Toshiba RAV-SM562KRT-E Service Manual Download Page 42

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Check code

Check code name

Possible causes

I/U sensor TCJ error

I/U sensor TCJ error

[F01]

(New code)

Check code

Check code name

Possible causes

I/U sensor TC error

Sensor TC open or short-circuit

[F02]

(New code)

Is TCJ connector

CN102 connected

normally?

Is TCJ resistor

characteristic

normal?

Check I/U main board.

→

Replace it if necessary.

Correct connector connection.

Replace sensor TCJ.

YES

* See I/U temp. sensor characteristics-2.

Is TC connector

CN101 connected

normally?

Is TC resistor
characteristic

normal?

Check I/U boards.

→

Replace defective board.

Correct connector connection.

Replace sensor TC.

YES

* See I/U temp. sensor characteristics-2.

Troubleshooting (Cont

nued)

–

Summary of Contents for RAV-SM562KRT-E

Page 1: ...R410A RAV SM562KRT E RAV SM802KRT E HI WALL TYPE INDOOR UNIT SERVICE MANUAL FILE NO SVM 05053 1 Rev Mar 2006 ...

Page 2: ...ESHOOTING 27 9 HOW TO REPLACEMENT OF SERVICE INDOOR P C BOARD 50 10 SETUP AT LOCAL SITE AND O THERS 54 11 ADDRESS SETUP 71 12 EXPLODED VIEWS AND PARTS LIST 76 NOTE This Service Manual describes explanation for the Under Ceiling type indoor unit For the combined outdoor unit refer to the following Service Manual Outdoor unit Model name SVM to be referred RAV SMXX0AT E A03 007 RAV SPXXXAT E A03 014 ...

Page 3: ...mption kW characteristics Low temp kW Power factor Main unit Appearance Ceiling Panel Model Sold separately Panel color Height mm Main unit Width mm Outer Depth mm dimension Ceiling panel Height mm Width mm Sold separately Depth mm Total weight Main unit kg Ceiling panel Heat exchanger Soundproof Heat insulating material Fan Fan unit Standard air flow High Mid Low m h Motor W Air filter Controller...

Page 4: ...16 14 Compressor speed rps Current A RAV SM562KRT E Conditions Indoor DB20 C Outdoor DB7 C WB6 C Air flow High Pipe length 7 5m 230V 50 55 60 65 70 75 80 85 90 95 100 105 32 33 34 35 36 37 38 39 40 41 42 43 Outsoor temp C Capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 7 5m RAV SM802KRT E 0 10 20 30 40 50 60 70 80 90 100 110 120 14 12 10 8 6 4 2 0 2 4 6 8 10 Outsoor...

Page 5: ... inlet 298 75 7 51 Knock out system 55 or more Minimum distance to ceiling 100 40 48 450 20 20 48 100 6 5 998 298 10 763 5 55 55 55 41 29 57 18160 6 5 Connection pipe 0 39 m For SM802 Flare 15 88 For SM562 Flare 12 7 Connection pipe 0 49 m Wireless remote control Flare 6 35 For stud bolt 6 For stud bolt 8 10 Drain hose 0 54 m Installation Plate outline Outline of indoor unit ...

Page 6: ...ice Manual RAV SMXXX0AT E A03 007 RAV SPXXXXAT E A03 014 Indoor unit Outdoor unit Outer diameter of refrig erant pipe Model RAV SM Gas side ØA Liquid side ØB 12 7 mm 6 4 mm 15 9 mm 9 5 mm TCJ sensor Air heat exchanger TC sensor Refrigerant pipe at gas side Outer dia ØA 562KRT E 802KRT E Refrigerant pipe at liquid side Outer dia ØB Packed valve Outer dia ØA Pd Ps Packed valve Outer dia ØB Cooling H...

Page 8: ...RT E No 1 2 3 4 5 Specifications Output Rated 30 W 220 240 V 10 kW at 25 C 10 kW at 25 C Parts name Fan motor for indoor Grille motor Thermo sensor TA sensor Heat exchanger sensor TC sensor Heat exchanger sensor TCJ sensor Type ICF340 30 X MP35EA12 268 mm Ø6 mm 400 mm Ø6 mm 400 mm MF 340 30 X 7 ...

Page 9: ...ressure 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 wi...

Page 10: ...thicknesses of socket joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 15 88 Minimum joint thickness mm 0 50 0 60 0 70 0 80 6 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oils ...

Page 11: ... clutch type 0 to 0 5 0 to 0 5 0 to 0 5 0 to 0 5 Conventional flare tool Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 6 2 4 Dimensions related to flare processing for R22 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 for R22 clutch type 0 to 0 5 0 to 0 ...

Page 12: ...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 manufacturer If any other oi...

Page 13: ...ng 8 Refrigerant cylinder 9 Leakage detector 10 Charging cylinder Usage Pipe flaring Flaring by conventional flare tool Connection of flare nut Evacuating refrigerant charge run check etc Vacuum evacuating Refrigerant charge Refrigerant charge Gas leakage check Refrigerant charge R410A air conditioner installation Existence of Whether conven new equipment tional equipment for R410A can be used Yes...

Page 14: ...side Recover the refrigerant and check no refrigerant remains in the equipment For refrigerant charging see the figure below Connect the charge hose of the vacuum pump adapter Open fully both packed valves at liquid and gas sides Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle When the c...

Page 15: ...ze 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 not use it for refrigerant pipes Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Th...

Page 16: ...use a flux which does not contain chlorine When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 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 pi...

Page 17: ...ndoor fan motor Outdoor unit 1 2 3 1 2 3 Power circuit DC5V CPU LCD driver Display LCD Function setup Key switch Weekly timer Secondary battery DC5V 2 CN2 CN1 A B 1 2 3 Outdoor unit Same as the left 2A B 1 2 3 Outdoor unit Same as the left Max 8 units are connectable 1 1 When group and twin combination main remote controller shal be connected follower indoor unit 2 Weekly timer is not connectable ...

Page 18: ... 1 Adjustment range Remote controller set temperature C When use of remote controller sensor is set with DN32 even when sensor value is within the above range in HEAT or AUTO mode the thermo sensor turns OFF when Ta sensor value exceeds 35 C Remarks The PREPARING lamp lights during initial setting model recognition after power on reset Fan speed adjustment of air flow direction R C instructions OF...

Page 19: ...1 Number of detection times 60 seconds before 4 DRY operation The frequency correction control is the same as that for COOL operation However the maximum frequency is limited to S6 or so Note When LOW fan speed is set the maximum frequency is limited to SB or so 1 Switching between COOL and HEAT is determined based on the following control 2 The GA control after determination of operation mode fol...

Page 20: ... difference between Ta and Ts is on a threshold line fan speed does not change Auto cooling Heating Temperature setting by remote controller Other than Temperature setting by unit Once fan speed is changed it remains unchanged for one minute unless different fan speed is selected by instruction At the beginning of heating a rising gradient higher fan speed is selected When the temperature differen...

Page 21: ...EPARING indication COOL HH H H L L UL HEAT HH H H L L UL AP40 56 1220 1180 1140 1120 1060 1060 990 940 500 AP63 1360 1300 1240 1200 1120 1120 1020 970 500 AP71 80 1480 1340 1320 1300 1200 1200 1100 1040 500 42 47 C Tc HH HH 7 1 Performs indoor unit fan control in the HEAT mode according to the Tc or Tcj sensor detect temperature The maximum speed is limited as shown below Cool air prevention contr...

Page 22: ...rue after 5 minutes pass from operation start A Tcn Tc n 1 5 B Tcn Tc n 1 1 and Tcn Ta 5 C Remarks Tcj Indoor unit heat exchange sensor temp I 5 2 Tc C J K A Tcn Tc after 5 minutes from operation start Tc n 1 Tc at operation start 9 1 Performs the following operation control in the HEAT mode according to the Tc or Tcj sensor detect temperature When zone M is detected the specified operating freque...

Page 23: ...in the range below All operation modes Flap swing range can be set collectively or individually in the group twin or triple operation mode Setting by wireless remote controller is disabled when the main remote controller is used 5 When air conditioner operation stops flap closes automatically It keeps its position in the event of an alarm 6 Flap tilts upward automatically during preparation for he...

Page 24: ...sing the HA terminal CH61 for remote ON OFF control When group operation is in use connect the connector to either header or follower indoor unit 13 1 Transmits filter replacement signal to remote controller for indication on the LCD when accumulated operation hours of indoor unit fan exceeds the specified time 150 hours 2 Clears accumulation timer upon receiving the filter reset signal from remot...

Page 25: ...ed and indoor unit heat exchange sensor temp Tc 20 minute data is averaged to calculate a set temperature correction value 4 The set temperature is corrected every 20 minutes with the following shift range Cooling 1 5 to 1 0K Heating 1 5 to 1 0K Power saving control Remarks No indication CENTRAL CONTROL lamp ON CENTRAL CONTROL lamp ON CENTRAL CONTROL lamp ON CENTRAL CONTROL lamp ON When wired remo...

Page 26: ...DC5V EXCT CN73 DC5V CN80 DC12V CHK CN71 DC5V CN60 DC12V HA T10 CN61 DC12V DISP CN72 DC5V D203 TC sensor TCJ sensor Microcomputer run LED Indoor unit outdoor unit wire Optional power supply Central control Terminating resistor provided not provided Indication output wireless reception DC fan input output Louver Remote controller TA sensor R C power LED External alarm input Option output Remote cont...

Page 27: ... ON OFF Single operation setting is performed with VENT button on the remote controller DN 31 HA ON OFF input J01 input no input pulse factory setting static input changeover Enables disables operation OFF by remote controller using the R C prohibition input ON during operation answerback of HA ON during alarm ON while outdoor unit is defrosting ON when thermo sensor is ON compressor ON ON in cool...

Page 28: ...in progress At t he first power on or when indoor unit address is changed operation control is disabled for about 5 minutes after power on B Are all cables wiring set in the initial state C Are indoor unit and remote controller connected correctly 2 Troubleshooting procedure When an error occurs check the unit in the following procedure Note Other than the check items in the table malfunction or w...

Page 29: ...o indicates errors of follower unit by lamp Judging from lamp status of indoor unit The indoor unit monitors the operating status of air conditioner When the protection circuit is activated the indoor unit indicates the following self diagnosis contents Error Check indication of lamps Check faulty location and parts OFF ON Blinking 0 5 seconds interval Lamp indication Check code E04 P12 TIMER PREP...

Page 30: ... Group connection indoor unit for individual indoor unit Group address not set No setting indoor unit capacity Duplication of indoor unit collective address Other errors of outdoor unit External interlock error Phase sequence error Protection device of outdoor unit is activated Protection device of outdoor unit is activated Indoor unit sensor error TIMER PREPARING OPERATION Alternate blinking TIME...

Page 31: ...ituation Conditions Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Failure of remote controller power supply or indoor unit EEPROM 1 Check remote controller wires 2 Check remote controller 3 Check indoor unit power wiring 4 Check i...

Page 32: ...switch is turned on When indoor unit DC fan alarm overcurrent locking etc is detected When an alarm is detected during heating due to temperature drop of heat exchange sensor Follower units in the group are disabled due to alarm E03 L03 L07 L08 of header unit Alternate Alternate Alternate Simultaneous Simultaneous Simultaneous Simultaneous Simultaneous Simultaneous Simultaneous Alternate Alternate...

Page 33: ...cted when reaching minimum frequency in current release control When compressor locking is detected When abnormal current is detected by AC CT or when phase loss is detected Ps pressure sensor error Low pressure protection circuit is activated Other outdoor unit errors 1 MCU communication error between PDU and CDB 2 IGBT heatsink temp detect error When phase sequence of 3 phase current is abnormal...

Page 34: ...8 Possible causes No signal reception from remote controller Serial signal from outdoor unit does not reach indoor unit Wrong wire connection Failure of outdoor unit serial transmitter Failure of indoor unit serial receiver Duplication of indoor unit address Duplication of header indoor unit Group line in individual indoor unit Indoor unit group address not set Indoor unit capacity not set Externa...

Page 35: ...eration continued Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an error is detected Indicated when an erro...

Page 36: ...ON and OFF states Numbers appearing on the LCD Seven segment display Step Operation Press SET and TEST at the same time for 4 seconds or more The LCD indication changes as shown below Indication of SERVICE CHECK shows that the unit is in the error log mode Code No 01 order of error log is displayed A check code is displayed The address of faulty indoor unit is displayed in the UNIT No area Each pr...

Page 37: ... states A Press SET and TEST at the same time for 4 seconds or more B Indication of SERVICE CHECK and UNIT No 01 appear C When selecting a group number blinking a unit number and the latest error log if any are displayed alternately Temperature setting is disabled at this time Indication of unit number UNIT No R C No Alternate blinking Indication of alarm CHECK Indication of unit number UNIT No R ...

Page 38: ...I U terminal block Group control operation Are all indoor units powered ON Is R C powered ON A B terminals Approx 18VDC Is no header set by double R C YES NO NO YES NO YES NO YES YES NO Correct R C wires Correct connector connection Check circuit wiring Check I U power connection power off and on Check I U boards Replace defective board Correct one header one follower R C address connector Check R...

Page 39: ...ode name Possible causes I U R C communication error detected by I U No communication from R C and communication adapter E03 New code Indoor unit I U detects this error when it cannot receive signals from remote controller R C Check communication wiring of R C A and B This code E03 is not displayed on the R C because of communication error This code is displayed on the TCC LINK central controller ...

Page 40: ... main circuit capacitor Is 280VDC supplied to CDB CN03 Is 7VDC supplied to CDB Is CN06 CN800 connection normal Is case thermo sensor connected CN500 Is case thermo sensor working Check and correct refrigerant volume Check I U boards Replace defective board Check code 14 Correct wires Correct connector connection Correct switch setting on MCC 1510 board Check MCC 1510 board Replace it if necessary ...

Page 41: ...wer R C address connector Check R C board Replace it if necessary NO YES Correct R C wire connection Correct connector connection Check circuit wiring Correct switch setting on MCC 1510 board Check I U power connection power off and on Correct signal wire connection between I U and O U Are A B wires normal Improper harness connection from I U terminal block Is I U switch SW02 setting correct Bit 1...

Page 42: ... normally Is TCJ resistor characteristic normal Check I U main board Replace it if necessary Correct connector connection Replace sensor TCJ YES NO YES NO See I U temp sensor characteristics 2 Is TC connector CN101 connected normally Is TC resistor characteristic normal Check I U boards Replace defective board Correct connector connection Replace sensor TC YES NO YES NO See I U temp sensor charact...

Page 43: ...for about 10 seconds 1Hz Reboot reset Repeated Is TA connector CN104 connected normally Is TA resistor characteristic normal See I U temp sensor characteristics 1 Check MCC 1510 board Replace it if necessary Correct connector connection Replace sensor TA YES NO YES NO Check code Check code name Possible causes Other indoor unit errors Failure of I U board F29 New code If EEPROM is not mounted at p...

Page 44: ... detected at power on the unit enters auto address setting mode automatically No code is indicated However if any of these codes is detected in the auto address setting mode a check code is displayed in some cases Is O U free from power fluctuation Check CDB board Check power voltage Improve power lines Check external noise YES NO Is indoor unit capacity set Set I U capacity data DN 11 Check MCC 1...

Page 45: ... group is it set to header unit Check and correct I U address central control address Correct cable connection Set the connected unit to header unit Check code Check code name Possible causes I U external interlock When an external alarm is input L30 New code Is external device connected to CN80 Is external device working normally Check possible error causes Check I U boards Replace defective boar...

Page 46: ...n using R C Fan motor is normal Does fan stop with operation OFF Does cross flow fan rotate normally by hand Does fan speed increase Does fan rotate Is min 1VDC present between CN210 pin E and C Is min 280VDC present between CN210 pin A and C Is min 280VDC present between CN210 pin D and C Is min 15VDC present between CN210 pin D and C with motor connected Operate I U except heating by R C Is min ...

Page 47: ...w fan shaft P12 New code When AC cord is plugged in I U fan starts rotating Check voltage on the motor connector CN210 pin C GND black and pin E V line yellow while fan is rotating 1 0VDC or higher Check the fan motor output DC voltage on the I U board Failure of I U MCC 1510 board Below 1 0VDC Failure of I U fan motor P C board Yellow Black Blue Yellow White Black Red 46 ...

Page 48: ...ror When an error occurs with other units in the group P31 New code When header unit detects E03 L03 L07 or L08 during group operation P31 is indicated on follower units in the group and their operation stops No code or alarm log is displayed on the R C Troubleshooting Continued 47 ...

Page 49: ...ctor connection CN40 to CN44 EMG on I U board Set the connected unit to header unit Is I U powered ON Is harness from I U terminal block connected properly Can I U be operated by R C individually Are U3 U4 com cables normal 1 Check wrong connection disconnection and shield wire s contact with com cable When a unit connected to U3 U4 is in a group is it set to header unit Free from noise Is the cod...

Page 50: ...0 30 40 50 20 40 0 60 70 10 30 10 0 C k 10 20 30 40 C 50 10 20 0 k 100 200 0 10 20 0 50 100 C k k Characteristic 4 Sensor TD C k k 10 20 30 40 50 60 70 10 0 10 20 0 100 200 0 Characteristic 3 Sensor TE TO TS 10 C or lower Resistance Temperature Resistance Resistance Temperature 10 C or higher Resistance 50 C or lower Resistance 50 C or lower Resistance Temperature 49 ...

Page 51: ...wer ON reset for all indoor units connected to R C in group control mode Case 2 When it is impossible to power ON indoor unit before replacement or when wired R C is disabled due to failure of power supply circuit board failure Replacing EEPROM For layout of components and replacement see page 49 Remove the EEPROM on the board and replace it with the EEPROM on the service board Replacing Service B...

Page 52: ...twin or triple operation Essential DN codes 2 Replacing Service Board and Power ON 1 Replace the board with a service board Reflect the jumper wire cut setting and switch setting on the board in the service board For switch setting and component layout see page 53 2 Power ON the indoor unit in either way of the following according to system configuration a Single individual operation Power ON the ...

Page 53: ...on the LCD shows normal operation iv Press to return the operation mode to normal OFF 6 It takes about one minute until R C operation is enabled 5 Write the data set after installation such as address in the EEPROM Repeat steps 1 and 2 above 6 Specify DN with TEMP buttons Setting of filter sign ON time 7 Check the displayed data comparing the content written down in 1 page 49 i If the data is inco...

Page 54: ...ned 0002 2 C 0000 Normal 0000 Heat pump type air conditioner 0008 Wall type Depends on capacity type 0099 Not determined 0099 Not determined 0099 Not determined 0003 3 C Ts 1 5 0000 Not provided 0002 External alarm input 0000 Thermo output ON 0000 Operation input 0000 Disabled 0000 Unit sensor 0000 Available 0000 Normal 0000 Not provided Onboard Component Layout MCC 1510 SW01 2 1 ON 1 2 SW02 ON J0...

Page 55: ...at TRIAL OPERATION disappears from the LCD Wired remote controller has 60 minute timer reset function to prevent continuous trial operation Checking wiring and piping of indoor outdoor units 1 Open the front panel of the indoor unit 2 Press TEMPORARY button for 10 seconds The unit enters forcible cooling mode with a sound pi COOL operation starts forcibly about 3 minutes later Check whether cool a...

Page 56: ...eration mode After a while a forcible defrosting signal is transmitted to the outdoor unit Upon receiving the signal the outdoor unit starts defrosting It takes up to 12 minutes On completion of defrosting the indoor unit restart HEAT operation To reexecute defrosting repeat steps from step 1 above Once forcible defrosting is performed the above setting for forcible defrosting is reset 1 3 Indicat...

Page 57: ...Horizontal angle Horizontal angle Use this mode to measure JRA capacity Use this mode under the conditions of JIS B8615 1 Perform the settings in the table by remote controller Execution procedure Press on the R C To reexecute JRA capacity measurement repeat steps from step 1 above Once this measurement is completed the above setting is reset 1 5 Function Select Setting wired R C only Perform the ...

Page 58: ... recommended 0000 PREPARING indicated 0001 No indication 0000 Heat pump 0001 COOL only No AUTO HEAT indication 0000 Ceiling panel 1 0001 ceiling panel 4 0037 0000 Not determined 0001 0034 0001 No 1 0030 No 30 0001 No 1 0064 No 64 0000 Individual 0001 Group header 0002 Group follower 0000 0deg 0010 10deg Switching at set temperature data 2 0000 Not provided 0001 Provided 0000 Filter input 0001 Alar...

Page 59: ...ote controllers Setting to use a wired remote controller as follower R C Change the setting of DIP switch on the back of R C switch to R C follower as shown in the figure Setting This control is provided to control one or more indoor units by two remote controllers Up to 2 remote controllers can be installed Wired remote controller 2 1 2 1 2 1 R C follower R C header DIP switch A B A B 1 2 3 1 2 3...

Page 60: ... sensor number code you want to monitor with buttons The following table lists sensor numbers 1 Header indoor unit only under group control 4 3 2 1 1 2 3 4 Operation procedure Returns to normal indication 3 Choose an indoor unit you want to monitor with button to monitor sensor temperatures of indoor units and outdoor unit in the same control group 4 Press to return to the normal indication Code 0...

Page 61: ...lay the latest error The faulty indoor unit number and error content are displayed 2 To monitor other errors change error log number code with buttons Code latest Code oldest Note Up to 4 errors are memorized in the error log 3 Press to return to the normal indication REQUIREMENT Do not press as this button clears entire error log of indoor unit 1 2 3 3 2 1 Operation procedure Returns to normal in...

Page 62: ...are compatible with the remote control HA Operation ON OFF control for entire group is available A Multiple HA inputs in one group are not allowed 3 Address setting If there is no serial data communication between indoor and outdoor units at power on the indoor unit is regarded as twin follower unit Each time of power on Recognition of twin header main follower sub is carried out at each power on ...

Page 63: ...ts 30 second cycle Header follower Within same piping 30 second cycle Twin main sub Communication starts as soon as above status changes Repeated 3 minutes passed Auto address start About one minute to end Notes on trial operation Check for normal connections of power cable I U O U serial wiring and group wiring Power ON all indoor units within 3 minutes R C operation available time after power on...

Page 64: ...mmunication length 2km Remote controller 3 1 3 TCC LINK Connections How to make connections The terminal block for TCC LINK central control is located at the lower right of the indoor unit For details see the installation manual of applicable central control remote control system When using the terminal block detach the front panel following the description on how to replace main components in thi...

Page 65: ...s on the side of multiple air conditioners Use 2 wire shield cable MVVS to protect from noise Joint shield wire between indoor units by closed end terminating and leave its end open with insulation processing Make one point grounding at the indoor unit side Set the terminating resistors Central control for custom indoor units only A Joint shield wire between indoor units by closed end terminating ...

Page 66: ... 3 A B U3 U4 U1 U3 U2 U4 1 2 3 1 2 3 A B U3 U4 1 2 3 1 2 3 A B 1 2 3 U1 U3 U2 U4 1 ON 2 OFF 3 OFF Central controller Up to 10 units Central controller Central controller Refrigerant system 1 Refrigerant system 2 Refrigerant system 3 Outdoor unit R C wiring Header Follower R C R C R C TCC LINK adapter option Required for custom indoor units other than wall type Indoor unit Group operation up to 8 i...

Page 67: ...ric parts Fan motor connector insertion position Louver motor connector insertion position Electric parts box screw 4 Detach the electric parts cover and set SW01 bit 1 to ON Do not touch bit 2 as it is for other setting 5 Install the removed parts by reversing steps 1 to 4 Insert the sensors and motor leads firmly into their correct positions B CN40 2 1 ON 2 1 ON CN67 CN22 C301 C302 DB301 L301 SW...

Page 68: ...hange refrigerant line 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 fu...

Page 69: ...al 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 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 After changing refrigerant line address manually For changing set...

Page 70: ...For changing setting refrigerant line addresses by wired remote controller refer to 11 ADDRESS SETTING Change refrigerant line address of all indoor units connected directly to the central controller to 30 These indoor units are under twin or triple control also change the refrigerant line address of follower indoor units to 30 Change indoor unit addresses so that they are not duplicated 1 1 0 1 1...

Page 71: ...ing UNIT No is displayed first and all indoor units in the group are selected At this time the fans of all the selected indoor units start running Fig 1 Maintain this state without pressing For individual remote controllers without group control a refrigerant line address and an indoor unit address are indicated 2 Specify code with buttons 3 Choose setting data with buttons Table 1 shows setting d...

Page 72: ...e to one Power ON outdoor unit Set address for each I U individually END One refrigerant system To auto address setting mode 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 Unless the following addresses are stored in the EEPROM IC10 on the indoor un...

Page 73: ...n a twin triple or double twin system Communicates with the main indoor unit with the same refrigerant line address and provides control in synchronization with the main indoor unit It does not communicate with O U no detection of serial signal alarm 1 System Configuration a Single b Twin c Single group operation d Multiple single twin triple group operation manual address setting Representative T...

Page 74: ... M 8 1 F M 8 indoor units maximum Turn ON the power Address setting is completed automatically 1 1 individual H M Address change required Change sub unit addresses at the same time manually from remote controller 2 1 F M 1 1 F M 2 1 F S 3 3 H S 3 1 F M 2 2 F S 1 2 F S 3 2 F S 2 1 1 1 1 2 1 3 3 1 3 2 3 3 3 4 1 1 1 2 1 2 H M 1 1 F S Turn ON the power Address setting is completed automatically H Head...

Page 75: ...addresses with buttons as follows Individual header unit follower unit 10 Press Indication on the LCD shows normal operation 11 Press Indoor unit address setting is completed The operation mode returns to normal OFF Group address Refrigerant line address Indoor unit address For systems like this example connect a wired remote controller independently without connecting R C wires and then set these...

Page 76: ...controller group control their unit numbers are displayed in order each time is pressed 2 To find the location of indoor unit from its address When checking indoor unit number in the 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 flap of the displayed un...

Page 77: ...DE CLAW 223 43T79007 GUIDE DRAIN 210 43T09345 LOUVER H 224 43T39016 FIX FOR MOTOR 211 43T70001 HOSE ASSY DRAIN 226 43T21368 MOTOR FAN 212 43T21367 MOTOR STEPPING 227 43T20315 FAN CROSS FLOW 213 43T44373 REFRIGERATION ASSEMBLY 228 43T22307 M B BEARING FOR RAV SM562KRT E 229 43T39015 BASE BEARING 213 43T44374 REFRIGERATION ASSEMBLY 230 43T03336 BACK BODY ASSY FOR RAV SM802KRT E 231 43T07022 HOLDER P...

Page 78: ...RMINAL 407 43T60361 FUSE 402 43160508 TERMINAL 408 43T09343 E PARTS BASE 403 43T60321 TERMINAL 409 43T69536 PC BOARD 404 43T50308 SENSOR HEAT EXCHANGER 410 43T69500 DISPLAY UNIT 405 43T50306 TEMPERATURE SENSOR 411 43T09344 CORD CLAMP 406 43T69320 TEMPERATURE SENSOR Description Description ...

Page 79: ...TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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