Инструкция на Мультизональные VRF системы Toshiba (сервис-мануалы) бренда Toshiba

Contents Original instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 New Refrigerant (R410A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1 Wiring Diagrams . . . . . . . . . . . . .…

4-1. Normal Operation (COOL Mode / DEFROST Mode) - High Outside Air Temperature (Roughly 20 °C or Above) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 4-2. Normal Operation (COOL Mode) - Low Outside Air Temperature…

7-5. Troubleshooting in Test Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 7-5-1. A Check Code Is Displayed on the Remote Controller . . . . . . . . . . . . . . . . . . . . . . . . 139 7-5-2. Operation from the indoor remote controller is…

9-4. Cooling-Season Outdoor Unit Backup Operation Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 10 OUTDOOR UNIT REFRIGERANT RECOVERY METHOD . . . . . . . . . . . . . . . . . . . . 248 10-1. Refrigerant Recovery from Failed Outdoor Unit (Pump-Down) . . . . . . . . . . . . . .…

Original instruction Please read carefully through these instructions that contain important information which complies with the “Machinery” Directive (Directive 2006/42/EC), and ensure that you understand them. Some of the details provided in these instructions differ from the service manual, and…

Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed…

Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confirm that labels are indicated on the specified positions If removing the label during parts replace, stick it as the original. Warning indication WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote…

Precautions for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker for both the indoor and outdoor units to…

WARNING Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air conditioner by following its instructions. Only qualified service person (*1) is allowed to repair the air conditioner. Repair of the air conditioner by unqualified person may give…

When any of the electrical parts are to be replaced, ensure that the replacement parts satisfy the specifications given in the Service Manual (or use the parts contained on the parts list in the Service Manual). Use of any parts which do not satisfy the required specifications may give rise to…

Ventilation When the refrigerant gas leaks during work, execute ventilation. If the refrigerant gas touches to a fire, poisonous gas generates. A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs. Be sure to execute ventilation.…

Only a qualified installer (*1) or qualified service person (*1) is allowed to install the air conditioner. If the air conditioner is installed by an unqualified individual, a fire, electric shocks, injury, water leakage, noise and/or vibration may result. Before starting to install the air…

Declaration of Conformity Manufacturer: Toshiba Carrier Corporation 336 Tadehara, Fuji-shi, Shizuoka-ken 416-8521 JAPAN Authorized Representative/ TCF holder: Nick Ball Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd. Porsham Close, Belliver Industrial Estate, PLYMOUTH, Devon, PL6 7DB.…

Carrying in the Outdoor Unit CAUTION Handle the outdoor unit carefully, observing the following items. • When using a forklift or other machinery for loading/unloading in transportation, insert the prongs of the forklift into the rectangular holes for handling as shown below. • When lifting up the…

Weight centre and weight ◆ Weight centre of an outdoor unit (B) (A) Anchor bolt position 920 Y Anchor bolt position 755 Y Anchor bolt position 755 Anchor bolt position 700 X Z Z X No. Model type X (mm) Y (mm) Z (mm) Weight (kg) Heat pump model Cooling only model MAP080 (A) MAP100 MAP120 (B) MAP140…

Selection of Pipe Size Coupling size of brazed pipe Connected section External size Internal size G ØF ØC K (Unit: mm) Connected section Standard outer dia. of connected copper pipe External size Internal size Standard outer dia. (Allowable difference) C F Min. depth of insertion K +0.04 -0.02 Oval…

Adding refrigerant After finishing vacuuming, exchange the vacuum pump with a refrigerant canister and start additional charging of refrigerant. Calculation of additional refrigerant charge amount Refrigerant charge amount at shipment from the factory does not include the refrigerant for pipes at…

New Refrigerant (R410A) This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the…

4. Tools (1) Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types. 1) Tools exclusive for R410A (Those which cannot be used for…

1 Wiring Diagrams 1-1. Outdoor Unit Models: MMY-MAP0804∗, MAP1004∗, and MAP1204∗ 23 Toshiba

Models: MMY-MAP1404∗ and MAP1604∗ 24 Toshiba

1-2. Indoor Unit 1-2-1. 4-way Air Discharge Cassette Type Models: MMU-AP0092H, AP0122H, AP0152H, AP0182H, AP0242H, AP0272H, AP0302H, AP0362H, AP0482H, and AP0562H LM1 Flow Selector unit (Option) Control P.C. board (MCC-1431) CN02 (GRN) CN82 (BLU) CN334 (WHI) CN81 (BLK) Indoor unit Earth screw CN333…

1-2-2. Compact 4-way Cassette Type Models: MMU-AP0071MH, AP0091MH, AP0121MH, AP0151MH, and AP0181MH PMV TC1 TA FS TCJ TC2 CN82 (BLU) CN100 (BRW) CN34 (RED) CN104 CN102 CN101 (YEL) (RED) (BLK) CN333 (WHI) CN309 (YEL) 3 1 CN41 (BLU) BLK BLK 1 1 Motor drive circuit 3 3 CN40 (BLU) CN334 (WHI) U1 U2 CN68…

RED : RED

WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY PNK : PINK ORN : ORANGE BRW : BROWN GRN : GREEN Color indication WHI RED Power supply Single phase 220-240V 50Hz 220V 60Hz WHI CN304 (GRY) 2 1 Heater BLU RY004 Line Filter TR BLU BLU Outdoor unit U1 U2 CN1 (WHI) AI-NET central control…

Outdoor unit U1 U2 Wired remote controller A B BLK WHI BLK Adapter for wireless remote controller CN001(WHI) WHI Parts name Fan motor Indoor temp sensor Temp sensor Temp sensor Temp sensor Louver motor Drain pump motor Float switsh Drain control relay Pulse motor valve Transformer U1 U2 A B WHI…

220-240V 50Hz

220V 60Hz Closed end connector Flow selector unit earth screw Indoor unit Earth screw R(L) S(N) RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY PNK : PINK ORN : ORANGE BRW : BROWN GRN : GREEN Color indication 1 (BLK) CN044 1 (BRW) 2 Outdoor unit U1 U2 CN1 (WHI) Remote controller…

Outdoor unit U1 U2 WHI BLK BLK Adaputor for wired remote controller CN001 (WHI) Wired remote controller WHI CN50 (WHI) 5 5 FM X Y 1 2 CN03 1 2 (RED) Network adaptor P.C. board Network CN01 1 2 adaptor (WHI) 1 2 (Option) CN61 (YEL) Power supply circuit indicates the terminal number. indicates the…

Indoor unit

Earth screw Closed end connector WHI RED S(N) F CN067 (BLK) RY007 RC 43F1 3 5 43F1 GRY FM Remote controller CN1 (WHI) B U1 U2 A OC U1 U2 EMG 1 2 CN044 CN040 CN041 (BRW) (BLU) (BLU) Outdoor unit YEL Closed end connector Fuse T5.0A CN066 (WHI) RED RED 6 Flow selector unit earth screw TR RED RC L F4 F3…

49F

FM RC TR TA TC1,TC2,TC3 RY005~007 RY001 RY002 PMV F1~3 43F1,43F2 DM FS Symbol RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY PNK : PINK ORN : ORANGE BRW : BROWN GRN : GREEN RED WHI WHI R(L) S(N) RED Parts name Fan motor Running capacitor Transformer Indoor temp sensor Temp…

220-240V~, 50Hz

220V~, 60Hz Earth screw Earth screw Outdoor unit B CN40 (BLU) CN66 (WHI) P301 CN67 (BLK) Fuse T6.3A 250V~ CN304 (GRY) B FM CN41 (BLU) CN334 (WHI) RY302 Wired remote controller A A CN44 1 (BRW) BLK 1 1 WHI RED U1 U2 DM CN68 (BLU) 1 1 Drain pump type ("SPH" Type) U1 U2 R(L) S(N) Indoor unit RED WHI…

RED

Flow selector unit earth screw DM CN41 (BLU) BLK Adpter for wireless remote controller CN001 (WHI) BLK WHI BLK Wired remote controller WHI – + CN50 (WHI) CN1 (WHI) CN309 (YEL) ~ ~ indicates the terminal number. indicates the terminal block, letter at inside Option CN60 (WHI) DC20V DC15V DC12V DC7V…

220-240V 50Hz

220V 60Hz CN81 (BLK) F301 Fuse T3. 15A 250V~ Flow selector Unit (Sold sepalately) CN309 1 (YEL) 1 GRN & YEL 5 CN67 (BLK) WHI 3 3 RED : WHI GRN & YEL BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN & YELLOW GREEN WHI BRW YEL GRY PNK Heat exchanger GRN & YEL GRN RED : : : : : : : : : : HBS…

TR

CN066 (WHI) RED Closed-end connector WHI Power supply single phase 220-240V 50Hz 220V 60Hz R(L) S(N) Indoor unit earth screw WHI CN067 (BLK) RED FUSE (YEL) CN309 (GRY) CN304 CN040 (BLU) Outdoor unit U1 U2 U1 U2 B CN1 A H L X Y CN03(RED) CN02 (BLU) MCC-1401 LM Sub P.C. board MCC-1520 CN01 (WHI) CN02…

WHI

RC B Outdoor unit CN1 Remote Controller A X MCC-1401 CN03(RED) CN02 (BLU) CN03 (RED) CN041 (BLU) RY007 Indicates the terminal bolock. Letter at inside indicates the terminal number. 2. A dotted line and bro ken line indicate the wiring at side. 3. indicate the control p.c. board. 1. Y H L UL CN074 1…

220-240V 50Hz

220V 60Hz R(L) S(N) Closed-end connector P301 (BLK) FUSE (YEL) CN309 CN040 (BLU) (BLK) CN067 Outdoor unit U1 U2 U1 U2 B CN1 A H L MCC-1401 CN02 (YEL) TR CN01 (WHI) Sub P.C. board MCC-1520 CN061 (YEL) CN075 (WHI) CN030 (RED) FS OPTION Symbol FM RC TR LM TA TC1,TC2,TCJ RY001 RY002 RY005~007 PMV CN060…

1-2-16. Fresh Air Intake Indoor Unit for S-MMS Model: MMD-AP0481HFE WHI 8 43F1 7 (Option) RED TA TCJ TC2 TC1 TF CN030 (RED) FS CN104 (YEL) CN102 (RED) CN101 (BLK) CN100 (BRW) CN103 (GRN) DP Surge absorber Fan CN083 (WHI) 9 5 RY007 H BLK 3 M DP CN068 1 (BLU) 1 1 L LM CN033 (GRN) UL P301 RY004 RY006…

Models: MMD-AP0721HFE and MMD-AP0961HFE 8 WHI 43F1 7 RED Surge absorber (Option) 8 WHI 43F2 7 Surge absorber Fan CN083 (WHI) 9 RED RY007 H TC2 TC1 TF 3 M DP CN068 1 (BLU) 1 1 L LM CN033 (GRN) UL CN030 (RED) FS CN104 (YEL) CN102 (RED) CN101 (BLK) CN100 (BRW) CN103 (GRN) P301 RY004 1 3 TCJ DP 6 7 BLK…

2-5. Indoor Unit 4-way Air Discharge Cassette Type Model MMU-AP 0092H 0122H 0152H Fan motor 0182H 0242H 0272H SWF-230-60-2R Motor for horizontal grille MP24ZN3N Pulse motor EDM-MD12TF-3 Pulse motor valve EDM-B25YGTF-3 TA sensor EDM-B40YGTF-2 Lead wire length: 310mm Vinyl tube TC1 sensor Ø4 size lead…

1-way Air Discharge Cassette (Compact type) Type Model MMU-AP 0071YH 0091YH Fan motor AF-200-22-4N-1 Running capacitor for fan motor AC 400V, 1µF Drain pump motor PJD-05230TF-1 Float switch FS-0208-602 Control P.C. board transformer 0121YH TT-13 Pulse motor EDM-MD12TF-3 Pulse motor valve EDM-B25YGTF…

Concealed Duct High Static Pressure Type 0361H 0481H Fan motor Model MMD-AP STF-200-160-4B 0181H 0241H STF-200-160-4A 0271H STF-200-260-4C STF-200-260-4B Running condenser for fan motor AC 500V, 4µF AC 400V, 8µF AC 450V, 6µF AC 400V, 8µF Drain pump motor ADP-1409 Float switch FS-0218-102-6 Pulse…

Under Ceiling Type Model MMC-AP 0151H Fan motor 0181H 0241H SWF-280-60-1 0271H 0361H SWF-280-60-2 Driving motor for horizontal grille 0481H SWF-280-120-2 MP24GA1 Pulse motor EDM-MD12TF-3 Pulse motor valve EDM-B40YGTF EDM-B60YGTF-1 TA sensor Lead wire length: 155mm Vinyl tube TC1 sensor Ø4 size lead…

Floor Standing Type Model MMF-AP 0151H 0181H 0241H 0271H Fan motor AF-200-37R AF-200-63T Running condenser for fan motor AC500V, 3µF AC500V, 3.5µF 0361H 0561H AF-200-160H-1 AC500V, 4µF Transformer TT-13 Pulse motor EDM-MD12TF-3 Pulse motor valve 0481H AF-200-110M-1 EDM-B40YGTF EDM-B60YGTF-1 Driving…

Compressor 2

Compressor 1 Accumulator TD1 sensor SV41 valve TD2 sensor SV42 valve Front side High pressure SW 1 High pressure SW 2 TL sensor Check joint (Liquid pipe) High pressure sensor Check joint (High pressure) 4-way valve PMV (Pulse Motor Valve) TS sensor Check joint (Low pressure) Low pressure sensor TE1…

Compressor 1

Front side Check joint (High pressure) Check joint (Liquid pipe) TD3 sensor High pressure SW 3 4-way valve Accumulator SV3B valve SV3A valve SV2 valve Rear side TK3 sensor Fusible plug Liquid tank TK2 sensor TK1 sensor Accumulator SV3F valve SV3C valve TK4 sensor TK5 sensor TL sensor High pressure…

2-7. Parts Layout in Inverter Assembly Outdoor Unit (8, 10, 12HP) Model: MMY-MAP0804∗, MAP1004∗, MAP1204∗ Inverter P.C. board for fan [Fan IPDU] (MCC-1610) Interface P.C. board [Outdoor control P.C. board] (MCC-1606) Noise Filter P.C. board (MCC-1608) Power supply terminal block Relay connector for…

Outdoor Unit (14, 16HP) Model: MMY-MAP1404∗, MAP1604∗ Inverter P.C. board for fan [Fan IPDU] (MCC-1610) Interface P.C. board [Outdoor control P.C. board] (MCC-1606) Noise Filter P.C. board (MCC-1608) Power supply terminal block Relay connector for central control Communication terminal block Magnet…

2-8-2. Inverter P.C. board for compressor (MCC-1596) A3-IPDU Power supply input L2 CN02 Power supply input L1 CN01 Power supply input L3 CN03 Reactor connecting terminal CN09 Reactor connecting terminal CN10 Compressor output U-phase CN211 Compressor output V-phase CN212 Compressor output W-phase…

3 Refrigerant Piping Systematic Drawing Outdoor Unit (8, 10, 12HP) Model: MMY-MAP0804∗, MMY-MAP1004∗, MMY-MAP1204∗ Fan M Fan motor Right side (TO) Heat exchanger Left side Heat exchanger (TE1) SV (SV5) PMV1 Reducer 4-way valve PMV2 (TS1) Check valve High-pressure sensor Low-pressure sensor SV (TL)…

Outdoor Unit (14, 16HP) Model: MMY-MAP1404∗, MMY-MAP1604∗ Fan M Fan motor Right side (TO) Main heat exchanger PMV1 Sub heat exchanger at right side PMV2 Left side (TE1) PMV4 Main heat exchanger Check valve (TE2) Sub heat exchanger at left side Check valve 4-way valve High-pressure sensor (TS1) (SV6)…

Explanation of Functional Parts Functional part name Solenoid valve SV3A SV3B (Connector CN321: White) 1) Returns oil supplied in the balance pipe to the compressor. SV3C (Connector CN321: White) 1) Pressurizes oil reserved in the oil header during ON time. SV3D (Connector CN322: White) 1) Reserves…

Indoor Unit Liquid side Gas side Strainer Capillary tube Heat exchanger at indoor side Pulse Motor Valve (PMV) Sensor (TC2) Sensor (TCJ) Fan Sensor (TC1) Sensor (TA) M Fan motor CAUTION MMU-AP007YH, AP012YH type air conditioners have no TC2 sensor. Explanation of functional parts in indoor unit…

4-6. Refrigerant Recovery from Failed Outdoor Unit (Pump-Down Operation under Follower Outdoor Unit Backup Scenario) Failure Header unit (MMY-MAP1604*) Follower unit (MMY-MAP1204*) FM FM TO TO PMV1 PMV2 TE1 TE1 PMV4 SV TE2 SV5 PMV1 4-Way valve Pressure sensor (high pressure) PMV2 TS1 TS1 SV6 Liquid…

5 Control Outline Indoor Unit Control Specifications NO. Item Specification outline Remarks Upon power supply reset 1. Identification of outdoor unit When the power supply is reset, the outdoor unit is identified, and control is redirected according to the identification result. 2. Indoor fan…

NO. Item Fan speed control Specification outline 1. The fan operates in one of the four speed modes of “HIGH (HH)”, “MED (H)”, “LOW (L)” and “AUTO” on the basis of a command issued via the remote controller. (Concealed duct high static pressure type: HH only) 2. In AUTO fan speed mode, the air speed…

NO. Item Cold air discharge prevention control Specification outline Remarks 1. In heating operation, the upper limit of the fan tap is set according to the lower of whichever is the higher between TC2 sensor and TCJ sensor temperatures, on the one hand, and TC1 sensor temperature, on the other. •…

NO. Item Specification outline Remarks 8 Cooling oil While the outdoor unit is recovering cooling oil (refrigerant), the indoor units perform • Recovery operation normally takes place (refrigerant) the following control tasks: roughly every 2 hours. recovery control [common for operational (cooling…

NO. Item Specification outline Remarks “FILTER 1. The indoor fan’s cumulative hours of operation are counted, and when these Filter sign exceed the prescribed value (150H/2500H), a filter replacement signal is sent to display the remote controller to display a filter sign on it. (not applicable to…

NO. Item Selection of central control mode Specification outline Remarks 1. The range of operations that can be performed via an indoor unit remote controller • In the case of a wired remote controller, can be determined through the setting of the central controller. “CENTRAL 2. Setting details…

Outdoor Unit Item Description of operation, numerical data, and other information Remarks 1. Pulse motor valve (PMV) control 1. PMV1, 2 control (PMV1 and 2) 1) During air conditioner operation, the pulse count of a PMV (pulse motor valve) is controlled between 90 and 1000. 2) During cooling, the…

Item Description of operation, numerical data, and other information 2. Outdoor fan control 1. Cooling fan control 1) Outdoor fan speed (mode) is controlled on the basis of measurements provided by the Pd pressure sensor. 2) For a specified period after the start of cooling operation, the header…

Item 5. Oil equation control Description of operation, numerical data, and other information Remarks This control function is aimed at preventing compressors from running out of oil by evening out the oil supply to outdoor units, and is basically performed by opening/ closing solenoid valves SV3A…

Item 7. Defrosting control (reverse defrosting method) Description of operation, numerical data, and other information Remarks • Frost formation temperature 1. Defrosting commencement conditions is -1.5 °C. • During heating operation, the cumulative duration of operation in which TE1 sensor • If the…

Item Description of operation, numerical data, and other information 8. Release valve control 1. SV2 gas balance control This control function is aimed at achieving gas balance by opening SV2 while compressors are turned off so as to reduce their startup load the next time they are turned on. It is…

Item Description of operation, numerical data, and other information 8. Release valve control (cont’d) 4. SV41, 42, 43 low pressure release control This control function is aimed at providing low pressure protection, and is individually performed by the header unit and each follower unit. The…

Item 11. A3-IPDU control Description of operation, numerical data, and other information Remarks IPDU controls inverter compressors by issuing commands relating to compressor speeds, speed increases/decreases, and current release control values via the interface P.C. board. The main control…

<Other points to note> 1 Cooling operation under low outside temperature conditions 1) If pressure falls to extremely low levels, indoor units may be shut down via freeze prevention control based on the indoor TC sensor. 2) If pressure falls to extremely low levels, frequency may be reduced via…

Central

control remote controller (optional) Y X Transformer Indoor fan motor Drain pump ×4 Louver motor PMV Switch setting MCU Power supply circuit DC5V AI-NET communication circuit Network adaptor P.C. Remote controller communication board circuit (MCC-1401) Network adaptor (optional) Indoor unit #1 DC…

Central

control remote controller (optional) Y X Louver motor PMV Indoor fan motor Drain pump Power supply circuit CPU A CPU H8/3039 Remote controller communication circuit B *3 CN2 CN1 U2 Indoor/outdoor communication U2 Outdoor unit U1 N U1 Power source 1Ø 220-240V, 50Hz 1Ø 220V, 60Hz L HA Float input TCJ…

Central

control remote controller (optional) Y X CPU H8/3687 Louver motor PMV Indoor fan motor * Not applicable to concealed duct high static pressure type Drain pump * 1-way Type only Transformer Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C. Remote controller…

Central

control remote controller (optional) Y X MCU Transformer Indoor fan motor Drain pump ×4 Louver motor PMV Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C. Remote controller communication board circuit (MCC-1401) Network adaptor (optional) Indoor unit #1 DC…

Central

control remote controller (optional) Y X CPU H8/3687 Louver motor PMV Indoor fan motor Drain pump * Not applicable to concealed duct standard type Slim Duct Type Transformer Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C. Remote controller communication…

Central

control remote controller (optional) Y X CPU H8/3687 Louver motor PMV Indoor fan motor * Not applicable to concealed duct high static pressure type Drain pump * 1-way Type only Transformer Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C. Remote controller…

Y

X (In case of AI-NETWORK) Central control remote controller (optional) MCU Transformer Indoor fan motor Drain pump ×4 Louver motor PMV Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C. Remote controller communication board circuit (MCC-1401) Network adaptor…

Y

X (In case of AI-NETWORK) Central control remote controller (optional) CPU H8/3687 Louver motor PMV Indoor fan motor Drain pump * Not applicable to concealed duct standard type Slim Duct Type Transformer Power supply circuit Switch setting DC5V AI-NET communication circuit Network adaptor P.C.…

Central

control X remote controller Y (optional) Louver motor PMV Indoor fan motor * Not applicable to concealed duct high static pressure type Drain pump * 1-way Type only Transformer Switch setting CPU H8/3687 Power supply circuit DC5V AI-NET communication circuit Network adaptor P.C. Remote controller…

External error input

Fan output

Flap Float SW DC fan return PMV output DC fan output CHK (Used for servicing) TA sensor HA(T10) Optional output Microcomputer operation LED DISP (Used for servicing) EXCT TCJ sensor Filter/optional error input TC2 sensor TCI sensor External error input EEPROM Drain pump output Remote controller…

Optional

power supply Drain pump output Louver Power supply transformer (primary side) Power supply AC fan output TA sensor Filter/optional error input EXCT Power supply transformer (secondary side) (AC 11, 14, 20V) * Short plug inserted in concealed duct TCJ sensor TC2 sensor EEPROM PMV output External…

CN70

CN71 CN72 CN73 FILTER Optional error CHK Operation check DISP Display mode EXCT Demand CN60 Optional output CN80 CN61 HA External error input CN32 Demand input 0V 0V Display mode input 0V Check mode input 0V "FILTER/optional/humidifier setting" input Start/stop input 0V(COM) Remote controller…

6-4. Test Operation of Indoor Unit ▼ Check function for operation of indoor unit (Functions at indoor unit side) This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit. This function can be used regardless of…

6-5. Method to Set Indoor Unit Function DN Code (When performing this task, be sure to use a wired remote controller.) <Procedure> To be performed only when system at rest 1 Push the + least 4 seconds. + buttons simultaneously and hold for at The unit No. displayed first is the address of the header…

Function CODE No. (DN Code) Table (Includes All Functions Needed to Perform Applied Control on Site) DN Item Filter display delay timer 0000: None 0002: 2500H 0004: 10000H 0F 10 11 0001: 150H 0003: 5000H At shipment According to type Dirty state of filter 0000: Standard 0001: High degree of dirt…

DN Item High-ceiling adjustment (Air flow selection) Description At shipment 0000: Standard 1-way air discharge cassette (SH) Value Type AP015, AP018 AP024 0000 Standard (factory default) 3.5 m or less 3.8 m or less 0001 High-ceiling (1) 4.0 m or less 4.0 m or less 0003 High-ceiling (3) 4.2 m or…

Type DN code “10” Value 0000 Type 1-way Air Discharge Cassette Model MMU-AP∗∗∗SH 1 4-way Air Discharge Cassette MMU-AP∗∗∗H 0002 2-way Air Discharge Cassette MMU-AP∗∗∗WH 0003 1-way Air Discharge Cassette (Compact) MMU-AP∗∗∗YH 0004 Concealed Duct Standard MMD-AP∗∗∗BH 0005 Slim Duct MMD-AP∗∗∗SPH (SH)…

6-6. Applied Control of Indoor Unit Control system using remote control interface (TCB-IFCB4E2) Wiring and setting • In the case of group control, the control system functions as long as it is connected to one of the indoor units (control P.C. board) in the group. If it is desired to access the…

▼ Ventilating fan control from remote controller [Function] • The start/stop operation can be operated from the wired remote controller when air to air heat exchanger or ventilating fan is installed in the system. • The fan can be operated even if the indoor unit is not operating. • Use a fan which…

▼ Leaving-ON prevention control [Function] • This function controls the indoor units individually. It is connected with cable to the control P.C. board of the indoor unit. • In a group control, it is connected with cable to the indoor unit (Control P.C. board), and the CODE No. 2E is set to the…

6-7. Applied control for Outdoor Unit The outdoor fan high static pressure support and priority operation mode setting (cooling / heating / number of units / or priority indoor unit) functions are made available by setting relevant switches provided on the interface P.C. board of the outdoor unit.…

(2) High efficiency type Combination of outdoor units Maximum external static pressure (Pa) Combined horsepower output Model MMY- Unit 1 16 MAP1604∗ MAP1604∗ 24 AP2424∗ MAP1204∗ MAP1204∗ 50 26 AP2624∗ MAP1604∗ MAP1004∗ 40 28 AP2824∗ MAP1604∗ MAP1204∗ 40 30 AP3024∗ MAP1604∗ MAP1404∗ 40 32 AP3224∗…

(2) Indoor unit setup method for priority indoor unit mode The setting can be changed only when the system is at rest. (Be sure to turn off the system prior to this operation.) 1 Push the + + buttons simultaneously and hold for at least 4 seconds. The display window will start flashing in a little…

6-8. Applied Control of Outdoor Unit Optional control P.C. boards provide access to a range of functions as listed below. No. Function Outdoor unit for control P.C. board connection Control P.C. board to be used Outdoor unit interface P.C. board setting* PCDM4E PCMO4E PCIN4E Connector No. DIP SW No.…

6-8-1. Power peak-cut Control (Standard) L1: Display lamp suring power peak cut control Header outdoor unit Locally procured Optional PCB Display relay Outdoor unit interface PCB L1 TB1 [OPERATION] TB2 PJ17 COM [ON] ON COM [OFF] OFF CN513 SW07 ON OFF Bit 2 OFF Power supply Shield wire SW1 SW1 SW2…

<SW07 Bit 2 OFF (two-step control)> Power peak-cut control is enabled as long as SW1, as shown on the wiring diagram, is ON (continuously). Jumper wire J16 SW07 Bit 1 Input SW1 Cut Indicator relay Bit 1 OFF Bit 1 ON (L1) OFF 0% (forced stop) 60% capacity (upper limit regulated) OFF ON 100% (normal…

6-8-3. Snowfall Fan Control Header outdoor unit Locally procured Outdoor unit interface PCB Connection cable Optional PCB Snowfall sensor TB1 COM CN509 PJ17 COOL HEAT SW1 Shield wire SW1: Snowfall detection switch (snowfall sensor) Operation An external snowfall signal turns on the outdoor unit fan.…

6-8-5. Night operation (sound reduction) Control Header outdoor unit Locally procured Outdoor unit interface PCB Connection cable Optional PCB TB1 COM CN508 PJ17 COOL HEAT SW1 Shield wire SW1: Night time signal switch Operation This function decreases noise at night or other times as necessary.…

6-8-6. Operation Mode Selection Control Header outdoor unit Locally procured Outdoor unit interface PCB Connection cable Optional PCB TB1 COM CN510 COOL PJ17 SW1 HEAT SW2 Shield wire SW1: Cooling mode specified input switch SW2: Heating mode specified input switch NOTE SW1: COOL mode selection…

6-8-7. Error/Operation Output Locally procured Header outdoor unit (See “NOTE”) Outdoor unit interface PCB SW16 ON OFF C1 CN511 Optional PCB TB1 K1 PJ20 K2 1 OUTPUT1 2 3 OUTPUT2 4 5 OUTPUT3 6 L1 PS L2 PS Shield wire Operation In-operation output: An in-operation indication signal is output as long…

6-8-8. Compressor Operation Output Locally procured Outdoor unit Outdoor unit interface PCB TB1 C2 K1 SW16 PJ20 CN514 ON OFF (See “NOTE”) Optional PCB K2 K3 CTR1 1 OUTPUT1 2 3 OUTPUT2 4 5 OUTPUT3 6 CTR2 CTR3 L1 PS L2 PS L3 PS Shield wire Operation When a compressor is in operation, a relay connected…

6-8-9. Operating Rate Output Locally procured Header outdoor unit TB1 C2 K1 SW16 K2 PJ20 CN514 ON OFF (See “NOTE”) Optional PCB Outdoor unit interface PCB K3 1 OUTPUT1 2 3 OUTPUT2 4 5 OUTPUT3 6 MONITOR Shield wire Operation At the output terminals, a signal is present (relay closed) or absent (relay…

7 TEST OPERATION 7-1. Procedure and Summary of Test Operation A test operation is executed with the following procedure. When problems or an error occurs at any step, remove the causes of the problem or error referring to “8 TROUBLESHOOTING.” Checks before test operation Check that the main power…

7-2. Check Items before Test Operation (before poweringon) Prior to the test operation, check the following items to verify there are no problems with the installation work. Main check items for electric wiring The communication system differs from that of R22 or R407 refrigerant “Modular Multi…

(2) In the case that a central control system is connected (before address setup) (1) (4) Central remote controller U1 U2 U3 U4 (2) (5) (3) To other refrigerant line Other refrigerant line U3 Header unit (A) U4 Follower unit (B) U3 U4 U3 Follower unit (C) U3 U4 U4 Outdoor unit U1 U2 U5 U6 U1 U2 U5…

Checklist 1 • Using Checklist 1, check that there are no problems with the installation work. Is the capacity of the circuit breaker (Earth leakage breaker) appropriate? Outdoor total capacity A Is the gauge of the power cable correct? Is the control communication line correct? Header unit (A) A…

7-3. Check at Main Power-on After turning on the main power of the indoor units and outdoor unit in the refrigerant line to conduct a test operation, check the following items in each outdoor and indoor unit. (After turning on the main power, be sure to check in order: indoor unit ➝ outdoor unit.)…

7-4. Address Setup This product requires address setup before operation. Follow this procedure for address setup. 7-4-1. Precautions (1) Address setup is not performed simply by turning on the power supply. (2) For indoor units, address setup can be done either by manual address setup or by…

7-4-3. Address Setup Procedure No central control: Central control of 2 or more refrigerant lines: go to Address setting procedure 1 go to Address setting procedure 2 (Example) When controlling a single refrigerant line centrally When controlling 2 or more refrigerant lines centrally Address setting…

2 Be sure to disconnect the relay connectors between the [U1U2] and [U3U4] terminals on all the header outdoor units that will be connected to the central control. (Factory default: disconnected) 2 U1 U2 U3 U4 TO CENTRAL CONTROL LER TO INDOOR UNIT U5 U6 TO OUTDOOR UNIT 3 4 Turn on indoor units…

10 Set the central control address. (For the setting of the central control address, refer to the installation manuals of the central control devices.) Header unit interface P.C. board SW15 SW04 SW05 7-segment display SW13 1 2 D600 D601 D602 D603 D604 SW14 SW01 SW02 SW03 SW30 * Header units are…

Switch setting (setting example when controlling 2 or more refrigerant lines centrally) Outdoor units (setting manually) *The items in bold font must be set manually. Outdoor unit’s interface P.C. board Header unit Follower unit Header unit Follower unit Header unit Factory default SW13, 14 (Line…

Manual address setup from the remote controller With indoor wiring work completed and outdoor wiring work not done—in cases where indoor unit addresses are decided in advance from the wired remote controller, or in cases where addresses are change after address setup. (Wiring example for 2…

NOTE (1) When setting the line address from the remote controller, do not use addresses 29 and 30. Addresses 29 and 30 cannot be set up on the outdoor unit. If they are incorrectly used, the code “E04” (indoor/outdoor communication circuit error) is output. (2) When manual address setup has been…

To find an indoor unit’s position from its address ▼ When checking unit numbers controlled as a group CODE No. SET DATA SETTING UNIT No. R.C. No. TEMP. 3 Stop ON / OFF TIMER SET 1 TIME FILTER RESET TEST SET CL 2 1 (Execute it while the units are stopped.) The indoor unit numbers in a group are…

1 Push and hold the TIME and At first, the line 1 and CODE No. an outdoor unit.) 2 3 Push the Push the UNIT LOUVER buttons at the same time for more than 4 seconds. (Address Change) are indicated on the LCD display. (Select SWING/FIX (left side of the button) and buttons repeatedly to select a…

4 Push the TIME / to that you want. 5 6 Push the Push the change. buttons repeatedly to change the value indicated in the SET DATA section button. UNIT LOUVER button (left side of the button) repeatedly to select another indoor UNIT No. to Repeat steps 4 to 6 to change the indoor unit addresses so…

3 Push the button. • The address of one of the indoor units connected to the selected refrigerant line is indicated on the LCD display and the fan and louvers of the unit are activated. At first, the current indoor unit address is displayed in SET DATA. (No system address is indicated.) CODE No. SET…

2) Turn on dip switch 2 of SW30 on the interface P.C. board of the header outdoor unit if the switch is OFF. (Leave it as it is if it has already been set to ON.) Central remote controller Header unit Header unit Follower unit U3 U4 U1 U2 U3 U4 U5 U6 U1 U2 U1 U2 U1 U2 U5 U6 Header unit Follower unit…

In the case of an increase in address-undefined indoor units (extension, etc.) To set up the indoor address of a unit with an address that is undefined due to the extension of indoor units or replacement of PC board, etc., follow the methods below. Method 1 Set up an address individually from a…

7-4-4. Check after Address Setup when Central Control System Is Connected When the central control system is connected, check that the following setup has finished after address setup. (4) (1) U1 U2 U3 U4 (5) (3) (2) Central remote controller To other refrigerant line Line address = 2 Other…

7-5. Troubleshooting in Test Operation If there are phenomena such as the output of a check code or the remote controller is not accepted when poweredon after wiring work or during address setup operation, the following causes are considered. 7-5-1. A Check Code Is Displayed on the Remote Controller…

7-5-2. Operation from the indoor remote controller is not accepted, and a check code is displayed on the 7-segment display of the interface PC board of the header unit. Indoor remote Header unit controller 7-segment status display L08 E19 ⇔ -00 Alternate blinking Cause Countermeasures Line addresses…

7-5-4. In checking the number of connected outdoor units and connected indoor units after address setup, a lower number of connected units is displayed. (There are outdoor/indoor units that do not operate in a test operation.) Status Cause Countermeasures The number of connected outdoor units is too…

7-6. Test Operation Check 7-6-1. Fan Check START Check code appears Push the Start/Stop button on the remote controller. Check code appears Select the " Fan" operating mode. Is air discharged from the discharge port of the indoor unit? When a check code has been displayed on the remote controller…

7-6-2. Cooling/Heating Test Operation Check The cooling/heating test operation check can be performed on both the indoor remote controller and the outdoor header unit interface PC board. (1) Test operation start/stop operation Test operation from the indoor remote controller • Wired remote…

▼ Wireless remote controller (4-way Air Discharge Cassette type) ▼ Wireless remote controller (Under Ceiling type) Procedure Operation content Procedure 1 Turn off the air conditioner’s power. Remove the adjustment corner cap attached to the sensor section from the ceiling panel. For removing…

(2) Test operation Test operation for every indoor unit in turn START Test operation for one indoor unit Refer to "Test operation procedure" of the indoor remote controller. Operation starts The operation does not start for approximately 3 minutes after powering-on or stopping operation. Note: After…

Note 1: Criteria for the difference between suction and discharge temperatures (1) Cooling operation After operating for a minimum of 30 minutes in “COOL” mode, if the ΔT dry bulb temperature difference between suction and discharge air of the indoor unit is 8°C or more, it is normal. (2) Heating…

7-7. Service Support Function 7-7-1. Check Function for Connecting of Refrigerant and Control Lines This function is provided to check misconnection of the refrigerant pipes and the control transmission line (Wiring over lines) between indoor unit and outdoor unit by using the switch on the…

A Operation start Press the push-switch SW04 on the interface P.C. board of the header unit for 2 seconds or more. The operation starts. Check that 7-segment display [B] shows [ CC] for cooling and [ HH] for heating. Cooling [ C ] [ CC ] Heating [ H ] [ HH ] Confirmation of check results (1) Check…

7-7-2. Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit The following functions of the indoor unit can start or stop by the switches on the interface P.C. board of the header unit. No Function Outline Setup/Release Cooling test operation Changes the mode of all the connected indoor…

(1) Cooling test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for the cooling test operation mode, by using switches on the interface board of the header unit. <Operation procedure> Power ON Be sure to turn on power…

(2) Heating test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for the heating test operation mode, by using switches on the interface board of the header unit. <Operation procedure> 0 Power ON Be sure to turn on…

(3) Batch start/stop (ON/OFF) function This function is provided to start/stop collectively all the indoor units connected to the same system by using switches on the interface board of the header unit. <Operation procedure> 0 Power ON Be sure to turn on power at the indoor side before power-ON of…

(4) Individual start/stop (ON/OFF) individual test operation function This function is provided to start/stop (ON/OFF) individually each indoor unit connected to the same system by using switches on the interface board of the header unit. Set SW01 [16] and set SW02, SW03 to indoor address No. (1 to…

7-7-3. Error Clearing Function (1)Clearing from the main remote controller ▼ Error clearing in outdoor unit Error of the outdoor unit currently detected is cleared by the unit of one refrigerant circuit system to which the indoor units operated by the remote controller is connected. (Error of the…

(2)Clearing error by using switches on the interface board of the header unit Using the switches on the interface P.C. board of the header unit, this function is to clear the currently detected error for each refrigerant circuit system without resetting the power supply. Errors in both outdoor and…

7-7-4. Remote Controller Distinction Function This function is provided to distinguish the remote controller connected to the indoor unit from the outdoor unit for a refrigerant circuit system by using switches on the interface P.C. board of the header unit. <Distinction procedure> Power ON Be sure…

7-7-5. Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit This function is provided to open or close forcedly PMV for 2 minutes in all the indoor units by the switch operation on the interface P.C. board of the header unit. This function is also used to open PMV fully when turning off…

7-7-8. Fan Operation Check in Outdoor Unit This function is provided to check the fan operation of the outdoor unit by using switches on the interface P.C. board in the outdoor unit. The frequency of the fan speed can be controlled by setting of the switches. Use this function to check the operation…

7-7-9. Abnormal Outdoor Unit Discrimination Method By Fan Operating Function This function is provided to forcedly operate the fan of the outdoor unit in which an error occurred or the fan of the normal outdoor unit by the switch operation on the interface P.C. board in the header unit. To specify…

7-7-10. Manual Adjustment Function of Outside Temperature (TO) Sensor This function is provided to fix TO sensor value manually by the switch operation on the interface P.C. board in the outdoor unit. When the unit stops abnormally due to TO sensor failure, etc, an emergent operation is available by…

<Service support function list> SW01 2 SW02 7-segment display [A] Function contents 1 [J . C] Refrigerant circuit and control communication line check function (Cooling operation) 2 [J . H] Refrigerant circuit and control communication line check function (Heating operation) 3 [P . ] Indoor PMV…

7-7-11. Monitor Function of Remote Controller Switch When using a remote controller with the model name RBC-AMT32E, the following monitor functions can be used. Calling of display screen <Content> The sensor temperature or operation status of the remote controller, indoor unit, or the outdoor unit…

CODE No. °C Remote controller display example Room temperature (During control) ×1 Room temperature (Remote controller) ×1 °C 02 Indoor suction temperature (TA) ×1 °C 03 Indoor coil temperature (TCJ) ×1 °C 04 Indoor coil temperature (TC2) ×1 °C 05 Indoor coil temperature (TC1) ×1 °C 06 Indoor…

8 TROUBLESHOOTING 8-1. Overview (1) Before engaging in troubleshooting (a) Applicable models All Super Module Multi (SMMS-i) models. (Indoor units: MMO-APOOO, Outdoor units: MMY-MAPOOO4∗) (b) Tools and measuring devices required • Screwdrivers (Philips, flat head), spanners, long-nose pliers…

8-2. Troubleshooting Method The remote controllers (main remote controller and central control remote controller) and the interface P.C. board of an outdoor unit are provided with an LCD display (remote controller) or a 7-segment display (outdoor interface P.C. board) to display operational status.…

(Error detected by main remote controller) Check code Display of receiving unit AI-NET central Outdoor 7-segment display Indicator light block Main control display (with use of remote Operation Timer Ready Flash Sub-code network controller adaptor) Typical fault site Description of error Signals…

List of Check Codes (Outdoor Unit) IPDU: Intelligent Power Drive Unit (Inverter P.C. board) : Lighting, : Flashing, : Goes off ALT.: Flashing is alternately when there are two flashing LED SIM: Simultaneous flashing when there are two flashing LED (Errors detected by SMMS-i outdoor interface…

Display of receiving unit Check code Outdoor 7-segment display Sub-code TCC-LINK central control or main remote controller display Indicator light block Operation Timer Ready Typical fault site Description of error Flash F12 – F12 Outdoor suction Outdoor suction temperature sensor (TS1) has ALT…

Display of receiving unit Check code Outdoor 7-segment display TCC-LINK central control or main remote controller display Sub-code L29 Operation Timer Ready Typical fault site Description of error Flash A3-IPDU Fan IPDU A3-IPDU Fan IPDU 01 O 02 O 03 O O 04 O O 05 O 06 O O 07 O O O 08 09 O Indicator…

(Errors detected by IPDU featuring in SMMS-i standard outdoor unit - typical examples) Check code Outdoor 7-segment display Sub-code Display of receiving unit TCC-LINK central control or main remote controller display Indicator light block Operation Timer Ready Typical fault site Description of…

8-3. Troubleshooting Based on Information Displayed on Remote Controller Using main remote controller (RBC-AMT32E) (1) Checking and testing When a fault occurs to an air conditioner, a check code and indoor unit No. are displayed on the display window of the remote controller. Check codes are only…

Using TCC-LINK central control remote controller (TCB-SC642TLE2) (1) Checking and testing When a fault occurs to an air conditioner, a Display of Unit No. check code and indoor unit No. are displayed UNIT No. on the display window of the remote controller. Check codes are only displayed while the…

Using indoor unit indicators (receiving unit light block) (wireless type) To identify the check code, check the 7-segment display on the header unit. To check for check codes not displayed on the 7-segment display, consult the “List of Check Codes (Indoor Unit)” in “8-2. Troubleshooting Method”.…

Light block Operation Timer Ready Alternate blinking Operation Timer Ready Alternate blinking Operation Timer Check code Cause of fault F01 Heat exchanger temperature sensor (TCJ) error F02 Heat exchanger temperature sensor (TC2) error F03 Heat exchanger temperature sensor (TC1) error F10 Ambient…

Light block Operation Timer Check code Cause of fault Ready F31 Outdoor EEPROM error Synchronized blinking Other (indications not involving check code) Light block Operation Timer Check code Cause of fault Ready – Test run in progress – Setting incompatibility (automatic cooling/heating setting for…

8-4. Check Codes Displayed on Remote Controller and SMMS-i Outdoor Unit (7-Segment Display on I/F Board) and Locations to Be Checked For other types of outdoor units, refer to their own service manuals. Check code Main remote controller E01 E02 E03 E04 Outdoor 7-segment display AI-NET central Check…

Check code Main remote controller Outdoor 7-segment display AI-NET central Check code Sub-code control remote controller Duplicated indoor address E08 E08 96 E09 – – 99 E10 – – CF E12 E15 E12 E15 01: Indoor-outdoor communication 02: Outdooroutdoor communication – E16 Description System status Error…

Check code Main remote controller E18 E19 E20 Outdoor 7-segment display AI-NET central Check code Sub-code – – E19 00: No header unit 02: Two or more header units E20 01: Connection of outdoor unit from other line 02: Connection of indoor unit from other line control remote controller 15 E25 E25…

Check code Main remote controller E31 Outdoor 7-segment display Check code E31 Sub-code A3-IPDU Fan IPDU 01 O O 02 03 O O O 04 O 05 O O O 06 07 O O O O 08 O 09 O O O 0A O 0B O O O O 0C O O 0D O O O O 0E 0F O O O O AI-NET central control remote controller Location of detection Description System…

Check code Main remote controller F08 F10 F11 F12 F13 F15 F16 F22 F23 F24 Outdoor 7-segment display Check code F08 – – Sub-code – – – F13 01: Compressor 1 side 02: Compressor 2 side 03: Compressor 3 side F16 F22 F23 F24 Location of detection – – System status Description – Check items (locations) TO…

Check code Outdoor 7-segment display Check code Sub-code AI-NET central control remote controller F29 – – 12 F31 F31 – 1C Main remote controller H01 H01 01: Compressor 1 side 02: Compressor 2 side 03: Compressor 3 side H03 H05 H06 H02 H03 H05 H06 Description Indoor unit Other indoor error Stop of…

Check code Main remote controller H07 Outdoor 7-segment display AI-NET central Check code H07 Sub-code – control remote controller H08 H15 System status Error detection condition(s) Check items (locations) I/F Low oil level protection All stop Operating compressor <All outdoor units in detects…

Check code Main remote controller Outdoor 7-segment display AI-NET central Check code Sub-code control remote controller 01: TK1 oil circuit error 02: TK2 oil circuit error 03: TK3 oil circuit error 04: TK4 oil circuit error 05: TK5 oil circuit error H16 H16 Location of detection I/F H25 Oil level…

Check code Main remote controller Outdoor 7-segment display AI-NET central Check code Sub-code control remote controller L03 – – 96 L04 L04 – 96 L05 – – L07 L06 – L08 – 99 L09 – – 46 L10 L10 – 88 L28 – L28 Indoor unit Duplicated indoor header unit Stop of corresponding unit There is more than one…

Check code Main remote controller Outdoor 7-segment display AI-NET central Check code Sub-code control remote controller 01: Compressor 1 side 02: Compressor 2 side 03: Compressor 3 side P04 P04 P05 01: Compressor 1 side 02: Compressor 2 side 03: Compressor 3 side P07 P12 – Check items (locations)…

Check code Main remote controller P13 Outdoor 7-segment display AI-NET central Check code P13 Sub-code – control remote controller Location of detection Description System status Outdoor liquid backflow detection error All stop <During cooling operation> When system is in cooling operation, high…

Check code Main remote controller Outdoor 7-segment display AI-NET central Check code Sub-code control remote controller Detected outdoor unit No. P19 P20 P19 P20 Location of detection Description System status Error detection condition(s) I/F 4-way valve reversing error All stop Abnormal…

Check code Main remote controller P22 P26 Outdoor 7-segment display Check code P22 P26 Sub-code 0∗: IGBT circuit 1∗: Position detection circuit error 3∗: Motor lockup error 4∗: Motor current detection C∗: TH sensor temperature error D∗: TH sensor error E∗: Inverter DC voltage error (outdoor fan)…

Errors Detected by TCC-LINK Central Control Device Check code Main remote controller C05 Outdoor 7-segment display AI-NET central Sub-code – control remote controller – C06 – – C12 – – Differs according to nature of alarm-causing error Location of detection Description TCC-LINK TCC-LINK central…

▼ Points to Note When Servicing Compressor (1) When checking the outputs of inverters, remove the wiring from all the compressors. ▼ How to Check Inverter Output (1) Turn off the power supply. (2) Remove compressor leads from the IPDU P.C. board (A3-IPDU). (Be sure to remove all the leads.) (3) Turn…

Cause

Unable to send signals to indoor units Check code name Communication error between the indoor unit and remote controller (detected on the indoor unit) No No communication from the remote controller/communication adapter Cause Connect the wiring properly. The error is detected when the indoor unit…

Decreased number of indoor units

Check indoor P.C. board. Defect ➝ Replace No Is there no noise, etc? No Did a power failure occur? Yes Is power of indoor unit turned on? Yes Is connection of CN01 connector on outdoor I/F P.C. board normal? Yes Is connection of CN40 connector on indoor P.C. board normal? No Is there no…

Duplicated indoor addresses

Cause Indoor addresses are duplicated. Set up indoor address again. Yes Is indoor unit quantity connected to outdoor unit correct? No Is not communication line connected to the different outdoor unit? Yes Is wire connection to communication line normal? No Yes No Correct communication line. Correct…

Set up address again after

resetting power supply. No Is there no noise source? No Did a power failure occur? No Is there any connection error of power wire? Yes Check code name Yes Yes Yes No No No No corresponding indoor unit during automatic address Is connection of CN01 connector on I/F P.C. board of header outdoor unit…

Are powers of all indoor

units turned on? Yes Is group control operation executed? No Is there any disconnection of connector or wiring from terminal block of indoor unit? Yes Check code name No No Yes No Correct indoor address. Check indoor P.C. board. Failure ➝ Replace Check power connection status of indoor unit. (Turn…

Defect ➝ Replace No Is there no noise source, etc? No Did power failure occur? Yes Is the end terminal resistance between outdoor units turned on? (SW30 Bit 1) No Is not main power of outdoor unit turned off? Yes Is connection of CN03 connector on outdoor I/F P.C. board normal? No Check code name…

O

O O O O O O O A3-IPDU 2 3 O O Fan IPDU Yes Is there voltage deflection between 3 and 5 pin of CN600 on I/F P.C. board? (Measurement with tester: DC0 to 5V, 5 pins GND) Yes Is there voltage deflection between 4 and 5 pin of CN600 on I/F P.C. board? (Measurement with tester: DC 0 to 5V, 5 pins GND) No…

Replace TC1 sensor

Correct connection of connector. Check code name TD1 sensor error Cause TD1 sensor Open/Short TD2 sensor error Check code name TD2 sensor Open/Short Cause Check code name TE1 sensor error Cause TE1 sensor Open/Short This error code means detection of Open/Short of TE1 sensor. Check disconnection of…

Cause

Correct connection of connectors. Correct connection of connectors. Correct installed positions of TE1 sensor and TL sensor. 1. Misinstallation and misconnection of TE1 sensor and TL sensor 2. Resistance characteristics error of TE1 sensor and TL sensor 3. Outdoor P.C. board (I/F) error * See…

Check 4-way valve

Yes Is not refrigerant bypassed from discharge to suction of 4-way valve? Check code name Pd sensor error No Cause Check compressor. Sensor error ➝ Replace Correct connection of connector. Output voltage error of Pd sensor No (1) Pressure (Check joint) by pressure gauge (2) Pressure display on…

Cause

U V W Correct cause of overload. Details of compressor power connecting section 1. Check resistance between windings: It is normal if there are 0.1Ω to 0.4Ω. 2. Check insulation between outdoor cabinet and terminal: It is normal if there are 10MΩ or more. Compressor error (Motor burning, etc.)…

Check IPDU P.C. board

Yes Wiring or connector connection on IPDU P.C. board normal? Sub-code: 01: Compressor 1, 02: Compressor 2, 03: Compressor 3 No Current detective circuit system (AI-NET) error [H03] / [17] Cause Correct connector connection or wiring. 1. Wiring or connector connection error on A3-IPDU P.C. board 2.…

Is there

clogging of outdoor heat exchanger? Is outdoor PMV normal? Yes No Yes Cleaning Cleaning Exchange low-pressure sensor. Open service valves fully. Refrigerant shortage, clogging, pipe deformed No Repair faulty parts. Correct wiring. Correct SV2 and SV4 circuits. No Yes No Repair faulty parts. Replace…

• While outdoor unit is operated, set up SW01/02/03 = [2] [1] [3] (7-segment display [Hr] [... ...]), and push SW04 for 2 seconds or more. • Set up SW02 = [8], and turn on SV3C, SV3E, SV3F valves. (7-segment display [Hr] [... 3 C]) • While outdoor units are operating, check temperature change at…

(8) (2) (7) (6) Check valve (SV3E) (TK5) Distributor Check valve SV3C (TK1) 3 Compressor 1 (Inverter) (TD1) Check valve High-pressure SW Oil separator SV SV (SV3D) Check valve SV SV High-pressure sensor SV MMY-MAP0804∗ MMY-MAP1004∗ MMY-MAP1204∗ 2 (Inverter) SV Oil header (TK2) Check valve SV (SV42)…

Cause

TK1 to TK5 sensor Open/Short Connector CN531 (Black) CN532 (Green) CN533 (Pink) CN534 (Yellow) CN535 (Red) Check code name Check I/F P.C. board No error Check the clogging of SV3E valve. (Note 1) No error Cause No Yes Yes (Note 1) Refer to the article of the check code [H07]. Error Compressor 1…

No error Check the clogging of SV3E valve. (Note 1) No error No Yes Yes Cause Compressor 2 (Note 1) Refer to the article of the check code [H07]. Error TK2 Capillary Strainer Error Replace SV3E valve. Replace clogging part. Sensor error Correct miswiring/misinstallation. TK1: CN531, black TK2…

No error Check the clogging of SV3E valve. (Note 1) Error Error (Note 1) Refer to the article of the check code [H07]. Start a test operation in COOL or HEAT mode. ↓ Display TK4 sensor temperature on 7-segment display with SW01/02/03=[1] [15] [2]. ↓ Check TK4 sensor temp approx. 10 minutes after…

Yes Are resistance characteristics of TD3 sensor normal? No Is there no miswiring or misinstallation on TD1/TD2/ TD3 sensors? Yes Is TD3 sensor installed correctly? No Yes No Outdoor discharge temperature (AI-NET) sensor (TD3) misconnection [H25] / [B2] Cause Sensor error ➝ Replace the sensor.…

Duplicated indoor units with priority

(Displayed on the indoor units other than (AI-NET) ones with priority and on the outdoor unit) Check code Cause Two or more indoor units with priority are duplicated. Check code name Check indoor P.C. board. Failure ➝ Replace No Is there group cabling? Yes No There is individual indoor unit. Cause…

Cause

An SMMS-i outdoor unit (SMMS4 series unit) and an outdoor unit of SMMS3 series or older are connected. Yes Check I/F P.C. board. Yes Is the communication line between outdoor units correctly connected? Yes Check code name No No Quantity over of connected outdoor units Is the number of the connected…

Indoor fan motor error

(A)

No Is there any interference of heatexchanging of outdoor unit? 1. Heat exchanger clogging 2. Air short circuit No Is outdoor PMV normal? 1. Connector connection 2. Cabling 3. Coil 4. Valve body 5. Outdoor I/F P.C. board Yes Does cooling outdoor fan normally operate? (B) Cooling operation Are…

Phase error detected, power

failure detected, abnormal inverter (AI-NET) DC voltage (on compressor) Check code Cause Phase error or power failure of the power supply to the outdoor unit Check A3-IPDU P.C. board. No Is there no clogging of heat sink cooling duct? No Are screws fixing A3-IPDU and heat sink loosened? Yes Is…

Is there

connection error or disconnection on connector CN333, CN334 of indoor P.C. board (MCC-1402)? Yes No Replace indoor fan motor. Correct connector connection. Yes Is output of indoor fan motor position detective signal correct? *3 Yes CN333 CN334 *3 Check fan motor position detective signal. • Measure…

Refrigerant shortage,

clogging, pipe breakage. Yes Is there any leakage on SV41, 42 and 43 valve circuits? No Does discharge refrigerant gas bypass to suction side through 4-way valve? Yes Are characteristics of TS1 sensor resistance normal? Yes Is outdoor PMV normal? 1. Connector connection 2. Wiring 3. Coil 4. Valve…

Refrigerant shortage,

clogging, pipe breakage No Are indoor units of a different refrigerant line connected? Yes SV4 circuit 1. Are SV41, SV42 and SV43 valve coils installed correctly? 2. Is SV42 circuit sealed correctly (no leakage)? No Does discharge refrigerant gas bypass to suction side through 4-way valve? Yes Are…

4-way valve error

No Does 4-way valve operate? Reset the power supply and start heating test operation. Are TS1, TE1 and TL sensor connectors connected normally? Yes Are characteristics of resistance value of TS1, TE1 and TL sensors normal? Yes Are output voltage characteristics of Pd and Ps sensors normal? Yes Is…

Refrigerant overcharge,

clogging, pipe breakage, abnormal overload No Are any indoor units in different refrigerant circuit connected? Yes Is SV5 circuit normal? No Is there any interference of heat-exchanging of indoor unit? 1. Filter clogging 2. Heat exchanger clogging 3. Air short circuit Yes Is check valve of main…

G-Tr short-circuit protection error

Replace A3-IPDU P.C. board. Yes Is smoothing condenser normal? (1500µF, 400V) Yes Is compressor normal? Yes Is there no fusing of AC30A fuse? Yes Is wire connector connection on INV P.C. board normal? Yes Is power voltage of outdoor unit normal? No No No No No Sub-code: 01: Compressor 1, 02…

Cause

Cause Compressor error ➝ Replace Compressor error ➝ Replace Compressor error ➝ Replace Another indoor unit in the group is abnormal. Yes Yes Yes Check and correct circuit and cables such as wiring to compressor, etc. 1. Wire/connector connection error 2. Compressor error 3. A3-IPDU P.C. board error…

8-6. 7-Segment Display Function 7-segment display on outdoor unit (interface P.C. board) The interface control P.C. board features a 7-segment LED display designed to check operational status. Display items can be changed by changing the combination of the number settings of rotary switches provided…

(1)Display of System Information (Displayed on Header Outdoor Unit Only) SW01 SW02 SW03 Display detail Unused A B 1 2 System capacity A […8]~[48]:8 to 48 HP No. of outdoor units A […1]~[…4]:1 to 4 B [HP] 3 B […P] 4 No. of indoor units connected / A […0.]~[48.]:0 to 48 (No. of units connected) No. of…

(3)Display of Outdoor Cycle Data (Displayed at Each Outdoor Unit) SW01 SW02 SW03 Pd pressure data 1 Pd pressure (MPaG) is displayed in decimal format. (MPaG: Approx. 10 times magnitude of kg/cm2G) A B P d. ∗. ∗ ∗ 2 Ps pressure data Ps pressure (MPaG) is displayed in decimal format. P S. ∗. ∗ ∗ 3 PL…

(5)Display of Indoor Unit Information (Displayed on Header Unit Only) SW01 SW02 SW03 4 5 Display detail Indoor BUS communication signal receiving status B Upon receiving signal: [… … 1], Other times: [… … …] Indoor check code B No check code: [– – –] Indoor HP capacity B 0. 2, 0. 5, 0. 8, … 1, 1. 2…

8-7. Oil Level Judgment Display The current compressor oil level judgment results can be accessed by setting the switches provided on the interface P.C. board of an outdoor unit. Perform the checks in accordance with the procedure described below. 1 Operation Procedure (1) Start the operation. (2)…

8-8. Leakage/Clogging of Refrigerating Cycle Circuit List of Check Codes Generated upon Occurrence of Leakage/Clogging in Outdoor Cycle or Oil Circuit Part (MMY-MAP0804∗, 1004∗, 1204∗) Clogging Part Site of fault (see next page) Outdoor PMV1, 2 Unit generating check code Detected fault and check…

List of Check Codes Generated upon Occurrence of Leakage/Clogging in Outdoor Cycle or Oil Circuit Part (MMY-MAP1404∗, 1604∗) Clogging Part Site of fault (see next page) Outdoor PMV1, 2, 4 Unit generating check code B Check valve in discharge pipe C Symptom Corresponding unit Activation of…

Outdoor Unit ▼ Pressure sensor characteristics • Input/output wiring summary High pressure side (Pd) Pin No. Low pressure side (Ps) Input/output name Lead wire color Input/output name Lead wire color 1 OUTPUT White — — 2 — — OUTPUT White 3 GND Black GND Black 4 +5V Red +5V Red • Output voltage vs.…

9 BACKUP OPERATION (EMERGENCY OPERATION) This product offers backup modes of operation to tide over certain emergency situations. If a fault occurs in one of the compressors, it is possible to operate the system on an emergency basis by operating only the remaining compressor(s), (compressor backup…

9-2. Compressor Backup Operation Setting <Outline> If a fault occurs to one of the compressors installed in outdoor unit, follow the procedure described below to back up the faulty compressor by using the remaining, normal compressor(s). <Work Procedure> (1) Turn off the power supply to all the…

9-3. Outdoor Unit Backup Operation Setting <Outline> This product allows outdoor unit backup operation setting to be performed either at the header unit or a follower unit. If any of the fault modes specified below occurs to one of the outdoor units in a multi-outdoor unit system, proceed with…

(6) Turn on the power supply to all the units connected to the system other than the failed follower unit. Determine what to do with the power supply to the failed follower unit in the following manner. <In case of fault in compressor, electrical part, I/F P.C. board, or IPDU P.C. board> Leave the…

9-3-2. Header outdoor unit backup operation setting (failure of header outdoor unit) <Work procedure> (1) Turn off the power supply to all the units connected to the system at the source. [Setup of failed header outdoor unit] (2) Fully close the gas pipe service valve of the failed outdoor unit. (3)…

(8) Set Bits 1 and 2 of SW30 on the interface P.C. board same as that of the failed header unit (terminator resistance setting). Outdoor interface P.C. board of unit selected as new header unit (7) Turn on Bit 2 of SW09. SW06 SW07 SW09 SW10 SW11 SW12 SW13 SW14 SW16 SW17 (6) Set SW13 and SW14…

9-4. Cooling-Season Outdoor Unit Backup Operation Setting <Outline> Limited to summer and other situations where there is no need for heating operation, this function makes it possible to get backup operation up and running quickly without going through the normal setup procedure, regardless of…

10 OUTDOOR UNIT REFRIGERANT RECOVERY METHOD 10-1.Refrigerant Recovery from Failed Outdoor Unit (Pump-Down) This product supports refrigerant pump-down, a function which allows refrigerant to be recovered from an outdoor unit in need of repair using a normal outdoor unit in a system featuring…

(5) [rd] [… FF] will be displayed on the 7-segment display, and pump-down operation will start. * To put the operation on hold midway, turn off the power supply to all the outdoor units, or press SW05 on the interface P.C. board. Header unit Failed outdoor unit (1) Connect liquid pipe check joint…

[Setup of failed outdoor unit] (13)When the low-pressure sensor output of the failed outdoor unit falls below 0.10MPa, fully close the balance pipe packed valve, and press SW05 on the interface P.C. board to finish the pump-down operation. (14)Turn off the power supply to all the outdoor units, and…

10-1-3. Refrigerant recovery procedure B (Case of outdoor unit backup operation setting) <Outline> If outdoor unit backup operation setting is performed, use an alternative refrigerant recovery procedure as described below, provided that the power cannot be turned on for the failed outdoor unit.…

[Setup of outdoor units other than header unit and failed unit] (8) Leaving the balance pipes of the unit for pressure adjustment and the failed unit fully open, fully close the balance pipe packed valves of all other outdoor units. [Setup of header unit] (9) While monitoring the low-pressure sensor…

10-2.How to Operate System While Failed Outdoor Unit Being Repaired <Outline> After refrigerant is recovered from the failed outdoor unit through a pump-down operation, the overall amount of refrigerant held by the system becomes excessive, and this makes it impossible to operate the remaining…

10-3.Work procedure after Repair When vacuuming in the repaired outdoor unit, follow the procedure described below. <Work procedure> (1) Fully open PMV1 and 2 and PMV4 (MMY-MAP1404∗ and MAP1604∗ only) in accordance with the table below. Note: PMV full-opening operation via short-circuiting of the…

11 REPLACING COMPRESSORS 11-1.Compressor Replacement Procedure (Outline) START WARNING In situations such as indoor unit relocation and repairs, it is not possible to recover all the refrigerant held by the system in the outdoor units. It could cause a serious accident, such as blow out or injury.…

11-2.Replacement of Compressors <Checking color of oil in faulty compressor> • Lay the faulty compressor down, draw a small amount of oil via the oil equalization pipe, and check its color against color samples. • Determine the number of compressors to be replaced according to the color checking…

[When replacing normal as well as faulty compressor] - applicable to MMY-MAP0804∗, 1004∗ and 1204∗ <Dismantling normal compressor> • Dismantle the normal compressor in the same way as the faulty compressor. Note: • Be sure to insulate the removed compressor leads using insulation tape, etc. WARNING…

[When replacing normal as well as faulty compressors] - applicable to MMY-MAP1404∗ and 1604∗ <Dismantling normal compressors> • Dismantle the normal compressors in the same way as the faulty compressor. Note: • Be sure to insulate the removed compressor leads using insulation tape, etc. WARNING When…

<Installing compressor> • Install a compressor by following the dismantling procedure in reverse. • The dismantling process may have loosened compressor leads and faston connectors. Prior to installation, therefore, tighten them a little with a pair of pliers, and verify that they are tight after…

11-3.Check Procedure to Search Cause of Compressor Oil Shortage Are the balance pipes of all outdoor units connected to the same refrigerant line fully open? Open the balance pipe valves fully. No Yes Are there any miswiring or incorrect connection of TK1, TK2, TK3, TK4 and TK5 sensor in the unit…

<MMY-MAP1404∗ and MAP1604∗> Check items and procedures to follow when checking oil circuit with compressor(s) disconnected Check item Location Procedure Leakage of outdoor PMV Leakage of check valve in discharge pipe convergent section A,B C,D 1) With PMV1, 2 and 4 fully closed, apply pressure to…

<MMY-MAP0804∗, MAP1004∗ and MAP1204∗> Check items and procedures to follow when checking oil circuit with compressor(s) disconnected Check item Location Procedure Leakage of outdoor PMV Leakage of check valve in discharge pipe convergent section A,C 1) With PMV1 and 2 fully closed, apply pressure to…

12 OUTDOOR UNIT PARTS REPLACEMENT METHODS No. Part to be replaced 1 Work procedure Remarks Cabinet 2) Discharge cabinet WARNING Screws (4 corners) Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 1. Detachment 1) Stop the air conditioner…

No. Part to be replaced 2 Propeller fan Fan motor Work procedure Remarks 2) Screws (4 corners) WARNING Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 1. Detachment 1) Stop the air conditioner operation, and turn off the circuit breaker.…

No. Part to be replaced 2 Propeller fan Fan motor (continued) Work procedure Remarks 2. CAUTION for replacement or attachment 1) Insert the propeller fan while aligning the D-cut surface of the fan motor shaft with the arrow mark ( ) on the fan. (If the propeller fan is tightly mounted on the shaft…

No. Part to be replaced 3 Work procedure Remarks Heat exchanger 2) Motor base 3) Discharge cabinet anchor plate WARNING Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. Before the work, be sure to recover the refrigerant of outdoor unit…

No. Part to be replaced 4 Work procedure Remarks Inverter assembly 4) Screw (with arrow mark) WARNING Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. Removable design 4) Screw (with arrow mark) 1. Detachment 4) Connector for fan reactor 1)…

No. Part to be replaced 5 Work procedure Remarks • 14, 16HP case Reactor assembly WARNING 3) Screw Fixing claw (slide stopper to right) Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 1. Detachment 1) Stop the operation, and turn off the…

No. Part to be replaced 7 Work procedure Temperature sensors Product Front View - locations and identification colors MAP0804∗ MAP1004∗ MAP1204∗ Remarks TD1 sensor (yellow) TD2 sensor (red) Accumulator Compressor 1 Compressor 2 Product Rear View TS1 sensor (gray) TK4 sensor (white) TK1 sensor…

No. Part to be replaced 7 Work procedure Temperature sensors Product Front View - locations and identification colors (continued) MAP1404∗ MAP1604∗ Accumulator Remarks TD1 sensor (yellow) Compressor 1 TD2 sensor (red) Compressor 2 TD3 sensor (black) Compressor 3 Product Rear View TK4 sensor (white)…

No. Part to be replaced 8 Pipe fixing rubber - detachment/ attachment MAP0804∗ MAP1004∗ MAP1204∗ Work procedure Remarks This product employs pipe fixing rubber (eyeglass type), combined with a SUS band, to restrain pipes subject to vibration to improve reliability. <Use of SUS band - total 5…

No. Part to be replaced 8 Pipe fixing rubber - detachment/ attachment (common) Work procedure Remarks 1) WARNING Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 1. Detachment 1) Hold the pipe fixing rubber in such a manner that your…

No. Part to be replaced 9 4-way valve - detachment/ attachment MAP0804∗ MAP1004∗ MAP1204∗ Work procedure Remarks WARNING PMV Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 4) Brazed point Before starting the work, be sure to recover the…

No. Part to be replaced 9 4-way valve - detachment/ attachment (continued) MAP1404∗ MAP1604∗ Work procedure Remarks PMV WARNING Wear a pair of gloves. Otherwise, you will risk an injury involving a replacement part or some other object. 4) Brazed point Before starting the work, be sure to recover…

13 P.C. BOARD EXCHANGE PROCEDURES Indoor Unit 13-1.Replacement of Indoor P.C. Boards Part code Model type P.C. board type 431-6V-379 MMU-AP∗∗2H series MCC-1570 431-6V-437 MMU-AP∗∗2WH series MMU-AP∗∗1MH series MMU-AP∗∗2SH series MMC-AP∗∗1H series MMD-AP∗∗1SPH/SH series MCC-1402 431-6V-325…

Method 2 If it is not possible to turn on the indoor unit or read the setting data from the P.C. board to be replaced via a wired remote controller or operate the remote controller due to the failure of its power supply circuit Replacing EEPROM (IC503, IC10) (For the location of this component and…

Procedure 1: Reading Setting Data from EEPROM (Read the setting data from EEPROM, including both the factory settings and any modifications made to them on site.) 1 Push the + + buttons simultaneously and hold for at least 4 seconds. 1 (This number corresponds to the same number shown on the Remote…

Procedure 2: Replacing P.C. Board 1 Replace the faulty P.C. board with a service P.C. board. Be sure to replicate the old jumper setting (removal), switch setting (SW501), and connector short-circuit setting (e.g. CN34) on the service P.C. board. (See the diagram at below.) Connector for drain pump…

Procedure 3: Writing Setting Data in EEPROM (The EEPROM of the service P.C. board has been set to the factory default values.) 1 Push the + + buttons simultaneously and hold for at least 4 seconds. 1 (This number corresponds to the same number shown on the Remote Controller Operation Diagram.)…

EEPROM Location Diagram The EEPROM (IC503, IC10) is mounted on an IC socket. Use a pair of tweezers, etc. to remove it. When installing it, adjust its orientation as shown in the diagram below. During EEPROM removal/installation, take care not to bend IC leads. P.C. board (MCC-1402) P.C. board…

CODE No. list (Example) CODE No. (DN) Item Setting data Factory-set value 01 Filter sign lighting time Depending on Type 02 Filter pollution leve 0000: standard 03 Central control address 0099: Not determined 06 Heating suction temperature shift 0002: +2°C (Floor standing type: 0) 0d Existence of…

Outdoor Unit 13-2.Replacement of Outdoor P.C. Boards 13-2-1. List of service P.C. boards Part code Description Applicable model 431 6V 420 Interface P.C. board 431 6V 441 Comp-IPDU P.C. board 431 6V 422 Fan IPDU P.C. board 431 6V 440 Noise filter P.C. board MMY-MAP0804∗ MMY-MAP1004∗ MMY-MAP1204∗…

13-2-3. Interface board (MCC-1606) replacement method This Interface board is commonly installed in different models before shipment. When the board assembly is to be replaced, check the displayed inspection contents below and replace the board in accordance with the model, following the below…

13-2-4. Comp-IPDU P.C. Board (MCC-1596) Replacement Procedure This board is commonly installed in different models before shipment. Set the dip switch (SW800) setting of the service board to the switch setting before replacement. Replacement Steps: (1) Turn off the power supply of the outdoor unit…

(6) Set the dip switch (SW800) setting of the service board to match the switch setting from the original PCB. - Set the dip switch (SW800) depending on the position of the IPDU within the electrical box, as shown in the following diagram. Ex. MMY-MAP1004HT8 Ex. MMY-MAP1604HT8 Dip Switch (SW800)…

13-2-5. Fan IPDU P.C. Board (MCC-1610) Replacement Procedure Replacement steps: (1) Turn off the power supply of the outdoor unit and allow at least one minute for the capacitor to discharge. Confirm that the light of the LED (D640) fades away. (2) Remove all the connectors and the fast-on terminals…

13-2-6. Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure <1. Preparation (model selection)> All P.C. boards of this type leave the factory with default settings that are common to all applicable models. When replacing a P.C. board assembly on site, follow the procedure described below.…

(3) Disconnect all the connectors and fastons used to connect wiring to the noise filter P.C. board. • The line filter (9) and its leads, both connected to the screw-on terminals (8) of the noise filter P.C. board (A) will be removed in step 6. • Disconnect all the connectors and fastons. (4) Remove…

(7) Install the service P.C. boards (A) and (B) in the outdoor unit controller. (Make sure that they are firmly secured to the card edge spacers (7).) (8) Securely connect the service P.C. boards to the chassis using the earthing screws (5), (6) removed in step 4. If either of the screws is loose…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER 022 VALVE 4WAY PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D)…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE VALVE 4WAY 057 HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH…

Q’ty/Set MMY- Ref. No. Part No. 001 43120252 002 43100471 003 004 Description MAP0804H T8(Z)(ZG)-E MAP1004H T8(Z)(ZG)-E MAP1204H T8(Z)(ZG)-E MAP1404H T8(Z)(ZG)-E MAP1604H T8(Z)(ZG)-E FAN, PROPELLER CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 43100474…

Q’ty/Set MMY- Ref. No. Part No. 048 43149339 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 050 43149320 Description MAP0804H T8(Z)(ZG)-E MAP1004H T8(Z)(ZG)-E MAP1204H T8(Z)(ZG)-E RUBBER, SUPPORTER, PIPE,8.0 43149321 RUBBER, SUPPORTER, PIPE,6.4 4311M670 MARK, TOSHIBA 43163063 HOLDER, SENSOR, TO 43100476…

JXO-6B

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D) (SV2) SV 030 018 SV…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH PRESSURE SWITCH…

Ref. No. Q’ty/Set MMYPart No. Description MAP0804T MAP1004T MAP1204T MAP1404T MAP1604T 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 001 43120252 FAN, PROPELLER 43100471 CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 43100474 CABINET, AIR INLET…

Q’ty/Set MMY- Ref. No. Part No. 048 43149339 RUBBER, SUPPORTER, PIPE,12.7 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 050 43149320 RUBBER, SUPPORTER, PIPE,8.0 Description MAP0804T MAP1004T MAP1204T MAP1404T MAP1604T 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 8(Z)(ZG)-E 43149321 RUBBER, SUPPORTER…

JXO-6B

Q’ty/Set MMY- Ref. No. Part No. 701 43050425 SENSOR ASSY, SERVICE 43150346 SENSOR ASSY, SERVICE 43063248 SUPPORTER, ASSY 43150315 SENSOR,TD(F6) 43160620 TERMINAL, 4P 43158228 REACTOR 43158229 REACTOR, CH-79 43160621 TERMINAL, 6P 43152519 CONTACTOR, MAGNETIC 43160583 TERMINAL, 6P Description MAP0804T…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER 022 VALVE 4WAY PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D)…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE VALVE 4WAY 057 HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH…

Q’ty/Set MMY- Ref. No. Part No. 001 43120252 002 43100471 003 004 Description MAP0804H T8(Z)(ZG) MAP1004H T8(Z)(ZG) MAP1204H T8(Z)(ZG) MAP1404H T8(Z)(ZG) MAP1604H T8(Z)(ZG) FAN, PROPELLER CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 43100474 CABINET, AIR…

Q’ty/Set MMY- Ref. No. Part No. 048 43149339 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 050 43149320 Description MAP0804H T8(Z)(ZG) MAP1004H T8(Z)(ZG) MAP1204H T8(Z)(ZG) RUBBER, SUPPORTER, PIPE,8.0 43149321 RUBBER, SUPPORTER, PIPE,6.4 4311M670 MARK, TOSHIBA 43163063 HOLDER, SENSOR, TO 43100476…

JXO-6B

Q’ty/Set MMY- Ref. No. Part No. 701 43050425 702 43150346 Description MAP0804H T8(Z)(ZG) MAP1004H T8(Z)(ZG) MAP1204H T8(Z)(ZG) MAP1404H T8(Z)(ZG) MAP1604H T8(Z)(ZG) SENSOR ASSY, SERVICE SENSOR ASSY, SERVICE 43063248 SUPPORTER, ASSY 43150315 SENSOR,TD(F6) 43160620 TERMINAL, 4P 43158228 REACTOR…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D) (SV2) SV 030 018 SV…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH PRESSURE SWITCH…

Ref. No. Q’ty/Set MMYPart No. Description MAP0804 MAP1004 MAP1204 MAP1404 MAP1604 T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) 001 43120252 FAN, PROPELLER 43100471 CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 43100474 CABINET, AIR INLET, FRONT…

Q’ty/Set MMY- Ref. No. Part No. 048 43149339 RUBBER, SUPPORTER, PIPE,12.7 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 050 43149320 RUBBER, SUPPORTER, PIPE,8.0 Description MAP0804 MAP1004 MAP1204 MAP1404 MAP1604 T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) T8(Z)(ZG) 43149321 RUBBER, SUPPORTER, PIPE,6.4…

JXO-6B

Q’ty/Set MMY- Ref. No. Part No. 701 43050425 SENSOR ASSY, SERVICE 43150346 SENSOR ASSY, SERVICE 43063248 SUPPORTER, ASSY 43150315 SENSOR,TD(F6) 43160620 TERMINAL, 4P 43158228 REACTOR 43158229 REACTOR, CH-79 43160621 TERMINAL, 6P 43152519 CONTACTOR, MAGNETIC 43160583 TERMINAL, 6P Description MAP0804…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER 022 VALVE 4WAY PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D)…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE VALVE 4WAY 057 HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH…

Q’ty/Set MMY- Ref. No. Part No. 001 43120252 Description MAP0804HT MAP1004HT MAP1204HT MAP1404HT MAP1604HT 8(Z)(ZG)-TR 8(Z)(ZG)-TR 8(Z)(ZG)-TR 8(Z)(ZG)-TR 8(Z)(ZG)-TR FAN, PROPELLER 43100471 CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 005 43100474…

Q’ty/Set MMY- Ref. No. Part No. 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 43149320 RUBBER, SUPPORTER, PIPE,8.0 43149321 RUBBER, SUPPORTER, PIPE,6.4 4311M670 MARK, TOSHIBA 43163063 HOLDER, SENSOR, TO 43100476 CABINET, SIDE, UP 43100477 PANEL 43149389 SENSOR ASSY, LOW PRESSURE,150XA4-L1 43149390…

JXO-6B

Q’ty/Set MMY- Ref. No. Part No. 701 43050425 SENSOR ASSY, SERVICE 43150346 SENSOR ASSY, SERVICE 43063248 SUPPORTER, ASSY 43150315 SENSOR,TD(F6) 43160620 TERMINAL, 4P 43158228 REACTOR 43158229 REACTOR, CH-79 43160621 TERMINAL, 6P 43152519 CONTACTOR, MAGNETIC 43160583 TERMINAL, 6P 43069524 SUPPORT…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER 022 VALVE 4WAY PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D)…

026 027 (SV41)

REFRIGERATION CIRCUIT DIAGRAM FAN M PULSE MOTOR VALVE 1 087 MOTOR FAN CONDENSER RIGHT SIDE (TO) PULSE MOTOR VALVE 2 CONDENSER LEFT SIDE (TE1) PULSE MOTOR (TE2) VALVE VALVE 4WAY 057 HIGH PRESSURE SENSOR (TS1) 043 018 (SV6) SV SV 056 LOW PRESSURE SENSOR (SV2) (SV3D) (TL) 018 072 SV SEPARATOR OIL HIGH…

Ref. No. Q’ty/Set MMYPart No. Description MAP0804H T7(Z)(ZG) MAP1004H T7(Z)(ZG) MAP1204H T7(Z)(ZG) MAP1404H T7(Z)(ZG) MAP1604H T7(Z)(ZG) 001 43120252 FAN, PROPELLER 43100471 CABINET, AIR OUTLET 43100472 CABINET, AIR INLET, FRONT 43100473 CABINET, AIR INLET, BACK 43100474 CABINET, AIR INLET, FRONT…

Q’ty/Set MMY- Ref. No. Part No. 048 43149339 RUBBER, SUPPORTER, PIPE,12.7 049 43149358 RUBBER, SOPPORTER, PIPE,9.52 050 43149320 RUBBER, SUPPORTER, PIPE,8.0 Description MAP0804H T7(Z)(ZG) MAP1004H T7(Z)(ZG) MAP1204H T7(Z)(ZG) MAP1404H T7(Z)(ZG) MAP1604H T7(Z)(ZG) 43149321 RUBBER, SUPPORTER, PIPE,6.4…

JXO-6B

Q’ty/Set MMY- Ref. No. Part No. 701 43050425 702 43150346 703 43063248 SUPPORTER, ASSY 43150315 SENSOR,TD(F6) 43160620 TERMINAL, 4P 43158228 REACTOR 43158229 REACTOR, CH-79 43160621 TERMINAL, 6P 43152395 CONTACTOR, MAGNETIC 43160583 TERMINAL, 6P Description MAP0804H T7(Z)(ZG) MAP1004H T7(Z)(ZG)…

REFRIGERATION CIRCUIT DIAGRAM FAN M MOTOR FAN CONDENSER RIGHT SIDE (TO) CONDENSER LEFT SIDE 026 (TE1) SV 085 (SV5) 025 REDUCER PULSE MOTOR VALVE 2 PULSE MOTOR VALVE HIGH PRESSURE SENSOR 043 074 (TL) 083 074 (TS1) 043 LOW PRESSURE SENSOR 018 SV PLUG FUSIBLE FP SEPARATOR OIL (SV3D) (SV2) SV 030 018 SV…

Инструкция на Мультизональные VRF системы Toshiba (сервис-мануалы)

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