Toshiba RAV-RM2241DTP Series Service Manual Download Page 36

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-3. Indoor Print Circuit

Desig

Board

<MCC-1643>

Indoor/Outdoor inter-unit cable CN67

Optional power supply (CN309)

Ventilation output CN32

HA CN61

UART (Fan - IPDU, Application Control Kit) CN521 (Red) DC1

CHK(CN71)

Signal for Drain Pump Kit CN504 (WHI) DC12V

DISP(CN72)

Float SW CN34

Remote controller CN41

“1:1 model” Connection inter CN50

EEPROM IC503

TCJ sensor CN102

TC sensor CN101

TA sensor CN104

External static pressure select SW SW501

Power supply LED of remote control

ler

D403 (Red)

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Summary of Contents for RAV-RM2241DTP Series

Page 1: ...FILE NO SVM 19066 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE INDOOR UNIT DIGITAL INVERTER Concealed Duct High Static Pressure Type RAV RM2241DTP Series RAV RM2801DTP Series March 2019 R32 or R410A ...

Page 2: ... 7 1 Summary of Troubleshooting 40 7 2 Check Code List Indoor 45 7 3 Diagnostic Procedure for Each Check Code Indoor Unit 50 8 REPLACEMENT OF SERVICE P C BOARD 63 8 1 Indoor control P C Board 63 3 CONSTRUCTION VIEWS EXTERNAL VIEWS 20 8 2 Fan IPDU P C Board MMC 1610 68 9 SETUP AT LOCAL SITE AND OTHERS 69 9 1 Indoor Unit 69 9 2 Setup at Local Site Others 79 9 3 How to Set up Central Control Address ...

Page 3: ...12 EXPLODED VIEWS AND PARTS LIST 100 12 1 RAV RM2241DTP E TR RAV RM2801DTP E TR 100 12 2 Drain pump kit TCB DP40DPE 102 12 3 Electric Parts 103 3 ...

Page 4: ... knowledge related to this work 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 thi...

Page 5: ...ndicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and kee...

Page 6: ...RNING 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 the unit Doin...

Page 7: ...ell of burning abnormal sounds 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 qual...

Page 8: ...tion before proceeding with the work Parts and other objects may fall from above possibly injuring a person below While carrying out the work wear a helmet for protection from falling objects When executing address setting test run or troubleshooting through the checking window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may receive an ...

Page 9: ...e 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 or R410A never use other refrigerant than R32 or R410A F...

Page 10: ...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 11: ...staller 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 electric shocks if they poke their fingers or other objects into the indoor u...

Page 12: ...lations transposing into national law Declaration of incorporation of partly completed machinery Must not be put into service until the final machinery into which it is to be incorporated has been declared in conformity with the provisions of this Directive where appropriate NOTE This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s co...

Page 13: ...Specifications Model Sound pressure level dBA Cooling Heating Weight kg Main unit RAV RM2241DTP E RAV RM2801DTP E RAV RM2241DTP TR RAV RM2801DTP TR 97 97 97 97 44 46 44 46 44 46 44 46 13 ...

Page 14: ...on so that water and others do not 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 or R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If...

Page 15: ...t a copper pipe gauge etc are necessary 4 Tools 1 Required Tools for R32 or R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R32 or R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R32 or R410A b...

Page 16: ...m 448 Width mm 1400 Depth mm 900 Weight kg 97 Heat exchanger Finned tube Soundproof Heat insulating material Polyethylene foam Fan unit Fan Centrifugal fan Standard air flow 3 800 4 800 Med Low 3 200 2 500 4 200 3 500 Motor output kW 1kW 1pc External static pressure factory setting Pa 150 External static pressure range Pa 50 83 117 150 183 217 250 7steps Controller Remote controller Air filter Sol...

Page 17: ...at insulating material Polyethylene foam Fan unit Fan Centrifugal fan Standard air flow 3 800 4 800 Med Low 3 200 2 500 4 200 3 500 Motor output kW 1kW 1pc External static pressure factory setting Pa 150 External static pressure range Pa 50 83 117 150 183 217 250 7steps Controller Remote controller Air filter Sold separately TCB LK2801DP E Drain pump Sold separately TCB DP40DPE Connecting Gas side...

Page 18: ...epth mm 900 Weight kg 97 Heat exchanger Finned tube Soundproof Heat insulating material Polyethylene foam Fan unit Fan Centrifugal fan Standard air flow 3 800 4 800 Med Low 3 200 2 500 4 200 3 500 Motor output kW 1kW 1pc External static pressure factory setting Pa 150 External static pressure range Pa 50 83 117 150 183 217 250 7steps Controller Remote controller Air filter Sold separately TCB LK28...

Page 19: ... Mid 50Pa 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1800 2200 2600 3000 3400 3800 4200 4600 High 83Pa High 50Pa Mid 183Pa Mid 83Pa Mid 50Pa Mid 217Pa Low External Static Pressure Pa Fan Speed rpm External Static Pressure Pa Fan Speed rpm Air Flow m h Air Flow m h Air Flow m h Air Flow m h Standard Air Flow 3800 m h Standard Air Flow 3800 m h Standard Air Flow 4800 m h Standard Air Flow 480...

Page 20: ...nit more than 1000mm the service door Ceiling opening is not necessary Hole for hanging bolt 4 Φ12 30 Drain pipe connecting port Drain pump kit sold separately 850 or more Suction duct Air inlet Flexible drain hose Accessory Floor surface 200 or more 200 or more Check port Air inlet 300 or more Electrical control box 1000 or more Service space 25 Service door Ceiling opening When attached the long...

Page 21: ...0100100100100100100 98 8 17 1296 Outside 324 84 Outside Unit mm 1316 58 200 200 200 200 200 200 58 20 44 106 44 106 44 32 200 200 200 200 200 200 361 1297 41 41 58 343 384 Air inlet 90 90 90 8 27 27 Electrical control box Air outlet 21 ...

Page 22: ... CN34 RED FS 1 3 Drain Pump Kit Attached Option RY02 3 MS FM CN500 WHI 3 1 F500 1 2 3 4 5 CN504 4 BLU 5 4 3 2 1 CN505 RED Fan Control P C Board CN511 CN510 U V W RED WHI BLK CN705 CN704 CN703 MCC 1610 L FM RB RY01 P C Board Connector Terminal Terminal Block Protective Earth Field Wiring WHI White YEL Yellow RED Red BRW Brown BLK Black BLU Blue F01 F500 CN L FM TB01 02 TC TCJ Symbol TA Indoor Temp ...

Page 23: ...Fan motor TA sensor TC sensor TCJ sensor Drain pump option Float switch option SWF 340W1000 1 FS 1A 31 3 PCD 4N230TF 4 6 size lead wire length 1000mm Vinyl tube Red 6 size lead wire length 1000mm Vinyl tube Black Lead wire length 218mm 23 ...

Page 24: ...at input HA Driver Start Alarm Ready PMV Serial communication circuit Power circuit Outdoor unit Power supply 1Φ 220 240V 50Hz 1Φ 220V 60Hz Indoor Outdoor communication 1 2 N L Outside output DC12V DC5V DC20V Indoor control P C Board MCC 1643 Indoor fan motor Reactor Power circuit MCU Fan motor control circuit DC5V DC15V Fan IPDU MCC 1610 Noise filter P C Board MCC 1551 Drain pump Option Indoor un...

Page 25: ... control circuit DC5V DC15V Fan IPDU MCC 1610 Noise filter P C Board MCC 1551 Drain pump Option Power circuit Emergent operation SW CPU Buzzer Receiving circuit Function setup SW Display LED DC5V Receiving P C Board Wireless remote controller kit Indoor unit 1 Header L N Power supply Outdoor unit L N Power supply Outdoor unit 1 2 3 Up to 8 units are connectable 1 1 However if 1 1 model connection ...

Page 26: ...door unit Power supply 1Φ 220 240V 50Hz 1Φ 220V 60Hz Outside output DC12V DC5V DC20V Indoor control P C Board MCC 1643 Indoor fan motor Reactor Power circuit MCU Fan motor control circuit DC5V DC15V Fan IPDU MCC 1610 Noise filter P C Board MCC 1551 Drain pump Option Power circuit Emergent operation SW CPU Buzzer Receiving circuit Function setup SW Display LED DC5V Receiving P C Board Wireless remo...

Page 27: ...mp TO Outside temp K deg Wired type Wireless type COOL DRY 18 C to 29 C 17 C to 30 C HEAT 18 C to 29 C 17 C to 30 C AUTO 18 C to 29 C 17 C to 30 C Cooling thermostat OFF Fan Setup air volume Cooling operation Heating operation 1 0 TA C TS α 1 0 Remote controller command STOP FAN COOL DRY HEAT AUTO Control outline Air conditioner stops Fan operation Cooling operation Dry operation Heating operation...

Page 28: ...tecting counts TA n TA n 1 Room temp fluctuation n 1 Detecting counts of 1 minute before 4 Dry operation The frequency correction control is same as those of the cooling operation However the maximum frequency is limited to approxi mately S6 Note When LOW is set up the maximum frequency is limited to approximately SB 1 The judgment of selecting Cooling Heating mode is carried out as shown belows W...

Page 29: ...olume is exchanged the fan speed changes When cooling operation started the fan speed will be selected along a down arrow in figure When TA TSC is just on boundary the fan speed won t change indicated the fan speed at automatic cooling operation HEAT the value with indicates the temperature at using remote controller thermostat the value without indicates the temperature at using body thermostat o...

Page 30: ...r TCJ sensor As shown below the upper limit of the fan speed is restricted in spite of the fan speed set on remote control However B zone is assumed as C zone for 6 minutes after the compressor has started In defrost operation the control value of TC is shifted 6 C Remarks In A zone while thermostat is ON PRE HEAT Heating ready is displayed CODE No DN 5d SW501 1 2 TAP HEAT COOL HEAT COOL HEAT COOL...

Page 31: ...mer 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 indoor fan speed is operated with L tap In heating operation the freeze preventive control works if 4 way valve is not exchanged and the following conditions are satisfie...

Page 32: ...etween values in parentheses of A and B 1 In cooling operation including 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 compressor stops and the drain pump operates If the float switch keeps operating for...

Page 33: ...of wireless remote controller 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to test run After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button once again Approx 1 second Check wiring piping of the indoor and out...

Page 34: ...se of the wireless remote controller the con tents to be operated are same though the display lamp does not change If an item prohibited by the central control mode is operated from the remote controller it is notified with receiving sound Pi Pi Pi Pi 5 times 1 Selecting AUTO mode enables an saving mode to be operated 2 The setup temperature is shifted corrected in the range not to lose the comfor...

Page 35: ...the setup data of CODE No DN C2 in the range of 50 to 100 every 1 Setting at shipment 75 Carry out setting operation during stop of the unit otherwise the unit stops operation For the setup operation refer to How to set contents of save operation in Section 9 SETUP AT LOCAL SITE AND OTHERS 8 C heating Frost protective operation 1 This function is intended for the cold latitudes and performs object...

Page 36: ...CN61 UART Fan IPDU Application Control Kit CN521 Red DC12V CHK CN71 Signal for Drain Pump Kit CN504 WHI DC12V DISP CN72 Float SW CN34 Remote controller CN41 1 1 model Connection inter CN50 EEPROM IC503 TCJ sensor CN102 TC sensor CN101 TA sensor CN104 External static pressure select SW SW501 Power supply LED of remote controller D403 Red 36 ...

Page 37: ...controller operation stop is performed by input Operation ON Answer back of HA 5 6 DC12V Output Open collector ON OFF input 0V Remote controller prohibited input Operation output Open collector DC12V Warning output Open collector CHK Operation check CN71 1 Warning output ON This check is used to check indoor operation Performs operation of indoor fan H and Drain pump ON without communication with ...

Page 38: ...pply input CN500 CN510 CN511 CN502 CN511 CN510 Fan motor output U phase CN705 Fan motor output V phase CN704 Fan motor output W phase UART communication between CDB UART communication between Application control kit TCB PCUC1E Reactor connecting terminal Reactor connecting terminal Power relay output CN602 38 ...

Page 39: ... 1551 CN01 Red Power supply input Live CN08 Blue Power supply output for drain pump kit option CN03 Red Power supply output Live CN04 White Power supply output Neutral L01 Line Filter CN04 White Power supply input Neutral 39 ...

Page 40: ...n operation Is not an overflow trouble detected on the indoor unit Is not outside high temperature operation controlled in heating operation 2 Indoor fan does not rotate Does not cool air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes Does not high temperature release operation control work in heating operation Does not outside low temper...

Page 41: ...air discharge preventive control work in heating operation 3 Outdoor fan does not rotate or air volume changes Does not high temperature release operation control work in heating operation Does not outside low temperature operation control work in cooling operation Is not defrost operation performed 4 ON OFF operation cannot be performed from remote controller Is not forced operation performed Is ...

Page 42: ...een indoor and outdoor units Overflow was detected Protective device of indoor unit worked Indoor DC fan trouble Protective device of 1 Outdoor unit discharge temp trouble Outdoor high pressure system trouble outdoor unit worked Outdoor unit trouble Negative phase detection trouble Heat sink overheat trouble Gas leak detection trouble 4 way valve system trouble Indoor or outdoor unit judged Outdoo...

Page 43: ...arge temp sensor TD trouble Sensor trouble of outdoor unit 1 Temp sensor TE trouble Temp sensor TL trouble Temp sensor TO trouble Temp sensor TS trouble Temp sensor TH trouble Temp Sensor miswiring TE TS Indoor EEPROM trouble Outdoor EEPROM trouble Duplicated header indoor units There is indoor unit of group connection AUTO address in individual indoor unit If group construction and Unsetting of g...

Page 44: ...ndication Operation Timer Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run Disagreement cool heat Automatic cool heat setting to automatic cool heat prohibited mode 44 ...

Page 45: ...communication send trouble Central control system communication receive trouble General purpose device control interface batched warning Group follower unit is defective Explanation of trouble contents Signal sending operation of central control system is impossible There are multiple same central devices Signal receiving operation of central control system is impossible Trouble on device connecte...

Page 46: ...en check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Judgment and measures 1 Check cables of remote controller and communic...

Page 47: ...ed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code i...

Page 48: ... 2 Check failure of Ps sensor 3 Check compressing power trouble of compressor 4 Check 4 way valve trouble 5 Check outdoor P C board trouble 1 Check service valves are fully opened Gas side Liquid side 2 Check clogging of outdoor PMV PMV1 2 3 Check SV2 circuit 4 Check Ps sensor trouble 5 Check clogging of indoor filter 6 Check clogging of refrigerant pipe 7 Check of outdoor fan operation In heating...

Page 49: ...on continues Stop Automatic reset If center exists operation continues Stop Sub unit continues operation Stop Automatic reset Continues By remote controller Continuation Stop According to each case Condition Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Displayed when check code is detected Di...

Page 50: ...tion or contact trouble of connector on harness from terminal block of indoor unit Check power connection of indoor unit Turn on power again Check indoor P C board MCC 1643 Defect Replace Check remote controller P C board Defect Replace Correct as a header unit and a follower unit Check remote controller P C board Defect Replace Correct a header unit a follower unit Remote controller address conne...

Page 51: ...tdoor P C board Defect Replace Correct wiring of connector and terminal blocks Correct wiring and inter unit cables Check CODE No 14 YES YES YES YES NO NO NO NO NO As shown in the following figure carry out measurement within 20 seconds after the power was turned on Black S5277G White Terminal block Check indoor P C board MCC 1643 Defect Replace Does the voltage between 2 and 3 of the indoor unit ...

Page 52: ...1643 CN521 MCC 1610 CN505 abnormal Is connector lead wire for the UART communication cut Red LED D640 of MCC 1610 not illuminated Fault with the MCC 1643 Replace Check the power supply of MCC 1610 Yes Repair of connector connection Yes Replacement of the connector s lead wire 52 ...

Page 53: ... the UART communication cut Red LED LD1 of Optional board not illuminated Red LED LD1 light on the Optional board flashes on and off Red LED LD1 of Optional blinks board No Yes Fault with the external input output board Replace No Lead wire is cut or fault of input output board Yes Check the operating status Repair of connector connection Yes Replacement of the connector s lead wire 53 ...

Page 54: ...er unit wire Serial 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 YES YES YES YES YES NO NO NO NO NO E18 E08 L03 L07 L08 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 control L0...

Page 55: ...s connected Is there check code on remote controller in the follower remote controller Are wiring connections to communication lines U3 and U4 normal Check central controller including 1 1 model connection interface and indoor P C board MCC 1643 Defect Replace Correct wiring connection Correct central control system address Check outside devices Defect Replace Check indoor P C board MCC 1643 Defec...

Page 56: ...MCC 1643 Defect Replace Check and correct wiring and wire circuit YES YES YES YES YES YES NO NO NO NO NO NO Is connection of TA sensor connector indoor P C board CN104 normal Connect connector of connector Check indoor P C board MCC 1643 Defective Replace Are characteristics of TA sensor resistance value normal Replace TA sensor NO YES Refer to Characteristics 1 YES NO P10 Drain pump kitnTCB DP40D...

Page 57: ...from CN703 704 705 of MCC 1610 If the fan motor is locked or not Unable to rotate it by hand If the winding resistance of the motor is correct or not 2 Measure the power supply voltage and if the voltage is normal or not 220 240VAC 50Hz or 220VAC 60Hz If the power relay operates normally or not the voltage between power relay 4pin GND and 6pin GND are 198 264V 1 Correction of the connection of the...

Page 58: ...sh DC180V or more 4 3 2 1 ON 4 1 4 Operation check direction of the outdoor P C board In case of self preservation valve 1 Set the Dip switch SW804 as same as the following table and push SW801 for approx 1 second It enables you to check the exchange operation to cooling cycle or heating cycle Only for approx 10 seconds the power is turned on As the heat value of part coil resistance R700 is large...

Page 59: ... Charqacteristics 2 Replace TC sensor Check indoor P C board MCC 1643 Defect Replace 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 Charqacteristics 2 Replace TCJ sensor Check indoor P C board MCC 1643 Defect Replace YES YES YES YES NO NO NO NO F01 59 ...

Page 60: ...cks Correct communication line of remote controller 1 Is connection of connector normal Check the power supply transformer of 1 1 model connection interface MCC 1440 Defective Replace Can the other indoor units be normally controlled from the central controller Or is the operation status of indoor unit reflected 1 In case of 1 1 model connection interface 1 1 model connection interface MCC 1440 CN...

Page 61: ...ng 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 97 is displayed on the central controller P31 Follower indoor unit When the master unit of a group operation detected E03 L03 L07 or L08 check code the followe...

Page 62: ... 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 Resistance kΩ 0 0 10 20 30 40 10 20 30 40 50 60 70 80 90 100 Temperature C Temperature Resistance value characteristic table TA TC TCJ sensor Representative value 62 ...

Page 63: ... the settings are correct by checking the indoor unit No Group header unit follower unit settings and perform 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 an...

Page 64: ...ation is available again CODE No required at least 1 The CODE No for the Indoor unit type and Indoor unit capacity are required to set the rotation number setting of the fan 2 If the system indoor group addresses are different from those before replacement the auto address setting mode starts and the manual resetting may be required again when the multiple units group operation including twin syst...

Page 65: ...ct the capacity by pushing buttons for the timer setting 7 Using the set temperature 8 Using the timer time buttons set the dat 0001 9 Push SET button The setting completes if the setting data are displayed 10 Push the TEST button to return to the normal stop status It takes approx 1 min until the remote control operation is available again buttons set 3 6 5 1 4 2 For example 280 Type is set to 00...

Page 66: ...e temperature setting As described above check the setting data and modify to the data put down in 1 Step 8 Repeat the steps 6 and 7 Step 9 After the setting completes push TEST button to return to the normal stop status It takes approx 1 min until the remote control operation is available again The CODE No DN are ranged from to The CODE No DN is not limited to be serial No Even after modifying th...

Page 67: ...e 0099 Not determined 0099 Not determined 0099 Not determined 0003 3 deg TS 1 5 Type Indoor unit capacity System address Indoor unit address Group address Temperature range of cooling heating automatic SW control point Power failure automatic recovery Vent Fan Single operation Sensor SW Selection of static pressure Static pressure selection Timer setting wired remote controller Power save operatio...

Page 68: ...and cause in to breakdown Do not use an electric driver or an air driver as it can cause component damage The torque of 5 screws IC701 DB509 DB510 and Q590 is 0 55Nm 7 Re connect the connectors Be sure that all the connectors are connected correctly and securely inserted 8 Install the cover then turn on the supply Check the operation 10 3 N F P C Board MCC 1551 Replacement Procedure 1 Turn off the...

Page 69: ... heating or cooling operation mode for TEST NOTE The outdoor unit does not operate after power has been turned on or for approx 3 minutes after operation has stopped 3 TEST After a Test Run has finished push button again and check that TEST on LC display has gone off To prevent a continuous test run operation 60 minutes timer release function is provided to this remote controller Wiress remote con...

Page 70: ... TEST button returns the status to the normal stop status Push ON OFF Practical operation ON OFF Key Select the HEAT mode After a while the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts defrost operation The forced defrost operation is performed for Max 12 minutes After defrost operation finished the operation returns to the heating operation To execute the def...

Page 71: ...In this time fan of the selected indoor unit operate Ø 2 Every pushing UNIT LOUVER button button at left side the indoor unit No in the group control is displayed one after the other In this time fan of the selected indoor unit only operate Ø 3 Using the set temperature TEMP buttons specify the CODE No DN Ø 4 Using the timer time TIME buttons select the set data Ø 5 Push SET button OK if indicatio...

Page 72: ...pe 0014 Compact 4 way cassette type 0000 Unfixed 0009 56 type 0012 80 type 0015 110type 0017 140 type 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Master of group 0002 Follower of group 0000 No louver 0001 Swing only 0002 1 way 0003 2 way 0004 4 way 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by Data value 2 0000 None 0001 Auto ...

Page 73: ...cleaning 0000 Invalid Unavailable 0001 Valid Available 0000 Invalid Unavailable 0001 Valid Available 0000 Invalid Self cleaning is not performed 0011 Valid Self cleaning is performed at 310 rpm 0000 Displayed 0001 Not displayed At shipment 0000 Available 0000 None 0075 75 0000 None 0000 Valid 0001 Valid Available 0000 Invalid Unavailable 0000 Invalid 0000 Displayed B3 Soft cooling 0000 Unavailable...

Page 74: ...door unit Outdoor unit Remote controller switch Sub Remote controller switch Master Sold separately 2 1 3 2 1 3 B A B A B A Sold separately 1 2 1 2 1 2 Remote controller Inside of the rear side Sub remote controller Master remote controller DIP switch Wireless remote controller Remote controller address A B selection setting When two or more signal receiving units are installed in a room a unique ...

Page 75: ... tip of the pencil 00 will be shown on the display 4 Push MODE MODE button during CHK pushing 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 control...

Page 76: ...o ten odd seconds If the combined outdoor unit is one before 2 or 3 series the outdoor unit data 6D 70 72 and 73 are not displayed Indoor unit data CODE No 01 02 03 04 07 F2 F3 Data name Room temperature Remote controller Indoor suction temperature TA Indoor heat exchanger Coil temperature TCJ Indoor heat exchanger Coil temperature TC Indoor fan revolution frequency Indoor fan calculated operation...

Page 77: ...Air volume select Setup temp of the indoor unit which was set to the header unit is reflected on the remote controller 1 Concealed duct high static pressure type RAV SMXXX is not set up on the header unit If the Concealed duct high static pressure type is the header unit Operation mode Cooling Heating AUTO HEAT COOL FAN and no DRY Air volume select HIGH When the operation mode is DRY FAN stops in ...

Page 78: ... Remote controller operation is available Approx 50 seconds after power ON Regular communication between indoor units Every 30 seconds Header Follower When the above status changes immediately communicates Repetition The unit without power feed waits entirely Waiting status is released by system start Reboot when power is fed on the way 3 minutes elapse Not normal NO YES Automatic address starts A...

Page 79: ...main unit 3 Connect the central control devices to the central control system wiring 4 When controlling DI SDI series only turn on only Bit 1 of SW01 of the least line of the system address No OFF when shipped from the factory In case of DI SDI series the address is necessary to be set up again from the wired remote controller after automatic addressing Indoor units in all refrigerant lines Max 64...

Page 80: ...ess SW01 Bit 1 SW01 Bit 2 Remarks 1 ON OFF Turn SW01 Bit 1 to ON 2 OF OFF As status shipped from factory 1 2 3 Refrigerant line 3 1 2 3 A B Reference Setup contents of switch SW01 Bit 1 OFF ON OFF ON Bit 1 OFF OFF ON ON Terminator None 100Ω 75Ω 43Ω Remarks Mixed with multi Link wiring at shipment from factory Central control by digital inverter only Spare Spare Remote controller wiring Central con...

Page 81: ...ler Procedure Perform setup while the unit stops 1 Push TEST VENT buttons for 4 seconds or more When group control is executed first the unit No is displayed and all the indoor units in the group control are selected In this time fans of all the selected indoor units are turned on Fig 1 Keep displayed status without pushing UNIT LOUVER button In case of individual remote controller which is not gr...

Page 82: ...tton for 4 seconds or more ò 2 In the frame at left side of the remote controller screen the lighting set contents are displayed During unset time At shipment from factory is displayed ò 3 After lighting display for 3 seconds the display automatically disappears If any button is pushed during display immediately the display disappears and then the pushed button is displayed 82 ...

Page 83: ...an indoor unit are connected or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided the automatic address setup completes with power ON of the outdoor unit The operation of the remote controller is not accepted while automatic address works Approx 4 to 5 minutes When the following addresses are not stored in the ...

Page 84: ...door unit which communicates serially with the outdoor units The operation mode and setup temperature range are displayed on the remote controller LCD Follower unit 2 Indoor units other than header unit in group operation Basically follower units do not send receive signals to from the remote controllers Except troubles and response to demand of service data 10 2 1 System Configuration 1 Single Ou...

Page 85: ... 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 Header Master 1 1 Individual 2 1 Header Sub 1 1 Header Sub 3 1 Header Master 8 1 Header Sub Max 8 units 85 ...

Page 86: ...ntroller 1 Push SET CL TEST buttons simultaneously for 4 seconds or more 2 Line address Using the temperature setup buttons set 12 to the CODE No 3 Using timer time buttons set the line address 4 Push SET button OK when display goes on 5 Indoor unit address Using the temperature setup buttons set 13 to the CODE No 6 Using timer time buttons set 1 to the line address 7 Push SET button OK when displ...

Page 87: ...ected to the identical remote controller Group control unit other unit numbers are also displayed every pushing UNIT LOUVER button 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 d...

Page 88: ...ry will be caused by a part etc Screw B Screw A Electrical parts box cover 1 Detachment 1 Perform 1 of t o remove the electrical parts box cover 2 Remove the connector of the below No from the P C board 3 Unlock the locking card spacers 4 positions in the electrical parts box to remove the control P C board CN41 A B terminal block 2P Blue CN67 Power supply terminal block 5P Black CN101 TC sensor 2...

Page 89: ...ssing or contact failure of the connectors 4 Attach the electrical parts box cover as before Uart CN504 Reactor CN510 511 Power supply CN500 Fan motor CN703 704 705 Relay CN602 Screw A Control P C board MCC 1643 1 Detachment 1 Perform 1 of to remove the electrical parts box cover 2 Remove the connector of the below No from the P C board CN504 UART 5P Blue CN500 Power supply terminal block 3P White...

Page 90: ...ical parts box as before 2 Be sure to wire in the electric parts box as before NOTE 1 Check if there is no missing or contact failure of the connectors 3 Attach the electrical parts box cover as before Noise filter P C board MCC 1551 1 Detachment 1 Perform 1 of to remove the electrical parts box cover 2 Remove the connector of the below No from the P C board CN01 Power supply Red wire CN02 Power s...

Page 91: ...m wire of the fan motor 4 Perform 1 of to remove the bottom plate fan side 5 Remove the screw A M8 x 20 8 pcs and loosen the screw B M8 x 20 2 pcs The fan motor is in the temporary hanging state by the fixing plate 6 Remove the fan assembly 7 Remove the screw C M8 x 20 8 pcs 8 Loosen the hexagonal bolt of the fan and pull out the fan from the shaft 9 Remove the screw D 4 pcs from the fan case and ...

Page 92: ...tor as before within an electric part box Connect the wires of the fan motor as before and close and fix the electrical parts box cover Be sure to wire in the electrical parts box as before 10 Attach the bottom plate fan side to the original position NOTE Fix the wiring of the motor on the electrical parts box side as right figure NOTE Adjust the direction of the fan blade NOTE Check that if the f...

Page 93: ...ot hold the drain socket Water leakage may occur Bottom plate Drain side Screw B Screw A Drain pan Drain socket Drain pan supporter Drain pan pull out direction 2 Attach the bottom plate drain side to the original position Sensor TC TCJ 1 Detachment 1 2 Perform 1 of to remove the electrical parts box cover Loosen the fixing screws of the inspection cover and remove the inspection cover 3 Remove th...

Page 94: ...rew D M4 x 0 4 10mm 5 pcs of the right side panel 8 While holding the heat exchanger remove the screw E M4 x 0 4 10mm 2 pcs and then take out the heat exchanger slowly Evaporator partition back Screw B Screw E Bushing Screw C Screw E Evaporator partition down 2 Attachment 1 Attach the heat exchanger to the original position Screw E M4 x 0 4 10mm 2 pcs 2 Fix the screw D on the right side panel as b...

Page 95: ...ts box 1 2 Attachment Attach the TA sensor to the original position 2 Attach the wires of TA sensor in the holder as before 3 Attach the electronical parts box as before 1 Detachment 1 Perform 1 of and 1 of 2 Remove the connector of the wires of the reactor from the fan control P C board 3 Remove the screw fixing the reactor cover Slide the reactor cover to the arrow direction and remove 4 Remove ...

Page 96: ...2801DTP E TR High static duct 10HP LC 3 2 Target products The target is a product which is installed ferrite core in motor earth lead 4 The contents of other repairing except motor exchanging 4 1 Summary of modification points Ferrite core attached in earth lead of motor Photo of control BOX inside before repairing Photo of control BOX inside after repairing 1 Remove the clamp filter 2 Install the...

Page 97: ...s and remove Step4 Replace the new noise filter PCB to PCB spacer and connect wiring and tighten screw same as step 1 to 3 Notice Before replace the new noise filter PCB check the number which is described in label on PCB Old PCB 1117878001 Alternate new PCB 1117878002 Photo of motor earth lead before repairing Photo of motor earth lead after repairing 1 Remove the ferrite core 2 Tie the extra len...

Page 98: ...remove a screw which is fixed the ferrite core Step3 Unwind the earth lead from ferrite core and take off ferrite core Notice Keep the ferrite core Because the ferrite core is used in motor lead later Step4 Tighten the earth screw Step5 Bundle up the extra earth lead by folding in half at four times Step6 Tie the extra earth lead by tie band Step2 Step3 Step4 Step5 Step6 Step2 98 Step1 ...

Page 99: ...e of ferrite core at twice Step4 Connect the motor lead to PCB MCC1610 Notice Check the connection between motor lead and connector on PCB invariably Red motor lead CN705 RED White motor lead CN704 WHI Black lead CN703 BLK Step5 Fix the ferrite core to motor lead and reactor lead and white lead of power lead by using tie band Step1 PCB for motor MCC1610 Step2 Step3 Reactor lead Power lead Step4 CN...

Page 100: ...12 EXPLODED VIEWS AND PARTS LIST 12 1 RAV RM2241DTP E RAV RM2801DTP E RAV RM2241DTP TR RAV RM2801DTP TR 202 213 218 214 201 204 205 203 212 206 216 217 215 217 210 207 208 209 211 220 211 219 100 ...

Page 101: ... 7 DIA 1 1 1 1 208 43T82344 SOCKET LIQUID 1 1 1 1 209 43T97325 NUT FLARE 1 2 IN 1 1 1 1 210 43T82334 JOINT PIPE 22 2 28 6 DIA 1 1 1 1 211 43T19333 HOLDER SENSOR 2 2 2 2 212 43T72326 PAN ASSY DRAIN 1 1 1 1 213 43T70315 HOSE DRAIN 1 1 1 1 214 43T83311 BAND HOSE 1 1 1 1 215 43T39371 FLANGE UPPER 1 1 1 1 216 43T39372 FLANGE LOWER 1 1 1 1 217 43T39373 FLANGE SIDE 2 2 2 2 218 43T58332 REACTOR 1 1 1 1 21...

Page 102: ...12 2 Drain pump kit TCB DP40DPE 292 291 290 Q ty Set TCB DP40DPE 290 43T77302 PUMP DRAIN 1 291 43T51313 FLOAT SWITCH 1 292 43T54325 RELAY 1 Location No Part No Description 102 ...

Page 103: ...NAL BLOCK 5P 1 1 1 1 404 43T60362 TERMINAL 1 1 1 1 406 43T6V670 ASM PCB SERV 1 1 1 1 407 43T6V671 ASM PCB SERV 1 1 1 1 408 43T50345 THERMISTOR PTC 1 1 1 1 409 43T54324 POWER RELAY 1 1 1 1 410 43T63356 HOLDER TA 1 1 1 1 411 43459017 ASM PCB OP 1 1 1 1 412 43T63348 CLAMP DOWN 1 1 1 1 413 43T63349 CLAMP UP 1 1 1 1 Q ty Set RAV Location No Parts No Description 405 43T6W611 ASM PCB SERV 1 1 405 43T6W61...

Page 104: ... however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi co...

Page 105: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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Toshiba RAV-RM2241DTP Series, Service Manual

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