Toshiba RAV-GM301ATP-E Service Manual Download Page 26

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7. INDOOR UNIT CONTROL

7-1. Indoor Control

ler block diagram

Wired (Simple) header remote controller (wired)

Central remote controller

Outdoor unit

Max. 8 units are connectable.

∗

1 When group and twin combination.

Main remote controller shal be connected follower indoor unit.

∗

2 Weekly timer is not connectable to the sub remote controller.

Same as

the left

Follower unit

DC5V

Indoor unit
#1 Header unit

Indoor control P.C.
board (MCC-1

696

)

Receiver and
Display P.C. board
(

WP-033

)

Sold separately

Louver

motor

Indoor

fan motor

CPU

RL78/G13

Driver

Buzzer

DC5V

DC12V

DC20V

Outside
output

Remote controller

communication circuit

Display LCD

Function setup

Key switch

CN2

CN1

∗

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

DC280V

DC15V

Fan motor

control circuit

EEPROM

TA sensor

TC sensor

TCJ sensor

Run/

Alarm/

Ready/

Thermo. ON/

COOL/HEAT/

FAN

Serial send/

receive circuit

Wireless remote

signal setting

(A/B)

Central control

remote controller

(Sold separately)

synchronous

signal input circuit

Power

circuit

Secondary

battery

Display

LCD

Outdoor

unit

Same as

the left

Outdoor

unit

7-1-1. Connection of wired remote controller

FILE NO. SVM-18059

- 26 -

Summary of Contents for RAV-GM301ATP-E

Page 1: ...SERVICE MANUAL AIR CONDITIONER SPLIT TYPE INDOOR UNIT High Wall Type RAV RM301KRTP Series RAV RM401KRTP Series RAV RM561KRTP Series RAV RM801KRTP Series June 2018 R32 or R410A FILE NO SVM 18059 ...

Page 2: ...2 Refrigerant Piping Installation 18 6 3 Tools 22 6 4 Recharging of Refrigerant 23 6 5 Brazing of Pipes 24 7 INDOOR CONTROL CIRCUIT 26 7 1 Indoor Controller Block Diagram 26 7 2 Control Specifications 28 7 3 Indoor Print Circuit Board High Wall Type 40 8 TROUBLESHOOTING 42 8 1 Summary of Troubleshooting 42 8 2 Troubleshooting 44 9 REPLACEMENT OF SERVICE P C BOARD 60 10 SETUP AT LOCAL SITE AND OTHE...

Page 3: ...oroughly acquainted with 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 k...

Page 4: ...ndicates possibilities assumed that a danger causing a death or serious injury of the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the repair engineers the third parties and the users due to troubles of the product after work when an i...

Page 5: ...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 might be the burst WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing BURST HAZARD Open the service valves before the operation otherwise there might be the...

Page 6: ...g with the work Prohibition 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 ...

Page 7: ...h the live part Electric 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 Elec...

Page 8: ...ot use a welder in the closed 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 produ...

Page 9: ...d service panel of the outdoor 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 ...

Page 10: ...er has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the 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 glov...

Page 11: ...Generic Denomination Model type Commercial name Air Conditioner RAV RM301KRTP E RAV RM401KRTP E RAV RM561KRTP E RAV RM801KRTP E RAV RM301KRTP TR RAV RM401KRTP TR RAV RM561KRTP TR RAV RM801KRTP TR 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 Model S...

Page 12: ...230 250 250 Total weight 10 10 14 14 Standard air flow H M L m3 min 11 1 9 0 7 5 11 7 9 7 7 5 16 0 13 8 11 3 17 3 15 2 11 3 30 30 30 30 H M L dB A 40 34 29 41 36 30 42 39 35 45 41 35 H M L dB A 55 49 44 56 51 45 57 54 50 60 56 50 Gas side mm 9 5 12 7 12 7 15 9 Liquid side mm 6 4 6 4 6 4 9 5 Drain port mm Indoor unit RAV RM Outdoor unit RAV GM Electrical Characteristics Outer dimension Cooling Heat...

Page 13: ...et 798 114 340 97 24 Installation plate hanger 131 131 140 131 120 24 Drain hose 0 4m Installation plate hanger Connecting pipe 0 35m Flare 9 52mm Installation plate hanger Connecting pipe 0 40m Flare 6 35mm 510 40 298 94 94 135 170 170 135 40 144 144 170 170 192 192 Installation plate outline Center line Hanger Hanger Hanger Outline of indoor unit 65 65 19 17 5 58 Wireless remote controller 63 Re...

Page 14: ...er 219 213 140 525 Installation plate outline Center line Hanger Hanger Outline of indoor unit For stud bold 6 For stud bold 8 10 Hanger 786 85 23 235 215 215 235 320 40 6 5 47 215 5 262 5 262 5 109 6 5 40 153 5 Grille Inlet Front Panel Knock Out System 50 8 73 5 Knock Out System 250 50 73 5 8 Air Filter Air Inlet Air Outlet Heat Exchanger 320 19 17 5 58 Wireless remote controller 63 Remote contro...

Page 15: ...ide 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 RM30 type RM40 RM56 type Outer diameter of refrigerant pipe In mm Gas side ØA Liquid side ØB 9 5 6 4 12 7 6 4 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM RM80 type 15 9 9 5 FILE NO SVM 18059 15 ...

Page 16: ...UIT POWER INFRARED RAYS RECEIVE AND INDICATION PARTS WP 033 COLOR IDENTIFICATION Indoor temp sensor TA TC TCJ TB01 TB02 Terminal Block FM F01 LM Fuse Fan Motor CN Symbol Connector Parts Name GREEN YELLOW 11 10 11 5 3 1 2 4 CN521 RED OPTION HA BLK RED WHI 1 2 TB01 3 BLK 1 2 3 Indoor terminal block Power supply from outdoor unit Outdoor terminal block 1 Broken line indicate the wiring at site Long d...

Page 17: ... 30W 340V DC 4 phase DC 12V 10kΩ at 25 C 10kΩ at 25 C 10kΩ at 25 C n Name of Each Part 5 SPECIFICATIONS OF ELECTRICAL PARTS Air inlet grille Air in the room is sucked from here Earth screw Earth screws are provided in the electric parts box Air filter Removes dust and trash Air filter is provided in the air inlet grille Air outlet Air outlet flap Change the direction of the air to be discharged ac...

Page 18: ...on cycle Otherwise pressure 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 conditioni...

Page 19: ...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 and preca...

Page 20: ... 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 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...

Page 21: ...r R32 or 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 22: ...tion method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope No 1 2 3 4 5 6 7 8 9 10 Usedtool Flare tool Copper pipe gauge for adjusting projection margin Torque wrench Gauge manifold Charge hose Vacuum pump adapter Electronic balance for refrigerant charging Refrigerant cylinder Leakage detector Charging cylinder Usage Pipe flaring Flaring by conventional fl...

Page 23: ...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 CAUTION 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrig...

Page 24: ...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 25: ...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 26: ...78 G13 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 sens...

Page 27: ...er motor Indoor fan motor CPU RL78 G13 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 Cen...

Page 28: ...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 29: ...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 30: ...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 31: ... 28 26 20 16 HH H L UL OFF E zone D zone C zone B zone A zone 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 Following figure 5 The HH fan speed for auto cooling heating is set to a ...

Page 32: ...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 33: ...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 34: ...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 35: ... 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 36: ...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 37: ...mperature 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 connection if there...

Page 38: ...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 39: ...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 40: ... Power LED D403 HBS CN50 DC12V SW02 SW01 Display output Wireless Sensor CN213 DC5V Remote controller CN41 DC20V Main bus CN40 DC5V Option board CN521 DC12V TA Sensor CN104 DC5V TCJ Sensor CN102 DC5V SWRT CN501 DC5V EXCT CN73 DC5V Outside error input CN80 DC12V EEPROM IC503 TC Sensor CN101 DC5V Inter unit wire CN67 AC200 240V Option output CN309 AC200 240V Inter unit wire CN67 AC200 240V FILE NO SV...

Page 41: ...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 operation mode is cooling line Cool Dry Cooing Heating AUTO cooling ON ...

Page 42: ...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 43: ...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 44: ...nication stop between indoor and outdoor units Indoor AC fan error Overflow was detected Protective device of indoor unit worked Indoor DC fan error Outdoor unit discharge temp error Outdoor high pressure system error Protective device of 1 Case thermostat worked outdoor unit worked Power supply error Power supply error Heat sink overheat error Outdoor unit error Gas leak detection error 4 way val...

Page 45: ... 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 46: ...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 18059 46 ...

Page 47: ...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 48: ...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 49: ...peration 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 error is detected Displayed when error is detected Displayed when error ...

Page 50: ...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 51: ...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 52: ...r unit Turn on power again Check indoor P C board MCC 1696 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 53: ...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 1696 P C board Replace it if necessary Is 7V DC supplied to CDB Is CN06 ...

Page 54: ... status of indoor unit Connect again Correct connection of connector Check circuit wiring Correct switch setting on MCC 1696 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 55: ...wer 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 swi...

Page 56: ...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 1696 Defect Replace Refer to Characteristics 1 Replace TA sensor Correct connection of connector YES YES NO NO L30 error F10 error FILE NO SVM 18059 56 ...

Page 57: ...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 58: ...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 Power ON SET is displayed on remote controller SET goes off LED D02 on indoor ...

Page 59: ...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 60: ...efrigerant cycle 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 pow...

Page 61: ...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 62: ...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 63: ... 2 SW02 Bit 1 Bit 2 Selected content Terminator resistor for central control Remote controller A B selection Custom Multi model selection No use RAV RM KRPT series 1 1 ON OFF At shipment OFF Without terminator OFF A selection OFF Custom model OFF IC501 SW01 L01 T01 Dip switch SW01 SW02 SW02 MCC 1696 C08 R04 DB01 FILE NO SVM 18059 63 ...

Page 64: ...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 65: ...nts Auto restart Option input selection CN80 Thermo output selection T10 Input selection T10 Sensor selection Dual Set Point Soft Cooling Memo Be sure to set as 0008 At shipment 0001 150 hour 0000 Standard 0099 Unfixed 0002 2 C 0000 Standard 0000 Auto mode Automatic selection by cooling heating connected outdoor unit 0000 Heat pump 0008 High wall type According to capacity type 0099 Unfixed 0099 U...

Page 66: ...t 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 TEMPORARY once for about 1 second For forcible cooling push TEMPORARY for 10 seconds or more COOL operation specified by remot...

Page 67: ...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 68: ...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 69: ...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 70: ...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 71: ... 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 72: ...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 73: ...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 74: ...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 18059 74 ...

Page 75: ...ounding 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 U3 U4 1 2 3 A ...

Page 76: ...erant 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 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 Header unit Followerunit Follower unit Follower unit Wiring for No 1 and 2 only Remote controller Remote controller Remote contr...

Page 77: ...semble the removed parts by reversing steps 1 to 3 CAUTION Connect the sensor and the motor lead certainly back to the previous position If they are not properly connected the system will not operate or other errors may occur Insert the sensors and motor lead louver motor fan motor into the original positions 1 ON 2 1 ON 2 MCC 1696 P01 CN61 CN32 CN50 CN41 CN40 1 ON 2 Factory setting After setting ...

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: ...guration 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 Communicate...

Page 84: ... M Main indoor unit S Sub indoor unit 2 Examples of Aut 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 group operation Address change ...

Page 85: ...oor 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 O U I U O U I U I U I U I U 1 2 2 1 3 2 2 1 2 2 2 2 Wiring example of 2 refrigerant systems Solid line wiring broken line refrigerant piping Power cable only Power cable o...

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: ...ed 3 Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this u...

Page 88: ...t as shown on figure 3 4 1 Follow the procedure item 3 2 Remove screw holding the electric part cover 3 Disconnect the connectors for the fan motor and louver motor from P C board assembly 4 Remove the earth screw and earth line from evaporator 5 Pull out TC sensor from sensor holder of the evaporator 6 Remove the 2 fixing screws that secures the electric parts box assembly unit display assembly a...

Page 89: ...motor outward 3 5 mm Cross flow fan Set screw Fan motor Body back Horizontal louver 6 1 Remove shaft of the horizontal louver from the back body First remove 2 the center shafts then remove the other shafts Horizontal louver Drain pan To re installation Check the type name of fan motor Keep connector position and arrange fan motor wires follow figure For SJM 240 25 4 5 Fan motor connector 4 5 Fan ...

Page 90: ...screws of the unit display and remove unit display 7 5 Remove the drain pan from the back body Electric part cover Screw Connectors Louver motor connector P C board To re installation Press the drain pan into the back body Please make sure ribs of drain pan in left and right side must be install to lock position Press the center arm of drain pan to back body Center arm of drain pan Back body Drain...

Page 91: ...g figure Install the cross flow fan so that the right end of the 1st joint from the right of the Cross flow fan is keep 3 5mm from closed wall of the main unit Holding the set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw 4 Lift up the heat exchanger follow the figure Pull out the left hand side until the cross flow fan is ...

Page 92: ...t exchanger is released from the hook of the motor cover then pull out the upper side of heat exchanger To re installation Put the evaporator hins seal on the body back before assembly the heat exchanger Please keep assembly heat exchanger follow figure as below Cross flow fan Heat exchanger Evaporator hins seal Please make sure that the hook of motor cover must be installed into the locking slot ...

Page 93: ...power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base Remarks Replace terminal block microcomputer ass y and the P C board ass y Microcomputer FILE NO SVM 18059 93 ...

Page 94: ...1461 225 43T66324 211 43T21471 226 43T83305 212 43T20344 227 43T91305 213 43T39365 228 43T91306 214 43T22312 229 43T91307 215 43T39364 232 43T62365 216 43T39368 233 43T85719 REFRIGERATION CYCLE ASSY FOR RAV RM301KRTP E TR REFRIGERATION CYCLE ASSY FOR RAV RM401KRTP E TR HOLDER SENSOR PIPE SHIELD INSTALLATION PLATE PIPE HOLDER TERMINAL COVER ASSY WIRELESS REMOCO NEW HOLDER REMOTE CONTROL PACKING SLE...

Page 95: ...ND CO Ltd and then place an order for parts to TOSHIBA CARRIER THAILAND CO Ltd Location Part No No Location Part No No 401 43T6W366 405 43T50383 402 43T60448 406 43T50603 403 43T60331 407 43T6V932 TEMPERATURE SENSOR TEMPERATURE SENSOR PC BOARD ASSY 404 43T6V674 PC BOARD ASSY TERMINAL TERMINAL 3P TEMPERATURE SENSOR Description Description FILE NO SVM 18059 95 ...

Page 96: ...3T82008 212 43T79322 226 43T62364 213 43T21478 227 43T66324 214 43T21471 228 43T83305 215 43T20357 232 43T91333 216 43T39385 233 43T91334 217 43T22312 234 43T91335 218 43T39384 235 43T85719 219 43T39381 FRONT PANEL ASSY CAP SCREW GRILLE OF AIR INLET ASSY AIR FILTER BACK BODY ASSY VERTICAL LOUVER ASSY DRAIN PAN ASSY HORIZONTAL LOUVER DRAIN HOSE DRAIN CAP MOTOR STEPPING MOTOR FAN CROSS FLOW FAN ASSY...

Page 97: ...ND CO Ltd and then place an order for parts to TOSHIBA CARRIER THAILAND CO Ltd Location Part No No Location Part No No 401 43T6W366 405 43T50383 402 43T60448 406 43T50603 403 43T60331 407 43T6V932 TEMPERATURE SENSOR TEMPERATURE SENSOR PC BOARD ASSY 404 43T6V674 PC BOARD ASSY TERMINAL TERMINAL 3P TEMPERATURE SENSOR Description Description FILE NO SVM 18059 97 ...

Page 98: ...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 99: ...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 100: ...mote 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 VCTF...

Page 101: ...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 102: ...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 103: ...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 104: ... 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 105: ...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 106: ...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 107: ...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 108: ...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 109: ...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 110: ... 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 111: ...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 112: ... 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 113: ...TOSHIBA CARRIER CORPORATION ...

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