Toshiba RAV-HM1101UTP Series Service Manual Download Page 50

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-3. Indoor Print Circuit Board

<MCC-1643>

2/1/13 10:59 AM

Optional power supply (CN309)

“1:1 model” Connection inter CN50

EEPROM IC503

Remote controller CN41

Indoor/Outdoor inter-unit cable CN67

TCJ sensor CN102

TC sensor CN101

TA sensor CN104

External input/output (UART) CN521

DISP(CN72)

CHK(CN71)

HA CN61

Louver CN510

Drain pump kit CN504

DC fan output CN210

Ventilation output CN32

Float SW CN34

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Summary of Contents for RAV-HM1101UTP Series

Page 1: ...OR UNIT 4 way cassette type RAV HM561UTP Series RAV HM801UTP Series RAV HM901UTP Series RAV HM1101UTP Series RAV HM1401UTP Series RAV HM1601UTP Series AIR CONDITIONER SPLIT TYPE Revised on Aug 2022 R32 FILE NO SVM 22021 1 ...

Page 2: ...2 Control Specifications 6 3 Indoor Print Circuit Board 7 TROUBLESHOOTING 7 1 Summary of Troubleshooting 7 2 Troubleshooting 8 REPLACEMENT OF SERVICE P C BOARD 9 SETUP AT LOCAL SITE AND OTHERS 9 1 Indoor Unit 9 2 Setup at Local Site Others 9 3 How to Set up Central Control Address Number 10 ADDRESS SETUP 10 1 Address Setup 10 2 Address Setup Group Control 10 3 Address Setup Manual Setting from Rem...

Page 3: ...o this work s The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by 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 s The quali...

Page 4: ...y be caused on the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed WARNING CAUTION n o i t a n a l p x E n o i t a c i d n I Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentence...

Page 5: ...g WARNING WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION CAUTION High temperature parts You might get burned when removing this panel High temperature parts You might get burned when removing this panel CAUTION CAUTION Do not touch the aluminium fins of t...

Page 6: ...nds are heard the air conditioner fails to cool or heat or water is leaking has occurred in the air conditioner do not touch the air conditioner yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrive...

Page 7: ...n working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work Before working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a ...

Page 8: ...te of the service port is changed from one of the former R22 Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body For an air conditioner which uses R32 never use other refrigerant than R32 For an air ...

Page 9: ...tight test The charge hose must be connected in such a way that it is not slack For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused Check after repair Once the repair work has been completed check for refrigerant leaks and check the insulation resistan...

Page 10: ...utdoor unit Capacity overflow may occur on the terminal block and may result in fire Do not install the air conditioner in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the indoor unit at least 2 5 m above the floor level since otherwise the users may injure themselves or receive ...

Page 11: ...V HM901UTP E RAV HM1101UTP E RAV HM1401UTP E RAV HM1601UTP E Commercial name Digital Inverter Series Super Digital Inverter Series Air Conditioner Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Name Position Date Place Issued Masaru Takeyama GM Quality Assurance Dept 5 April 2022 Thailand NOTE This declaration becomes ...

Page 12: ...d below Generic Denomination Air Conditioner Model type Commercial name Digital Inverter Series Super Digital Inverter Series Air Conditioner Complies with the provisions of the Supply of Machinery Safety Regulations 2008 Name Position Date Place Issued Masaru Takeyama GM Quality Assurance Dept 5 April 2022 Thailand NOTE This declaration becomes invalid if technical or operational modifi cations a...

Page 13: ...ooling Heating RAV HM561UTP E 20 4 2 RAV HM801UTP E 20 4 2 RAV HM901UTP E 24 4 2 RAV HM1101UTP E 24 4 2 RAV HM1401UTP E 24 4 2 RAV HM1601UTP E 24 4 2 RAV HM561UTP TR 20 4 2 RAV HM801UTP TR 20 4 2 RAV HM1101UTP TR 24 4 2 RAV HM1401UTP TR 24 4 2 RAV HM1601UTP TR 24 4 2 Under 70 dBA 13 ...

Page 14: ...c hot dipping steel plate Ceiling panel Sold separately RBC U33P E RBC U32PGP E RBC U41PG E Height mm 256 256 256 319 Width mm 840 840 840 840 Depth mm 840 840 840 840 Height mm 30 30 30 30 Width mm 950 950 950 950 Depth mm 950 950 950 950 Total weight Main unit kg 20 20 20 24 Heat exchanger Finned tube Fan Turbo fan Standard air flow H M L m3 min 17 5 14 5 13 0 17 5 14 5 13 0 20 5 16 0 13 5 26 7 ...

Page 15: ... 10 29 00 16 10 Main unit Zinc hot dipping steel plate Ceiling panel Sold separately RBC U33P E RBC U32PGP E RBC U41PG E Height mm 319 319 319 319 319 319 Width mm 840 840 840 840 840 840 Depth mm 840 840 840 840 840 840 Height mm 30 30 30 30 30 30 Width mm 950 950 950 950 950 950 Depth mm 950 950 950 950 950 950 Total weight Main unit kg 24 24 24 24 24 24 Heat exchanger Finned tube Fan Turbo fan ...

Page 16: ... mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R32 refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the ...

Page 17: ... by attaching vacuum pump adapter 7 Screwdriver h c n e r w y e k n o M r o r e n n a p S 8 h c n e r w e u q r o T 2 l l i r d e r o c e l o H 9 r e t t u c e p i P 3 m m 4 e d i s e t i s o p p O h c n e r w n o g a x e H 0 1 r e m a e R 4 e r u s a e m e p a T 1 1 r e d n e b e p i P 5 w a s l a t e M 2 1 l a i v l e v e L 6 Also prepare the following equipments for other installation method an...

Page 18: ...r branch duct knockout square hole Ø150 2 positions For branch duct knockout square hole Ø150 Bottom face of ceiling An obstacle Standing 850 or less 300 Standing 661 or less The space that is necessary for equipping and service Drain upstanding size 1000 or more 1000 or more 15 or more 15 or more 1000 or more Bottom face of ceiling Indoor unit Bottom face of ceiling Bottom face of ceiling Ceiling...

Page 19: ...5 Ø162 For branch duct knockout square hole Ø150 2 positions 132 256 Hanging bolt M10 or Ø3 8 procured by locally 351 74 105 384 16 5 105 77 129 knockout square hole Ø150 For branch duct Ceiling panel sold separately Bottom face of ceiling 29 For branch duct knockout square hole Ø150 Z 64 5 7 6 1 2 8 5 3 2 187 155 Knockout for simple OA for Ø100 Bottom face of ceiling 362 5 105 372 5 840 Unit exte...

Page 20: ...re hole Ø150 Ceiling panel sold separately Bottom face of ceiling 80 240 135 105 207 5 105 287 5 840 Unit external dimension 408 For branch duct knockout square hole Ø150 2 positions Electric parts box 77 129 10 5 74 Ø162 105 For branch duct knockout square hole Ø150 Drain pipe connecting port Meterial PP 112 44 172 g n i l i e c f o e c a f m o t t o B g n i r i w f o t r o p n i e k a T 30 An ob...

Page 21: ...5 Ø162 For branch duct knockout square hole Ø150 2 positions 132 256 Hanging bolt M10 or Ø3 8 procured by locally 351 74 105 384 16 5 105 77 129 knockout square hole Ø150 For branch duct Ceiling panel sold separately Bottom face of ceiling 29 For branch duct knockout square hole Ø150 Z 64 5 7 6 1 2 8 5 3 2 187 155 Knockout for simple OA for Ø100 Bottom face of ceiling 362 5 105 372 5 840 Unit exte...

Page 22: ...port of wiring Refrigerant pipe connecting port Ø9 5 Liquid side Refrigerant pipe connecting port Ø15 9 Gas side For branch duct knockout square hole Ø150 2 positions An obstacle Standing 850 or less 300 Standing 661 or less The space that is necessary for equipping and service Drain upstanding size 1000 or more 1000 or more 15 or more 15 or more 1000 or more Bottom face of ceiling Indoor unit Uni...

Page 23: ... pipe connecting port Ø9 5 Liquid side Refrigerant pipe connecting port Ø15 9 Gas side Bottom face of ceiling 80 240 Ø162 105 Ø162 For branch duct knockout square hole Ø150 2 positions 137 105 287 5 135 105 207 5 840 Unit external dimension 950 Panel external dimension 780 Hanging bolt pitch 323 950 Panel external dimension 690 20 Hanging bolt pitch 416 5 4 5 269 408 Electric parts box 362 5 372 5...

Page 24: ...ination of 1 indoor unit and 1 outdoor unit Twin type Combination of 2 indoor units and 1 outdoor unit Indoor unit HM56 2 Branch pipe RBC TWP30E2 A B C D 6 4 12 7 9 5 15 9 Dimension table Indoor unit HM56 type Outer diameter of refrigerant pipe Gas side ØA Liquid side ØB 12 7 6 4 HM80 90 110 140 160 type 15 9 9 5 Capillary tube specifications Model RAV HM UTP HM56 type HM80 type HM90 110 140 160 t...

Page 25: ...o outdoor unit Liquid side refrigerant pipe outer diameter ϕ C Gas side refrigerant pipe outer diameter ϕ D TC sensor TC sensor Liquid side refrigerant pipe outer diameter ϕ A Liquid side refrigerant pipe outer diameter ϕ A Liquid side refrigerant pipe outer diameter ϕ A Gas side refrigerant pipe outer diameter ϕ B Gas side refrigerant pipe outer diameter ϕ B Gas side refrigerant pipe outer diamet...

Page 26: ... unit To outdoor unit Liquid side refrigerant pipe outer diameter ϕ C Gas side refrigerant pipe outer diameter ϕ D Liquid side refrigerant pipe outer diameter ϕ E Gas side refrigerant pipe outer diameter ϕ F Liquid side refrigerant pipe outer diameter ϕ A Liquid side refrigerant pipe outer diameter ϕ A Liquid side refrigerant pipe outer diameter ϕ A Liquid side refrigerant pipe outer diameter ϕ C ...

Page 27: ...4 WIRING DIAGRAM Indoor Unit 27 ...

Page 28: ...S 1A 31 3 MDP 1401 Specifications Output Rated 60 W 10 kΩ at 25 C 10 kΩ at 25 C 10 kΩ at 25 C Type ICF 340D130 3 328 mm Ø6 mm 1000 mm Ø6 mm 1000 mm FS 1A 31 3 MDP 1401 No 1 2 3 4 5 6 Parts name Fan motor Thermo sensor TA sensor Heat exchanger sensor TCJ sensor Heat exchanger sensor TC sensor Float switch Drain pump motor Specifications Output Rated 130 W 10 kΩ at 25 C 10 kΩ at 25 C 10 kΩ at 25 C 5...

Page 29: ...itch CN2 CN1 3 MCU Display LED Display LCD LCD driver MCU Remote controller communication circuit Function setup Key switch Power circuit Power circuit DC280V EEPROM TA sensor TC sensor TCJ sensor Float input HA TCC LINK communication circuit Run Warning Defrost Thermo ON COOL HEAT FAN Serial send receive circuit AC synchronous signal input circuit Power circuit Secondary battery Outdoor unit 3 2 ...

Page 30: ...mote controller communication circuit W S p u t e s n o i t c n u F t i u c r i c e v i e c e R MCU Buzzer Display LED DC5V Power circuit Remote controller communication circuit Power circuit DC280V EEPROM TA sensor TC sensor TCJ sensor Float input HA TCC LINK communication circuit Run Warning Defrost Thermo ON COOL HEAT FAN Serial send receive circuit AC synchronous signal input circuit Outdoor u...

Page 31: ...e controller command STOP FAN COOL DRY HEAT AUTO Control outline Air conditioner stops Fan operation Cooling operation Dry operation Heating operation COOL HEAT operation mode is automatically selected by Ta Ts and To for operation The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts α 1 Ta Ts α 1 Cooling thermo OFF Fan Setup a...

Page 32: ... room temperature value are calculated to obtain the correction value of the frequency command and then the present frequency command is corrected Ts n Ta n Room temp difference n Counts of detection Ta n Ta n 1 Varied room temp value n 1 Counts of detection of 1 minute before 4 Dry operation The frequency correction control is same as those of the cooling operation However the maximum frequency i...

Page 33: ...as started select a downward slope for the air speed that is the high position If the temperature is just on the difference boundary the air speed does not change Mode in the parentheses indicates one in automatic cooling operation HEAT Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermostat of the body works If ...

Page 34: ...he mode becomes UL 210 rpm Tap F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD HM56 HM80 HM110 HM140 Revolution speed rpm 610 630 700 700 550 590 670 670 500 530 660 660 450 470 640 650 400 450 620 640 390 440 610 630 370 410 550 560 350 380 490 490 340 370 480 480 330 350 450 460 320 330 420 430 310 320 400 420 250 250 300 300 CODE No 5d SW501 1 2 Tap F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD Standard Type 1...

Page 35: ...quency changes every 30 seconds while operation is performed in J zone In K zone time counting is interrupted and the operation is held When I zone is detected the timer is cleared and the operation returns to the normal operation If the commanded frequency becomes S0 because the operation continues in J zone the return temperature A is raised from 5 C to 12 C until I zone is detected and the indo...

Page 36: ...uding Dry operation the drain pump is usually operated 2 If the float switch works while drain pump drives the compressor stops the drain pump continues the operation and a check code is output 3 If the float switch works while drain pump stops the 4 The drain pump doesn t stop immediately to decrease the drain water in the drain pan when the cooling operation including Dry operation was stopped a...

Page 37: ...tomatically set to horizontal discharge position when PRE HEAT Heating ready is displayed heating thermo is off or self cleaning is performed Individual air direction setup Pushing UNIT LOUVER Louver select button enables every discharge port to set up the air direction In case of no input key operation for approx 5 seconds during setting of individual air direction during displaying of louver No ...

Page 38: ...and set by the setup data of CODE No DN F0 In case of selecting the Swing mode Dual swing or Cycle swing the following numerals is displayed at the center of the remote controller screen for approx 3 seconds when SWING FIX button was pushed to select SWING No display for the standard swing Louver lock Louver fix For the air direction setup for each discharge port the louver position can be locked ...

Page 39: ...tion the temperature cannot be adjusted An error is detected as usual A frequency fixed operation is performed 4 After the test run push ON OFF button to stop the operation Display in the display part is same as the procedure in Item 1 5 Push TEST button to clear the test run mode TEST display in the display part disappears and the status returns to the normal stop status Control which ignores loc...

Page 40: ...culate correction value of the setup temperature 5 The setup temperature is shifted every 20 minutes and the shifted range is as follows In cooling time 1 5 to 1 0K In heating time 1 5 to 1 0K 1 This control is operated by selecting AUTO operation mode 2 COOL operation mode It is controlled according to the following figure if To 28 C Remarks 3 HEAT operation mode It is controlled according to the...

Page 41: ...eriod None 1 hour 2 hours FAN Fan only UL Drain pump STOP Louver Horizontal discharge position 21 Power saving Energy saving operation In the case of RBC AMTU3 For RBC AMSU5 remote controller refer to its owner s manual SAVE 1 Turn on button on the remote controller 2 During operation of save operation SAVE lights on the wired remote controller 3 During power save operation the current release con...

Page 42: ...ings of the air direction and air volume are changeable during this operation 9 The indoor fan stops to protect the compressor for 2 minutes after start of heating operation Thermo ON by this function Remarks In a group connection if there is even one combination with other unit This function is not provided is displayed The setup temperature jumps from 18 to 8 24 Occupancy sensor 1 During the Occ...

Page 43: ...ling operations and dry mode can be set 2 Change the fan speed by operating CODE No DN 9A 3 Select Remote controller setting if changing fan speed is not desired during thermostat OFF When selecting 0002 OFF make sure to use the Remote controller sensor or Remote sensor unit so that the room temperature can be detected properly 28 Draft prevention control 1 This function prevents cold air from des...

Page 44: ...on control the DN code 1C1 for the header unit must be set to 0001 valid 4 The intervals to switch the operations can be set by setting the CODE No DN 1C2 in increments of days maximum 28 days 5 Start the other operation 30 minutes before the end of one operation Rotation lap time can be set in increments of 10 minutes by setting the CODE No DN 1C3 maximum 70 minutes 6 A check code will show on th...

Page 45: ... function within the wired remote controller Refer to page 82 or the manual for the remote controller for operation method of Monitor function 31 Defrost shift 1 This control is to change the starting time of defrosting operations to avoid temperature drop when multiple air conditioners that belong to refrigerant systems are installed in the same space and the defrosting operations there of start ...

Page 46: ...iod of normal cooling operations or heating operations the frequency of the outdoor unit compressor which is operating under the highest load will be limited This function is invalid with auto cooling operations dry operations and air fan operations 4 The frequency is limited 10 at the maximum in accordance with the temperature difference of TA indoor temperature and Ts set temperature Δt TA Ts du...

Page 47: ... combining a device that uses the outdoor temperature 2 This function is valid by setting the CODE No DN 1C8 from the wired remote controller and when the outdoor temperature satisfies certain conditions the output for the CN32 connector on the indoor P C board will turn ON Use processed air when taking in fresh air Watch for condensation of devices when taking in fresh air at low temperatures 3 T...

Page 48: ...Temp set air high Ts a TAL Temp set air low TAH b 4 The output can be turned on by the outdoor temperature when CODE No DN C7 is set to 0001 1ºC to 0010 10ºC using the wired remote controller Control Outline Flip Mode 1 If the difference between the room temperature and the set temperature is large while using secondary heating run the air conditioner 2 This function is valid when the CODE No DN C...

Page 49: ...60 on indoor P C board for output Indoor control P C board Relay DC12V procured locally Corresponds to the relay up to one that the rated current of the operation coil is approx 75mA Connect to secondary heating unit Note Determine the cable length between the indoor control P C board and the relay within 2m CN60 Option output 6P WHI 1 2 3 4 5 6 2 If there is no CN60 on the P C board MCC 1643 mode...

Page 50: ... model Connection inter CN50 EEPROM IC503 Remote controller CN41 Indoor Outdoor inter unit cable CN67 TCJ sensor CN102 TC sensor CN101 TA sensor CN104 External input output UART CN521 DISP CN72 CHK CN71 HA CN61 Louver CN510 Drain pump kit CN504 DC fan output CN210 Ventilation output CN32 Float SW CN34 50 ...

Page 51: ...pen Static input ON OFF input 1 2 0V 3 Remote controller prohibited input Permission Prohibition of remote controller operation stop is performed by input 4 Operation output Open collector Operation ON Answer back of HA 5 DC12V 6 Warning output Open collector Warning output ON CHK Operation check CN71 1 This check is used to check indoor operation Performs operation of indoor fan H Louver horizont...

Page 52: ...ooling operation Is not defrost operation performed 4 ON OFF operation cannot be performed from remote controller Is not the control operation performed from outside remote side Is not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed for maximum approx 5 minutes after power ON Is not being ...

Page 53: ...d from remote controller Is not forced operation performed Is not the control operation performed from outside remote side Is not automatic address being set up Is not being carried out a test run by operation of the outdoor controller a Did you return the cabling to the initial positions b Are connecting cables between indoor unit and receiving unit correct 2 Troubleshooting procedure When the po...

Page 54: ...ng trouble Receiving unit Miswiring or wire connection trouble Sending trouble Communication stop between receiving unit and indoor unit Duplicated indoor unit No Setup trouble Duplicated header units of remote controller Communication trouble between Application control kit and indoor unit P C board Wire connection trouble between indoor units Indoor power OFF Communication stop between indoor he...

Page 55: ...Temp sensor TS trouble Temp sensor TH trouble Temp Sensor miswiring TE TS Indoor EEPROM trouble Outdoor EEPROM trouble Compressor break do F30 Occupancy sensor trouble wn Compressor lock Current detection circuit trouble Outdoor compressor system trouble 1 Case thermostat worked Outdoor unit low pressure system trouble Duplicated header indoor units There is indoor unit of group connection AUTO ad...

Page 56: ...imer Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run Disagreement of cool heat Automatic cool heat setting to automatic cool heat prohibited model or setting of heating to cooling only model 56 ...

Page 57: ...ndoor unit is unset Duplicated setting of central control system address Abnormal stop by outside trouble CN80 TB2 IN1 input An trouble of indoor AC fan was detected Fan motor thermal relay worked Float switch worked Indoor DC fan trouble Over current Lock etc was detected In heating operation a trouble was detected by temp down of indoor heat exchanger sensor Follower unit in group cannot operate...

Page 58: ... when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Displayed when trouble is detected Judgment and measures 1 Check cables of remote controller and communication adapters Remote co...

Page 59: ...tomatic reset If central controller exists operation continues Stop Automatic reset If central controller exists operation continues Stop Follower unit continues operation Stop Automatic reset Continues By remote controller Continuation Stop According to each case Condition Judgment and measures Power supply trouble of remote controller Indoor EEPROM trouble 1 Check remote controller inter unit wi...

Page 60: ... unit Is the connector on the harness or the harness from terminal block of indoor unit connected correctly Check power connection of indoor unit Turn on power again Replace indoor P C board MCC 1643 Correct as a header unit and a follower unit Replace remote controller P C board Correct a header unit a follower unit Remote controller address connector Correct connection of connector Check circuit...

Page 61: ...ltage between 2 and 3 of terminal blocks 1 2 3 vary Replace outdoor P C board Replace indoor P C board Replace indoor P C board Correct wiring of connector and terminal blocks Correct wiring and inter unit cables Check CODE No 14 YES YES YES YES YES NO NO NO NO NO MCC 1643 As shown in the following figure carry out measurement within 20 seconds after the power was turned on Black S5277G White Term...

Page 62: ...tion cut Does Red LED LD1 on the Application control kit light up Red LED LD1 on the Application control kit repeatedly lights up and flashes on and off Red LED LD1 of the Application control kit blinks NO NO Replace Application control kit TCB PCUC2E YES Check the operating status Repair of connector connection YES Replacement of the connector s lead wire Replace indoor P C board MCC 1643 Option ...

Page 63: ...ial signal line Check power connection status of indoor unit Connect again Correct connection of connector Check circuit wiring Correct inter unit cable of remote controller NO YES YES YES NO YES YES NO NO NO YES NO E18 trouble E08 L03 L07 L08 trouble E08 Duplicated indoor unit No L03 There are 2 or more header units in a group control L07 There is 1 or more group address Individual in a group con...

Page 64: ...system addresses connected Is there check code on follower unit in master and sub remote controllers Are wiring connections to communication lines Uh U3 U4 normal Replace central controller including 1 1 model connection interface and indoor P C board MCC 1643 Correct wiring connection Correct central control system address Replace outside devices Replace indoor P C board MCC 1643 YES YES YES NO Y...

Page 65: ... connection of float switch connector Indoor control board CN34 normal Replace TA sensor Correct connection of connector Check the drain pipe etc Replace drain pump Check wiring Replace drain pump and indoor P C board MCC 1643 Correct connection of connector Replace indoor P C board MCC 1643 Check and correct wiring and wire circuit YES YES YES YES YES YES YES NO NO O N NO NO NO NO P10 trouble Che...

Page 66: ...643 Disconnect the connector CN210 to the indoor P C board Is the connector CN210 of indoor unit P C board connected correctly Does the fan turn smoothly when turned by hand Is each resistance value on the motor side of the fan motor connector CN210 of the indoor P C board correct Is F01 of the indoor P C board normal Is R04 or R05 of the indoor P C board normal Pin No 2 3 Color Blue Yellow White ...

Page 67: ...nsor resistance value normal Is connection of TC sensor connector CN101 on Indoor P C board correct Refer to TC Characteristics Replace TC sensor Replace indoor P C board MCC 1643 Correct connection of connector Are characteristics of TCJ sensor resistance value normal Is connection of TCJ sensor connector CN102 on Indoor P C board correct Refer to TCJ sensor Temperature Resistance value character...

Page 68: ... normal Correct the connector connection Is DN code B5 setup By the wired remote controller change the enable DN code B5 from 0000 0001 Replace the indoor P C board MCC 1643 No Yes Is the Occupancy sensor unit normal Exchange the Occupancy sensor unit No Yes No Yes 68 ...

Page 69: ...A and B terminal blocks Correct communication line of remote controller 1 Is connection of connector normal Replace power supply transformer on 1 1 model connection interface MCC 1440 Can the other indoor units be normally controlled from the central controller Or is the operation status of indoor unit reflected 1 CN51 of 1 1 model connection interface TCC LINK adapter P C board MCC 1440 and CN050...

Page 70: ...ring operation of the air conditioner Replace the service P C board When EEPROM was not inserted when power supply turned on or when the EEPROM data read write operation is impossible at all the automatic address mode is repeated In this time C06 trouble is displayed on the central controller P31 trouble Follower indoor unit When the header unit of a group operation detected E03 L03 L07 or L08 tro...

Page 71: ...80 90 100 Resistance value kΩ Ω Ω Ω Ω Minimum value Standard value Maximum value 32 33 33 80 35 30 19 63 20 35 21 09 12 23 12 59 12 95 9 75 10 00 10 25 7 764 7 990 8 218 5 013 5 192 5 375 3 312 3 451 3 594 2 236 2 343 2 454 1 540 1 623 1 709 1 082 1 146 1 213 0 7740 0 8237 0 8761 0 5634 0 6023 0 6434 Temperature sensor Temperature Resistance value characteristic table 71 ...

Page 72: ...m the cooling cycle confirmation through the trial operation Replacement procedures CASE 1 Before replacement the indoor unit can be turned on and the setting data can be read out by wired remote control operation EEPROM data read out 1 Ø Replacement of P C board for Indoor unit servicing and power on 2 Ø Writing the read out EEPROM data 3 Ø Power reset for all indoor units connected to the remote...

Page 73: ... the table 1 example The Code No DN are ranged from 01 to FE The Code No DN may skip RBC AMTU3 Step 1 Push and button on the remote controller simultaneously for more than 4 seconds When the group operation control is performed the unit No displayed for the first time is the header unit No At this time the CODE No DN shows 10 Also the fan of the indoor unit selected starts its operation and the sw...

Page 74: ... starts and the manual resetting may be required again when the multiple units group operation including twin system Step3 After writing down all setting data push ON OFF button to return to the normal stop status It takes approx 1 min until the remote controller operation is available again CODE No required at least DN 10 11 12 13 14 E0 Contents Type Indoor unit capacity Line address Indoor unit ...

Page 75: ...ore RCB AMSU5 MENU V 4 seconds or more Code No DN 100 and later cannot be set so after setting the address DN 12 13 14 restart and proceed to 3 b Group operation including twin system Turn on the indoor unit s with its P C board replaced to the P C board for indoor unit servicing according to either methods 1 or 2 shown below 1 Turn on only the indoor unit with its P C board replaced Be sure to co...

Page 76: ...tton to make Code No flash And set the Code No DN to10 2 Push the menu button to make SET DATA flash And select the type by pushing the or buttons For example 4 way Cassette Type is set to 0001 Refer to table 2 3 Push OFF timer button The changed data is set 4 Change the Code No DN to 11 by pushing the or buttons 5 Select the capacity by pushing the or buttons For example 160 Type is set to 0018 R...

Page 77: ...o 11 by pushing buttons for the temperature setting 5 Select the capacity by pushing buttons for the timer setting 6 For example 160 Type is set to 0018 Refer to table 2 Push button The setting completes if the setting data are displayed 7 Using the set temperature buttons set CE to the CODE No DN 8 Using the timer time buttons set the dat 0001 9 Push button The setting completes if the setting da...

Page 78: ...le 56 80 90 110 0000 0009 0012 0013 0015 RAV HM UTP CAUTION Model name RAV HM UTP For this model please make all the following settings EEPROM initial value on the P C board for indoor unit servicing For other CODE No refer to Function CODE No DN Code table on page 81 CODE No DN E0 Setting data 0004 Description Global model 140 0017 160 0018 78 ...

Page 79: ...mode other than Cool or Heat The temperature setting function does not work during test run The check code is displayed as usual 4 After the test run push OFF timer button to stop a test run TEST disappears on the display and the air conditioner enters the normal stop mode 9 SETUP AT LOCAL SITE AND OTHERS 9 1 Indoor Unit 9 1 1 Test Run Setup on Remote Controller RBC ASCU1 Be sure to stop the air c...

Page 80: ...he case of subsequent power on it takes approx 1 minute until the remote controller becomes available Execute a test run after the predetermined time has passed 2 Push ON OFF button on the remote controller select Cool or Heat with MODE button and then select HIGH with FAN button 3 4 5 Cooling test run Heating test run Set the temperature to 17 C with the temp setup buttons Set the temperature to ...

Page 81: ...goes on Goes on by operation of the main microcomputer at the same time when the power supply is turned on It flashes with 1 second interval every 0 5 second When there is no EEPROM or writing in operation fails It flashes with 10 seconds interval every 5 second During DISP mode It flashes with 2 seconds interval every 1 second While setting of function select EEPROM 2 D403 Red It goes on when pow...

Page 82: ...or which to change settings 3 6 4 5 1 7 2 4 5 Indoor unit No 4 Push the menu button to make Code No flash Change Code No with setting button 5 Push the menu button to make Set data flash Change Set data with setting button 6 Push OFF timer button to complete the set up To change other settings of the selected indoor unit repeat from Procedure 4 7 When all the settings have been completed push ON O...

Page 83: ...n to select the CODE No DN code of the desired function 4 Use the button to select the desired SET DATA associated with the selected function 5 Push the button The display changes from flashing to steady To change the selected indoor unit go back to step 2 To change the selected function go back to step 3 6 When the button is pushed the system returns to normal off state NOTE For details on how to...

Page 84: ...assette Type 10 0000 1 way Cassette to 0038 0001 4 way Cassette 0F Cooling only 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0000 Heat pump 0d Existence of AUTO mode 0000 Provided 0001 Not provided Automatic selection from connected outdoor unit 0000 Provided 04 Specific indoor unit priority 0000 No priority 0001 Priority 0000 No priority 03 Central control address 0001 No 1 unit 0001 ...

Page 85: ... 0000 Japan 0004 Global 0004 Global Fb Power shift 0000 Unavailable 0001 Available 0000 Unavailable FC Communication protocol 2 0000 TCC LINK 0004 TU2C LINK 0004 TU2C LINK C7 Secondary heating c H L Temp TO TO 0000 Unavailable 0001 1 C to 0010 10 C 0000 Unavailable C6 Secondary heating Set Temp out high 0015 15 C to 0015 15 C 0000 0 C db Secondary heating b Temp TAH TAL 0001 0 5 C to 0010 5 0 C 00...

Page 86: ... U series 0002 00Un 0000 TU2C LINK TCC LINK Other than U series TCC LINK 0002 0099 0000 DN Item Description At shipment 120 Defrost shift 0000 Unavailable 0001 Available 0001 Available 121 Draft prevention control 0000 Unavailable 0001 Available 0001 Available 1C1 Rotation operation 0000 Unavailable 0001 Available 0000 Unavailable 1C2 Rotation interval 0001 1 day to 0028 28 days 0001 1 day 1C3 Rot...

Page 87: ...te controllers This control is to operate 1 or multiple indoor units are operated by 2 remote controllers Max 2 remote controllers are connectable When connected 2 remote controllers operate an indoor unit Wired remote controller RBC ASCU1 Remove the rear cover of the remote controller and change the DIP switch Be sure to turn off the breaker first Wireless remote controller RBC AXU41U Remove the ...

Page 88: ...display 5 Push the MODE button during pushing CHK B will be shown on the display and 00 will be disappear and the air conditioner will turn OFF The wireless remote controller B is memorized Note Repeat above step to reset wireless remote controller to be A The wireless remote controllers do not display A The factory default of the wireless remote controllers is A 㹑㹕㸱㸮㹁㹌㸯㸯㸰㸱ࠉ 㸲ࠉ SW30 ON Signal ...

Page 89: ...the selected indoor unit 4 Every pushing buttons CODE No of the item is changed successively 5 After you have finished checking push the ON OFF button to return to normal mode 1 2 4 2 4 5 3 1 RBC AMTU3 1 Push buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and temperature of the CODE No 00 is firstly displayed 2 Push the temperature setu...

Page 90: ... TA C 03 Indoor heat exchanger Coil temperature TCJ C 04 Indoor heat exchanger Coil temperature TC C B9 Communication protocol 0000 TCC LINK 0001 TU2C LINK 07 Indoor fan revolution frequency rpm F2 Indoor fan calculated operation time 100h F3 Filter sign time 1h F8 C Indoor unit discharge air temperature TF 1 E5 Secondary heating output Unavailable 0000 OFF 0001 ON E6 Free cooling output Unavailab...

Page 91: ...n for over 10 seconds and the indicators appear as an image indicating the troubleshooting history mode has been entered If Service check is displayed the mode enters in the troubleshooting history mode 01 Order of troubleshooting history appears in the temperature indicator The OFF timer indicator alternately shows the check code and the indoor Unit No in which the problem occurred 2 Each time th...

Page 92: ...n outdoor unit is one of the group controls The indoor unit connected with outdoor unit Individual Header of twin controls room temperature according to setting on the remote controller System example 1 Display range on remote controller The setup range Operation mode Fan speed Set temperature of the indoor unit which was set to the header unit is reflected on the remote controller 2 Address setup...

Page 93: ...ation protocol TU2C Link TCC Link Remote controller operation is available Approx 50 seconds after power ON Regular communication between indoor units Every 30 seconds Header Follower Regular communication of the identical piping system Every 30 seconds Twin header follower When the above status changes immediately communicates Repetition The unit without power feed waits entirely Waiting status i...

Page 94: ...3 U4 1 1 model connection interface This product sold separately Caution 1 Remote controller Indoor outdoor inter unit wire AC230V serial Central control system wiring Header unit Header unit Follower unit Follower unit Follower unit Wiring for No 1 and 2 only Caution 2 Remote controller Remote controller Remote controller Remote controller wiring e l p i r t f o e l p m a x E n o i t a r e p o e ...

Page 95: ...l Central control system wiring Header unit Header unit Follower unit Follower unit Follower unit Wiring for No 1 and 2 only Remote controller Remote controller Remote controller Remote controller Remote controller wiring e l p i r t f o e l p m a x E n o i t a r e p o e l p i r T n i w T Group operation OFF at shipment from factory OFF at shipment from factory Line address SW01 Bit 1 SW01 Bit 2 R...

Page 96: ...tion interface it is necessary to set up the central control address number The central control address number is displayed as the line No of the central control remote controller How to set up from indoor unit side by remote controller Procedure Perform setup while the unit stops Terminator SW01 52 85 Set the following DN with the wired remote controller CODE No DN Irem Description Refer to 8 1 4...

Page 97: ...ndoor unit 1 1 tentatively with communication wiring END Turn on power of outdoor unit Set to all indoor units one by one Do you arbitrarily set the indoor unit address Are there multiple units of twin connections Do you change setting after automatic setting at the first time Is refrigerant line 1 line Is group control performed Setup of automatic address finishes within 4 to 5 minutes After comp...

Page 98: ...trollers Except trouble and response to demand of service data Master unit This unit communicates with the indoor unit sub which serial communicates with the Representative unit outdoor units and sends receives signal Command from compressor to from the outdoor Header Twin units as the representative of the cycle control in the indoor units of the identical line address within the minimum unit whi...

Page 99: ...information to the sub unit Sub unit The sub unit receives the indoor unit data from the master With identical line address indoor outdoor serial and then performs the thermostat operation synchronized with the master unit The sub unit sends own thermostat ON OFF demand to the master unit Example No 1 1 master unit sends receives signal to from No 1 2 and No 1 3 sub units It is not influenced by t...

Page 100: ... Example from Unset Address No miswiring 1 Standard One outdoor unit Only turning on source power supply Automatic completion 2 Group operation Multiple outdoor units Multiple indoor units with serial communication only without twin Only turning on source power supply Automatic completion 3 Multiple groups operation Change is necessary Manually change addresses of the multiple sub units simultaneo...

Page 101: ... indoor unit per a remote controller Turn on power supply Indoor unit address Group address CODE No DN Item 13 14 Description 0001 No 1 to 0128 No 128 TU2C Link 0001 No 1 to 0030 No 30 TCC Link 12 Line address 0001 No 1 to 0128 No 128 TU2C Link 0001 No 1 to 0030 No 30 TCC Link 0000 Individual 0001 Header unit 0002 Follower unit RBC ASCU1 1 Push and hold the menu buttons at same time for more than ...

Page 102: ...enu button until the CODE No flashes And using the or buttons specify the CODE No 14 10 Push the menu button until the SET DATA flashes And using the or buttons set a group address If the indoor unit is individual set the address to 0000 header unit 0001 follower unit 0002 Individual 0000 Header unit 0001 Follower unit 0002 11 Push the OFF timer button to confirm the SET DATA 12 When all the setti...

Page 103: ...e to clean the indoor outdoor units regularly will cause shortage of capacity freezing water leakage or trouble on the compressor Part name Heat exchanger Fan motor Filter Fan Suction Discharge grille Drain pan Face panel Louver External appearance Object Indoor Outdoor Contents of check Blocking with dust damage check Audibility for sound Visual check for dirt and breakage Visual check for swing ...

Page 104: ...ust corner cap Ceiling panel Knobs of air intake grille hooks Wirless receiving unit Adjust corner cap 1 1 2 Hinges Ceiling panel hook hole Safety strap hook WARNING Be sure to stop operation of the air conditioner before work and then turn off switch of the breaker CAUTION Be sure to put on gloves during working time otherwise an injury will be caused by a part etc 2 Hinges 1 Ceiling panel hook h...

Page 105: ...ctric parts box cover 2 Tighten the fixing screws A and B and then fix the electric parts box cover 3 Following to work of item 2 of 1 mount the suction grille as before Bell mouth pin Claw of electric parts box Fixing screw B Fixing screw A Potbelly hole Dharma doll hole Sliding direction Claw of electric parts box Electric parts box cover Hinge 3 Remove a strap connecting the panel and the sucti...

Page 106: ... at first 2 Attachment 1 Hook strap of the adjust corner cap securely to pin of the ceiling panel 2 Insert claw of the adjust corner cap into the square hole of the panel 2 positions 3 Push claws of the adjust corner cap into the positions indicated with arrow marks so that they fit in 3 positions Pulling direction Knob Adjust corner cap Strap Ceiling panel Adjust corner cap Pin Claws A insert to ...

Page 107: ... 3 Push claws of the adjust corner cap into the positions indicated with arrow marks so that they fit in 3 positions Claw Hook here Strap of adjust corner cap Adjust corner cap Square hole Claw A Claw A Push the claw B into the three positions securely 1 Detachment 1 Pull the knob of the adjust corner cap to the arrow direction NOTE The adjust corner cap will be kept being hung with a falling prev...

Page 108: ... louver motor wire to the electric parts box side of the indoor unit 2 Pass the head of the panel fixing screw through hole of the panel fixing bracket and then slide the panel fixing bracket inward 3 Tighten in the panel fixing screw to fix the ceiling panel 4 Following to work of item 2 of 3 attach the adjust corner cap as before 5 Connect the louver connector CN510 White 20P as before and then ...

Page 109: ...he directional properties against the indoor unit Direct the louver motor wire to the electric parts box side of the indoor unit 2 Pass the head of the panel fixing screw through hole of the panel fixing bracket and then slide the panel fixing bracket inward 3 Tighten in the panel fixing screw to fix the ceiling panel 4 Following to work of item 2 of 3 attach the adjust corner cap as before 5 Conn...

Page 110: ...mount the electric parts box cover and the suction grille as before Remarks SVM 13010_051 106 indd 92 SVM 13010_051 106 indd 92 2 1 13 2 49 PM 2 1 13 2 49 PM 1 Detachment 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 CN34 Fl...

Page 111: ...sulating materials are adhered to the drain cap outside and opening part of the drain pan be careful that they are not come off If they are come off stick them as before using double faces tape etc 4 Turn the drain cap once again to OPEN direction to remove it 2 Attachment 1 Insert the drain cap inside turn it to CLOSE direction until the position where Clashed sound is heard and it cannot be turn...

Page 112: ... electric parts box Fixing screw A Ø4 10 3 pcs Fixing screw B Ø4 10 1 pc 4 Remove the fan motor lead TC sensor and TCJ sensor from clamp of the bell mouth 5 Remove the fixing screws and then remove the bell mouth Ø4 10 8 pcs 6 Remove the fixing screws and then remove the nut cap Ø4 10 2 pcs 7 Remove the fixing nut and then remove the turbo fan M8 nut with flange 1 pc 8 Remove the fixing screws and...

Page 113: ... Procedure 2 Attachment 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 Ø4 10 3 pcs Ø4 10 1 pc 4 Connect the connector removed in item 1 as before and then fix wiring with the clamp 5 Following to work of item 2 of 2 mount the electric parts box cover and the suction grille as before Remarks 113 ...

Page 114: ...ump 5 Set direction of the knob of the hose band downward slide it from the pump connecting part to the hose side and then remove the drain hose from the drain pump 6 Pass the connector of the drain pump lead wire through the wiring taking out port and then take out the drain pump 2 Attachment 1 Enter your hand into the drain port and pass the connector of the drain pump lead wire through the wiri...

Page 115: ...ove the float switch assembly Ø4 25 1 pc 2 Attachment 1 Mount the float switch assembly as before with the fixing screw NOTE When mounting match hole of the float switch assembly with projection of the drain pan 2 Mount the bell mouth as before Ø4 10 8 pcs 3 Following to works of item 2 of 7 and works from 2 to 5 attach the parts as before 1 Detachment 1 Carry out works of item 1 of 4 item 1 of 6 ...

Page 116: ...move the fixing screws and then remove the piping cover Ø4 10 3 pcs 5 Remove the drain hose from the drain pump and remove the fixing screws to remove the drain pump stand Ø4 8 3 pcs 6 While pushing the heat exchanger remove the fixing band fixing screws and the heat exchanger Ø4 8 3 pcs 2 Attachment 1 Mount the heat exchanger with the fixing band and the fixing screws Ø4 8 3 pcs 2 Fix the parts a...

Page 117: ... AND PARTS LIST 12 1 Indoor Unit 201 239 231 235 204 234 253 251 208 249 236 245 207 237 238 229 230 218 216 217 225 242 Accessory part 243 212 246 219 221 240 241 222 220 233 247 RAV HM561UTP E TR RAV HM801UTP E TR 117 ...

Page 118: ...T21485 FAN MOTOR WIRING ASSEMBLY 1 1 1 1 230 43T04318 COVER ASSY 1 1 1 1 231 43T39353 CAP NUT 1 1 1 1 233 43T19358 COVER SENSOR 1 1 1 1 234 43T77301 PUMP ASSY 1 1 1 1 235 43T51314 SWITCH ASSY FLOAT 1 1 1 1 236 43T79319 LID ASSY OUTSIDE 1 1 1 1 237 43T71303 SOCKET ASSY DRAIN 1 1 1 1 238 43T97316 WASHER 1 1 1 1 239 43T97001 NUT 1 1 1 1 240 43T47332 BONNET 9 52 DIA 1 1 240 43T47333 BONNET 12 70 DIA 1...

Page 119: ... RAV HM1101UTP E TR RAV HM1401UTP E TR RAV HM1601UTP E TR 242 201 239 231 235 204 208 249 236 245 207 237 238 229 230 223 253 251 218 216 217 234 225 254 243 212 246 219 221 240 241 222 220 233 Accessory part 247 119 ...

Page 120: ...SEMBLY 1 1 1 1 1 1 1 230 43T04318 COVER ASSY 1 1 1 1 1 1 1 231 43T39353 CAP NUT 1 1 1 1 1 1 1 233 43T19358 COVER SENSOR 1 1 1 1 1 1 1 234 43T77301 PUMP ASSY 1 1 1 1 1 1 1 235 43T51314 SWITCH ASSY FLOAT 1 1 1 1 1 1 1 236 43T79319 LID ASSY OUTSIDE 1 1 1 1 1 1 1 237 43T71303 SOCKET ASSY DRAIN 1 1 1 1 1 1 1 238 43T97316 WASHER 1 1 1 1 1 1 1 239 43T97001 NUT 1 1 1 1 1 1 1 241 43T47334 BONNET 15 88 DIA ...

Page 121: ... TR 1401 UTP E TR 1601 UTP E TR 401 43T50388 TA SENSOR YEL 1 1 1 1 1 1 402 43T50420 TC SENSOR BLK 1 1 1 1 1 1 403 43T60427 TERMINAL BLOCK 1 1 1 1 1 1 404 43T60434 TERMINAL BLOCK 2P 1 1 1 1 1 1 405 43TN9665 PC BOARD ASSY MCC 1643 1 1 1 1 1 1 406 43T50386 TCJ SENSOR RED 1 1 1 1 1 1 Location No Part No Description Model name RAV HM 121 ...

Page 122: ...3T01317 PANEL COVER ASSEMBLY 3 310 43T01318 PANEL COVER ASSEMBLY 1 312 43T07320 PANEL FIX PLATE A 2 313 43T07321 PANEL FIX PLATE B 2 314 43T07324 HOOK 2 315 43T07319 AXIS CAP 4 316 43T03403 COVER MOTOR ASSEMBLY 2 317 43T03401 COVER ASSEMBLY 1 318 43T03402 COVER ASSEMBLY 1 319 43T07322 MOTOR FIXURE 2 320 43T07323 MOTOR FIXURE 2 321 43T60530 LEAD MOTOR 1 322 43T00714 PANEL 1 Location No Part No Desc...

Page 123: ...ILLE HOOK RIGHT 1 313 43T19390 STRING 1 314 43T80369 AIR FILTER 1 315 43T07335 AXIS CAP 4 316 43T07336 MOTOR FIXTURE ASSY 2 317 43T07337 MOTOR FIXTURE ASSY 2 318 43T07338 AXIS COVER 4 319 43T07339 MOTOR FIXTURE 2 320 43T07340 MOTOR FIXTURE 2 321 43T21434 STEPPING MOTOR 4 322 43T22390 HORIZONTAL LOUVER ASSY 4 323 43T60587 LEAD MOTOR 1 Location No Part No Description 304 301 302 302 305 317 316 303 ...

Page 124: ...at if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant k...

Page 125: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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