Technibel DKR5555C Technical Data & Service Manual Download Page 45

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Terminal Plate (8P)

(To Indoor Unit A and B)

Terminal Plate (5P)

(To either Indoor Unit C

or Dual System Kit)

Terminal Plate (3P)

(To Power supply)

Compressor Motor Capacitor (C3)

Compressor Motor Capacitor (C4)

Timer (T)

Fan Motor Capacitor (C1)

Fan Motor Capacitor (C2)

Power relay (PR1)

Power relay (PR2)

Relay (R4)

Relay (R3)

Relay (R2)

Relay (R1)

Electric Parts

Terminal Plate

Outdoor Unit GRV340M3C5

Heat exchenger coil

Parts Layout in Unit

Fan motor

Compressor 2 (CM2)

To Indoor Unit A and B

Compressor 1 (CM1)

To Indoor Unit C
or Dual System Kit.

Summary of Contents for DKR5555C

Page 1: ...08180132 1 01 2003 TECHNICAL DATA SERVICE MANUAL Outdoor Unit Dual System Kit MULTI SPLIT SYSTEM AIR CONDITIONER OUTDOOR UNIT DUAL SYSTEM KIT GRV340M3C5 DKR8585C GRV227M3C5 DKR5555C...

Page 2: ...ARNING When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu...

Page 3: ...ctor attachment for servicing 33 8 2 Refrigerant recovery 34 8 3 Service on outdoor unit 34 8 4 Evacuation using vacuum pump 34 8 5 Refrigerant charging 35 8 6 Reattaching green connectors for operati...

Page 4: ...tubing length at shipment m A B 15 C 7 5 Refrigerant tube Narrow tube mm in A B C 6 35 1 4 diameter Wide tube mm in A B C 9 52 3 8 Refrigerant tube kit Optional Dual system kit Non GRV227M3C5 Unit dim...

Page 5: ...n sound dB A 54 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m A B 15 C1 C2 15 Refrigerant tube Narrow tube mm in A B C1 C2 6 35 1 4 diameter Wide tube mm in A B C...

Page 6: ...00 Refrigerant control Capillary tube Operation sound dB A 54 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m A B 15 C 7 5 Refrigerant tube Narrow tube mm in A B C...

Page 7: ...ion sound dB A 54 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m A B 15 C1 C2 15 Refrigerant tube Narrow tube mm in A B C1 C2 6 35 1 4 diameter Wide tube mm in A B...

Page 8: ...temp Open C 145 5 115 5 devices Close C 69 11 95 10 Operating amp Ambient temp 25 C Trip in 6 to 16 sec at 16 5A Run capacitor Q ty F 22 5 2 VAC 450 2 Type Propeller Q ty Dia mm 1 400 Fan motor model...

Page 9: ...Ambient temp 25 C Trip in 6 to 16 sec at 35A Trip in 6 to 16 sec at 40A Run capacitor Q ty F 40 35 VAC 450 450 Type Propeller Q ty Dia mm 2 460 Fan motor model Q ty KFC6T 91C5P 1 upper KFC6T 9K5P 1 l...

Page 10: ...F Valve Rating AC 240V 50 60Hz 7 6W 45 35mA Coil resistance k at 20 C 1 15 7 SAP CMR3448E only GRV227M3C5 R1 2 GRV340M3C5 R1 2 and R3 4 GRV227M3C5 SVA B GRV340M3C5 SVA B C D PCB Timer FROM 01 01 2003...

Page 11: ...r intake Air discharge 538 146 93 40 40 40 40 40 4 12 Holes Wide tube service valve 9 52 3 8 Narrow tube service valve 6 35 1 4 Wide tube service valve 9 52 3 8 Narrow tube service valve 6 35 1 4 Wide...

Page 12: ...58 250 250 940 340 100 83 450 400 380 1235 660 170 110 130 A B C Wide tube service valve 9 52 3 8 Narrow tube service valve 6 35 1 4 Wide tube service valve 9 52 3 8 Narrow tube service valve 6 35 1 4...

Page 13: ...it C1 9 52 3 8 Narrow tube service valve Unit C1 6 35 1 4 Wide tube service valve Unit C2 9 52 3 8 Narrow tube service valve Unit C2 6 35 1 4 Charge port UNTIL 31 12 2002 6 35 1 4 Wide tube service va...

Page 14: ...C1 9 52 3 8 Narrow tube service valve Unit C1 6 35 1 4 Wide tube service valve Unit C2 9 52 3 8 Narrow tube service valve Unit C2 6 35 1 4 Charge port UNTIL 31 12 2002 6 35 1 4 Wide tube service valve...

Page 15: ...Combination Wide tube service valve Narrow tube service valve Capillary tube Outdoor Unit Wide tube O D 9 52mm 3 8 Condenser Compressor 2 Accumulator B Evaporator Indoor Unit A Strainer A A B Evaporat...

Page 16: ...vice valve Capillary tube Outdoor Unit Wide tube O D 9 52mm 3 8 Condenser Compressor 2 Accumulator B Evaporator Indoor Unit A Strainer A A B Evaporator Indoor Unit B SVA SVB Narrow tube O D 6 35mm 1 4...

Page 17: ...or 2 Accumulator B Evaporator Indoor Unit A Strainer A A B Evaporator Indoor Unit B SVA SVB Narrow tube O D 6 35mm 1 4 Compressor 1 Accumulator Strainer C C S S Wide tube O D 9 52mm 3 8 SVC1 SVC2 S S...

Page 18: ...Unit A Strainer A A B Evaporator Indoor Unit B SVA SVB Narrow tube O D 6 35mm 1 4 Compressor 1 Accumulator Strainer C C S S SVC S SVD S Capillary for liguid injection Capillary for liguid injection Wi...

Page 19: ...ions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B Number of indoor unit 3 Units 4 Units A B C A B C1 C2 Rating Conditions Running amp A 9 2 9 6 Power input kW 2 00 2 10 Fu...

Page 20: ...GRV227M3C5 UNTIL31 12 2003 GRV340M3C5 FROM31 12 2003 5 2 ELECTRICWIRINGDIAGRAM SYSTEMWIRINGDIAGRAM 20...

Page 21: ...GRV340M3C5 ELECTRICWIRINGDIAGRAM 21...

Page 22: ...22 Outdoor Unit DKR5555C UNTIL 31 12 2002 Outdoor Unit DKR5555C FROM 01 01 2003...

Page 23: ...23 Outdoor Unit DKR8585C UNTIL 31 12 2003 Outdoor Unit DKR8585C FROM 01 01 2003...

Page 24: ...24 SYSTEM WIRING DIAGRAM TP 8P 1 2 4 C B A B 1 2 4 1 2 4 TP 7P L N A 1 2 4 3 3 3 1 2 4 N L 3 1 2 4 N L 3 1 2 4 N L 3 INDOOR UNIT POWER SUPPLY 220 240 V 50 Hz OUTDOOR UNIT GRV227M3C5 WITH 3 INDOOR UNIT...

Page 25: ...B 1 2 4 C2 1 2 3 3 3 4 B 1 2 4 5 1 2 4 1 2 4 TP 7P L N A 1 2 4 N L 3 1 2 4 N L 3 1 2 4 N L 3 1 2 4 N L 3 3 3 3 POWER SUPPLY 220 240 V 50 Hz DUAL KIT INDOOR UNIT OUTDOOR UNIT B SYSTEM WIRING DIAGRAM GR...

Page 26: ...GRV340M3C5 WITH 3 INDOOR UNIT 1 2 4 1 2 B A 1 2 4 5 6 8 1 2 4 Unit A Earth ground Disconnect swith Field supply Indoor unit Outdoor unit Power supply 220 240 V 50Hz 3 3 3 L N Terminal 3P Terminal 8P T...

Page 27: ...it will not start running again for at least 3 minutes even there has been an ON signal from one of the indoor units In order to save compressor power solenoid valve C SVC which is used as a bypass va...

Page 28: ...tly connected to the indoor units from the outdoor unit 7 1 3 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 7 1 4 Check lead wires and...

Page 29: ...ts in outdoor unit NO NO Set circuit breaker to OFF Measure insulation resistance of electrical parts in indoor unit 1 Remove both power supply wires and inter unit wires from terminal plate in outdoo...

Page 30: ...very or contact power company Circuit breaker is tripped Measure coil resistance of power relay PR1 PR2 NO Reattach GRN GRN connectors Are green green connectors attached together in outdoor unit Fan...

Page 31: ...rant gas shortage REP CE refrigerant gas Temperature of compressor is abnormally high Rotor may be locked up OLR 1 to 4 C2 C3 or C3 C4 Operate either indoor unit A or B Check to see if the lamp PW is...

Page 32: ...rant gas Temperature difference between suction and discharge air is large enough approx 10 deg or more Check for clogging of air filter Measure temperature of suction and discharge air of air conditi...

Page 33: ...d 9 3 8 1 3 Turn the disconnect switch ON to supply power single phase 220 240 V to the outdoor unit This makes it possible to force open two solenoid valves SVA and SVB in the refrigeration circuit F...

Page 34: ...ow and wide tube service valves as indicated in table below Refer to Service Valve Construction shown later 8 4 2 Connect the vacuum pump and a manifold valve as shown in either Fig 9 2 or Fig 9 3 dep...

Page 35: ...8 After removing the vacuum hoses from the service valves replace the flare nuts and bonnets on the valves The refrigerant circuit is now ready for charging 8 5 Refrigerant charging 8 5 1 After evacu...

Page 36: ...nt of refrigerant at once may damage the compressor Always charge the unit at a constant charging rate of about 100 g 8 6 Reattaching green connectors for operation 8 6 1 Turn off the power source 8 6...

Page 37: ...osition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state T...

Page 38: ...tallation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 38 Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Ch...

Page 39: ...quickly 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R407C Also do not use oxygen or any flammable gas 4 Evacuation Use a solenoid valve inst...

Page 40: ...f the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the re...

Page 41: ...ubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never us...

Page 42: ...ing the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76K...

Page 43: ...ns given in 10 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 9 8 Retro fitting existing systems 9 8 1 Use of existing units Never use...

Page 44: ...Relay R2 Relay R1 Power relay PR2 Power relay PR1 Terminal Plate 3P To Power supply Terminal Plate 12P To Indoor Unit A B and either Indoor Unit C or Dual System Kit Electric Parts UNTIL 31 12 2002 C...

Page 45: ...Compressor Motor Capacitor C4 Timer T Fan Motor Capacitor C1 Fan Motor Capacitor C2 Power relay PR1 Power relay PR2 Relay R4 Relay R3 Relay R2 Relay R1 35 F 40 F 5 F 5 F Electric Parts Terminal Plate...

Page 46: ...Electric Parts Terminal Plate 1 5P To Outdoor Unit Terminal Plate 2 4P To Indoor Unit C1 Terminal Plate 3 4P To Indoor Unit C2 Solenoid coil SVC 1 Solenoid coil SVC 2 PCB Ass y Dual System Kit DKR5555...

Page 47: ...where power supply lines are connected on the terminal plate Fig 12 2 11 1 3 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from term...

Page 48: ...the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time diffe...

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