Toshiba RAV-GM901BTP Series Service Manual
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Toshiba RAV-GM901BTP Series Service Manual

Toshiba RAV-GM901BTP Series Service Manual

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FILE NO. SVM-20041
SERVICE MANUAL
AIR-CONDITIONER
(SPLIT TYPE)
<DIGITAL INVERTER>
INDOOR UNIT
Concealed Duct Type
RAV-GM901BTP Series
R32
March, 2020

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Summary of Contents for Toshiba RAV-GM901BTP Series

  • Page 1 FILE NO. SVM-20041 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) <DIGITAL INVERTER> INDOOR UNIT Concealed Duct Type RAV-GM901BTP Series March, 2020...

  • Page 2: Table Of Contents

    NOTE A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner. Caused from its characteristics, a current limit works on the direct current motor. When replacing the high-performance filter or when opening the service board, be sure to stop the fan. If an above action is executed during the fan operation, the protective control works to stop the unit operation, and the check code “P12”...
  • Page 3 8. SETUP AT LOCAL SITE AND OTHERS ..........63 8-1. Indoor Unit......................63 8-2. Setup at Local Site / Others ................73 8-3. How to Set up Central Control Address Number ........... 75 9. ADDRESS SETUP..................77 9-1. Address Setup ....................77 9-2.

  • Page 4: Original Instruction

    The qualified service person is a person who installs, repairs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, repair, maintain, relocate and remove the air conditioners made by Toshiba Carrier Corporation...
  • 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

    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 WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies Disconnect all remote electric...

  • Page 7: Precaution For Safety

    PRECAUTIONS FOR SAFETY The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker for both the indoor and outdoor units to the OFF position. Otherwise, electric shocks may result.
  • Page 8 WARNING Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air conditioner by following its instructions. Only qualified service person (*1) is allowed to repair the air conditioner. Repair of the air conditioner by unqualified person may give rise to a fire, electric shocks, injury, water leaks and / or other problems.
  • Page 9 Do not modify the products. Do not also disassemble or modify the parts. It may cause a fire, electric shock or injury. Prohibition of modification. When any of the electrical parts are to be replaced, ensure that the replacement parts satisfy the specifications given in the Service Manual (or use the parts contained on the parts list in the Service Manual).
  • Page 10 After repair work, surely assemble the disassembled parts, and connect and lead the removed wires as before. Perform the work so that the cabinet or panel does not catch the inner wires. If incorrect assembly or incorrect wire connection was done, a disaster such as a leak or fire is caused Assembly / at user’s side.
  • Page 11 When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down, set the circuit breaker to the OFF position, and then wait at least 10 minutes before opening the service panel. If you fail to heed this warning, you will run the risk of burning yourself because the compressor pipes and other parts will be very hot to the touch.
  • Page 12 Declaration of Conformity Manufacturer: TOSHIBA CARRIER (THAILAND) CO., LTD. 144 / 9 Moo 5, Bangkadi Industrial Park, Tivanon Road, Amphur Muang, Pathumthani 12000, Thailand TCF holder: TOSHIBA CARRIER EUROPE S.A.S Route de Thil 01120 Montluel FRANCE Hereby declares that the machinery described below:...
  • Page 13 Specifications Sound power level (dBA) Model Weight (kg) Cooling Heating ∗ ∗ RAV-GM901BTP-E ∗ ∗ RAV-GM901BTP-TR ∗ : Under 70 dBA - 13 -...

  • Page 14: New Refrigerant (R32)

    • Refrigerant (R32) This air conditioner adopts a refrigerant HFC (R32) which does not deplete the ozone layer. 1. Safety Caution Concerned to Refrigerant R32 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.
  • Page 15 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 16: Air Ducting Work

    1. AIR DUCTING WORK Static Pressure Characteristics Standard Air volume: 1700 m Lower er imit of external static pessure(120Pa) Upper limit of external static pessure(120Pa) High tap (120Pa) High tap (100Pa) High tap (80Pa) Low tap (120Pa) High tap (65Pa) High tap (50Pa) High tap...

  • Page 17: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) Model GM90 type 1400 1465 1340 1450 Model GM90 type - 17 -...
  • Page 18 GM90 type - 18 -...

  • Page 19: Wiring Diagram

    3. WIRING DIAGRAM - 19 -...

  • Page 20: Specifications Of Electrical Parts

    4. SPECIFICATIONS OF ELECTRICAL PARTS Concealed Duct Type Parts name Type Specifications Fan motor ICF-340W250-1 Output (Rated) 250W, 220-240V 218mm Thermo. Sensor (TA-sensor) 10kΩ at 25˚C Heat exchanger sensor (TCJ-sensor) Ø6mm, 1000mm 10kΩ at 25˚C Heat exchanger sensor (TC-sensor) Ø6mm, 1000mm 10kΩ...

  • Page 21: Control Block Diagram

    5. CONTROL BLOCK DIAGRAM 5-1. Indoor Controller Block Diagram 5-1-1. In Case of Connection of Wired (Simple) Remote Controller Wired (Simple) heder remote controller (Max. 2 units) Schedule remote controller Display LCD Function setup Display LCD LCD driver Display LED Key switch Function setup Key switch...
  • Page 22 5-1-2. In Case of Connection of Wireless Remote Controller Indoor unit #1 (Heder) Wireless remote controller Receiver P.C. board Display LED Receive circuit Function setup SW Buzzer Temporary operation SW DC5V Power Remote controller circuit communication circuit (Follower) (Follower) Indoor control P.C. board (MCC-1631) EEPROM2 DC20V Remote controller...
  • Page 23 5-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller Indoor unit #1 (Heder) Wired (Simple) heder remote controller Wireless remote controller Schedule remote controller (Max. 2 units) Receiver P.C. board Display LED Display Function Display setup driver Receive Function setup SW Display...

  • Page 24: Control Specifications

    5-2. 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 distin- guished 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 indoor fan speed.
  • Page 25 Item Outline of specifications Remarks Room temp. 2) Using the CODE No. 06, the setup temperature in heating Shift of suction control operation can be corrected. temperature in heating (Continued) operation SET DATA Setup temp. +0°C +2°C +4°C +6°C correction Setting at shipment SET DATA Automatic...
  • Page 26 Item Outline of specifications Remarks Fan speed control 1) Operation with (HH), (H), (L) or [AUTO] mode is carried HH > H+ > H > L+ > out by the command from the remote controller. L > UL 2) When the fan speed mode [AUTO] is selected, the fan speed varies by the difference between Ta and Ts.
  • Page 27 Item Outline of specifications Remarks Fan speed control (Continued) CODE No. 40Pa 30Pa 65Pa 50Pa 80Pa 100Pa 120Pa [5d] 0000 0001 0002 0003 0004 0005 0006 SW501(1)/(2) OFF/OFF ON/OFF — OFF/ON — — ON/ON HEAT COOL HEAT COOL HEAT COOL HEAT COOL HEAT...
  • Page 28 Item Outline of specifications Remarks Freeze preventive control 1) The cooling operation (including Dry operation) is Tcj: (Low temperature release) performed as follows based on the detected Indoor heat exchanger temperature of Tc sensor or Tcj sensor. sensor temperature When [J] zone is detected for 6 minutes (Following figure), the commanded frequency is decreased from the real operation frequency.
  • Page 29 Item Outline of specifications Remarks High-temp. 1) The heating operation is performed as follows based on the release control detected temperature of Tc sensor or Tcj sensor. • When [M] zone is detected, the commanded frequency is However this control is decreased from the real operation frequency.
  • Page 30 Item Outline of specifications Remarks Frequency <In case of wired remote controller> Command frequency is fixed operation approximately [S7] 1) When pushing [CHK] button for 4 seconds or more, [TEST] is (Test run) displayed on the display screen and the mode enters in Test run mode.
  • Page 31 Item Outline of specifications Remarks Central control 1) Setting at the central controller side enables to select mode selection the contents which can be operated on the wired remote controller. 2) Setup contents • In case of TCC-LINK Central remote controller (TCB-SC642TLE2) [Individual]: Operated by wired remote controller...
  • Page 32 Item Outline of specifications Remarks DC motor 1) When the fan operation has started, positioning of the stator and the rotor are performed. (Moves slightly with tap sound) 2) The motor operates according to the command from the indoor controller. Notes) •...
  • Page 33 Item Outline of specifications Remarks SAVE Save operation 1) Turn on button on the remote controller. Carry out setting operation during stop of 2) During operation of save operation, lights on the the unit; otherwise the wired remote controller. unit stops operation. 3) During save operation, the current release control is For the setup operation, performed with the restriction ratio set in EEPROM on...

  • Page 34: Indoor Print Circuit Board

    5-3. Indoor Print Circuit Board <MCC-1631> - 34 -...
  • Page 35 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 36: Troubleshooting

    6. TROUBLESHOOTING 6-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch – • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.
  • Page 37 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, etc. – • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. •...
  • Page 38 Outline of judgment When one of the following phenomena appears, an error of the power relay (RY01) is considered; therefore replace the P.C. board. • The operation • The fan stops immediately. After approx. 1minute The screen of the → →...
  • Page 39 Lamp indication Check code Cause of trouble occurrence Operation Timer Ready Heat exchanger sensor (TCJ) error ⎫ ⎪ Heat exchanger sensor (TC) error Indoor unit sensor error ⎬ ⎪ Alternate flash Heat exchanger sensor (TA) error ⎭ Discharge temp. sensor (TD) error ⎫...
  • Page 40 Others (Other than Check Code) Lamp indication Check code Cause of trouble occurrence Operation Timer Ready — During test run Simultaneous flash Operation Timer Ready Disagreement cool/heat — (Automatic cool/heat setting to automatic cool/heat prohibited mode) Alternate flash - 40 -...
  • Page 41 - 41 -...

  • Page 42: Check Code List (Indoor)

    Check Code List Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of operation Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when controller (including wireless) and •...
  • Page 43 Error mode detected by outdoor unit Operation of diagnostic function Check code Status of Judgment and measures Cause of operation Condition air conditioner Indoor unit Disconnection, short of discharge temp. sensor 1. Check discharge temp. sensor (TD). Displayed when Stop (TD) error is detected 2.
  • Page 44 Operation of diagnostic function Check code Status of Judgment and measures Cause of operation air conditioner Condition Indoor unit Displayed when 1. Check outdoor P.C. board. Current detection circuit error Stop error is detected (AC current detection circuit) 1. Check open phase of 3-phase power supply. Displayed when Open phase of 3-phase power supply Stop...
  • Page 45 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of operation 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 46: Diagnostic Procedure For Each Check Code (Indoor Unit)

    6-3. 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 47 [E04 error] Is group address setup of Does outdoor operate? Check CODE No. [14]. remote controller correct? Are wiring in indoor unit and Correct wiring and 1, 2, 3 inter-unit cables correct? inter-unit cables. Are wirings of terminal blocks Correct wiring of connector and terminal blocks.
  • Page 48 [E18 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller. Is there no disconnection or contact error of connector Correct connection of connector. on harness from terminal block Check circuit wiring. of indoor unit? Is group control operation? Check power connection status of indoor unit...
  • Page 49 [L20 error] Are wiring connections to communication lines Correct wiring connection. U3 and U4 normal? Is not the multiple same central Correct central control system address. control system addresses connected? Check central controller (including 1:1 model connection interface) and indoor P.C. board (MCC-1631). Defect →...
  • Page 50 [P10 error] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Does float switch work? Is circuit wiring normal? Check and correct wiring and wire circuit. Does drain pump work? Are connector pins 1 and 2 Is power of at drain pump unit side shorted drain pump turned on? ∗...
  • Page 51 [P12 error] Turn off the power. Correct setting of the static pressure. Is the static pressure setting correct? Change cappacity setting. Is the capacity setting correct? Are not there connections errors or Correct connection of connector. disconnection on connectors CN333 and CN334 of indoor unit P.C.
  • Page 52 [P19 error] Is operation of 4-way valve normal? Are 1.3 to 1.6kΩ applied to (Check the pipe temp., etc. Replace 4-way valve coil. resistance value of 4-way valve coil ? during cooling/heating operation. Defective Check outdoor P.C. board operation. Check outdoor P.C. board. Defective →...
  • 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 Charqacteristics-2. Check indoor P.C. board (MCC-1631). Defect → Replace [F01 error] Is connection of TCJ sensor connector Correct connection of connector.
  • Page 54 [C06 error] (1:1 model connection interface) Are U3 and U4 communication lines normal? Correct communication line. ∗1 Correct connection of connector. Is connection of connector normal? ∗1 In case of 1:1 model connection interface 1:1 model connection interface (MCC-1440) CN51 and indoor P.C. board CN050. Check connection of A and B terminal blocks.
  • Page 55 [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal from the wired 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 wired remote controller and the central controller.
  • Page 56 Temperature – Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensor TD, TL sensor Representative value Representative value Resistance value (kΩ Ω Ω Ω Ω ) Resistance value (kΩ Ω Ω Ω Ω ) Temperature Temperature (Minimum (Standard (Maximum (Minimum (Standard...
  • Page 57 Winding Resistance of Fan Motor Part name Checking procedure Concealed Duct type Measure the resistance value of each winding by using the tester. Fan motor Fan motor inside wiring diagram ICF-340W250-1 ICF-340W250-1 Position Resistance value Black – Red 12.4 ± 1.2 Black –...

  • Page 58: Replacement Of Service P.c. Board

    7. REPLACEMENT OF SERVICE P.C. BOARD Indoort Unit CAUTION <Model name: RAV-GM∗∗∗BTP-E(TR)> For the above models, set the CODE No. “ ” and the setting data “0000” (initial) to “0001”. <Note: when replacing the P.C. board for indoor unit servicing> The nonvolatile memory (hereafter called EEPROM, IC503) on the indoor unit P.C.
  • Page 59 [1] Setting data read out from EEPROM The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out. Step 1 Push button on the remote controller simultaneously for more than 4 seconds. TEST ∗...
  • Page 60 [3] Writing the setting data to EEPROM The settings stored in the EEPROM of the P.C. board for indoor unit servicing are the factory-set values. Step 1 Push buttons on the remote controller simultaneously for more than 4 seconds. TEST ∗...
  • Page 61 Step 4 Write the on-site setting data to the EEPROM, such as address setting, etc. Perform the steps 1 and 2 above again. 01 01 01 01 01 Step 5 Change the CODE No. (DN) to “ ” by pushing buttons for the temperature setting.
  • Page 62 Table 1 Item Setting data Factory-set value Filter sign lighting time Depending on Type Filter pollution level 0000: Standard Central control address 0099: Not determined Heating suction temperature shift 0002: +2°C Cooling only 0000: Heat pump Type Depending on model type Indoor unit capacity Depending on capacity type System address...

  • Page 63: Setup At Local Site And Others

    8. SETUP AT LOCAL SITE AND OTHERS 8-1. Indoor Unit 8-1-1. Test Run Setup on Remote Controller <Wired remote controller> TEST 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. ON / OFF Then push button.
  • Page 64 8-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only) (Preparation in advance) TEST Push buttons simultaneously for 4 seconds or more on the remote controller. (Push buttons while the air conditioner stops.) The first displayed unit No. is the master indoor unit address in the group control. Every pushing button, the indoor unit No.
  • Page 65 8-1-4. Function Selection Setup <Procedure> Perform setting while the air conditioner stops. TEST 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. UNIT LOUVER Every pushing button (button at left side), the indoor unit No.
  • Page 66 Item No. (DN) table (Selection of function) Item Description At shipment Filter sign lighting time} 0000 : None 0002 : 2500H 0002 : 2500H (4-Way/Duct/Ceiling Type) Dirty state of filter 0000 : Standard 0001 : High degree of dirt 0000 : Standard (Half of standard time) Central control address 0001 : No.1 unit...
  • Page 67 Item Description At shipment Timer set 0000 : Available (Operable) 0000 : Available (Wired remote controller) 0001 : Unavailable (Operation prohibited) Correction of high heat feeling 0000 : None 0001 : Correction 0000 : None Self clean time 0000: None 0000: None 0001: 0.5h to 0.012: 6.0h The case that compressor-ON time is 10 to 60 minutes is...
  • Page 68 8-1-4. Cabling 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 controlled by 2 remote controllers. Change DIP switch inside of the rear side of the (Max.
  • Page 69 Wireless remote controller (A-B selection) Using 2 wireless remote controllers for the respec- tive air conditioners, when the 2 air conditioners are closely installed. Wireless remote controller B setup 1. Start the air conditioner. 2. Point the wireless remote controller at the indoor unit.
  • Page 70 8-1-5. Monitor Function of Remote Controller Calling of sensor temperature display <Contents> Each sensor temperature of the remote controller, indoor unit, and outdoor unit can become known 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 71 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. 01 01 01 01 01 Service Check goes on, the CODE No. is displayed, and TEMP.
  • Page 72 Indoor unit power-ON sequence • The unit without power feed waits entirely → Waiting status is released by system start Power ON • Reboot when power is fed on the way <By indoor unit which receives power feed from outdoor unit> <Automatic address judgment>...

  • Page 73: Setup At Local Site / Others

    8-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 8-2-1. 1:1 Model Connection Interface (TCC-LINK adapter) 1. Function This model is an optional P.C. board to connect the indoor unit to 1:1 model connection interface. 2. Microprocessor block diagram Indoor unit Central controller 1:1 model connection interface...
  • Page 74 4. Wiring Specifications • Use 2-core with no polar wire. No. of wires Size • Match the length of wire to wire length of the central control system. If mixed in the SMMS system, the wire length is Up to 1000m: twisted wire 1.25mm Up to 2000m: twisted wire 2.0mm lengthened with all indoor/outdoor inter-unit wire length at side.

  • Page 75: How To Set Up Central Control Address Number

    6. External view of P.C. board assembly Terminator (SW01) 7. Address setup In addition to set up the central control address, it is necessary to change the indoor unit number. (Line/Indoor/Group address). For details, refer to 1:1 model connection interface Installation Manual. 8-3.
  • Page 76 How to confirm the central control address (New function for AMT32E remote controller) How to confirm the central control address (New function for AMT32E remote controller) <Procedure> It can be confirmed even during operation or stopping. <Procedure> It can be confirmed even during operation or stopping. UNIT LOUVER UNIT LOUVER Push...

  • Page 77: Address Setup

    9. ADDRESS SETUP 9-1. Address Setup <Address setup procedure> When an outdoor unit and an indoor unit are connected and they are twin-triple, 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 78: Address Setup & Group Control

    9-2. 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 = Header unit in group control 2 = Follower unit in group control Header unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/ from the remote controllers and follower indoor units.
  • Page 79 4. Single group operation • Each indoor unit controls the outdoor unit individually. Header/Sub Header/Sub Header/Master Header/Sub Header/Sub 5. Multiple groups operation (Manual address setting) Header/Sub Header/Sub Follower/Sub Header/Master Follower/Sub Follower/Sub • Master unit: The master unit receives the indoor unit data (thermo status) of the sub (Without identical line address &...
  • Page 80 9-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) (1-1) (1-2) (1-1) (1-2) (1-3) Individual Header/Master Follower/Sub Header/Sub Follower/Master Follower/Sub (Header/Master) Only turning on source power supply (Automatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin) Header/Sub Header/Sub Header/Master...

  • Page 81: Address Setup (Manual Setting From Remote Controller)

    9-3. Address Setup (Manual Setting from Remote Controller) In case that addresses of the indoor units will be (Example of 2-lines wiring) (Real line: Wiring, Broken line: Refrigerant pipe) determined prior to piping work after wiring work • Set an indoor unit per a remote controller. Outdoor Outdoor 1 2 3...

  • Page 82: Confirmation Of Indoor Unit No. Position

    9-4. Confirmation of Indoor Unit No. Position 1. To know the indoor unit addresses though position of the indoor unit body is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...

  • Page 83: Detachments

    10. DETACHMENTS 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. NOTE In a section 10, Detachments, the models are expressed as follows for convenience.
  • Page 84 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 85 Part name Procedure Remarks Electric parts 1. Detachment 1) Perform works of 1 of (In case of under air intake) 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 86 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 87 Part name Procedure Remarks 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 When removing the drain cap, be sure to drain socket. receive drain water using a bucket, etc.
  • Page 88 Part name Procedure Remarks 1. Detachment Heat : Screw position 1) Recover the refrigerant gas and then exchanger remove the refrigerant pipe of the indoor unit. 90 Type 2) Perform works of 1 of 3) Pull out TC sensor and TCJ sensor wirings Heat exchanger fixed plate from the holder.

  • Page 89: Exploded Views And Parts List

    11. EXPLODED VIEWS AND PARTS LIST RAV-GM901BTP-E, RAV-GM901BTP-TR - 89 -...
  • Page 90 Model name Location RAV-GM Part No. Description 901BTP-E 901BTP-TR 43T21446 MOTOR, FAN 43T20339 FAN, MULTI BLADE 43T70315 HOSE, DRAIN 43T44617 REFRIGERANT CYCLE ASSEMBLY 43T22336 CASE, FAN, LOWER 43T22338 CASE, FAN, UPPER 43T72319 PAN ASSY, DRAIN 43T82337 SOCKET 43T79321 CAP, DRAIN 43T70319 ASM-HOSE-DRAIN 43T39358...
  • Page 91 Electric parts CN104 RY01 CH-49-Z-T Lot No. R CN01 Model name Location RAV-GM Part No. Description 901BTP-E 901BTP-TR 43T50347 SENSOR ASSY, SERVICE 43T50476 SERVICE-SENSOR 43T58320 REACTOR 43T60427 TERMINAL BLOCK 43T60434 TERMINAL BLOCK, 2P 43T6W328 PC BOARD ASSY 43T50351 HOLDER-TA 43T63348 CLAMP, DOWN 43T63349 CLAMP, UP...
  • Page 92 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit Important 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 NOTE 2 : not exceed a set limit. The standards for minimum room volume are as follows.
  • Page 93 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.

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