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Saijo Denki CVIA-100-CPF3, Service Manual

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Saijo Denki CVIA-100-CPF3 Service Manual Download Page 96

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Saijo denki International co.,ltd.

89

Is the supply voltage to 

the outdoor unit normal?

Check power voltage

Is there cloging in the 

refrigerant system ?

Correct refrigerant system

Is compressor working 

normal?

Check compressor

Check control board

Check code 

Check code name

cause

Error 42

Compressor1 Inverter Driver Over 
Current

The electric current of control board of 
compressor 1 is higher than the specified value.

Is there cloging on 

outdoor unit heat 

exchanger ?

Cleaning

Is outdoor unit fan 

motor normal ?

Check fan motor

Summary of Contents for CVIA-100-CPF3

Page 1: ...0 CPF3 CVIA 200 CPF3 CVIA 220 CPF3 CVIA 240 CPF3 CVIA 260 CPF3 CVIA 280 CPF3 CVIA 300 CPF3 CVIA 320 CPF3 CVIA 340 CPF3 CVIA 360 CPF3 CVIA 380 CPF3 CVIA 400 CPF3 CVIA 420 CPF3 CVIA 440 CPF3 CVIA 460 CP...

Page 2: ...5 2 Inverter P C board for compressor MOBLED360 41 3 5 3 Inverter P C board for fan MNFDC5A 42 4 Refrigerant Piping Systematic Drawing 43 5 ADDRESS SETTING 45 6 Manual address setting using the remot...

Page 3: ...Saijo denki International co ltd 2...

Page 4: ...damage concerned to property furniture and domestic animal pet Saijo denki International co ltd 3 WARNING CAUTION Shoes with additional protective toe cap Transportation of heavy objects Repair of ou...

Page 5: ...might get burned when removing this panel WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing The sentences or illustration near or in an illustrated mark d...

Page 6: ...e a Work in progress sign on the circuit breaker When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circu...

Page 7: ...window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may receive an electric shock When transporting the air conditioner wear shoes with add...

Page 8: ...rant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 Refrigerant F...

Page 9: ...panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side Refrigerant Compulsion Do not charge refrige...

Page 10: ...t as they get heated while running Be sure to put on gloves providing protection for electric shock and heat When the service panel of the outdoor unit is to be opened in order for the fan motor react...

Page 11: ...in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to pre...

Page 12: ...orklift into the rectangular holes for handling as shown below To lift up the unit insert a rope capable of bearing the weight of the unit into the rectangular holes shown below Tie the unit from 4 si...

Page 13: ...CVIA 100 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 Saijo denki International co ltd 12 857 230 624 376 857 230 624 376 857 230 624 376 857 230 Unit in mm Y mm Z mm 624 376 OUTDOOR MODEL X mm Weight kg COOLING...

Page 14: ...l co ltd 13 Additional refrigerant charge amount per 1m liquid pipe Table 1 After finishing vacuuming exchange the vacuum pump with a refrigerant canister and start additional If the additional refrig...

Page 15: ...42 44 5 0 7 5 8 5 9 5 11 5 12 5 34 36 38 28 30 32 Standard type Combined outdoor units HP Keeping the valve of the outdoor unit closed be sure to charge the liquid refrigerant into the service port a...

Page 16: ...itioner However clear impurities when using them The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been als...

Page 17: ...t charging balance Charging refrigerant R22 Existing article Exclusive to R410A Vacuum pump with counterflow Usable if a counter flow preventive adapter is attached Vacuum drying R22 Existing article...

Page 18: ...ior notice 9 52 3 Tube Material Pipe Connection Size Copper Fin Material Row Anti Corrosive Pre Coated Aluminium Blue Fin Coil E 44 190 2 1 83 2 26 80 FVC68D 2300 7 640 26 Maximum Vertical Pipe Length...

Page 19: ...A 100 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 CVIA 140 CPF3 CVIA 80 CPF3 CVIA 80 CPF3 CVIA 100 CPF3 CVIA 100 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 Notes 1 DB Dry Bulb Temp C 2 WB Wet B...

Page 20: ...CVIA 140 CPF3 CVIA 100 CPF3 CVIA 100 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 CVIA 140 CPF3 CVIA 100 CPF3 CVIA 100 CPF3 CVIA 100 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA...

Page 21: ...CVIA 120 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 CVIA 140 CPF3 CVIA 140 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 CVIA 140 CPF3 CVIA 80 CPF3 CVIA 100 CPF3 CVIA...

Page 22: ...nge without prior notice Saijo denki International co ltd 21 W x D x H W x D x H Unit Weight Airflow Rate Turbo Medium Indoor Unit Model Air Filter Type Quantity Plastic Pre Filter 2 Plastic Pre Filte...

Page 23: ...prior notice Saijo denki International co ltd 22 0 85 Power Source Sound Pressure Level 950 x 1 340 x 45 950 x 950 x 45 840 x 840 x 245 840 x 840 x 280 840 x 1 225 x 325 0 87 Indoor Unit Model Air Fil...

Page 24: ...Saijo denki International co ltd 23 0 12 Nominal Cooling Capacity Nominal Power Input Power Source W x D x H Low Sound Pressure Level 9 52 0 55 2 89 2 0 40 2 104 0 47 Sirocco Fan Direct Medium 20 1 8...

Page 25: ...enki International co ltd 24 Fin Material Anti Corrosive Pre Coated Aluminium Blue Fin Row 2 3 4 Pipe Connection Size Liquid 9 52 Gas 15 87 Coil Tube Material Copper Tube 9 52 Poles 8 6 Fan Type Turbo...

Page 26: ...25 220 240 1 50 Sirocco Fan EXV 42 21 1 110 x 720 x 295 1 600 x 720 x 245 6 35 9 52 Aluminium 2 R410A Unit Weight Remote Control 15 87 0 11 0 18 42 0 28 89 2 140 AC MOTOR Direct 1 180 x 790 x 360 1 6...

Page 27: ...International co ltd 26 Indoor Unit Model Medium Low Remote Control Power Source 220 240 1 50 Unit Weight Nominal Cooling Capacity Nominal Power Input 358 324 1 50 2 45 Air Filter Type Quantity Direc...

Page 28: ...m Notes 1 The specification are based on testing at Saijo Denki factory 2 The specification are subject to change without prior notice Saijo denki International co ltd 27 Power Source Sound Pressure L...

Page 29: ...Models CVIA 80 CPX3 CVIA 100 CPX3 CVIA 120 CPX3 CVIA 140 CPX3 Saijo denki International co ltd 28 2 1 Outdoor unit 2 Wiring Diagrams...

Page 30: ...Models SWV 09 A VTGP1 SWV 13 A VTGP1 SWV 20 A VTGP1 SWV 25 A VTGP1 SWV 30 A VTGP1 SWV 36 A VTGP1 Saijo denki International co ltd 29 Wiring Diagrams Indoor unit...

Page 31: ...Models SCV 13 A VTGP1 SCV 20 A VTGP1 SCV 25 A VTGP1 SCV 30 A VTGP1 SCV 36 A VTGP1 Saijo denki International co ltd 30 Wiring Diagrams 2 2 Indoor unit SCV 50 A VTGP1 SCV 60 A VTGP1...

Page 32: ...Models SUV 13 A VTGP1 SUV 20 A VTGP1 SUV 25 A VTGP1 Saijo denki International co ltd 31 Wiring Diagrams Indoor unit...

Page 33: ...Models SUV 30 A VTGP1 SUCV 36 A VTGP1 SUV 50 A VTGP1 SUV 60 A VTGP1 Saijo denki International co ltd 32 Wiring Diagrams Indoor unit...

Page 34: ...Models SFV 30 A VTGP1 SFV 36 A VTGP1 SFV 50 A VTGP1 SFV 60 A VTGP1 SFV 80 A VTGP1 SFV 120 A VTGP1 Saijo denki International co ltd 33 Wiring Diagrams Indoor unit...

Page 35: ...Models SDV 13L A VTGP1 SDV 20L A VTGP1 SDV 25L A VTGP1 SDV 30L A VTGP1 SDV 36L A VTGP1 Saijo denki International co ltd 34 Wiring Diagrams Indoor unit SDV 50L A VTGP1 SDV 60L A VTGP1...

Page 36: ...ki International co ltd Cooling T4 IN 26 6 C DB 19 4 C WB OUT 48 C DB 26 9 C WB Cooling T1 IN 27 C DB 19 C WB OUT 35 C DB 24 C WB Cooling T3 IN 29 C DB 19 C WB OUT 46 C DB 24 C WB Coil Tube Material C...

Page 37: ...Models SDV 13M A VTGP1 SDV 60M A VTGP1 Saijo denki International co ltd 35 Wiring Diagrams Indoor unit...

Page 38: ...mm Notes 1 The specification are based on testing at Saijo Denki factory 2 The specification are subject to change without prior notice Saijo denki International co ltd 4 Coil Tube Material Copper Tub...

Page 39: ...Models SDV 13H A VTGP1 SDV 20H A VTGP1 SDV 25H A VTGP1 SDV 30H A VTGP1 SDV 50H A VTGP1 SDV 80H A VTGP1 SDV 60H A VTGP1 SDV 120H A VTGP1 Saijo denki International co ltd 36 Wiring Diagrams Indoor unit...

Page 40: ...CVIA 100 CPF3 CVIA 120 CPF3 CVIA 140 CPF3 1 Power Supply terminal block TS1 TB 2506L 600 VAC 25A 50 Hz 6 P O O O O 2 Communication terminal block TS3 TB 2503L 600 VAC 25A 50 Hz 3 P O O O O 3 Reactor L...

Page 41: ......

Page 42: ...3 3 Parts layout in outdoor unit Models CVIA 80 CPX3 CVIA 140 CPX3 Reciving tank Liqid tank ACCUMULATOR Saijo denki International co ltd 38 Compress...

Page 43: ...ayout in inverter assembly Models CVIA 80 CPX3 CVIA 140 CPX3 P C Board Control DC Fan Saijo denki International co ltd 39 Inverter P C Board For Compressor Power Supply Terminal 6P Inverter P C Board...

Page 44: ...P C board 3 5 1 P C board MNCM1B J1 J9 RS485 P12 High pressure P9 Low P16 pressure Sensor Ambient P2 Sensor Suction P5 Saijo denki International co ltd 40 Seneor Discharge P6 Sensor Condenser P3 Power...

Page 45: ...Terminal N Reactor Connecting Terminal P Power Supply J206 Fan J208 Power Supply R L1 L3 Power Supply S L2 Connector Address set P4 RS 485 Communication Saijo denki International co ltd 41 Power Supp...

Page 46: ......

Page 47: ......

Page 48: ...3 5 3 Inverter P C board for fan MNFDC5A Display P7 Connector DC Fan J9 Saijo denki International co ltd 42 Power Supply J2...

Page 49: ...Z Service valve Check joint Temperature Saijo denki International co ltd 41 Symbol...

Page 50: ...Models CVIA 80 CPX3 CVIA 100 CPX3 CVIA 120 CPX3 CVIA 140 CPX3 SINGLE COMPRESSOR Z Service valve Check joint Temperature Saijo denki International co ltd 43 Refrigerant Piping Systematic Drawing Symbol...

Page 51: ...rmistor Discharge Compressor 1 Thermistor Discharge Compressor 2 Oil seperator Heat exchanger Fan motor Check valve Liquid Receiver tank Thermistor Ambient 11 12 13 14 15 Compressor 1 Compressor 2 Low...

Page 52: ...h an indoor unit one to one when the system is organized for group operation and no Remote controller On this unit it is required to set the addresses of the indoor units before starting air condition...

Page 53: ...tomatic set mode On screen will be shown Auto Status screen 3 Press the RESET button to start ID automatic setup Running led light show on screen 10 minutes approximate Running LED on screen Saijo den...

Page 54: ...s not complete that is because it cannot with any indoor unit On screen will be show FAIL 5 The ID of the indoor unit can be checked by pressing ID button for level up or ON OFF button for level down...

Page 55: ...T button and hold 10 seconds until the screen shows the ID number 2 Press UP DOWN to set up the ID number Show A Saijo denki International co ltd 48 When the remote controller is in home page status S...

Page 56: ...e with PIP sound 2 On screen shows the present ID number 3 Press ON Off to change the ID number with in the range 0 63 ID number in the range 0 63 6 2 Confirm the indoor unit addresses Saijo denki Int...

Page 57: ...ystem to use the wired remote controller and hot system to use board controller of master unit Operate the system by using the wired remote controller 1 Turning on the power 2 Press Mode button to ope...

Page 58: ...unit 1 Press Status button unit the LED Control light up which indicated in control mode 2 Press IND OUTD button unit LED Control light up which Indicated in indoor unit control Saijo denki Internatio...

Page 59: ...tton 4 Press ON OFF to open Indoor unit Right screen shown status of Indoor unit Saijo denki International co ltd 52 00 Power off 01 Power on ON OFF Button Right screen shown ID of Indoor unit Left sc...

Page 60: ...01402 6SP431G 00015 R 6SP431G 00016 L Check speed of fan motor Fan motor Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 53 6SP505AMWB296DS01 6SP505AMWB296D...

Page 61: ...0000702 6SP431J 0000702 6SP431J 0000702 6SP431J 0000702 6SP431J 0000702 6SP431J 0000702 Check speed of fan motor Fan motor Check the quantity of working fluid in the system 08 09 10 Saijo denki Intern...

Page 62: ...Cross flow fan L Check speed of fan motor Fan motor 6SP511A 0002307 Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 55 ERROR CODE 6SP511A 0008103 6SP511A 0...

Page 63: ...oil ass y Cross flow fan Cross flow fan Check speed of fan motor Fan motor Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 56 ERROR CODE Indoor unit Inlet T...

Page 64: ...n R 6SP431D 00002 Cross flow fan L Check speed of fan motor Fan motor 6SP511A 0002307 Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 57 ERROR CODE Control...

Page 65: ...fan R 6SP431D 00040 Cross flow fan L 6SP431D 00041 Check speed of fan motor Fan motor 6SP511A 0002307 Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 58 ERR...

Page 66: ...P431D 00041 Check speed of fan motor Fan motor 6SP511A 0002307 6SP511A 0005003 6SP511A 0005601 Check the quantity of working fluid in the system 08 09 10 Saijo denki International co ltd 59 ERROR CODE...

Page 67: ...oard 2 6SP505AMWB313SS01 21 22 23 29 Check the quantity of working fiuld in the system Check blockage of refrigerant piping Check the cooling of the heat sink Check operation of compressor 1 Compresso...

Page 68: ...nk Check blockage of refrigerant piping Check control board of compressor 1 Control board 1 6SP505AMWB313SS01 Check operation of compressor 1 Compressor 1 ANB78FVAMT 6SP200S 3510002 Check the quantity...

Page 69: ...of control board at compressor by Compressor 1 is set as 1 Compressor 2 is set as 2 Check operating control board of compressor Control board 6SP505AMWB313SS01 Check operation of slave board Slave bo...

Page 70: ...the float YES Chang the control board Saijo denki International co ltd 63 Is dain pump work normal Is float switch struck or work normal cause Error 02 Indoor unit Flood Protection There is an error i...

Page 71: ...denki International co ltd 64 Is sensor connect on control board position P1 Correct connector connection Is the wire of sensor normal Is sensor resistance normal Check code Check code name cause Erro...

Page 72: ...ernational co ltd 65 Is sensor connect on control board position P2 Correct connector connection Is the wire of sensor normal Is sensor resistance normal Check code Check code name cause Error 04 Indo...

Page 73: ...rnational co ltd 66 Is sensor connect on control board position P3 Correct connector connection Is the wire of sensor normal Is sensor resistance normal Check code Check code name cause Error 05 Indoo...

Page 74: ...board Saijo denki International co ltd 67 Check code Check code name cause Error 06 Indoor unit Motor fail There is an error in the cooling motor of the Indoor unit Is motor connect to control board...

Page 75: ...the system Saijo denki International co ltd 68 Check code Check code name cause Check speed of fan motor Check the quantity of working fluid in the system Error 07 Indoor Antifreeze protection There i...

Page 76: ...k the master board Check code Check code name cause Error 11 Communication loss with Slave PCB There is not communicate with Slave PCB Is connector and wiring between master board and slave board corr...

Page 77: ...or unit correct Correct connector connection and check wiring board Is indoor unit power on On power Is all indoor control board normal Change indoor control board Check master control board Check cod...

Page 78: ...unit Ambient Temperature sensor fail There is an error in the temper sensor at air inlet of outdoor unit Is sensor connect on control board Correct connector connection Is the wire of the sensor norma...

Page 79: ...Is sensor resistance normal Change the sensor Check the control board Check code Check code name cause Error 14 Outdoor unit Inlet Coil Temperature sensor fail There is an error in the refrigerant tem...

Page 80: ...connection Is the wire of the sensor normal Change the sensor Is sensor resistance normal Change the sensor Check the control board Check code Check code name cause Error 15 Outdoor unit Outlet Coil...

Page 81: ...Coil Temperature sensor fail There is an error in the refrigerant temperatre sensor at a middle of heat sink coil Is sensor connect on control board Correct connector connection Is the wire of the sen...

Page 82: ...Is sensor resistance normal Change the sensor Check the control board Check code Check code name cause Error 17 Compressor 1 Discharge pipe temperature sensor fail Threr is an error in the refrigeran...

Page 83: ...or connection Is the wire of the sensor normal Change the sensor Is sensor resistance normal Change the sensor Check the control board Check code Check code name cause Error 18 Compressor 2 Discharge...

Page 84: ...dldctric current sensor of compressor 1 Is the wiring between compressor 1 and control board of comoressor normal Correct connection wiring compressor and control board Is the coil resistance of the c...

Page 85: ...compressor 2 control board normal check control board Chang the control board Check code Check code name cause Error 20 Compressor 2 Current sensor fail There is an error in the dldctric current sens...

Page 86: ...ant piping Correct refrigerant piping Is there cloging on outdoor unit heat exchanger Cleaning Is outdoor unit fan motor normal Check the fan motor Is resistance of the sensor at discharge pipe compre...

Page 87: ...xchanger Cleaning Is outdoor unit fan motor normal Check the fan motor Is resistance of the sensor at discharge pipe compressor 2 normal Chang the sensor Check the control board Check code Check code...

Page 88: ...ensor at heatzink normal Replace the sensor Check the control board Check code Check code name cause Error 32 Compressor1 Inverter Driver over temperature The control board of compressor 1 temperature...

Page 89: ...river over temperature The control board of compressor 2 temperature is overheated Is heatzink cooling fan at control board of compressor 2 normal Replace the cooling fan Is the attach between control...

Page 90: ...n motor normal Check fan motor Is there high refrigerant Correct refrigerant amount Is resistance of temperature sensor at outdoor unit heat exchanger normal Chang the sensor Check the control board C...

Page 91: ...frigerant Correct refrigerant amount Is High pressure switch work normal Check High pressure switch Check the control board Check code Check code name cause Error 35 Outdoor unit High pressure switch...

Page 92: ...ow pressure switch trip The pressure of refrigerant in the system is lower than the limit Does refrigerant shortage or clogging Fix refrigerant problem Are all indoor unit EXV work normal Check indoor...

Page 93: ...use Error 39 Compressor Under voltage The voltage of compressor is lower than the limit Is the supply voltage to the heat control board normal Check power voltage to control board Check code Check cod...

Page 94: ...nit fan motor normal Check fan motor Is the supply voltage to the outdoor unit normal Check power voltage Is there cloging in the refrigerant system Correct refrigerant system Is compressor working no...

Page 95: ...t normal Check power voltage Is there cloging in the refrigerant system Correct refrigerant system Is compressor working normal Check compressor Check control board Check code Check code name cause Er...

Page 96: ...system Correct refrigerant system Is compressor working normal Check compressor Check control board Check code Check code name cause Error 42 Compressor1 Inverter Driver Over Current The electric curr...

Page 97: ...ompressor Check control board Error 43 Compressor 2 Inverter Driver Over Current The electric current of control board of compressor 2 is higher than the specified value Is there cloging on outdoor un...

Page 98: ...unit fan motor normal Check fan motor Is the supply voltage to the outdoor unit normal Check power voltage Is there cloging in the refrigerant system Correct refrigerant system Is compressor working n...

Page 99: ...t normal Check power voltage Is there cloging in the refrigerant system Correct refrigerant system Is compressor working normal Check compressor Check control board Check code Check code name cause Er...

Page 100: ...ror 46 Compressor1 Inverter Driver DC Bus Voltage Error There is an error in DC voltage of control board of compressor 1 Is power supply voltage to outdoor unit normal Check power supply Is the capaci...

Page 101: ...wer supply Is the capacitance of the capacitor in the control box of compressor normal Check capacitor for control compressor Check control board Check code Check code name cause Error 47 Compressor 2...

Page 102: ...cation Loss There is not communicate with the control board of the compressor Is wiring connection between slave board and control board of compressor normal Correct connection wiring Is jumper ID set...

Page 103: ...wer voltage to control board Is wiring connection from control board to compressor correct Correct wiring connection Is control board working normal Check control board Check compressor Check code Che...

Page 104: ...o compressor correct Correct wiring connection Is control board working normal Check control board Check compressor Check code Check code name cause Error 50 Compressor 2 Inverter Driver Starting Fail...

Page 105: ...e air conditioner system Process 1 Connect the cable of the RS 485 converter to the P5 position master board 2 Connect the cable of the RS 485 converter to the computer 3 Open the monitor program Saij...

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