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

FILE NO. A06-016

SERVICE MANUAL FRESH AIR INTAKE INDOOR UNIT for S-MMS INDOOR UNIT MMD-AP0481HFE MMD-AP0721HFE MMD-AP0961HFE OUTDOOR UNIT • For Service Manual of S-MMS and outdoor unit, refer to the Service Manual (File No. A03-009, A03-010). R410A PRINTED IN JAPAN, Jun,2007 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 (Indications/Illustrated marks), and keep them. [Explanation of indications]…

Check earth wires

Before troubleshooting or repair work, check the earth wire is connected to the earth terminals of the main unit, otherwise an electric shock is caused when a leak occurs. If the earth wire is not correctly connected, contact an electric engineer for rework. Do not modify the products. Do not also…

Insulator check

After the work has finished, be sure to use an insulation tester set (500V mugger) to Ω or more between the charge section and the non-charge check the resistance is 2MΩ metal section (Earth position). If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s…

This air conditiner 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 been…

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…

1. OUTLINE OF FRESH AIR INTAKE INDOOR UNIT

• Type: Concealed Duct High Static Pressure type Three models (5HP, 8HP, 10HP) are prepared. • Connectable outdoor unit Three series (MMY-APXXXXT8, APXXXXHT8, APXXXXHT7) of Cooling only and Heat pump super modular multi type outdoor unit • Corresponding system Corresponds to a system in which there…

1-1. S-MMS System Specifications to Connect Fresh Air Intake Indoor Unit

1-1-1. Combination Conditions The fresh air intake indoor unit is connectable to S-MMS (Super Modular Multi system). However this is not connectable to S-HRM (Super Heat Recovery Multi system). OK 0.5m or less 80 to 100% to capacity of the outdoor units Up to two fresh air intake indoor units occupy…

Super Module Multi System (S-MMS) Cooling only and Heat pump series Super heat recovery multi and Mini-SMMS cannot be connected. n Range of combination • The total capacity of the indoor air conditioners and the fresh air intake indoor units is restricted 80% to 100% against the capacity of the…

2. SPECIFICATIONS

2-1. Fresh Air Intake Indoor Unit for S-MMS MMD- AP0481HFE AP0721HFE AP0961HFE Cooling capacity (kW) 14 22.4 28.0 Heating capacity (kW) 8.9 13.9 17.4 Model Indoor unit Power supply Single phase 230V (220 – 240V) 50Hz / 220V 60Hz Running current Cooling Electrical characteristics Heating Appearance…

3. SPECIFICATIONS OF ELECTRICAL PARTS

3-1. Fresh Air Intake Indoor Unit for S-MMS MMD-AP0481HFE, MMD-AP0721HFE, MMD-AP0961HFE Model MMD-AP0481HFE Fan motor Running capacitor for fan motor MMD-AP0721HFE, MMD-AP0961HFE STF200-160-4AR 400V 6µF 400V 4µF Transformer TA sensor TT13 Lead wire length: 1200mm TF sensor Lead wire length: 818mm…

4. OWNER’S MANUAL

PARTS NAME Fresh air Intake indoor unit MMD-AP0481HFE, MMD-AP0721HFE, MMD-AP0961HFE Air intake port Air supply port Intakes the fresh air with the inlet flange. Cools/heats the fresh air and sends it into the room with the air supply flange. Air supply sensor Drain pan Earth screw It is included in…

PARTS NAME OF REMOTE CONTROLLER

This remote controller can singly operate maximum 8 indoor units. However one remote controller cannot operate the fresh air intake indoor unit air conditioner together with the indoor units for air conditioner. If the operation contents have been set up once, the air conditioner can be operated…

Operation section

Push each button to select a desired operation. • The details of the operation needs to be set up once, the same states are used by pushing button. ON / OFF 1 8 TEMP. FILTER RESET TEST ON / OFF TIMER SET FAN MODE TIME SWING/FIX VENT SET CL 3 UNIT Fan mode button 7 SWING/FIX button The fresh air…

CORRECT USAGE

When you use the air conditioner for the first time or when you change SET DATA value, follow the procedure below. From the next time, the operation will start as set state by pushing the ON / OFF button. Preparation Turn on the main power switch and/or the leakage breaker. • When the power supply…

Operation mode and Function

COOL : Cools the fresh air and sends it into the room HEAT : Heats the fresh air and sends it into the room FAN : Sends the fresh air as it is • The air conditioner with the fresh air intake indoor unit controls temperature of the supply air so that it is close to the setup temperature of the remote…

TIMER OPERATION

A type of timer operation can be selected from the following three types. OFF timer : The operation stops after the set time has passed. Repeat OFF timer : Every time, the operation stops after the set time has passed. ON timer : The operation starts after the set time has passed. Timer operation…

5. INSTALLATION MANUAL

Accessory parts and Parts to be procured locally H Accessory parts Part name Q’ty Shape Installation Manual 1 This manual Heat insulator Usage (Be sure to hand over to customers) 1 For heat insulation of Gas pipe connecting section 1 For heat insulation of Liquid pipe connecting section 4 For heat…

1 PRECAUTIONS FOR SAFETY

WARNING • Ask an authorized dealer or qualified installation professional to install/maintain the air conditioner. Inappropriate installation may result in water leakage, electric shock or fire. • Turn off the main power supply switch or breaker before attempting any electrical work. Make sure all…

2 SYSTEM CONTROL OF FRESH AIR INTAKE INDOOR UNIT

System able to be combined The fresh air intake indoor unit is connectable to S-MMS (Super Modular Multi system). However this is not connectable to S-HRM (Super Heat Recovery Multi system and Mini-SMMS). OK 0.5m or less 80 to 100% to capacity of the outdoor units Up to two fresh air intake indoor…

3 SELECTION OF INSTALLATION PLACE

WARNING • Install the air conditioner at enough strong place to withstand the weight of the unit. If the strength is not enough, the unit may fall down resulting in injury. • Install the air conditioner at a height 2.5m or more from the floor. If you insert your hands or others directly into the…

Installation space

Keep the space necessary for installation and service. REQUIREMENT 1. Before installation of the unit, mount the accessories sold separately (Drain-up kit, etc.) to the unit. In addition to the air inlet panel, set also the check port at the side face. 2. The check port should be 600 × 600mm. 200mm…

4 INSTALLATION OF INDOOR UNIT

WARNING Install the air conditioner certainly to sufficiently withstand the weight. If the strength is insufficient, the unit may fall down resulting in human injury. Perform a specified installation work to guard against strong wind or earthquake. An incomplete installation can cause accidents by…

Installation of hanging bolt

Use M10 hanging bolts (4 pcs, to be local procure). Matching to the existing structure, set pitch according to size in the unit external view as shown below. New concrete slab Install the bolts with insert brackets or anchor bolts. Steel flame structure Existing concrete slab Use existing angles or…

4 INSTALLATION OF INDOOR UNIT

Installation of indoor unit Thermal insulation 1. Install temporarily the indoor unit. • Attach the hanging bracket to the hanging bolt. Be sure to fix the hanging bracket from both up and down sides of the hanging bracket by using the nuts (M10 procured locally) and the washer. 2. Using nut, adjust…

5 DUCT WORK

CAUTION Be sure to apply heat insulation to the duct to prevent dewy condition. If there is an incomplete duct work, the water leakage into the room may happen. REQUIREMENT • In order to prevent short circuits, design the duct work so that the intake and discharge openings are not adjacent to each…

5 DUCT WORK

Connecting flange Refer to size in the figure attached to the main unit. <MMD-AP0481HFE> <MMD-AP0721HFE, AP0961HFE> <Air supply port connecting flange> <Air supply port connecting flange> 1130 8-Ø8 hole <Air inlet port connecting flange> 1130 6-Ø8 hole 1080 10-Ø8 hole <Air inlet port connecting…

<Procured locally/Construction>

Air supply duct ∗1 Air supply flange Air inlet flange High-performance filter Pre-filter Heat insulator ∗1 Air inlet duct ∗1 Descending inclination Heat insulator ∗1 Canvas duct ∗1 Product main unit (Sold separately) Filter chamber Hood (with wire netting) ∗1 Canvas duct ∗1 Check port (600 × 600) ∗1…

6 DRAIN PIPING WORK

CAUTION • Following the Installation Manual, perform the drain piping work so that water is properly drained, and apply a heat insulating so as not to cause a dewing. Inappropriate piping work may result in water leakage in the room and wet of furniture. REQUIREMENT • The draining method is a…

7 REFRIGERANT PIPING

WARNING • If refrigerant gas has leaked during the installation work, ventilate the room immediately. • If the leaked refrigerant gas comes in contact with fire, noxious gas may generate. • After the installation work, confirm that refrigerant gas does not leak. • If refrigerant gas leaks into the…

7 REFRIGERANT PIPING

• Projection margin in flaring : B (Unit : mm) B For airtight test, air purge, addition of refrigerant, and gas leak check, follow the Installation Manual attached to the outdoor unit. Rigid (Clutch type) Outer diam. of copper pipe Airtight test/Air purge, etc. Conventional tool used R410A tool used…

8 ELECTRIC WORK

WARNING 1. Using the specified wires, ensure to connect the wires, and fix wires securely so that the external strength of the wires do not transmit to the connecting part of the terminals. Incomplete connection or fixation may cause a fire, etc. 2. Be sure to connect earth wire. (Grounding work) Do…

8 ELECTRIC WORK

Specifications Power supply cord and communication wires are procured locally. For the power supply specifications, follow to the table below. If capacity is little, it is dangerous because overheat or seizure may be caused. For specifications of the power capacity of the outdoor unit and the power…

Wiring the indoor unit

Be sure to connect the wire while matching the terminal numbers. Incorrect connection causes a trouble. <MMD-AP0481HFE> <MMD-AP0721HFE, AP0961HFE> U1 U2 A B U1 U2 A B R(L) S(N) R(L) S(N) R(L) S(N) Earth line Connecting cable <Wiring diagram> Remote controller wiring Terminal block for remote…

9 APPLICABLE CONTROLS

NOTIFICATION When using the equipment at the first time, it will take a lot of time that the remote controller accepts an operation after power was on. However, it is not a trouble. • Automatic address • While automatic addressing, the operation cannot be performed on the remote controller. • For…

Change of lighting term of filter sign

According to the installation condition, the lighting term of the filter sign (Notification of filter cleaning) can be changed. Follow to the basic operation procedure (1 → 2 → 3 → 4 → 5 → 6 ). • For the item code in Procedure 3 , specify [01]. • For the [Set data] in Procedure 4 , select the setup…

Fan Characteristics

REQUIREMENT Set a volume damper to the air supply duct, and then adjust the air volume so that it is kept in the range of 70 to 110% against the standard air volume. <MMD-AP0481HFE> (Standard air volume: 1080m3/h, Lower limit air volume: 756m3/h, Upper limit air volume: 1188m3/h) 2.0 2.0 Motor…

2.0 Motor current for fan (A) 60Hz, 220V Motor current for fan (A) 50Hz, 240V High static pressure tap 1.5 1.0 Mid static pressure tap Low static pressure tap 0.5 350 High static pressure tap 1.5 1.0 Mid static pressure tap Low static pressure tap 0.5 350 High static pressure tap 300 High static…

<MMD-AP0721HFE>

(Standard air volume: 1680m3/h, Lower limit air volume: 1176m3/h, Upper limit air volume: 1848m3/h) 3.0 3.0 Motor current for fan (A) 50Hz, 230V Motor current for fan (A) 50Hz, 220V High static pressure tap 2.5 2.0 Low static pressure tap Mid static pressure tap 1.5 High static pressure tap 2.5 2.0…

3.0 High static pressure tap 2.5 Mid static pressure tap 2.0 Low static pressure tap 1.5 High static pressure tap 2.5 Low static pressure tap 1.5 High static pressure tap Mid static pressure tap 200 150 Low static pressure tap 100 50 Mid static pressure tap 2.0 350 External static pressure (Pa)…

<MMD-AP0961HFE>

(Standard air volume: 2100m3/h, Lower limit air volume: 1470m3/h, Upper limit air volume: 2310m3/h) 3.5 3.5 High static pressure tap 3.0 Mid static pressure tap 2.5 Low static pressure tap 2.0 High static pressure tap 3.0 Low static pressure tap 2.0 High static pressure tap High static pressure tap…

3.5 Motor current for fan (A) 60Hz, 220V Motor current for fan (A) 50Hz, 240V High static pressure tap 3.0 Mid static pressure tap 2.5 Low static pressure tap 2.0 350 High static pressure tap 3.0 2.5 2.0 Mid static pressure tap Low static pressure tap 350 300 High static pressure tap 300 External…

Wire connection change for fan motor

The motor wires for the fan have been connected to F2 at shipment from the factory. Change the wire connection if change of the external static pressure is required due to the duct resistance. <MMD-AP0481HFE> F1 Control P.C. board Black Fan motor Blue FM Orange Electric parts box F2 F3 F4 4P…

11 TEST RUN

Before test operation WARNING • Before turning on the power supply, carry out the following items. To protect the compressor at 1) Using 500V-megger, check there is 1MΩ or more between the starting time, keep power-ON terminal block of the power supply and the earth. If 1MΩ or less condition before…

12 TROUBLESHOOTING

Confirmation and check When a trouble occurred in the air conditioner, the check code and the indoor unit No. appear on the display part of the remote controller. The check code is only displayed during the operation. If the display disappears, operate the air conditioner according to the following…

New check code

1. Difference between the new check code and the current system The displaying method of the check code changes in this model and after. New check code Check code in current system Used characters Hexadecimal notation, 2 digits Alphabet + Decimal notation, 2 digits Characteristics of code…

6. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

6-1. Fresh Air Intake Indoor Unit for S-MMS 1328 Long hole for M10 hanging bolt Type Hole dia.-Width x Length 1288 (Hanging bolt pitch) 0481 4-Ø 12 × 40 1262 0721, 0961 4-Ø 12 × 92 B (Hanging bolt pitch) A Space necessary for service Over 200 X Service space 100 (185) (65) Check port (600 ) 600 Work…

7. WIRING DIAGRAM

7-1. Fresh Air Intake Indoor Unit for S-MMS MMD-AP0481HFE 8 WHI 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 CN304 (GRY)…

MMD-AP0721HFE, 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 TA RED RY006 CN304 (GRY) 1 1 RY002…

8. REFRIGERATING CYCLE DIAGRAM

8-1. Fresh Air Intake Indoor Unit for S-MMS Liquid side Gas side Sensor (TF) Strainer Capillary tube Air heat exchanger at indoor side Pulse Motor Valve (PMV) Sensor (TCJ) Sensor (TC2) Fan Sensor (TC1) Sensor (TA) Functional part name Pulse motor valve Temperature sensor M Fan motor Function outline…

9. CONTROL OUTLINE

9-1. Control Specifications No. Item Outline of specifications 1 When power supply is reset 1) Distinction of outdoor units When the power supply is reset, the outdoor units are distinguished, and control is selected according to the distinguished result. 2) If the power supply is reset while a…

Fan control 1) On the fresh air intake indoor unit, HH tap only is provided. 2) For 1 minute after operation start, the forced fan OFF control is invalid. 3) There is no cool air discharge preventive control. 4) When refrigerant is recovered while cooling or fan operation is selected, and when…

Remarks

No. Item Outline of specifications 9 Freeze preventive control (Low temperature release) 1) The cooling operation is performed as follows based on the detected temperature of TC1 sensor, TC2 sensor and TCJ sensor. • When [J] zone is detected for 5 minutes, thermostat is forcedly off. • In [K] zone…

10 Drain-up kit

(Separately sold kit) Outline of specifications Remarks 1) In cooling operation (including Dry operation), the drain pump is usually operated. 2) If the float switch operates while drain pump operates, the compressor stops, the drain pump continues the operation, and a check code is output. 3) If…

Outline of specifications

Remarks 16 [Operation stand-by] <Ready stand-by>: displayed on the remote control[Heating stand-by] ler. display 1) When the following check codes are indicated. • There is an indoor air conditioner which detected indoor overflow [P10]. • There is an indoor air conditioner which detected interlock…

Optional power supply AC fan output TF sensor TA sensor Outside error input TCJ sensor DISP CHK Used for servicing * 1 2-way Air discharge cassette, 1-way Air discharge cassette, Floor standing only. TC2 sensor Remote controller inter-unit wire Optional output HA (T10) Remote controller power supply…

10-2. Indoor P.C. Board Optional Connector Specifications

Function Ventilation output HA Connector No. Pin No. CN032 DC12V Output Start/Stop input 0V (COM) RBC-AMT31E, RC-AS21E2 prohibition input Operation stop of RBC-AMT31E is allowed / prohibited by input. Operation output ON during operation (Answer back of HA) CN061 Specifications Remarks…

10-3. Function during Test Operation

n Cooling / Heating Test Operation Check The test operation for cooling/heating operation can be performed from either indoor remote controller or outdoor interface P.C. board. 1. Start / Stop operation of test operation • Test operation from indoor remote controller TEMP. FILTER RESET TEST 1, 5 ON…

n Operation Check Function for Indoor Air Conditioner

(Function at Indoor Air Conditioner Side) This function is to check the operation by the indoor air conditioner singly without communication with the remote controller or outdoor unit. This function is available regardless of system-ON or system-OFF. However a trouble of the equipment may be caused…

10-4. Function Selection Setting for Indoor Air Conditioner

(For setup, be sure to use a wired remote controller) <Procedure> Select a function while the air conditioner stops by RBC-AMT31E only. CODE No. SET DATA SETTING UNIT No. R.C. No. TEMP. FILTER RESET TEST ON / OFF TIMER SET FAN MODE TIME SWING/FIX VENT SET CL 4 UNIT 1 2 <Operation procedure> 1 ð 2 ð…

Function Select Item No. (DN) Table

(Indicates items necessary to perform the applicable control at local site) DN Item Contents 0001: 150H 0003: 5000H At shipment from factory 01 Filter sign lighting time 0000: None 0002: 2500H 0004: 10000H 02 Filter dirty degree 0000: Standard 0001: Heavy dirt (Half of standard time) 0000: Standard…

10-5. Applicable Control of Indoor Air Conditioner

n Control system using the remote control interface (TCB-IFCB4E) [Wiring and Setting] • In case of a group control, the system operates by connecting with any indoor air conditioner (Control P.C. board) in the group. However, when taking out operation error signal from the other air conditioners…

n Operation of ventilating fan from remote controller

[Function] • Total enthalpy heat exchanger and ventilating fan can be mounted in the system and they can be started / stopped from a wired remote controller. • Operation of the ventilating fan is available even if the indoor air conditioner does not operate. • Use a ventilating fan which can receive…

n Leaving-on prevention control

[Function] • This control controls the indoor air conditioner singly. The wire is connected to the control P.C. board of the indoor air conditioner. • In group control, the wire is connected to the indoor air conditioner (Control P.C. board) and set the item code - to the connected indoor air…

n Setting of indoor air conditioner in “Specific indoor air conditioner priority” mode

Change the setting during stop of the system. (Be sure that setting is performed during stop of the system.) CODE No. SET DATA SETTING UNIT No. R.C. No. TEMP. FILTER RESET TEST ON / OFF TIMER SET FAN MODE TIME SWING/FIX VENT SET CL 4 UNIT 1 2 Procedure Operation contents SET CL TEST 1 Push + +…

n Monitor function of remote controller switch

Model: When using a remote controller RBC-AMT31E, the following monitor function is utilized. Calling of display <Contents> Call the service monitor mode from the remote controller. The sensor temperature or operation status of each remote controller, indoor air conditioner and outdoor unit can be…

11. TROUBLE DIAGNOSES

11-1. Summary of trouble diagnoses 1. Before trouble diagnoses a) Applicable models All the super module multi models (Fresh air intake indoor unit: MMD-APXXXHFE, Outdoor unit: MMY-APXXXT8, MMY-APXXXHT7) b) Required tools / measuring instruments • + , – screwdrivers, spanner, radio pincher, nipper…

11-2. Checking Method

On the remote controller (Handy type, For Central control) and the interface P.C. board of the outdoor unit, LCD display part (Remote controller) to display the operation status or 7-segment display part (On the outdoor interface P.C. board) is provided. Using this self-diagnosis function, the…

Check code display list (Outdoor unit)

Check code display Outdoor 7-segment Sub-code E06 E07 No. of indoor units of normal reception — TCC-LINK central & Remote controller Representative defective position Error contents E06 Decrease of indoor units There is no communication from indoor unit. (Decrease of connected indoor units) (E04)…

Check code display

Outdoor 7-segment Representative defective position Error contents Sub-code TCC-LINK central & Remote controller L04 — L04 Duplication of outdoor line addresses Line address setup is duplicated against outdoor unit in different refrigerant pipe line. L05 No. of indoor units with priority ([L05/L06]…

11-3. Trouble Diagnoses by Check Display of the Remote Controller

In case of main remote controller (RBC-AMT31E) 1. Confirmation and check CODE No. When a trouble occurred on the air conditioner, the check code and the indoor air conditioner No. are displayed on the display part of the remote controller. The check code is displayed during operation only. If the…

In case of TCC-LINK central control remote controller (TCB-SC642TL)

ZONE ALL ZONE GROUP CODE No. 1234 SET DATA SETTING UNIT No. R.C. 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 air conditioner No. are displayed on the display part of the remote controller. The check code is…

11-4. Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit

(7-Segment Display of Interface) Check code Detected position – 75 – Check code name Status Error detection condition Remote controller Communication error between indoor and remote controller (Detected at remote controller side) Corresponding unit only stops. Communication interrupted between…

Main remote

controller Check code Sub-code E12 E12 E15 E15 E16 E16 01: Indoor/outdoor communication 02: Between outdoors communication Detected position Check code name Status Error detection condition Check item (position) I/F Automatic address start error All stop • When indoor automatic address started…

position

Check code name Status I/F Duplicated outdoor terminal address setup All stop Outdoor addresses manually set up are duplicated. Note) Do not set up the outdoor address manually. No. of normally received outdoor units I/F Decreased number of connected outdoor units All stop The signal was not…

position

Status Check code name Error detection condition Check item (position) – 78 – Main remote controller Check code Sub-code F07 F07 — I/F TL sensor error All stop • Resistance value of sensor is infinite or zero (Open/Short). • Check connection of TL sensor connector. • Check characteristics of TL…

position

Check code name Status 01: Compressor 1 side 02: Compressor 2 side IPDU Compressor breakdown All stop Inverter current detection circuit detected over-current and stopped. • Check power voltage. (AC220–240V ± 10%). • Check compressor error. • Check cause of abnormal overload operation. • Check…

Main remote

controller Check code H08 H08 Detected position Check code name Status Error detection condition I/F Oil level detective temp sensor error All stop • Resistance value of sensor is infinite or zero. (Open/Short) • Check connection of TK1 sensor connector. • Check characteristics of TK1 sensor…

position

Check code name — Indoor L04 — L05 — — L06 L06 L07 — L08 L08 Status Error detection condition Duplicated indoor center units Corresponding unit only stops. There are multiple center units in a group. • Check indoor address. • Check the change of remote controller connection (Group/individual) after…

position

Check code name Status Error detection condition Check item (position) Main remote controller Check code Sub-code P01 — — Indoor P03 P03 — I/F Discharge temp TD1 error All stop Discharge temp (TD1) exceeded 115°C. • Check full opening of outdoor service valves (Gas side, Liquid side). • Check…

Main remote

controller Check code P13 P13 Detected position Check code name Status Error detection condition All stop <In cooling> While the system is operating in COOL mode, a high pressure value was detected in follower unit in which compressor did not operate. — I/F Outdoor liquid back detection error <In…

Main remote

controller Check code Sub-code P22 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 Check code name Status Error detection condition FAN-IPDU Outdoor fan IPDU error All stop…

Error detected by TCC-LINK central control device

Check code Check code C05 — C06 — C12 — P30 Status TCC-LINK TCC-LINK central control device transmission error Operation continued. Signal is not transmit from central control device. • Check central control device error. • Check communication line error of central control device. • Check setup of…

11-5. Sensor Characteristics

12. REPLACEMENT OF FAN ASSEMBLY

1 Remove the electric parts box cover. Take off M4 screws (2 positions). Electric parts box cover Fan assembly 1) The model in the left photo is AP0721, AP0961 types. 2) The one fan is provided to AP0481 type, two are provided to AP0721, AP0961 types, respectively. AP0481 type has the same…

3 Take off eight M5 screws from the cabinet and then put them on the electric parts

box. Take off M5 screws (8 positions). Remove the cover plate. Cover plate Take off the self tapping M4 screws (3 positions). Removed status 4 Pull out the fan toward you. Take off the self tapping M4 screws (3 positions). Status which all the fan assembly are pulled out. – 88 – Pull out the fan…

5 Remove the fan assembly from the air intake unit

Fan motor Fan case, Fan Motor base Relay terminal block cover, there is the relay terminal block inside of it. 6 Replacement of fan and fan motor Remove the relay terminal block cover. Remove the earth screw. Remove the connector and Faston terminal. – 89 –

7 Remove the fan motor assembly from the fan assembly

Take off M4 screws (2 positions). Z view Z view Take off M4 screws (2 positions). Take off M4 screws (2 positions). Take off M8 screws (4 positions) mounting the motor base. – 90 –

8 Remove parts to be replaced from the fan motor assembly

Take off M4 screws (4 positions) from the bell mouth. Remove the fan Loosen the setscrews. When replacing the fan motor, set it so that the model name label directs upward. Replace the fan motor with a new one. Fixing bracket Motor base Loosen M4 screws (2 positions) of the tightening band, remove…

13. P.C. BOARD REPLACING PROCEDURES

Part code Applicable Model P.C. board Model Label on P.C. board 431-6V-343 MMD-AP∗∗∗HFE series MCC-1403 03RD M02 <Set the type code and capacity code and then set DN [C8] = [ 0001 ].> Notice when assembling P.C. board for indoor service Before replacement, in the non-volatile memory (Hereinafter…

✻1 Read-out operation of setting contents from EEPROM

(The other EEPROM contents of which settings were changed at local site than setting at shipment from factory are read out.) 1) Push SET + CL + TEST buttons concurrently for 4 seconds or more on the remote controller. 1 (Corresponded to numbers in p.94. Remote controller operation diagram) • In case…

✻3 Write-in operation of setting contents to EEPROM

(EEPROM setting contents mounted on the service P.C. board are those at shipment from factory.) 1) Push SET + CL + TEST buttons concurrently for 4 seconds or more on the remote controller. 1 (Corresponded to numbers in p.94. Remote controller operation diagram) ( ALL is displayed for UNIT No.) In…

Setting contents note (Item code table (Example))

DN Item Contents memo At shipment from factory 01 Filter sign lighting time 0002: 2500 hours 02 Filter dirty degree 0000: Standard 03 Central control address 0099: Undefined 06 Heating suction temp shift 0000: 0°C 0d Existence of automatic cooling/heating mode 0001: No automatic mode 0F Cooling only…

14. EXPLODED VIEWS AND PARTS LIST

14-1. Fresh Air Intake Indoor Unit for S-MMS MMD-AP0481HFE 227 221, AP0481HFE TEST ßC SETTING CODE No. SuMoTu WeTh Fr Sa SET DATA SETTING TEST H UNIT No. PROGRAM1 R.C. PROGRAM2 No. ERROR PROGRAM3 TEMP. ON / OFF WEEKLY TIMER FILTER RESET TEST TIMER SET FAN MODE TIME SWING/FIX VENT SET CL UNIT…

MMD-AP0721HFE, MMD-AP0961HFE

221, AP0721, AP0961HFE TEST ßC SETTING CODE No. SuMoTu WeTh Fr Sa SET DATA SETTING TEST H UNIT No. PROGRAM1 R.C. PROGRAM2 No. ERROR PROGRAM3 TEMP. ON / OFF WEEKLY TIMER FILTER RESET TEST TIMER SET FAN MODE TIME SWING/FIX VENT SET CL UNIT Location No. Part No. Description MMD-AP0721HFE MMD-AP0961HFE…

231 216, 217 236, 237 203, 204 223, 224, AP0481HFE AP0721HFE AP0961HFE 210, 211, 212, 213, 214, 205, 206 Location No. Part No. MMDAP0481HFE MMDAP0721HFE MMDAP0961HFE 202 43146707 Motor, PMV, EDM-MD12TF-3 43146723 Body, PMV 1 — — 204 43146729 Body, PMV — 4314J373 Evaporator Ass’y 1 — — Description…

WARNINGS ON REFRIGERANT LEAKAGE

Important Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A which is used in the air conditioner is safe, without the toxicity…

TOSHIBA CARRIER CORPORATION

Инструкция на Мультизональные VRF системы Toshiba (сервис-мануалы)

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