Toshiba RAV-SM566KRT-A Service Manual Download Page 39

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. Indoor Print Circuit Board (High Wall Type)

<MCC-1510>

HA (T10)
CN61, DC 12V

Option output
CN60, DC 12V

CHK
CN71, DC 5V

DISP
CN72, DC 5V

Outside error input
CN80, DC 12V

EXCT
CN73, DC 5V

Remote controller
power LED
D203

TA sensor
CN104, DC 5V

Remote controller
CN41, DC 20V

Fan drive
CN32, DC 12V

Louver
CN33, DC 20V

DC fan input/output
CN210

Terminator resistor provided/not provided
Remote controller A/B switch
SW01

Display output/Wireless sensor
CN213, DC 5V

Option power supply
CN309, AC 2

-240

Central control
CN40, DC ± 5V

TCJ sensor
CN102, DC 5V

Microcomputer operation LED
D02

TC sensor
CN101, DC 5V

EEPROM
IC10

Inter-unit wire
CN67, AC 200V

FILE NO. SVM-

12042

–

Summary of Contents for RAV-SM566KRT-A

Page 1: ...R410A FILE NO SVM 12042 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE INDOOR UNIT High Wall Type RAV SM566KRT A RAV SM806KRT A ...

Page 2: ... 17 6 2 Refrigerant Piping Installation 17 6 3 Tools 21 6 4 Recharging of Refrigerant 22 6 5 Brazing of Pipes 23 7 INDOOR CONTROL CIRCUIT 25 7 1 Indoor Controller Block Diagram 25 7 2 Control Specifications 27 7 3 Indoor Print Circuit Board High Wall Type 39 8 TROUBLESHOOTING 41 8 1 Summary of Troubleshooting 41 8 2 Troubleshooting 43 9 REPLACEMENT OF SERVICE P C BOARD 59 10 SETUP AT LOCAL SITE AN...

Page 3: ...the knowledge related to this work The qualified installer 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 ...

Page 4: ...50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat Indication Explanation DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed ...

Page 5: ... Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there...

Page 6: ...on Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Stay on protection If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical control box cover of one or more ...

Page 7: ... shock may result Only Qualified service person 1 is allowed to do this work When checking the electrical parts removing the cover of the electrical control box of Indoor Unit and or front panel of Outdoor Unit inevitably to determine the failure put a sign Do not enter around the site before the work Failure to do this may result in third person getting electric shock Electrical wiring work shall...

Page 8: ...losed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Refrigerant The refrigerant used by this air conditioner is the R410A Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A refr...

Page 9: ...utdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks Once the repair work has been completed check for refrigerant leaks and check the insulation resistance and water drainage Then perform a trial run to check that the air conditioner is running properly After repair work has finished...

Page 10: ...t the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the fan motor reactor inverter heat sink and other parts will be very hot to the touch In addition before proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect e...

Page 11: ...4 0 12 5 11 0 17 0 12 5 11 0 30 30 H M L dB A 42 39 36 47 41 36 H M L dB A 57 54 51 62 56 51 Gas side mm 12 7 15 9 Liquid side mm 6 4 9 5 Drain port mm Indoor unit Outdoor unit Electrical Characteristics Outer dimension Cooling Heating Model Cooling Capacity kW Heating Capacity kW Main unit Fan Heat exchanger Maximum current A Fan unit Power Supply Connecting pipe Sound pressure level Controller s...

Page 12: ...2 CONSTRUCTION VIEWS EXTERNAL VIEWS 2 1 4 Way Air Discharge Cassette Type RAV SM566KRT A FILE NO SVM 12042 12 ...

Page 13: ...RAV SM806KRT A FILE NO SVM 12042 13 ...

Page 14: ...ipe at gas side Outer dia ØA Distributor Strainer incorporated Heating Cooling To outdoor unit To outdoor unit TCJ sensor TC sensor Air heat exchanger Dimension table Indoor unit SM56 type SM80 type Outer diameter of refrigerant pipe In mm Gas side ØA Liquid side ØB 12 7 6 4 15 9 9 5 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM FILE NO SVM 12042 14 ...

Page 15: ...CIRCUIT BLK BLK BLU BLU A B WIRED REMOTE CONTROLLER YEL CN61 CN100 BRW CN41 BLU CN309 YEL CN40 BLU CN33 WHI CN44 BRW CN101 BLU CN102 YEL CN103 GRN CN104 WHI CN32 WHI CN210 WHI CN50 WHI CN81 BLK CN80 GRN WHI CN60 BLU CN82 PNL EMG OPTION M TB01 3 PHASE OUTDOOR UNIT SINGLE PHASE OUTDOOR UNIT SCREW Earth SCREW Earth SCREW Earth POWER SUPPLY POWER SUPPLY WHI CN213 FM BLK CN22 RED WHI BLK CN67 BLK U N L...

Page 16: ...put Rated 1W 16 poles DC 10kΩ at 25 C 10kΩ at 25 C 10kΩ at 25 C n Name of Each Part Earth screw Earth screws are provided in the electric parts box Air outlet Louver Change the direction of the air to be discharged according to cool heat mode Air inlet grille Air in the room is sucked from here Air filter Removes dirt or dust Provided in the air inlet grille 16 5 SPECIFICATIONS OF ELECTRICAL PARTS...

Page 17: ...ure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a...

Page 18: ...ter or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare processing procedures an...

Page 19: ...Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool for R410A Conventional flare tool clutch type Clutch type Wing nut type 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool f...

Page 20: ...rque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 6 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufactur...

Page 21: ...ote 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 7 Screwdriver Use vacuum pump by attaching vacuum pump adapter 8 Spanner or Monkey wrench 2 Torque wrench 9 Hole core drill Ø65 3 Pipe cutter 10 Hexagon...

Page 22: ...ing port of the electronic balance and charge liquid refrigerant INDOOR unit Liquid side Refrigerant cylinder With siphon pipe Check valve Gas side Open Close valve for charging Electronic balance for refrigerant charging Opened OUTDOOR unit Closed Service port 6 4 RechargingofRefrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the f...

Page 23: ...ver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do...

Page 24: ...lux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe ...

Page 25: ...H8 3039 Driver Buzzer DC5V DC12V DC20V Outside output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 2 CPU Display LED LCD driver CPU Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Function setup Key switch Power circuit Power circuit DC280V DC15V Fan motor control circuit EEPROM TA sensor TC sen...

Page 26: ...uver motor Indoor fan motor CPU H8 3039 Driver Buzzer DC5V DC12V DC20V Outside output Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Power circuit DC280V DC15V Fan motor control circuit EEPROM TA sensor TC sensor TCJ sensor HA Run Warning Defrost Thermo ON COOL HEAT FAN Serial send receive circuit Wireless remote signal setting A B Ce...

Page 27: ...trol 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 air volume operation continues α is corrected accordi...

Page 28: ...ommand 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 is limited to approximately S6 Note When LOW is set up the maximum frequency is limited to approximately SB 1 The judgment of se...

Page 29: ...for the fan speed that is the high position If the temperature is just on the difference boundary the fan 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 the fan speed has been changed once...

Page 30: ...on setup of remote controller Tc Tcj C 32 30 28 26 20 16 HH H L UL OFF E zone D zone C zone B zone A zone FILE NO SVM 12042 30 Ta C HH HH α 47 42 3 When thermo sensor turns OFF during heating the fan speed mode becomes UL weak 4 When Ta is 25 C or above at the beginning of HEAT operation or when canceling defrost mode H or HH mode continues for 1 minute from the time when Tc enters zone E Followin...

Page 31: ...owing conditions are satisfied However the temperature for J zone dashing control is changed from 5 C to 5 C Conditions When Q or R is established 5 minutes after activation Q Tcn Tc n 1 5 R Tcn Tc n 1 1 and Tcn Ta 5 C Remarks Tcj Indoor heat exchanger sensor temperature Tcn Tc temperature when 5 minutes elapsed after activation Tc n 1 Tc temperature at start time 9 High temp release control 1 The...

Page 32: ...ng Louver position can be set within the range below COOL DRY HEAT FAN 4 Swing setting Louver moves within the range beloW All operation modes 5 When air conditioner opration stops louver closes automatically It keeps its position in the event of an alarm 6 Louver tilts upward automatically during preparation for heating Full close 0 Alarm A code number except F08 and L31 appears on the remote con...

Page 33: ...is displayed on LCD 2 When the filter reset signal has been received from the remote controller time of the calculation timer is cleared In this case the measurement time is reset if the specified time has passed and display on LCD disappears No display CENTER goes on CENTER goes on In a case of wireless type the display lamp does not change However contents which can be operated are same The stat...

Page 34: ... 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 following figure if To 15 C 18 DC motor 1 When the fan operation has started positioning of the stator and the rotor are performed Moves slightly with tap sound 2 The motor operates according to the command from the indoor controller Notes When the fan rotat...

Page 35: ...ouver Position of 15 from all closes 20 Save operation Wired remote controller specific operation 1 Turn on SAVE button on the wired remote controller 2 During operation of save operation lights on the wired remote controller 3 During save operation the current release control is performed with the restriction ratio set in EEPROM on the outdoor unit 4 The restriction ratio can be set by keeping SA...

Page 36: ... 7 As the setup temperature is 8 C and the human heating is not targeted the cold air discharge preventive control Item 7 is made invalid to suppress the intermittent operation 8 The settings 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 In a group c...

Page 37: ...e When the OFF timer is simultaneously set 1 3 5 and 9 hours appear by turns every pushing COMFORT SLEEP button and one of them can be selected for OFF timer Heating operation In the operation suppression zone where capacity is kept to the minimum overheating is prevented by lowering the temperature setting by 1 C after 1 hour and by 2 C after 2 hours of operation The room temperature is thus regu...

Page 38: ...zed by the PRESET button 1 Push the PRESET button briefly The setting memorized will be indicated and the air conditioner operates with regards to the setting The lamp green on the display panel of the indoor unit goes on and operation starts after approximately 3 minutes Initial setting MODE AUTO Temperature 22 C Remarks display 27 When you push the QUIET button during cooling heating fan only or...

Page 39: ...4 DC 5V Remote controller CN41 DC 20V Fan drive CN32 DC 12V Louver CN33 DC 20V DC fan input output CN210 Terminator resistor provided not provided Remote controller A B switch SW01 Display output Wireless sensor CN213 DC 5V Option power supply CN309 AC 220 240V Central control CN40 DC 5V TCJ sensor CN102 DC 5V Microcomputer operation LED D02 TC sensor CN101 DC 5V EEPROM IC10 Inter unit wire CN67 A...

Page 40: ...ration by FAN button on remote controller is executed from remote controller DN 31 HA Start Stop input J01 Provided Not provided Pulse At shipment from factory Static input switch Operation stop of handy remote controller is permitted prohibited by input ON during operation Answer back of HA ON during output of alarm ON during defrosting of outdoor unit ON when Real thermo ON Comp ON ON when opera...

Page 41: ...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 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 ...

Page 42: ...med 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 b Did you return the wiring to the initial positions c Are connecting wires between indoor unit and receiving unit correct 2 Troubleshooting procedure When the po...

Page 43: ...eceiving unit Miswiring or wire connection error Sending error Communication stop between receiving unit and indoor unit Duplicated indoor unit No Setup error Duplicated master units of remote controller Communication error between CPUs on indoor unit P C board Wire connection error between indoor units Indoor power OFF Communication stop between indoor master and follower or between main and sub ...

Page 44: ... error Temp sensor TO error Sensor error of outdoor unit 1 Temp sensor TS error Heat sink sensor TH error Temp sensor miswiring TE TS Indoor EEPROM error Outdoor EEPROM error Compressor break down Outdoor compressor system error 1 Compressor lock Current detection circuit error Power supply outdoor P C board error Case thermostat worked Compressor overheat outdoor wiring error Duplicated master in...

Page 45: ...n Simultaneous flash Ready Timer Operation 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 FILE NO SVM 12042 45 ...

Page 46: ...rror was detected by temp down of indoor heat exchanger sensor Follower unit in group cannot operate by warning from E03 L03 L07 L08 of master unit Air conditioner operation Automatic Operation reset continuation NOTE Even for the same contents of error such as communication error the display of check code may differ according to detection device When remote controller or central controller detect...

Page 47: ...d Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check cables of remote controller and communication adapters Remote controller LCD display OFF Disconnection Central remote controller 97 check code 1 Outdoor unit does not completely operate Inter unit wire check correction of miswiring Check outdoor P C board Correct wirin...

Page 48: ...e Status of air conditioner Stop Stop Automatic reset If center exists operation 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 error is detected Displayed when error is detected Displayed when error is detected Displayed when ...

Page 49: ...s detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Ch...

Page 50: ...splayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check refrigerating cycle Gas leak 2 Trouble of electronic expansion valve 3 Check discharge temp sensor TD 1 Freezing cycle overload operation 2 Check outdoor heat exchange sensor TE 3 Check outdoor P C board 4 Check high pressure switch and circuit 1 Check power supply voltage...

Page 51: ...r unit Turn on power again Check indoor P C board MCC 1570 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 connector Correct connection of connector Check circuit wiring Correct inter unit cable of remote controller YES YES YE...

Page 52: ...U main circuit capacitor Replace IPDU Is case thermostat sensor connected CN500 Check and correct refrigerant volume Correct connector connection Check CODE No 14 Are L1 L2 S wires normal Correct wires Is 280V DC supplied to CDB CN03 Replace IPDU Does voltage between indoor unit terminal L2 and S fluctuate 0 140V DC Check MCC 1510 P C board Replace it if necessary Is 7V DC supplied to CDB Is CN06 ...

Page 53: ... status of indoor unit Connect again Correct connection of connector Check circuit wiring Correct switch setting on MCC 1510 P C board Correct inter unit cable of remote controller YES YES YES YES YES NO NO NO NO Is indoor unit switch SW02 setting corrent Bit 1 OFF Bit 2 OFF NO YES NO E18 error E08 L03 L07 L08 error E08 Duplicated indoor unit No L03 There are 2 or more master units in a group cont...

Page 54: ...ollower Wired remote controller address connector Check wired remote controller board Replace it if necessary Are A B wires normal Group control operation Are all indoor units powered ON Twin or triple control Improper harness connection from indoor unit terminal block Improper signal connection between indoor unit and outdoor unit Are 2 headers set by double wired remote controller Is indoor unit...

Page 55: ...heck outside devices Defect Replace YES YES NO NO Is connection of TA sensor connector CN104 on indoor P C board correct Are characteristics of TA sensor resistance value normal Check indoor P C board MCC 1510 Defect Replace Refer to Characteristics 1 Replace TA sensor Correct connection of connector YES YES NO NO L30 error F10 error FILE NO SVM 12042 55 ...

Page 56: ...nected Is min 280V DC present between CN210 pin and Operate indoor unit except heating by remote controller Is min 1V DC present between CN210 pin and Measure within 15 seconds Rotate the fan by hand with operation OFF Is 0 to 15V DC rev return signal generated between CN210 pin and Operate indoor unit except heating by remote controller Is min 1V DC present between CN210 pin and Measure within 15...

Page 57: ...it P C board which generated during 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 error is displayed on the central controller P31 error Follower indoor unit When the header unit of a group operation detec...

Page 58: ...0 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 C 0 10 20 25 30 40 50 60 70 80 90 100 Resistance value kΩ Ω Ω Ω Ω Minimum value Standard value Maximum value 150 5 161 3 172 7 92 76 99 05 105 6 58 61 62 36 66 26 47 01 49 93 52 97 37...

Page 59: ...is working correctly by test operation Replacement procedure CASE 1 Before replacement power of the indoor unit can be turned on and the setup data can be readout by the wired remote controller Read EEPROM data see H1 in Page 61 ò Replace service P C board power ON see H2 in Page 62 ò Write the read data to EEPROM see H3 in Page 64 ò Power reset If in group operation reset the power for all indoor...

Page 60: ...an be moved up and down one by one 3 4 First change the CODE No DN from to Setting of filter sign lighting time Make a note of the SET DATA displayed in this time 5 Next change the CODE No DN using the set temperature buttons Also make a note of the SET DATA 6 Repeat item 5 and made a note of the important SET DATA as shown in the below table to are provided in the CODE No DN On the way of operati...

Page 61: ...o H3 2 In case of group operation Turn on power of the indoor unit of which P C board has been replaced with the service P C board with any method in the following items A Turn on power of the replaced indoor unit only However the remote controller is also connected Otherwise H3 operation cannot be performed Same as A and B in item 1 B Turn on power of the multiple indoor units including replaced ...

Page 62: ...W02 Bit 1 Bit 2 Selected content Terminator resistor for central control Remote controller A B selection Custom Multi model selection No use RAV SM KRT series 1 1 OFF OFF At shipment OFF Without terminator OFF A selection OFF Custom model OFF DIP switch SW01 SW02 EEPROM IC10 MCC 1510 SW01 IC10 2 1 ON SW02 ON J01 1 2 FILE NO SVM 12042 62 ...

Page 63: ...p of lighting time of filter sign 6 The contents of the displayed SET DATA in this time should be agreed with the contents in the previous memorandum in H1 1 If data disagree change the displayed SET DATA to that in the previous memorandum by the timer time buttons and then push SET button OK when the display goes on 2 There is nothing to do when data agrees 7 Using the set temperature buttons cha...

Page 64: ...nce of automatic cooling heating selecting control points Auto restart Option input selection CN80 Thermo output selection T10 Input selection T10 Sensor selection Timer set Wired remote controller Louver selection of cooling Memo Be sure to set as 0008 At shipment 0001 150 hour 0000 Standard 0099 Unfixed 0002 2 C 0000 Standard 0001 No auto mode Automatic selection by cooling heating connected out...

Page 65: ...ff To prevent a continuous test run operation 60 minutes timer release function is provided to this remote controller Checking signal transmission from remote controller 1 Push ON OFF on the remote controller to check for nomal operation using remote controller To enter AUTO mode push TEMPORATY once for about 1 second For forcible cooling push TEMPORATY for 10 seconds or more COOL operation specif...

Page 66: ...ush ON OFF ON OFF Key Select the HEAT mode After 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 defrost operation again start procedure from above item 1 If the forced defrost oper...

Page 67: ...ontrol is displayed one after the other In this time fan and louver of the selected indoor unit only operate ò 3 Using the set temperature TEMP buttons specify the CODE No DN ò 4 Using the timer time TIME buttons select the SET DATA ò 5 Push SET button OK if indication lights To change the selected indoor unit proceed to Procedure 2 To change CODE No to be set up proceed to Procedure 3 ò 6 Pushing...

Page 68: ...at pump 0001 Cooling only No display for AUTO HEAT 0001 4 way air discharge cassette 0004 Concealed duct 0007 Under ceiling 0008 High wall 0000 Undecided 0001 to 0034 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Master unit in group 0002 Follower unit in group 0000 0 deg to 0010 10 deg Cool heat are reversed with Data value 2 against the set temperature ...

Page 69: ...r Terminal block for remote controller wires Remote controller wires Procured locally Indoor 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 Wireless remote controller A B selection Using 2 wireless remote controllers for the respective air conditioners when the 2 air conditioners are closely installed Wireless ...

Page 70: ... Indoor unit data CODE No 00 01 02 03 04 Data name Room temperature under control 1 Room temperature Remote controller Indoor suction temperature TA Indoor heat exchanger Coil temperature TCJ Indoor heat exchanger Coil temperature TC Outdoor unit data CODE No 60 61 62 63 65 Data name Outdoor heat exchanger Coil temperature TE Outside temperature TO Compressor discharge temperature TD Compressor su...

Page 71: ...emperature according to setting on the remote controller System example 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the header unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic address If power of ...

Page 72: ...s OK Approx 50 seconds 2 In AUTO address Approx 4 to 5 minutes Normal Gr normal 1 There is no duplicated indoor unit address 2 There is no invalid indoor unit address 3 Individual unit and header follower units are not intermingled 4 Only a unit for individual 5 A header indoor unit and 1 or more follower indoor units for Gr Automatic address judgment Initial communication Usual regular communicat...

Page 73: ...ect an indoor unit to the TCC LINK central controller 10 8 2 Connection Diagram CN40 CN41 Indoor unit Central controller Terminal block U3 U4 Terminal block A B TCC LINK Number of units 64 Communication length 2km Remote controller FILE NO SVM 12042 73 ...

Page 74: ... one point grounding at the indoor unit side Set the terminating resistors Central control for custom indoor units only Notes 1 Joint shield wire between indoor units by closed end terminating 2 Leave the end of the shield wire open with insulation processing 3 Make one point grounding at the indoor unit side Central control device U1 U2 1 2 3 Outdoor unit Indoor unit 1 2 3 1 2 3 1 2 3 1 2 3 A B U...

Page 75: ...e 3 1 2 3 Refrigerant line 4 1 2 3 A B U3 U4 1 2 3 A B U3 U4 1 2 3 A B 1 2 3 A B 1 2 3 A B U3 U4 TCC LINK adapte option Required for DI SDI indoor units other than WallTyoe Remote controller Indoor outdoor inter unit wire AC230V serial Central control system wiring Header unit Followerunit Follower unit Wiring for No 1 and 2 only Remote controller Remote controller Remote controller Remote control...

Page 76: ...onnect TCJ sensor Drain guide fixing screw TCJ sensor with sleeve Drain guide 3 Remove the earth wire TC sensor and motor lead louver motor fan motor TC sensor Display fixing screw Earth wire Electrical control box fixing screw Fan motor connector insert position 4 Remove the screws and detach the electrical control box ...

Page 77: ...N102 MCC 1510 1 ON 2 OFF 2 OFF 1 OFF ON 1 2 ON 1 2 SW02 After setting change Factory setting 5 Detach the electric parts cover and set SW01 bit 1 to ON Do not touch bit 2 as it is for other setting 6 Install the removed parts by reversing steps 1 to 6 Insert the sensors and motor leads firmly into their correct positions ...

Page 78: ... address If auto address setting failed set refrigerant line address manually Refer to 11 ADDRESS SETTING Manual setting change of refrigerant line addresses Is group control including twin triple double twin going Re set indoor units with central control function to header unit and other indoor units to follower unit NO YES NO YES Are all indoor units with central control function header unit gro...

Page 79: ...ntral controller Refrigerant system 1 Refrigerant system 2 Refrigerant system 3 Refrigerant system 4 Refrigerant system 5 O U O U O U O U O U I U I U I U I U I U I U Refrigerant line address Indoor unit address Group address Refrigerant line address Indoor unit address Group address An example after auto address setting After changing refrigerant line address manually R C For changing setting refr...

Page 80: ... 1 1 1 30 3 1 1 2 2 30 4 2 1 1 1 30 5 1 2 1 2 5 1 2 Central controller Refrigerant system 30 Refrigerant system 31 Refrigerant system 32 Refrigerant system 33 Refrigerant system 34 O U O U O U O U O U I U I U I U I U I U I U R C R C R C R C Refrigerant line address Indoor unit address Group address Refrigerant line address Indoor unit address Group address An example after auto address setting Aft...

Page 81: ...re se lected At this time the fans of all the selected indoor units start running Fig 1 Maintain this state without pushing UNIT LOUVER For individual remote controllers without group control a refrigerant line address and an indoor unit address are indicated 2 Specify code with TEMP buttons 3 Choose setting data with TIME buttons Table 1 shows setting data 4 Push SET Indication on the LCD shows n...

Page 82: ... R C and I U temporarily one to one Power ON outdoor unit Set address for each I U individually END One refrigerant system Power ON outdoor unit Auto address setting ends within 4 to 5 minutes Is group control going Multiple units for twin triple operation Auto address setting first then corrected Power ON outdoor unit Refrigerant line address Indoor unit address Group address Setting data range 0...

Page 83: ...ation of refrigerant cycle such as twin triple or double twin Representative an indoor unit which communicates with O U among those with same refrigerant Twin header line address Communicates with sub indoor units and with O U instructions to compressor on behalf of cycle control Sub indoor unit Indoor units except the main indoor unit in a twin triple or double twin system Sub unit Communicates w...

Page 84: ...Address Setting fro No Address Setting 1 Standard one outdoor unit a Single b Twin Turn ON the power Address setting is completed automatically 2 Group operation multiple O U multiple indoor units with serial communication interface no twin Turn ON the power Address setting is completed automatically 3 Multiple g roup oper ation Address change required Change sub unit addresses at the same time ma...

Page 85: ...00 header unit 0001 follower unit 0002 10 Push SET Indication on the LCD shows normal operation 11 Push TEST Indoor unit address setting is completed The operation mode returns to normal OFF For systems like this example connect a wired remote controller independently without connecting remote controller wires and then set these addresses Refrigerant line address Indoor unit address Group address ...

Page 86: ... group Perform the procedure while the indoor unit is not working This procedure stops operation of all indoor units in the group Procedure Indoor unit numbers appear one by one and the fan and louver of the displayed unit run 1 Push TEST and VENT on the remote controller simultaneously for 4 seconds or more UNIT No appears The fan and louver of all indoor units in the group run 2 Each pushing of ...

Page 87: ...e surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable objects Flames from the equi...

Page 88: ...ws 4 pcs 5 Take off 4 hooks of panel from rear side How to assemble the front panel 1 Push 3 center positions and 2 lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Tighten four screws Incomplete hanging or incomplete pushing may cause a dewdrops or generation of a fluttering sound 3 Push PUSH part under the front...

Page 89: ...haft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Procedures 1 Perform work of item 2 Take off drain guide fixing screws 2pcs 3 Pull out TC and TCJ sensors from the senser holder of the heat exchanger When reassembling the elect parts be careful to the attaching positions of every seneor TC and TCJ...

Page 90: ... the procedure in the item 2 Remove the pipe holder from the rear side of the main unit 3 Remove 2 fixing screws at the left side of the end plate of the heat exchanger Remarks 4 Remove 2 fixing screws on the heat exchager fixing holder to separate the heat exchanger from the back body FILE NO SVM 12042 90 ...

Page 91: ...Remove the 2 screws used to secure the bearing base 3 Remove the bearing base Remarks Bearing base Bearing 2 screws Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate it in the main body FILE NO SVM 12042 91 ...

Page 92: ...rew of the cross flow fan 3 Remove 2 fixing screws of the motor cover and them remove the motor cover 4 Remove 2 more fixing screws of the motor band and remove the motor band Remarks 5 Pull the fan motor outward Set screw 2 screws on motor cover 2 screws on motor band FILE NO SVM 12042 92 ...

Page 93: ...5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the 2 fix...

Page 94: ...43T09040 LOUVER HORIZONTAL 204 43T20016 FAN ASSY CROSS FLOW 226 43T03020 BODY ASSY BACK 205 43T49010 PIPE SHIELD RAV SM566KRT A 227 43T44476 EVAPORATOR ASSY 206 43T83003 HOLDER REMOTE CONTROL RAV SM566KRT A 207 43T82011 PLATE INSTALLATION 228 43T44477 EVAPORATOR ASSY 209 43T19333 HOLDER SENSOR RAV SM806KRT A 210 43T49043 HOLDER PIPE 229 43T09439 GRILLE OF AIR INLET ASSY 211 43T39024 DRAIN GUIDE 23...

Page 95: ...RRIER THAILAND CO Ltd and then place an order for parts to TOSHIBA CARRIER THAILAND CO Ltd FILE NO SVM 12042 95 Location Part Location Part No No No No 401 43T50304 SENSOR HEAT EXCHANGER 404 43T60362 TERMINAL 402 43T69320 TEMPERATURE SENSOR 405 43T69979 PC BOARD ASSY 403 43T60047 TERMINAL 406 43T69084 PC BOARD ASSY WRS LED Description Description ...

Page 96: ...ssory Parts 3 Installation 4 Requirements to install the remote controller 4 Install the remote controller 6 Wire the remote controller 7 Requirements for wiring of group control 7 Requirements for installing two remote controllers 7 For first use 9 Note 9 Part Names and Functions 10 Monitor screen 11 Initial setting 12 1 Clock 12 2 Name of room 13 3 Screen contrast 14 4 Backlight 15 5 Key lock 15...

Page 97: ...e extending to buildings household effects domestic livestock and pets Symbols Meaning of Symbols Indicates prohibited items The actual contents of the prohibition are indicated by a picture or text placed inside or next to the graphic symbol Indicates compulsory mandatory items The actual contents of the obligation indicated by a picture or text placed inside or next to the graphic symbol WARNING...

Page 98: ...emote controller communication wire and the wire for AC220 240 V to come into contact or put them together in one electrical conduit otherwise the control system may have trouble due to noise Varies depending on the type of remote controller used Installation of multiple remote controllers To install two or more adjacent remote controllers follow the instructions in the Fig 1 and 2 Wiring type VCT...

Page 99: ...wiring of group control for indoor units of 4 way cassette type and other types set the 4 way cassette type as the header unit otherwise some settings such as the individual louver setting are not available To make wiring of group control for the indoor unit with the automatic grille up down function and the one without the function set the indoor unit with the automatic grille up down function as...

Page 100: ...cally procured Remote controller header Remote controller follower Sold separately Terminal block for the remote control wiring Earth Indoor unit No 1 Earth Earth Earth Indoor unit No 2 Indoor unit No 3 Indoor unit No 8 Lite Vision plus Remote Controller Installation Manual For first use It takes some time before the remote controller becomes operable when the remote controller is used for the fir...

Page 101: ...the screen when the detailed display mode is selected Lite Vision plus Remote Controller Installation Manual Monitor screen Check the current usage status NOTE Total running hour The Total running hour is recorded on the remote controller The time is not recorded during Self cleaning operation or fan operation Outdoor temp Displays the temperature around the vent of the outdoor unit The displayed ...

Page 102: ... conditioner are possible without this setting 1 Push the button to select 1 Clock on the Initial setting screen then push the Set F2 button 2 Push the button to select the year month date and time ÆPush the F1 F2 button to set the value 3 Push the MENU button The clock display appears on the upper right of the screen The clock display blinks if the clock setting has been reset due to power failur...

Page 103: ...he button to select 4 Backlight on the Initial setting screen then push the Set F2 button 2 Push the button to select ON or OFF 3 Push the MENU button ÆWhen ON is selected the back light is turned on during operating with the remote controller ÆWhen OFF is selected the back light is not turned on NOTE The back light of the LCD is turned on as factory default 1 Push the button to select 5 Key lock ...

Page 104: ...r is set as Header remote controller as factory default 1 Push the button to select 6 Header follower on the Initial setting screen then push the Set F2 button 2 Push the button to select the setting 3 Push the MENU button Æ Setting appears on the screen then the screen returns to the Initial setting screen Initial setting 2 2 6 Header Follower 7 Language 8 Press hold 4 sec Set Return Set Header F...

Page 105: ...the electromagnetic contactor to forcibly perform the test mode It is very dangerous because the protective device does not work Performing the test mode For the procedure of the operation refer to the supplied Owner s Manual A forced test mode can be performed according to the following procedure when the room temperature rises falls enough for the thermostat to turn off In order to prevent a con...

Page 106: ...turn Set Set Yes Return Test mode start No Yes Test mode Test 1 Room A 12 00 Mode Fan Speed Cool Set Yes Test 2 Room A 12 00 Return Test mode stop No Yes Test mode 3 Lite Vision plus Remote Controller Installation Manual Using the Service monitor with the MONITOR button during the test mode 2 Register service info Register information about the contact number for service model name and serial numb...

Page 107: ...t type and VRF outdoor units Enter the model name and serial number manually after replacing the circuit board to the service circuit board unless entering information manually before replacement of the circuit board Flow chart of usual process Entering the model name and serial number manually Product Model name and serial number display Light commercial indoor unit Information data is loaded aut...

Page 108: ... Model name selection Outdoor model name Outdoor model name Return Set Fix Set Return Set Fix Del A BCDE F GH I J KLMNO PQRST U W X Y Z abcde f g h i j klmno p q r s t uvwxy z 12345 67890 1 Manual model name input 2 Model name selection Outdoor model name RAV SP1104AT8 E Outdoor model name Return Set Fix Set Model name selection Remote controller Outdoor unit Return Fix Lite Vision plus Remote Con...

Page 109: ...then push the Set F2 button ÆThe fan and louver of the indoor unit operate When the group control is used the fan and louver of the selected indoor unit operate ÆMove the cursor to select DN code with the F1 button then set DN code with the button ÆMove the cursor to select data with the F2 button then set data with the button 2 Refer to the Installation Manual supplied with the indoor unit or ser...

Page 110: ... of high concentration buildings 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 ...

Page 111: ...TOSHIBA CARRIER CORPORATION ...

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