Carrier 40TGF0131UP Service Manual

Indoor unit 4-way cassette type

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FILE NO. SVM-21042-7

SERVICE MANUAL

AIR-CONDITIONER

(SPLIT TYPE)

INDOOR UNIT

4-way Cassette Type

40TGF0131UP

40TGF0181UP

40TGF0241UP

40TGF0301UP

40TGF0361UP

40TGF0401UP

40TGF0481UP

40TGF0601UP

R32

Revised on Oct, 2023

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Summary of Contents for Carrier 40TGF0131UP

Page 1 FILE NO. SVM-21042-7 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) INDOOR UNIT 4-way Cassette Type 40TGF0131UP 40TGF0181UP 40TGF0241UP 40TGF0301UP 40TGF0361UP 40TGF0401UP 40TGF0481UP 40TGF0601UP Revised on Oct, 2023...
Page 2 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 t have a service person do it.
Page 3 7. OUTLINE OF SPECIFICATIONS ............7-1. Control Specifications .................. 7-2. Optional Connector Specifications of Indoor P.C. Board ......7-3. Indoor Print Circuit Board ................8. TROUBLESHOOTING ................8-1. Summary of Troubleshooting ............... 8-2. Troubleshooting ..................... 9. SETUP AT LOCAL SITE AND OTHERS ..........9-1.
Page 4 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 1. SPECIFICATIONS Indoor Unit 4-way CassetteType <Single type> Indoor unit 40TGF0131UP 40TGF0181UP 40TGF0241UP 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 40TGF0301UP 40TGF0361UP 40TGF0401UP Models Outdoor unit 38TGF0301A1 38TGF0361A1 38TGF0401A1 Cooling capacity (kW) 8.80 10.6 11.8 Indoor unit 1 Phase, 220V~50Hz. (supplied by outdoor unit) Power supply Outdoor unit 1 Phase, 220V~50Hz. Running current 12.0 14.5 16.0 Power consumption (kW) 2.56 3.09...
Page 15 Indoor unit 40TGF0361UP 40TGF0401UP 40TGF0481UP 40TGF0601UP Models 38TGF0361A3 38TGF0401A3 38TGF0481A3 38TGF0601A3 Outdoor unit Cooling capacity (kW) 10.6 11.8 15.6 17.5 Indoor unit 1 Phase, 220V~50Hz. (supplied by outdoor unit) Power supply outdoor unit 3 Phase, 380V~50Hz. Running current 6.08 9.90 9.90 Power consumption (kW)
Page 16 2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) Indoor Unit 40TGF0131UP, 40TGF0181UP, 40TGF0241UP, 40TGF0301UP 1000 or more 860 to 910 Ceiling open dimension An obstacle 1000 or more The space that is necessary for equipping and service Take-in port of wiring Bottom face of ceiling...
Page 17 40TGF0361UP, 40TGF0401UP, 40TGF0481UP, 40TGF0601UP 1000 or more 860 to 910 Ceiling open dimension An obstacle 1000 or more The space that is necessary for equipping and service Take-in port of wiring Bottom face of ceiling Indoor unit Bottom face of ceiling Refrigerant pipe connecting port Drain pipe Drain upstanding size...
Page 18 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM Indoor Unit • Single type (Combination of 1 indoor unit and 1 outdoor unit) (Indoor unit) Distributor (Strainer incorporated) Air heat exchanger TC sensor Cooling Refrigerant pipe Refrigerant pipe at liquid side at gas side (Outer dia : ØB) (Outer dia : ØA) To outdoor unit...
Page 19 4. WIRING DIAGRAM Indoor Unit 4-Way Cassette Type - 19 -...
Page 20 5. SPECIFICATIONS OF ELECTRICAL PARTS Indoor Unit Parts name Type Specification Fan motor (0131, 0181, 0241 type) ICF-340D60A-1 Output (Rated) 60W Fan motor (0301, 0361, 0401, 0481, 0601 type) ICF-340D130A-1 Output (Rated) 130W Thermo. sensor (TA-sensor) 10 kΩ at 25°C 328 mm Heat exchanger sensor (TC-sensor) ∅6 mm, 1000 mm...
Page 21 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 22 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 23 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 24 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 25 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.
Page 26 6-5. Brazing of Pipes 3. Types of flux • Noncorrosive flux 6-5-1. Materials for Brazing Generally, it is a compound of borax and boric 1. Silver brazing filler acid. It is effective in case where the brazing tem- Silver brazing filler is an alloy mainly composed perature is higher than 800°C.
Page 27 6-5-3. Brazing As brazing work requires sophisticated techniques, experiences based upon a theoretical knowledge, it Flow meter must be performed by a person qualified. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to Stop valve proceed with brazing while letting dry Nitrogen gas (N2) flow.
Page 28 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 29 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 30 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 31 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 32 7. OUTLINE OF SPECIFICATIONS 7-1. Control Speciﬁcations Item Outline of speciﬁcations 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 33 Item Outline of speciﬁcations Remarks 2) Cooling operation 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 34 Item Outline of speciﬁcations Remarks Air 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 35 Item Outline of speciﬁcations Remarks Air speed Standard Type 1 Type 3 Type 6 Item code selection Selection of high [5d] (Continued): ceiling type SW501 (1)/(2) OFF/OFF ON/OFF OFF/ON ON/ON Item code: COOL COOL COOL COOL [5d] or selection of high ceiling on P.C.
Page 36 Item Outline of speciﬁcations Remarks Freeze preventive Freezing prevention by Indoor unit micro controller The cooling Tc : Indoor heat exchanger control operation (including Dry operation) temperature sensor (Low temperature is performed as follows based on the detected temperature of release) Tc sensor.
Page 37 Item Outline of speciﬁcations Remarks Louver control: 1) Wireless remote controller To set the airflow direction 1. FIX button • The louver angle does not change immediately after the FIX button is pushed. Check the louver status, and push FIX button after a while. •...
Page 38 Item Outline of speciﬁcations Remarks Louver control In COOL / DRY operation (Continued): Direct the louver (adjustment plate of up / down wind direction) horizontally. If directing it downward, the dew may form on the surface of the air discharge port and may drop down.
Page 39 Item Outline of speciﬁcations Remarks Louver control Setup from the remote <<Individual air direction setup>> (Continued): controller without • Pushing Louver select button enables every button is discharge port to set up the air direction. unavailable. • In case of no input (key operation) for approx. 5 seconds during setting of individual air direction (during displaying For the setup of louver No.
Page 40 Item Outline of speciﬁcations Remarks Louver control <<Selection of Swing mode>> (Continued): Not possible to set • For the Swing mode, the following three types of modes by wireless remote are selectable and settable by keeping Swing/Direction controller. button pushed for 4 seconds or more on the remote controller.
Page 41 Item Outline of speciﬁcations Remarks Louver control: • If there is the locked louver in the unit, [ ] goes on the For the setting remote controller screen. operation, refer to [How to set louver lock] • While the following controls are performed, the louvers of Installation Manual.
Page 42 7-2. Optional Connector Speciﬁcations of Indoor P.C. Board - 42 -...
Page 43 7-3. Indoor Print Circuit Board <MCC-1643> Output for FS uni CN81 External input/output HA Output CN61 Ventilation output CN32 (UART) CN521 DC fan output CN210 TA sensor CN104 TC sensor CN101 Power supply CN67 Remote controller CN41 Wireless remote control Louver CN214 CN510...
Page 44 8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Require tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before chec a) The following operations are normal. 1.
Page 45 <Wireless remote controller type> 1. Before troubleshooting 1) Require tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before chec a) The following operations are normal. 1. Compressor does not operate. •...
Page 46 8-2. Troubleshooting 8-2-1. 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 47 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 ëRemote controller LCD display OFF (Disconnection) controller (including wireless) and (Automatically error is detected...
Page 48 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 49 8-2-3. Diagnostic Procedure for Each Check Code (Indoor Unit) Check code [E01 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller Is there no disconnection or Correct connection of connector. contact error of connector on harness Check circuit wiring.
Page 50 [E08, L03, L07, L08 error] E08: Duplicated indoor unit No. L03: There are 2 or more master units in a group control. L07: There is 1 or more group address [Individual] in a group control. L08: The indoor group address is unset. (CODE No. 99) If the above error is detected when power supply turned on, the mode enters automatically in the automatic address set mode.
Page 51 [P10 error] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Check indoor P.C. board (MCC-1643). Does float switch work? Is circuit wiring normal? Defect → Replace Check and correct wiring and wire circuit. Does drain pump work? Replace drain pump Is power of...
Page 52 [P12 error] Power off. Is not connection error or Repair the connector disconnection on the connector connection. CN210 of indoor unit P.C. board? Disconnect the connector CN210 to the indoor P.C. board Does the Replace the indoor fan turn smoothly when fan motor.
Page 53 [F02 error] Is connection of TC sensor connector Correct connection of connector. (CN101 on Indoor P.C. board) correct? Are characteristics of Replace TC sensor. TC sensor resistance value normal? ∗ Refer to Characteristics-2. Check indoor P.C. board (MCC-1643). Defect → Replace - 53 -...
Page 54 [C06 error] (“1:1 model” connection interface) n i l n i l ∗1 Correct connection of connector. Is connection of connector normal? ∗1 TCC-LINK central: CN51 of “1:1 model” connection interface (TCC-LINK adapter) P.C. board (MCC-1440) and CN050 of indoor P.C. board Check connection of A and B terminal blocks.
Page 55 [E03 error] (Header indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal from the remote controller (also central controller). Check A and B remote controllers and communication lines of the central control system U3 and U4. As communication is impossible, this check code [E03] is not displayed on the remote controller and the central controller.
Page 56 8-2-4. 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 57 9. SETUP AT LOCAL SITE AND OTHERS 9-1. 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 58 9-1-1. Function Selection Setup <Procedure> Perform setting while the air conditioner stops. Push buttons simultaneously for 4 seconds or more. The first displayed unit No. is the master indoor unit address in the group control In this time, fan and louver of the selected indoor unit operate. Every pushing button (button at left side), the indoor unit No.
Page 59 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) 0000: (1-way air discharge cassette) Type...
Page 60 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 61 9-1-2. 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 This control is to operate 1 or multiple indoor units remote controller are operated by 2 remote controllers. Change DIP switch inside of the rear side of the (Max.
Page 62 9-1-3. 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 understood by calling the service monitor mode from the remote controller. <Procedure> Push buttons simultaneously for 4 seconds to call the service monitor mode.
Page 63 ■ Calling of error history <Contents> The error contents in the past can be called. <Procedure> Push buttons simultaneously for 4 seconds or more to call the service check mode. Service Check goes on, the item code 01 is displayed, and then the content of the latest alarm is displayed.
Page 64 ■ 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> 3 minutes elapse Gr construction check Normal ∗...
Page 65 9-1-4. How to set up type of swing * Dual swing (Recommended for heating operation) • The adjoined louvers repeat horizontal discharge/ Push for 4 seconds or more during Downward discharge alternately to clear stop of the operation. irregularity of the temperature. •...
Page 66 9-1-5. How to set louver lock (Louver ﬁx) Refrigerant pipe UNIT LOUVER Push (At the right side of the button) for 4 seconds or more during stop of the Electric parts box operation. • flashes Drain pipe UNIT LOUVER Push (At the left side of the button) and select the unit to be set.
Page 67 9-1-8. When installing indoor unit on high ceilling REQUIREMENT • When you use this air conditioner for the first time, it takes approx. 5 minutes until the remote controlle becomes available after power-on. This is normal. <When power is turned on for the ﬁrst time after installation> Approx.
Page 68 ■ Installing indoor unit on high ceiling Remote controller-less setting Change the high-ceiling setting with the DIP switch on When an indoor unit is installed on a ceiling higher than the standard height, make the high-ceiling setting the receiver section P.C. board. The settings can also be changed with the switch on for fan speed adjustment.
Page 69 9-2. Others Recovering the refrigerant WARNING Don't admit air into refrigerant during recovery. Otherwise, the pressure in the freezing cycle might increase abnormally. Serious injury could occur if it bursts. [Recovering the refrigerant] • You need to recover the refrigerant when moving or repairing the indoor and/or outdoor units. You cannot do this while the air conditioner is running in cooling mode because a protective device will be tripped.
Page 70 10. ADDRESS SETUP 10-1. Remote Controller Wiring Wiring diagram • Strip off approx. 9 mm the wire to be connected. • For single system, use non polarity, 2 core wire is Terminal block for remote controller Terminal block wiring of indoor unit used for wiring of the remote controller.
Page 71 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. button. (OK when display goes on.) Push (←...
Page 72 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 73 11. DETACHMENTS Indoor Unit Part name Procedure Remarks Suction Suction grille Knobs of the grille CAUTION suction grille hook Be sure to put on the gloves at disassembling work; otherwise an injury will be caused by a part, etc. Adjust Ceiling panel 1.
Page 74 Part name Procedure Remarks Electric parts cover (Continued) Adjust corner 1. Detachment Adjust corner cap 1) Pull knob of the adjust corner cap to the arrow direction, remove strap of the adjust corner cap from pin of the panel and then remove all the 4 corners of the cap.
Page 75 Part name Procedure Remarks Ceiling panel 1. Detachment Clamp 1) Carry out works of item 1 of 2 and item 1 of 3. Louv Louver motor wir Louver motor wiring er motor wiring 2) Remove the flap connecto (CN510, White, 20P) and signal receiving unit connector (CN214, White, 9P) connected to the control P.C.
Page 76 Part name Procedure Remarks Control P.C. 1. Detachment board 1) Carry out work of item 1 of 2. 2) Remove connectors which are connected from the control P.C. board to the other parts and then remove wiring from the clamp. CN510 : Louver motor (20P, White) CN214 : Signal receiving unit (9P, White)
Page 77 Part name Procedure Remarks Drain cap 1. Detachment Drain cap (outside) 1) Carry out work of item 1 of 1. 2) Loosen screws (3 positions) fixing th drain cap (outside) and then turn the drain cap to the arrow mark direction to remove it.
Page 78 Part name Procedure Remarks 1. Detachment Fan motor Fixing screw A 1) Carry out work of item 1 of 2. 2) Remove connectors which are connected from the control P.C. board to the other parts and then remove each wiring from the clamp. CN510 : Louver motor (20P, White) CN214 : Signal receiving unit (9P, White) CN34 : Float switch (3P, Red)
Page 79 Part name Procedure Remarks Fan motor 2. Attachment M6 nut (Continued) 2) Fix the fan motor lead, TC sensor and TCJ sensor with the clamp of the bell mouth. 3) Mount the electric parts box with the fixing screws A and B ( ∅...
Page 80 Part name Procedure Remarks Float switch 1. Detachment assembly 1) Carry out works of item 1 of 7 and works from 1) to 5). Float s Float switch assemb Float switch assembly witch assembly 2) Remove the fixing screw and the remove the float switch assembly (Ø4 ×...
Page 81 Part name Procedure Remarks Heat 1. Detachment exchanger 1) Recover the refrigerant gas. 2) Carry out work of item 1 of !. 3) Remove refrigerant pipe at indoor unit side. 4) Remove the fixing screws and the remove the piping cover. (Ø4 × 10, 3 pcs.) 5) Remove the drain hose from the drain Fixing screws (Ø4 ×10)
Page 82 12. EXPLODED VIEWS AND PARTS LIST Indoor Unit 40TGF0131UP, 40TGF0181UP, 40TGF0241UP, 40TGF0301UP - 82 -...
Page 83 Location Part No. Description 40TGF0131UP 40TGF0181UP 40TGF0241UP 40TGF0301UP FAN, ASSY,TURB 43T20364 43T66435 REMOTE CONTROLLER WIRELESS 43T44737 REFRIGERATION CYCLE ASSY 43T44738 REFRIGERATION CYCLE ASSY 43T44739 REFRIGERATION CYCLE ASSY 43T22322 BELL MOUTH 43T72375 PAN ASSY, DRAIN 43T70326 HOSE, DRAIN 43T63348 CLAMP, DOWN...
Page 84 40TGF0361UP, 40TGF0401UP, 40TGF0481UP, 40TGF0601UP - 84 -...
Page 85 Location Part No. Description 40TGF0361UP 40TGF0401UP 40TGF0481UP 40TGF0601UP 43T20334 FAN,ASSY TURB 43T66435 REMOTE CONTROLLER WIRELESS 43T44740 REFRIGERATION CYCLE ASSY 43T44741 REFRIGERATION CYCLE ASSY 43T22322 BELL MOUTH 43T72375 PAN ASSY, DRAIN 43T70326 HOSE, DRAIN 43T63348 CLAMP, DOWN 43T63349 CLAMP, UP 43T63347 CLAMP, WIRE 43T97314 NUT, FLARE, 5/8 IN...
Page 86 Electric Parts CN22 40TGF Location Part No. Description 0131UP 0181UP 0241UP 0301UP 0361UP 0401UP 0481UP 0601UP 43T50420 TC-SENSOR 43T50388 TA-SENSOR 43T60427 TERMINAL BLOCK 43T60434 TERMINAL BLOCK, 2P 43TN9363 PC BOARD ASSY(MCC-1643) 43TN9364 PC BOARD ASSY(MCC-1643) 43TN9365 PC BOARD ASSY(MCC-1643) 43TN9366 PC BOARD ASSY(MCC-1643) 43TN9367 PC BOARD ASSY(MCC-1643)
Page 87 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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