Carrier 42TGF0131BP Service Manual
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Carrier 42TGF0131BP Service Manual

Carrier 42TGF0131BP Service Manual

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SERVICE MANUAL
INDOOR UNIT
Concealed Duct Type
42TGF0131BP
42TGF0181BP
42TGF0241BP
42TGF0301BP
42TGF0361BP
42TGF0401BP
42TGF0481BP
42TGF0601BP
R32
AIR-CONDITIONER
FILE NO. SVM-21044
(SPLIT TYPE)
April, 2021

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  • Page 1 FILE NO. SVM-21044 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) INDOOR UNIT Concealed Duct Type 42TGF0131BP 42TGF0181BP 42TGF0241BP 42TGF0301BP 42TGF0361BP 42TGF0401BP 42TGF0481BP 42TGF0601BP April, 2021...

  • Page 2: Table Of Contents

    Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC (R32) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person do it.
  • Page 3 7. INDOOR CONTROL CIRCUIT ..............33 8. OUTLINE OF SPECIFICATION..............34 8-1. Control Specification ..................34 8-2. Indoor P.C. Board Optional Connector Specifications ........39 8-3. Indoor Print Circuit ....................40 9. TROUBLESHOOTING ................41 9-1. Summary of Troubleshooting ................41 9-2.

  • Page 4: Safety Caution

    Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
  • Page 5 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 in the table below.
  • Page 6 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 Description WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD...
  • Page 7 Precaution 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 to the OFF position. Otherwise, electric shocks may result. Before opening the intake grille of the indoor unit or service panel or valve cover of the outdoor unit, set the circuit breaker to the OFF position.
  • Page 8 WARNING Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws. Use of wiring which does not meet the specifications may give rise to electric shocks, electrical leakage, smoking and/or a fire. The appliance shall be installed in accordance with national wiring regulations.
  • Page 9 The refrigerant used by this air conditioner is the R32. Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R32 refrigerant, the refrigerant name is indicated at a position on the outdoor unit where is easy to see.
  • Page 10 Once the repair work has been completed, check for refrigerant leaks, and check the insulation resistance and water drainage. Then perform a trial run to check that the air conditioner is running properly. After repair work has finished, check there is no trouble. If check is not executed, a fire, electric shock or injury may be caused.
  • Page 11 Refrigerant (R32) This air conditioner adopts HFC type refrigerant (R32) which does not deplete the ozone layer. 1. Safety Caution Concerned to Refrigerant The pressure of R32 is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also changed. Therefore, be sure that water, dust, the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with refrigerant during installation work or service work.
  • Page 12 4. Tools 1. Required Tools for R32 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 R32 (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R32, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R32 and for conventional refrigerant (R22) The table below shows the tools exclusive for R32 and their interchangeability.

  • Page 13: Specifications

    1. SPECIFICATIONS 1-1. Indoor Unit <Single type> Indoor unit 42TGF0131BP 42TGF0181BP 42TGF0241BP Models Outdoor unit 38TGF0131A1 38TGF0181A1 38TGF0241A1 Cooling capacity (kW) 3.90 5.50 7.10 Indoor unit 1 Phase, 220V~50Hz. (supplied by outdoor unit) Power supply Outdoor unit 1 Phase, 220V~50Hz.
  • Page 14 Indoor unit 42TGF0301BP 42TGF0361BP Models Outdoor unit 38TGF0301A1 38TGF0361A1 Cooling capacity (kW) 8.80 10.6 Indoor unit 1 Phase, 220V~50Hz. (supplied by outdoor unit) Power supply Outdoor unit 1 Phase, 220V~50Hz. Running current 12.5 16.0 Power consumption (kW) 2.65 3.41 Electrical characteristics Power factor 3.32 3.11...
  • Page 15 Indoor unit 42TGF0361BP 42TGF0481BP 42TGF0601BP Models Outdoor unit 38TGF0361A3 38TGF0481A3 38TGF0601A3 Cooling capacity (kW) 10.6 15.6 17.5 Indoor unit 1 Phase, 220V~50Hz. (supplied by outdoor unit) Power supply outdoor unit 3 Phase, 380V~50Hz. Running current 5.50 10.20 9.70 Power consumption (kW) 3.41 5.80...

  • Page 16: Indoor Unit Static Pressure Characteristic

    1-2. Indoor Unit Static Pressure Characteristics 0131, 0181 type 0241, 0301 type Standard air volume: 800 m Standard air volume: 1200 m Lower limit of external Lower limit of external static pressure (120 Pa) static pressure (120 Pa) High (120 Pa) Upper limit of Upper limit of external static...

  • Page 17: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) Indoor Unit Hanging bolt pitch B Main unit dimension A Hanging bolt pitch 650 External dimensions of flange C 187.5 Drain pan / Drain Electrical pump check cover control box Air flow direction discharge Dimension 42TGF 0131BP, 0181BP 0241BP, 0301BP...
  • Page 18 42TGF0131BP, 42TGF0181BP 42TGF0241BP, 42TGF0301BP <Under air intake> <Under air intake> 959.4 659.4 37.5 37.5 37.5 37.5 <Back air intake> <Back air intake> 37.5 37.5 87.5 87.5 42TGF0361BP, 42TGF0401BP, 42TGF0481BP, 42TGF0601BP 1359.4 37.5 37.5 <Back air intake> 1360 37.5 37.5 1375...

  • Page 19: Systematic Refrigerating Cycle Diagram

    3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM Indoor Unit • Single type (Combination of 1 indoor unit and 1 outdoor unit) (Indoor unit) Distributor (Strainer incorporated) TCJ sensor Strainer Air heat exchanger TC sensor Cooling Refrigerant Refrigerant pipe at liquid pipe at gas side side (Outer dia : ØA) (Outer dia : ØB)

  • Page 20: Wiring Diagram

    4. WIRING DIAGRAM Indoor Unit Concealed Duct Type 1 2 3 4 5 - 20 -...

  • Page 21: Specifications Of Electrical Parts

    5. SPECIFICATIONS OF ELECTRICAL PARTS Indoor Unit Parts name Type Specifications ICF-340W150- 2 Output (Rated) 150W, DC280-340V Fan motor (0131, 0181 type) ICF-340W150- 1 Fan motor (0241, 0301 type) Output (Rated) 150W, DC280-340V ICF-340W250-1 Fan motor (0361, 0401, 0481, 0601 type) Output (Rated) 250W, DC280-340V Thermo.

  • Page 22: Refrigerant R32

    6. REFRIGERANT R32 This air conditioner adopted the refrigerant HFC 6. When an air conditioning system charged with a (R32) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the refrigerant R32 is 1.6 even when refrigerant leaks, its concentration times higher than conventional refrigerant...
  • Page 23 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) 0.80 0.80 0.80 0.80 12.7 0.80 0.80 15.9 1.00 1.00 19.0 1.00 1.00 1. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
  • Page 24 c) Insertion of Flare Nut d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R32 or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
  • Page 25 Fig. 6-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench.

  • Page 26: Tools

    6-3. Tools 6-3-1.Required Tools Refer to the “4. Tools” (Page 12) 6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s...

  • Page 27: Brazing Of Pipes

    1) Be sure to make setting so that liquid can be charged. 2) When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 28 2. Characteristics required for flux 6-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it • must be performed by a person qualified. Due to a wide effective temperature range, flux is hard to carbonize.

  • Page 29: Instructions For Re-Use Piping Of R22 Or R407C

    6-6. Instructions for Re-use Piping of R22 or R407C Instruction of Works: 6. Check the oil when the existing air conditioner was The existing R22 and R407C piping can be removed after refrigerant had been recovered. reused for our digital inverter R32 products In this case, if the oil is judged as clearly different installations.
  • Page 30 6-6-5. Final Installation Checks Is there no scratch or dent on the existing pipes? Existing pipe: NO ∗ Use a new pipes. Is it possible to operate the existing air conditioner? ∗ After the existing air conditioner operated in cooling mode for approx.
  • Page 31 6-6-6. Handling of Existing Pipe Piping necessary to change the flare nut/ machining size due to pipe compression. When using the existing pipe, carefully check it for the 1) Flare nut width: H (mm) following: Copper pipe Ø6.4 Ø9.5 Ø12.7 Ø15.9 Ø19.0 Wall thickness (within the specified range)

  • Page 32: Replenishing Refrigerant

    6-7. Replenishing refrigerant In order to assure the reliability of the appliance, the amount of refrigerant to be replenished shall be subject to the following restrictions. Follow the margin of excess replenished refrigerant, which is equivalent to the current R22. Otherwise, abnormally high pressure may be generated in the refrigeration cycle, which may result in failure, explosion of the product, or personal injury.

  • Page 33: Indoor Control Circuit

    7. INDOOR CONTROL CIRCUIT Indoor Controller Block Diagram Connection of Wired (Simple) Remote Controller Wired (Simple) master remote controller (Max. 2 units) Weekly timer Display LCD Function setup Display LCD LCD driver Display LED Key switch Function setup Key switch DC5V DC5V Remote controller...

  • Page 34: Outline Of Specification

    8. OUTLINE OF SPECIFICATION 8-1. Control Specification Item Outline of specification Remarks When power 1) Distinction of outdoor unit supply is reset When the power supply is reset, the outdoors are distinguished and the control is selected according to the distinguished result. 2) Setting of indoor fan speed and existence of air direction adjustment Based on EEPROM data, select setting of the...
  • Page 35 Item Outline of specification Remarks Operation 2) Cooling operation mode selection Compressor, outdoor fan and indoor unit operation display lamp are controlled as below, Note : DT = Room temp - Preset temp. 3) Dry operation Compressor, outdoor fan and indoor unit operation display lamp are controlled as below.
  • Page 36 Item Outline of specification Remarks Fan speed 1) Operation with (HH), (H+), (H), (L+), (L) or [AUTO] HH > H+ > H > L+ > selection mode is carried out by the command from the remote L > UL controller. 2) When the air speed mode [AUTO] is selected, the air speed varies by the difference between Ta and Ts.
  • Page 37 Item Outline of specification Remarks Freeze Freezing prevention by Indoor unit micro controller Tc : Indoor heat exchanger preventive control The cooling operation (including Dry operation) temperature sensor (Low temperature is performed as follows based on the detected release) temperature of Tc sensor. The compressor and outdoor unit fan motor (both motor) are controlled as show in figure below.
  • Page 38 Item Outline of specifications Remarks Filter sign display 1) The operation time of the indoor fan is calculated, the filter [FILTER ] goes on. (Except wireless reset signal is sent to the remote controller when the speci- type) fied time (2500H) has passed, and it is displayed on LCD. 2) When the filter reset signal has been received from the remote controller, time of the calculation timer is cleared.

  • Page 39: Indoor P.c. Board Optional Connector Specifications

    8-2. Indoor P.C. Board Optional Connector Specifications (MCC-1631) Function Connector No. Pin No. Specification Remarks Fan output DC12 V Factory default setting: ON when indoor unit in operation and OFF when indoor unit at rest Output CN32 * Fan can be operated on its own by pressing FAN button on remote controller (DN = 31) Start / stop input Start / stop input for HA (J01: In place / Removed...

  • Page 40: Indoor Print Circuit

    8-3. Indoor Print Circuit Board <MCC-1631> Board <WP-034> Relay signal SG01 �CN10 1 + 12VI I G NDI CN01 RY01 �11 © � 1 IWHI Indoor/Outdoor Inter-unit cable CR01 �JJBLK TH01 WP-034 COMPONENT SIDE Connect to CN67 on MCC-1631 - 40 -...

  • Page 41: Troubleshooting

    9. TROUBLESHOOTING 9-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • ⊕ and ⊖ screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation the following points before check a) The following operations are normal.
  • Page 42 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments • ⊕ and ⊖ screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation the following points before check a) The following operations are normal. 1.

  • Page 43: Troubleshooting

    9-2. Troubleshooting 9-2-1. Outline of judgment The following method can be done to check whether the problem occurred in indoor or outdoor unit. The error is indicated by indication lamp on the display of the indoor unit. (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.
  • Page 44 9-2-3. Monitor Function of Remote Controller Switch Calling of sensor temperature display <Contents> Each data of the remote controller, indoor unit and outdoor unit can be shown by calling the service monitor mode from the remote controller. <Procedure> TEST Push buttons simultaneously for 4 seconds to call the service monitor mode.
  • Page 45 Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of errors Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when Remote controller LCD display OFF (Disconnection) controller (including wireless) and (Automatically error is detected...
  • Page 46 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of errors Condition air conditioner Power supply error of remote controller, Indoor EEPROM error 1. Check remote controller inter-unit wiring. No communication with master indoor unit 2.
  • Page 47 9-2-4. Diagnostic Procedure for Each Check Code Temperature sensor Temperature – Resistance value characteristic table TA, TC sensors Representative value Resistance value (kΩ Ω Ω Ω Ω ) Temperature (°C) (Minimum value) (Standard value) (Maximum value) 32.33 33.80 35.30 19.63 20.35 21.09 12.23...

  • Page 48: Setup At Local Site And Others

    10. SETUP AT LOCAL SITE AND OTHERS 10-1. LED Display on P.C. Board (Indoor unit) 1. D501 (Red) • It goes on (Goes on by operation of the main microcomputer) at the same time when the power supply is turned on. •...
  • Page 49 Function selection item No. (DN) list Item Contents At shipment from factory 0000: None 0001: 150H Filter sign lighting time 0002: 2500H 0003: 5000H According to type 0004: 10000H 0005: Clogging sensor used 0000: Standard Filter stain level 0000: Standard 0001: Heavy stain (Half of standard time) 0001: (4-way air discharge Type...
  • Page 50 Item Contents At shipment from factory The air conditioner stops (including fire alarm such as remot monitor system) while setup of [ON/OFF] operation prohibited Clean operation stop function when (Central 1, 2) is performed from the central controller side. 0000: Valid [ON/OFF] operation is prohibited.
  • Page 51 10-1-2. Wiring and Setting of Remote Controller Control 2-remote controller control <Wired remote controller> (Controlled by 2 remote controllers) How to set wired remote controller as sub remote controller This control is to operate 1 or multiple indoor units are operated by 2 remote controllers. Change DIP switch inside of the rear side of the (Max.

  • Page 52: Calling Of Error History

    10-2. Calling of Error History <Contents> The error contents in the past can be called. <Procedure> TEST Push buttons simultaneously for 4 seconds or more to call the service check mode. TEMP. ON / OFF Service Check goes on, the CODE No. is displayed, and then the content of the latest alarm is displayed.
  • Page 53 Indoor unit power-ON sequence Power ON The unit without power feed waits entirely → Waiting status is released by system start Reboot when power is fed on the way <By feed unit> <Automatic address judgment> Not normal Gr construction check 3 minutes elapse Normal ∗...

  • Page 54: Address Setup

    11. ADDRESS SETUP 11-1. Address Setup Procedure When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit.

  • Page 55: Address Setup & Group Control

    11-2. Address Setup & Group Control <Terminology> Indoor unit No. : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Single (Not group control) 1 = Master unit in group control 2 = Sub unit in group control Master unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/from the remote controllers and sub indoor units.
  • Page 56 11-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single (Master/Sub) Individual 2) Group operation (Twin operation) (Multiple outdoor units = Miltiple indoor units only with serial communication) Sub/Header Sub/Header Sub/Follower Master/Header Sub/Follower Only turning on source power supply (Automatic completion) Header unit: The header unit receives the indoor unit data (thermo status) of the follower (Without identical line address &...
  • Page 57 11-2-3. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single Individual (Master/Header) Only turning on source power supply (Automatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin) Sub/Header Sub/Header...

  • Page 58: Remote Controller Wiring

    11-3. Remote Controller Wiring Strip off approx. 9 mm the wire to be connected. Wiring diagram For single system, use non polarity, 2 core wire is used for wiring of the remote Terminal block for remote Terminal block controller.(0.5 mm² to 2.0 mm² wires) controller wiring of indoor unit For the synchronous twin, triple system, use Remote...

  • Page 59: Confirmation Of Indoor Unit No. Position

    TEST Push buttons simultaneously for 4 seconds or more. (← Line address) Using the temperature setup buttons, to the CODE No. Using timer time buttons, set the line address. Push button. (OK when display goes on.) (← Indoor unit address) Using the temperature setup buttons, set to the CODE No.
  • Page 60 2. To know the position of indoor unit body by address To confirm the unit No. in the group control (Follow to the procedure during operation) (in this procedure, the indoor units in group control stop.) <Procedure> The indoor unit numbers in the group control are successively displayed, and fan, louver, and drain pump of the corresponding indoor unit are turned on.

  • Page 61: Detachments

    12. DETACHMENTS Indoor Unit WARNING CAUTION Be sure to stop operation of the air conditioner before Be sure to put on gloves during working time; work and then turn off switch of the breaker. otherwise an injury will be caused by a part, etc. Part name Procedure Remarks...
  • Page 62 Part name Procedure Remarks Suction panel 1. Detachment 1) Remove the fixing screws A which fix the suction panel. Loosen the fixing screws B. 2) Slide the suction panel to the arrow side and then remove the panel. 2. Attachment 1) Hook the suction panel to the fixing screws B and tighten screws.
  • Page 63 Remarks Part name Procedure Electric parts 1. Detachment 1) Perform works of 1 of ( In case of under air i ntake) Perform works of 1 of . (In case of back air intake) Perform works of 1 of . 2) Remove the indoor/outdoor connecting wire and remote controller wire from each terminal block.
  • Page 64 Part name Procedure Remarks Fan motor, 1. Detachment Fan, 1) Perform works until opening of the electric parts box cover in works of 1 of Fan case Fan motor wiring 2) Remove connectors for fan motor wiring CN333 from control P.C. board. CN334 CN333 : Motor power supply (5P: White) CN334 : Motor control (5P: White)
  • Page 65 Remarks Part name Procedure Drain pan 1. Detachment 1) Remove the drain cap and then extract the Bottom base drain water accumulated in the drain pan. NOTE Do not hold the drain socket. When removing the drain cap, be sure to receive drain water using a bucket, etc.
  • Page 66 Part name Procedure Remarks Heat 1. Detachment : Screw position exchanger 1) Recover the refrigerant gas and then 13,18 Type remove the refrigerant pipe of the indoor Heat exchanger unit. End plate fixed plate 2) Perform works of 1 of 3) Pull out TC sensor and TCJ sensor wirings from the holder.

  • Page 67: Exploded Views And Parts List

    13. EXPLODED VIEWS AND PARTS LIST Indoor Unit 42TGF0131BP, 42TGF0181BP - 67 -...
  • Page 68 Location Part No. Description 42TGF0131BP 42TGF0181BP 43T21448 MOTOR, FAN 43T20340 FAN, MULTI BLADE 43T70315 HOSE, DRAIN 43T44747 REFRIGERATION CYCLE ASSY 43T22335 CASE, FAN, LOWER 43T22337 CASE, FAN, UPPER 43T72317 PAN ASSY, DRAIN 43T82319 SOCKET 43T79321 CAP, DRAIN 43T70319 ASM-HOSE-DRAIN 43T39356...
  • Page 69 42TGF0241BP, 42TGF0301BP - 69 -...
  • Page 70 Location Part No. Description 42TGF0241BP 42TGF0301BP 43T21447 MOTOR, FAN 43T20340 FAN, MULTI BLADE 43T70315 HOSE, DRAIN 43T44748 REFRIGERATION CYCLE ASSY 43T44749 REFRIGERATION CYCLE ASSY 43T22335 CASE, FAN, LOWER 43T22337 CASE, FAN, UPPER 43T72318 PAN ASSY, DRAIN 43T82318 SOCKET 43T79321 CAP, DRAIN 43T70319 ASM-HOSE-DRAIN 43T39357...
  • Page 71 42TGF0361BP, 42TGF0401BP, 42TGF0481BP, 42TGF0601BP - 71 -...
  • Page 72 Location Part No. Description 42TGF0361BP 42TGF0401BP 42TGF0481BP 42TGF0601BP 43T21446 MOTOR, FAN 43T20339 FAN, MULTI BLADE 43T70315 HOSE, DRAIN 43T44750 REFRIGERATION CYCLE ASSY 43T44751 REFRIGERATION CYCLE ASSY 43T22336 CASE, FAN, LOWER 43T22338 CASE, FAN, UPPER 43T72319 PAN ASSY, DRAIN 43T82318 SOCKET 43T79321 CAP, DRAIN 43T70319...
  • Page 73 Electric Parts CN104 MCC-1631 RY01 CH-49-Z-T Lot No. R CN01 42TGF Location Part No. Description 0131BP 0181BP 0241BP 0301BP 0361BP 0401BP 0481BP 0601BP 43T50387 TC-SENSOR (TC2) 43T50420 TC-SENSOR 43T50389 TA-SENSOR 43T58320 REACTOR 43T60427 TERMINAL BLOCK 43T60434 TERMINAL BLOCK, 2P 43TN9379 PC BOARD ASSY(MCC-1631) 43TN9380 PC BOARD ASSY(MCC-1631)
  • Page 74 WARNINGS ON REFRIGERANT LEAKAGE 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 R32 which is used in the air conditioner is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws to be imposed which protect the ozone layer.

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