Инструкция на Мультизональные VRF системы Toshiba (сервис-мануалы)
Настенные блоки 2 серии MMK-AP0072H, MMK-AP0092H, MMK-AP0122H. Инструкция по техническому обслуживанию.
Смотрите также: Краткое руководство →
Загружаем документ…
Текст инструкции
-
SERVICE MANUAL
<High Wall Type> MMK-AP0072H MMK-AP0092H MMK-AP0122H • This Service Manual describes contents of the new High Wall indoor unit. For the outdoor unit, refer to the Manual with FILE NO. A03-009. • The service parts will be supplied by TCTC. PRINTED IN JAPAN, Apr.,2005 ToMo
-
SAFETY CAUTION
The important contents concerned to the safety are described on the product itself and on this Service Manual. Please read this Service Manual after understanding the described items thoroughly in the following contents, and keep them. WARNING Check earth wires. Before troubleshooting or repair…
-
WARNING
Assembly/Cabling Insulator check Ventilation After repair work, surely assemble the disassembled parts, and connect and lead the removed cables as before. Perform the work so that the cabinet or panel does not catch the inner cables. If incorrect assembly or incorrect cable connection was done, a…
-
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 refrigerating oil has…
-
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 conventional…
-
5. Recharge of Refrigerant
When recharge of the refrigerant is required, charge the new refrigerant with the specified amount in the procedure as described below. Recover the refrigerant and check there is no refrigerant in the equipment. Leave it as it is for 1 to 2 minutes and check the indicator of the compound gauge does…
-
1. CONSTRUCTION VIEWS (EXTERNAL VIEWS)
Model: MMK-AP0072H, AP0092H, AP0122H Air inlet part Knockout Knockout 60 48 Air outlet gril 54.5 54.5 Hock for insulation plate 321 Drain pipe Refrigerant pipe connecting port Liquid side Ø6.4 Refrigerant pipe connecting port Gas side Ø9.5 (Installation space) 100mm or more 170mm or more *300mm or…
-
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 : GRN BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN & YELLOW GREEN WHI GRN & YEL Power Supply Single phase 220-240V 50Hz 220V 60Hz GRN & YEL : : : : : : : : : : WHI…
-
3. PARTS RATING
3-1. Parts Rating No. Parts Name Type ICF-340-30 MF-340-30 Specications 1 Fan motor (for indoor) Output (Rated) 30W, 280-340V DC 2 Grille motor MP24Z 3 Thermo. Sensor (TA sensor) 318mm 10kΩ at 25°C 4 Heat exchanger sensor (TC1 sensor) Ø4, 600mm 10kΩ at 25°C 5 Heat exchanger sensor (TC2 sensor) Ø6…
-
3-3. Parts Name of Remote Controller
Operation section • Using a remote controller, maximum 8 indoor units can be operated. • After the operation contents have been once set up, the remote controller can be operated by pushing ON/OFF buttons only. In reality only, the selected contents are indicated. • When turning on the leak breaker…
-
Operation section
Push each button to select a desired operation. • The details of the operation needs to be set up once, afterward, the air conditioner can be used by pushing button only. UNIT 5 SET 10 CL 6 1 Air volume select button 8 Selects the desired air volume mode. 2 Timer set button TIMER SET button is used…
-
3-4. Correct Usage
When you use the air conditioner for the first time or when you change the SET DATA value, follow the procedure below. From the next time, the operation displayed on the remote controller will start by pushing the button only. Preparation Turn on the main power switch and/or the leakage breaker. •…
-
3-5. Automatic Operation (Super Heat Recovery Type Only)
When you set the air conditioner in mode or switch over from AUTO operation because of some settings change, it will automatically select either cooling, heating, or fan only operation depending on the indoor temperature. Start 1 button Push this button to start the air conditioner. 2 Mode select…
-
3-6. TIMER Operation
A type of timer operation can be selected from the following three types. OFF timer : The operation stops when the time of timer has reached the set time. Repeat OFF timer : Every time, the operation stops after the set time has passed. ON timer : The operation starts when the time of timer has…
-
3-7. Re-Installation
DANGER Ask the dealer or an installation professional to re-install the air conditioner to a new place or move it to another place and to observe the following items. If the air conditioner is inappropriately by installed by yourself, it may cause electric shock or fire. Do not install the air…
-
3-9. Information
Confirmation before operation Protective device (High pressure switch) • Turn on the power switch 12 hours before starting the operation. • Make sure whether earth wire is connected. • Make sure the air filter is connected to the indoor unit. This device stops automatically an operation when…
-
3-10. Adjustment of Air Direction
To increase the cooling/heating efficiency, be sure to make proper use of the discharge flap for cooling or heating operation. As the characteristics of air, cool air collects at lower levels, and hot air collects at higher levels. CAUTION Set the flap so that air blows out horizontally. If cooling…
-
3-11. Air Conditioner Operations and Performance
3 minutes protection function 3-minutes protection function prevents the air conditioner from starting for initial 3 minutes after the main power switch/circuit breaker is turned on for re-starting the air conditioner. Power failure Power failure during operation will stop the unit completely. • To…
-
3-12. Maintenance
For maintenance, be sure to turn off the main power switch. WARNING • Please do not intend to do the daily maintenannce and/or Air Filter cleaning by yourself. Otherwise, you may contact with revolving fan or active electrity when you insert your hands into the unit during running of the air…
-
Return the air filter
• Insert the upper portion of air filter confirming to fit it is right and left edges on the indoor unit until it is firmly set. • Close the air inlet grille. If the FILTER lamp on the indoor unit is indicated, press the FILTER button on the remote controller or the TEMPORARY button on the indoor…
-
3-13. When the Following Symptoms are Found
Check the points described below before asking repair servicing. Cause Check again. Symptom Outdoor unit • White misty cold air or water is out. • Sometimes, noise “Pushu !” is heard. • Fan of the outdoor unit stops automatically and performs defrost operation. • Solenoid valve works when defrost…
-
4. REFRIGERANTING CYCLE DIAGRAM
Liquid side Gas side Strainer Capillary tube Air heat exchanger at indoor side Pulse Motor Valve (PMV) Strainer Sensor (TCJ) Sensor (TC2) Fan Sensor (TC1) Sensor (TA) Functional part name M Fan motor Functional outline Pulse Motor Valve PMV (Connector CN082 (6P): Blue) 1) Controls super heat in…
-
5. CONTROL OUTLINE
5-1. Indoor Unit Control Specifications No. Item 1 Power supply is reset. Outline of specifications Remarks (1) Distinction of outdoor unit When the power supply is reset, the outdoor units are distinguished, and control is exchanged according to the distinctive results. (2) Check code clear When…
-
Item
Outline of specifications 6 Prevention of cold air discharge (1) In heating operation, the upper limit of the fan tap is set by one with higher temperature of TC2 sensor and TCJ sensor. • When B zone has continued for 6 minutes, the operation shifts to C zone. • In defrost time, the control point is…
-
Item
Outline of specifications Remarks 8 Recovery control for cooling refrigerant and oil (1) The indoor unit which stops operation, thermostat is OFF, or operates in FAN mode opens PMV of the indoor unit by the specified opening degree when signal of refrigerant recovery or oil recovery is received. (2)…
-
Item
Outline of specifications 14 “ ” and “ ” display (Operation and heating stand-by) <Operation standby> Display on wired type (1) • “P05” is one of displays of power wire missingand when it’s detected. • “COOL/DRY” operation cannot be performed because the other indoor unit is under “HEAT” operation.…
-
Item
16 Hi POWER operation (Wireless remote control specific operations) Outline of specifications When you press the Hi POWER button during cooling, heating or A operation, the air conditioner will start the following operation. • Cooling operation Performs the cooling operation at 1°C lower than the…
-
Item
18 MEMORY operation Outline of specifications Remarks Start the air conditioner in the operation mode which you want the remote control to memorize. (1) Press this button briefly to standby memorizing the setting. All the icons currently displayed except for the clock display and mark flashes. (2)…
-
6. APPLIED CONTROL
6-1. Indoor Unit 6-1-1. Setup of Selecting Function in Indoor Unit (Be sure to Execute Setup by a Wired Remote Controller) <Procedure> Execute the setup operation while the unit stops. UNIT SET 3 CL Push SET , CL , and buttons simultaneously for 4 seconds or more. The firstly displayed unit No.…
-
Table: Function selecting item numbers (DN)
(Items necessary to perform the applied control at the local site are described.) DN Item 01 Filter sign lighting time 0000 : None 0002 : 2500H 0004 : 10000H 02 Dirty state of filter 0000 : Standard 0001 : High degree of dirt (Half of standard time) 0000 : Standard 03 Central control address 0001…
-
TYPE
Indoor unit capacity Item code [10] Item code [11] Setup data Type 0008 High Wall Abbreviated Model name Setup data Model 0001 007 0003 009 0005 012 MMK-AP XXX H 6-1-2. Applied Control in Indoor Unit n Remote location ON/OFF control box (TCB-IFCB-4E) [Wiring and setup] • Use the exclusive connector…
-
n 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 can receive the no-voltage A contact as an…
-
n 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 item code - is set to the connected indoor unit. • It is used…
-
Wall-Type P.C. Board Optional Switch/Connector Specifications
Function Terminator resistor provided/Not provided Connector No. HA Outside error input CN60 CN80 CHK OFF: No terminator resistor, Setup at shipment OFF: No terminator resistor. ON: Terminator resistor provided Only 1 unit is ON during central control by custom only. Bit 2 OFF: Remote controller A…
-
7. TROUBLESHOOTING
7-1. Troubleshooting Summary 1. Before troubleshooting 1) Applied models All Super Module Multi-system type models (Indoor unit: MMX-APXXX, Outdoor unit: MMY-MAPXXX) 2) Required tools / measuring devices • Screwdrivers (Philips, Minus), spanner, radio pinchers, nipper, push pin for reset switch…
-
7-2. Check Method
On the remote controller (Main remote controller, Central control remote controller) and the interface P.C. board of the outdoor unit, a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. board) to display the operation is provided. Therefore the operation…
-
Wireless remote controller
-
Wireless remote controller
Outdoor 7-segment display Main remote controller display Auxiliary code Sensor block display of receiving unit AI-NET central control display Ready Timer Operation Flash ¤ ¤ l ¤ l ¤ ¤ l ¤ ¤ l ¤ ¤ l ¤ ¤ ¤ l ¤ ¤ l ¤ l ¤ ¤ l ¤ ¤ l ¤ ¤ l ¤ P01 — — 11 P03 P03 — 1E P04 P04 01: Comp. 1 side 02: Comp. 2…
-
7-2-2. New Check Code
1. Difference between the TCC LINK and AI-NET check code The displaying method of the check code changes in this model and after. AI-NET check code Used characters Hexadecimal notation, 2 digits Characteristics of code classification Few classification of communication/ incorrect setup system Block…
-
7-3-2. In Case of TCC-LINK Central Control Remote Controller
(TCB-SC642TLE) ZONE ALL ZONE GROUP CODE No. 1234 SET DATA SETTING R.C. UNIT No. TEST No. GROUP SELECT ZONE CL SET 1. Confirmation and check When a trouble occurred on the air conditioner, the check code and the indoor unit No. are displayed on the display section of the remote controller. The check…
-
E06 E07 E08 — — E08 E09 — E04 E06 — — E03 — Duplicated indoor addresses — No. of indoor units which received signal normally — — — E02 — — E01 Main Outdoor 7-segment display remote Sub-code controller Check code Check code 99 96 — — — Check code name Status Error detection condition Duplicated…
-
E19 E20 E23 E19 E20 E23 E16 E16 — E15 E15 E18 E12 E12 — 01: Connection of outdoor of other line 02: Connection of indoor of other line 00: No header unit 02: Two or more header units — 00: Capacity over 01 to: No. of connected units — 01: Indoor/outdoor communication 02: Between outdoors…
-
outdoor units E26 E28 E31 E26 E28 E31 45 — — F04 F05 F06 F03 F04 F05 F06 — — — — — F02 — — F01 01: IPDU1 error 02: IPDU2 error 03: IPDU1, 2 errors 04: Fan IPDU error 05: IPDU1 + Fan IPDU error 06: IPDU2 + Fan IPDU error 07: All IPDU error or communication error between IPDU and I/F P.C. board or…
-
— 01: Compressor 1 side 02: Compressor 2 side — F12 F13 F15 F16 F10 F12 F13 F15 F16 46 — — 01: Compressor 1 side 02: Compressor 2 side F24 — F31 H01 F24 F29 F31 H01 IPDU I/F Indoor I/F I/F I/F I/F IPDU I/F Indoor I/F I/F Detected position Compressor breakdown Outdoor EEPROM error Indoor other error…
-
— H07 H07 — — H04 H04 01: Compressor 1 side 02: Compressor 2 side H06 H03 H03 01: Compressor 1 side 02: Compressor 2 side H06 H02 H02 Main Outdoor 7-segment display remote Check code Sub-code controller d7 1d I/F I/F I/F IPDU IPDU Detected AI-NET position central control remote controller Protection…
-
H16
01: TK1 oil circuit system error 02: TK2 oil circuit system error 03: TK3 oil circuit system error 04: TK4 oil circuit system error — H14 H14 H16 01: TK1 sensor error 02: TK2 sensor error 03: TK3 sensor error 04: TK4 sensor error H08 H08 Main Outdoor 7-segment display remote Sub-code controller…
-
No. of indoor units with priority — — L06 — L08 — L05 L06 L07 L08 L09 49 — — L28 L29 L20 L28 L29 01: IPDU1 error 02: IPDU2 error 03: IPDU1, 2 errors 04: Fan IPDU error 05: IPDU1 + Fan IPDU error 06: IPDU2 + Fan IPDU error 07: All IPDU error or communication error between IPDU and I/F P.C. board, or…
-
P03 P04 P01 P03 P04 P05 L31 — P05 L30 L30 50 01: Power supply open phase 02: Power supply negative phase 01: Compressor 1 side 02: Compressor 2 side — — — Detected indoor address Main Outdoor 7-segment display remote Check code Sub-code controller AF 21 1E 11 — b6 I/F I/F I/F Indoor I/F Indoor…
-
P19 P15 P15 P19 P13 P13 P17 — P12 P17 P07 P07 Detected outdoor unit No. — 02: TD condition 01: TS condition — — 01: Compressor 1 side 02: Compressor 2 side 8 bb AE AE 47 11 1C I/F I/F I/F I/F I/F Indoor IPDU I/F Check code Detected Main Outdoor 7-segment display AI-NET position remote central…
-
P20
P22 P20 P22 0: IGBT shortage 1: Position detection circuit error 3: Motor lock error 4: Motor current error detection C: TH sensor temp. error D: TH sensor error E: Vdc error — Main Outdoor 7-segment display remote Check code Sub-code controller 1A 22 FANIPDU I/F Detected AI-NET position central…
-
P26
P29 — P26 P29 P31 Check code — 01: Compressor 1 side 02: Compressor 2 side 01: Compressor 1 side 02: Compressor 2 side Sub-code Outdoor 7-segment display Main remote controller AI-NET central control remote controller Indoor IPDU IPDU Detected position Other indoor error (Group follower unit error)…
-
C12 — — — TCC-LINK 54 — — — — — — — b7 99 97 AI-NET central control remote controller AI-NET AI-NET AI-NET Detected position Error detection condition Error in indoor group Duplicated network adaptors AI-NET communication system error Check code name Duplicated central control address Follower unit…
-
7-4-1. Cautions When Servicing for Compressor
1. Removing wires of both compressors check output of the inverter as described below. 7-4-2. How to Check Inverter Output 1. Turn off the power supply. 2. Remove the compressor lead cables from the compressors. (Be sure to remove lead cables of both compressors.) 3. Turn on the power supply and…
-
7-5. Diagnosis Procedure for Each Check Code
Check code [E01] / [–] (Current code / AI-NET) Check code name Cause of operation Communication error between 1. Remote controller inter-unit cable error indoor and remote controller 2. Indoor power error (Detected at remote controller side) 3. Indoor P.C. board error 4. Remote controller address…
-
[E02] / [–]
Remote controller sending error (Current code / AI-NET) Cause of operation Signal could not be sent to indoor unit. Check the communication wire of the remote controller. * It is not displayed on 7-segment display of the central control controller. Is communication cabling between remote controller…
-
Cause of operation
[E04] / [04] Indoor/Outdoor communication circuit error (Detected at indoor side) 1. Power of outdoor unit was firstly turned on. 2. Connection error of communication line between indoor and outdoor 3. End terminal resistance setup error on communication between indoor and outdoor 4. Address setup…
-
[E06] / [04]
Cause of operation Decreased number of indoor units 1. Communication lines (U1, U2) connection error between indoor and outdoor 2. Connector connection error of communication for indoor P.C. board 3. Connector connection error of communication for outdoor I/F board 4. Power supply of indoor unit (Is…
-
Cause of operation
[E07] / [–] Indoor/Outdoor communication circuit error (Detected at outdoor side) 1. Indoor/outdoor communication end terminal resistance setup error 2. Indoor/outdoor communication connection error (Current code / AI-NET) Is setup of end terminal resistance of outdoor unit normal? NO YES Is…
-
[E08] / [96]
Duplicated indoor addresses (Current code / AI-NET) Cause of operation 1. Indoor addresses are duplicated. 2. Switch setup error of wall type P.C. board Sub-code: Duplicated indoor address Using a main remote controller (RBC-AMT21E), check the setup item codes (DN code) 12, 13, and 14. When there is…
-
Cause of operation
[E12] / [42] Automatic address start error 1. When indoor automatic address started, other refrigerant circuit system was setting automatic address. 2. When outdoor automatic address started, the indoor automatic address was being set. (Sub-code: 02) (Current code / AI-NET) Sub-code: 01…
-
Cause of operation
[E16] / [89] Connected indoor units capacity over 1. There are 48 or more connected indoor units. 2. Capacity over of total connected indoor units. 3. Incorrect setup of indoor/outdoor capacity (Current code / AI-NET) Sub-code: 00 : Capacity over 49 to 64 of connected units YES Perform setup of no…
-
[E18] / [97/99]
Communication error between indoor header and follower (Current code / AI-NET) Are remote controller inter-unit cables (A/B) normal? Cause of operation 1. Regular communication between indoor header and follower is unavailable. 2. Switch setup error of wall type P.C. board NO Correct remote…
-
[E19] / [96]
Cause of operation Header outdoor units quantity error 1. Misconnection of inter-unit cable between indoor and outdoor 2. Outdoor I/F P.C. board error (Current code / AI-NET) Sub-code: 00: No header unit 02: Two or more header units Are not communication lines (U1, U2) between indoor and outdoor…
-
Cause of operation
[E23] / [15] Communication sending error between outdoor units 1. Inter-unit cable connection error between outdoor units 2. Communication connector connection error between outdoor units, I/F P.C. board error 3. End terminal resistance setup error between outdoor units (Current code / AI-NET) Is…
-
[E25] / [15]
Duplicated follower outdoor address setup (Current code / AI-NET) Cause of operation Addresses are duplicated by manual setup of outdoor address Do not set up outdoor address manually. Check code Check code name Cause of operation [E26] / [15] Decrease of connected outdoor units 1. Outdoor unit…
-
[E28] / [d2]
Follower outdoor unit error Cause of operation Follower outdoor error (Current code / AI-NET) Sub-code: Detected outdoor unit No. An error occurred on the follower unit. Check the check code of follower unit on 7-segment display on I/F P.C. board of follower unit, and then check according to…
-
[F01] / [0F]
Indoor TCJ sensor error Cause of operation TCJ sensor Open/Short (Current code / AI-NET) Is TCJ sensor connector (CN102: Yellow) on indoor P.C. board normally connected? NO Correct connection of connector. YES NO Are characteristics of TCJ sensor resistance value normal? YES Replace TCJ sensor. *…
-
[F03] / [93]
Indoor TC1 sensor error Cause of operation TC1 sensor Open/Short (Current code / AI-NET) Is TC1 sensor connector (CN100: Brown) on indoor P.C. board normally connected? NO Correct connection of connector. YES Are characteristics of TC1 sensor resistance value normal? YES NO Replace TC1 sensor.…
-
[F07] / [18]
TL sensor error Cause of operation TL sensor Open/Short (Current code / AI-NET) This error code means detection of Open/Short of TL sensor. Check disconnection of circuit for connection of connector (TL sensor: CN521, White) and characteristics of sensor resistance value. (Refer to Outdoor unit…
-
[F13] / [43]
TH sensor error Cause of operation IGBT built-in sensor error in A3-IPDU (Current code / AI-NET) Sub-code: 01: Compressor 1 side 02: Compressor 2 side This error code means IGBT built-in temperature sensor error. Check connection of connectors CN06 on IPDU P.C. board and CN600 on I/F P.C. board. If…
-
Cause of operation
[F16] / [43] Outdoor pressure sensor miscabling (Pd, Ps) 1. High-pressure Pd sensor and lowpressure sensor Ps are exchanged. 2. Output voltage of each sensor is zero. (Current code / AI-NET) Are connection of Pd sensor and Ps sensor connectors correct? NO Correct connection of connectors. Pd sensor…
-
Cause of operation
[F23] / [43] Ps sensor error Output voltage error of Ps sensor (Current code / AI-NET) Is connection of Ps sensor connector correct? YES Are output voltage characteristics of Ps sensor normal? YES Is there no leakage from SV4 valve? NO Correct connection of connector. Connector: CN500, White NO…
-
[F29] / [12]
Indoor other error Cause of operation (Current code / AI-NET) Indoor P.C. board error EEROM error This error is detected during operation of air conditioner of IC10 non-volatile memory (EEPROM) on indoor unit P.C. board. Replace service P.C. board. ∗ If EEPROM was not inserted when power was turned…
-
[H01] / [1F]
Compressor breakdown (Current code / AI-NET) Cause of operation 1. Outdoor unit power line error 2. Compressor circuit system error 3. Compressor error 4. Cause of abnormal overload operation 5. IPDU P.C. board error Sub-code: 01: Compressor 1 side 02: Compressor 2 side Is power voltage of outdoor…
-
Cause of operation
[H02] / [1d] Compressor error (Lock) 1. Outdoor unit power line error 2. Compressor circuit system error 3. Compressor error 4. Refrigerant stagnation in compressor shell 5. IPDU P.C. board error (Current code / AI-NET) Sub-code: 01: Compressor 1 side 02: Compressor 2 side NO Is power voltage of…
-
[H03] / [17]
Cause of operation Current detective circuit system error 1. Cabling or connector connection error on IPDU P.C. board 2. IPDU P.C. board error (Current code / AI-NET) Sub-code: 01: Compressor 1 side 02: Compressor 2 side Wiring or connector connection on IPDU P.C. board normal? NO Correct connector…
-
[H04] / [44]
Compressor 1 case thermo operation (Current code / AI-NET) [H14] / [44] Compressor 2 case thermo operation (Current code / AI-NET) Is case thermo circuit normal? 1. Connector connection 2. Cabling 3. I/F P.C. board (Note 1) Cause of operation 1. Case thermo circuit error 2. I/F P.C. board error 3.…
-
Cause of operation
[H06] / [20] Low-pressure protective operation 1. Service valve close 2. Ps sensor error 3. SV2, SV4 circuit error 4. Miscabling of communication between indoor and outdoor 5. Indoor/outdoor fan and condenser error 6. Indoor/outdoor PMV clogging 7. Indoor/outdoor heat exchanger clogging 8.…
-
Cause of operation
[H07] / [d7] Oil level down detection protection 1. Valves of balance pipes closed. 2. Miscabling or misinstallation of TK1 to TK4 sensors 3. TK1 to TK4 sensor error 4. Gas leak or oil leak of all outdoor units 5. Refrigerant stagnation of compressor case 6. SV3A, 3B, 3D, 3C, 3E valve error 7.…
-
In some cases, it may be difficult to check the leakage of clogging in the following condition of refrigerant stagnation in low ambient temperature condition. In this case, take a longer operating time prior to check. (Criterion: Discharge temperature of TD1 and TD2 are 60°C or higher) (*1) a)…
-
(*3) Check for solenoid valve of outdoor unit (For multiple outdoor unit system)
a) Clogging check for SV3A valve • While outdoor unit is operating, set up SW01/02/03 = [2] [1] [3] to 7-segment display [Hr] [ 2], and push SW04 for 2 seconds or more. • Set up SW02 = [4], and turn on SV3A valve. (7-segment display [Hr] [ 3A]) • If temperature is low at secondary side of the valve…
-
[H08] / [d4]
Oil level detective temperature sensor error (Current code / AI-NET) Cause of operation TK1 to TK4 sensor Open/Short Sub-code: 01: TK1 sensor error 02: TK2 sensor error 03: TK3 sensor error 04: TK4 sensor error The detected error is an oil level detective temperature sensor error. Check…
-
Cause of operation
[H16] / [d7] Oil level detective circuit system error (Sub-code: 02) 1. Detachment of TK2 sensor, miscabling, characteristics error of resistance value 2. Oil-equalization circuit error (Check valve, capillary clogging, strainer clogging) 3. Refrigerant stagnation in compressor shell (Current code /…
-
[H16] / [d7]
(Current code / AI-NET) Cause of operation TK3 temperature detective circuit error 1. Detachment of TK3 sensor, miscabling, characteristics error of resistance value (Sub-code: 03) 2. Error of SV3C valve circuit periphery (Check capillary clogging, strainer clogging) 3. Refrigerant stagnation in…
-
[H16] / [d7]
(Current code / AI-NET) Cause of operation TK4 temperature detective circuit error 1. Detachment of TK4 sensor, miscabling, characteristics error of resistance value (Sub-code: 04) 2. Check clogging and malfunction of SV3E valve circuit. 3. Oil-equalization circuit error (Check capillary clogging…
-
Cause of operation
[L03] / [96] Duplicated indoor header units There were two or more indoor header units in some remote controller group control. (Current code / AI-NET) 1) Check the connection changing of the remote controller after the connection has been changed. 2) If the group configuration and address are…
-
[L06] / [96]
(Current code / AI-NET) Cause of operation Duplicated indoor units with priority Two or more indoor units with priority (Displayed on the indoor unit other than are duplicated. one with priority and on the outdoor unit) Sub-code: No. of indoor units with priority When indoor unit with priority is…
-
[L08] / [99]*
Indoor group / address unset Cause of operation Indoor address unset (Current code / AI-NET) Are powers of all the indoor units turned on? NO Turn on the power of indoor units. YES Disconnect connectors between [U1, U2] and [U3, U4]. Turn on the power of outdoor unit again. Clear addresses. (Refer…
-
Cause of operation
[L10] / [88] Outdoor capacity unset On the outdoor IF P.C. board for service, the model selecting jumper has not been set up so as to match with the model. (Current code / AI-NET) I/F P.C. board A’ssy service for the outdoor unit is common to this series. A setup for model selection different from…
-
Cause of operation
[L29] / [CF] IPDU quantity error 1. Incorrect model setup in service for I/F P.C. board 2. Communication error between IPDU, fan IPDU and I/F 3. IPDU, fan IPDU, I/F P.C. board error (Current code / AI-NET) Sub-code: 01: IPDU1 error 02: IPDU2 error 03: IPDU1, 2 error 04: Fan IPDU error 05: IPDU1, fan…
-
[L30] / [b6]
Interlock in indoor unit from outside (Current code / AI-NET) Is outside device connected to connector CN80? Cause of operation Outside error was input. NO Check indoor P.C. board. Replace Failure NO Check outside device. Failure Replace YES Does outside device correctly operate? YES Check cause of…
-
Cause of operation
[P03] / [1E] Discharge temp TD1 error 1. Service valve of outdoor unit closed 2. Outdoor PMV error 3. TD sensor error 4. Refrigerant shortage, clogging of refrigerant circuit system 5. 4-way valve error 6. SV4 circuit leakage, misinstallation (Current code / AI-NET) Are service valve of gas and…
-
Cause of operation
[P04] / [21] Actuation of high-pressure SW 1. High-pressure SW error 2. Service valve closed 3. Pd sensor error 4. Indoor/outdoor fan error 5. Indoor/outdoor PMV choke 6. Indoor/outdoor heat exchanger clogging, air short circuit 7. SV2 circuit error 8. SV4 circuit error 9. SV5 circuit error 10.…
-
A
C NO ( Is SV4 circuit normal? Repair SV4 circuit. Coil error, clogging, disconnection of wiring, etc. ) YES Refrigerant overcharge, clogging,pipe breakage, abnormal overload condition Heating operation YES Does heating indoor fan normally operate? NO Is indoor PMV normal? NO YES Is connector…
-
[P05] / [AF]
Open phase, negative phase Cause of operation (Current code / AI-NET) 1. Power supply open phase 2. Power supply negative phase • Check the phase power line of outdoor unit. • Check error of outdoor I/F P.C. board. • Check there is no looseness, etc of terminal. Check code name Check code name [P07]…
-
[P12] / [11]
Indoor fan motor error Cause of operation (Current code / AI-NET) 1. Fan motor connector error 2. Fan motor error 3. Indoor P.C. board error 4. Cross-flow fan bearing error Turn off breaker once. Turn on breaker after approx. 10 seconds. Does fan stop under condition of operation stop? NO YES Is…
-
P.C. board
Indoor fan starts rotating by connecting plug socket. CN210 [P.C. board fan motor output voltage (DC) check] 6 Blue 5 Yellow Measure voltage between 3 pin (GND (Minus): Black) and 5 pin (V line (Plus): Yellow) of connector CN210. Yellow 4 White Black 3 Black 2 — Above DC1.0V Below DV1.0V Indoor main…
-
[P15] / [AE]
Gas leak detection TS condition (Sub-code: 01) (Current code / AI-NET) Are service valves at gas and liquid side fully opened? Cause of operation 1. Outdoor unit service valve closed 2. Outdoor PMV error 3. TS1 sensor error 4. Refrigerant shortage, clogging refrigerant circuit 5. 4-way valve error…
-
[P15] / [AE]
Gas leak detection TD condition (Sub-code: 02) (Current code / AI-NET) Are service valves of gas and liquid sides fully opened? Cause of operation 1. Outdoor unit service valve closed 2. Outdoor PMV error 3. TD sensor error 4. SV4 circuit error 5. Refrigerant shortage, clogging refrigerant circuit…
-
Cause of operation
[P17] / [bb] Discharge temp TD2 error 1. Outdoor unit service valve closed 2. Outdoor PMV error 3. TD sensor error 4. Refrigerant shortage, clogging of refrigerant circuit 5. 4-way valve error 6. SV4 circuit leakage, misinstallation (Current code / AI-NET) Are service valves of gas and liquid sides…
-
[P19] / [08]
4-way valve operation error Cause of operation (Current code / AI-NET) 1. 4-way valve error 2. TS1 sensor/TE1 sensor error 3. Pd sensor/Ps sensor error 4. TE sensor/TL sensor misconnection Sub-code: Detected outdoor unit No. NO Is 4-way valve coil connector connected? Correct connector connection.…
-
Cause of operation
[P20] / [22] High-pressure protective operation 1. Pd sensor error 2. Service valve closed. 3. Indoor/outdoor fan error 4. Indoor/outdoor PMV clogging 5. Indoor/outdoor heat exchanger clogging 6. SV2 circuit error 7. SV4 circuit error 8. SV5 circuit error 9. Outdoor I/F P.C. board error 10.…
-
C
Heating operation Is connector connection of indoor heat exchanger fan or fan motor normal? NO Does heating indoor fan normally operate? YES NO YES NO Is indoor PMV normal? Repair faulty parts. YES Is connector connection coil normal? NO Are characteristics of sensor TC2 and TCJ resistance normal?…
-
[P22] / [1A]
Outdoor fan IPDU error (Current code / AI-NET) Sub-code: 0 ∗ : IGBT short circuit 3 ∗ : Motor lock error C∗ : TH sensor error (Heat sink overheat) E ∗ : Vdc error Are cable connector connection on fan IPDU and power P.C. board A’ssy normal? Cause of operation 1. Fan lock 2. Fan IPDU P.C. board error…
-
[P26] / [14]
G-Tr short-circuit protection error (Current code / AI-NET) Cause of operation 1. Outdoor unit power error 2. IPDU error/Cable connection error 3. Compressor error 4. IPDU P.C. board error Sub-code: 01: Compressor 1 side 02: Compressor 2 side NO Correct power line. Is power voltage of outdoor unit…
-
[P29] / [16]
Compressor position detective circuit error (Current code / AI-NET) Cause of operation 1. Cable/connector connection error 2. Compressor error 3. IPDU P.C. board error Sub-code: 01: Compressor 1 side 02: Compressor 2 side NO Are connector connection and wiring normal? Check and correct circuit and…
-
AI-NET communication line error Cause of operation AI-NET communication line error (Current code / AI-NET) Are AI-NET X and Y communication lines normal? NO Correct communication line. YES Are connections of CN01, CN02, and CN03 connectors on network adaptor P.C. board (MCC-1401) and CN309 and CN41…
-
7-5-1. Indoor Unit
-
Central control U3
remote controller (Option) *1 U4 111 Sensor part Indoor fan motor Louver motor LED Sensor display P.C. board (MCC-819) Indoor unit #1 DC280V Power circuit Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Driver CPU B HA TCJ sensor TC sensor TA sensor EEPROM Power circuit Outdoor unit 2 1…
-
Central control U3
remote controller (Option) *1 U4 Sensor part 112 Indoor fan motor Louver motor LED Sensor display P.C. board (MCC-819) Indoor unit #1 DC280V Power circuit Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Driver CPU H8/3039 Remote controller communication circuit B HA TCJ sensor TC sensor…
-
9. HOW TO REPLACE MAIN PARTS
9-1. Indoor Unit No. Part name Procedure Q Front panel 1) Stop operation of the air conditioner, and then pull out the power supply plug from the plug socket. 2) Open the suction grille, and then take off fixing screws of the front panel (4 pcs.). 3) Push the electric parts box with right thumb…
-
Part name
Procedure S PMV motor <Caution in works> Use spanners to remove PMV motor. As the pipes are deformed, do not use monkey spanners. When there is 100 to the ceiling, use a spanner below mm.) Remarks Screw at PMV main unit side (14mm spanner) Screw at PMV motor side (19mm spanner) 1) Perform work of…
-
U
Part name Procedure Heat exchanger 1) Perform work of item R. 2) Remove the pipe holder from the rear side of the main unit. 3) Take off fixing screws (2 pcs.) at the left side of the end plate of the heat exchanger. 4) Take off fixing screws (2 pcs.) at the right side of the heat exchanger. Remarks…
-
W
Part name Fan motor Procedure Remarks 1) Perform work of item R. 2) Perform work of item T. 3) Loosen the set screw of the cross-flow fan from the discharge port. 4) Take off fixing screws (2 pcs) to remove the motor band (Right). 5) Pull out the fan motor outward. Assemble the fan motor as shown…
-
Part name
Procedure X Cross-flow fan 6) Slide the fan motor rightward to remove it. 7) Take off fixing screws (2 pcs.) from fixing support at right side of the heat exchanger. 8) Lift up the left side of the heat exchanger toward you, and then remove the crossflow fan. Remarks <Caution to reassembling> a)…
-
Model type P.C. board model Label display on P.C. board MMK-AP✻✻✻ ✻✻✻ 2H series MCC-1510 04DD M01 [Requirement when replacing the service indoor P.C. board assembly] In the non-volatile memory (Hereinafter said EEPROM, IC10) installed on the indoor P.C. board before replacement, the type and…
-
2. Every pushing
UNIT [UNIT] button, the indoor unit address in the group are displayed successively. 2 Specify the indoor unit No. to be replaced. 3. Using the set temperature / buttons, the item code (DN) can be moved up and down one by one. 3 4. First change the item code (DN) from to . (Setting of filter sign…
-
C) In case that power of the indoor units cannot be turned in individually. (Case 2 )
a) Remove all CN41 connectors of the indoor units in the same group except those of the exchanged indoor unit. b) Turn on power of the indoor units and proceed to H3. ∗ After H3 operation has finished, be sure to return the temporarily removed group wire or CN41 connector to the original connection.…
-
H3 3 Writing of the setup contents to EEPROM
(The contents of EEPROM installed on the service P.C. board have been set up at shipment from the factory.) 1. Push SET , CL and buttons of the remote controller at the same time for 4 seconds or more. 1 (Corresponded with No. in Remote controller as shown below picture) (The UNIT No. is displayed.)…
-
Item code table (Please record the objective unit data at field)
DN Item Memo 01 Filter sign lighting time 0001: 150 hour 02 Dirty state of filter 0000: Standard 03 Central control address 0099: Unfixed 06 Heating suction temp shift 0002: +2°C 0C PRE-DEF indication selection 0000: Standard 0d Cooling auto mode existence 0F Cooling only 0001: No auto mode…
-
11. EXPLODED VIEWS AND PARTS LIST
-
TC2, TCJ
-
TOSHIBA CARRIER CORPORATION
Схемы, таблицы и рисунки — в просмотре документа выше. Клик по номеру страницы открывает её в просмотре.