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Trial Operation and Testing

1.

Trial operation and testing

1-1 Measure the supply voltage and make sure that it falls in the specified range.

1-2 Carry out the test operation in accordance with the operation manual to ensure that all functions and parts, 

such as louver movement, are working properly.

• If the circuit breaker trips to shut off the power to the domestic hot water heat pump, the system will restore the original 

operation mode when the circuit breaker is opened again.

2.

Test items 

Test items

Symptom

Check

Domestic hot water tank and outdoor unit are installed properly on solid 
bases.

Fall, vibration, noise

No refrigerant gas leaks.

Incomplete cooling/heating 
function

Refrigerant gas and liquid pipes are thermally insulated.

Water leakage

Draining line is properly installed.

Water leakage

System is properly earthed.

Electrical leakage

The specified wires are used for inter-unit wiring.

Inoperative or burn damage

The outdoor unit’s air inlet or air outlet has clear path of air.
Stop valves are opened.

Incomplete cooling/heating 
function

The domestic hot water tank properly receives remote control commands.

Inoperative

Summary of Contents for ERWQ02AAV3

Page 1: ...INSTALLATION MANUAL R410A Split Series Models ERWQ02AAV3...

Page 2: ...pulations des 04 overeenkomstig de bepalingen van 05 siguiendo las disposiciones de 06 secondo le prescrizioni per 07 08 de acordo com o previsto em 09 10 under iagttagelse af bestemmelserne i 11 enli...

Page 3: ...nnections or wires Improper connections or securing of wires may result in abnormal heat build up or fire When wiring the power supply and connecting the wiring between the domestic hot water tank and...

Page 4: ...unctions smoke or fire Please instruct the customer to keep the area around the unit clean The temperature of refrigerant circuit will be high please keep the inter unit wire away from copper pipes th...

Page 5: ...heard even if they are more than 3m away depending on radio wave conditions 8 In coastal areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the domestic hot w...

Page 6: ...there is a danger of the unit falling use foot bolts or wires 250mm from wall unit mm How to remove the stop valve cover Remove the screw on the stop valve cover Slide the cover downward to remove it...

Page 7: ...e foundation surface Outdoor Unit Installation 1 Installing outdoor unit 1 When installing the outdoor unit refer to Precautions for Selecting the Location and the Outdoor Unit Installation Drawings 2...

Page 8: ...rque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them full...

Page 9: ...charging hose which comes from gauge manifold to gas stop valve s service port 2 Fully open gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi High pressure valve...

Page 10: ...is temperature 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below 3 Use separate thermal insulation for gas and liquid refrigerant pipes Gas side Liquid...

Page 11: ...operation Using the outdoor unit pump down operation switch Push on SW1 with a screwdriver The operation will start Pump down operation will stop automatically after around 15 minutes To stop the ope...

Page 12: ...al block Observe the notes mentioned below when wiring to the power supply terminal block Precautions to be taken for power supply wiring CAUTION When connecting the connection wires to the terminal b...

Page 13: ...OUTDOOR Outdoor CONDENSER Condenser DISCHARGE Discharge C7 C8 Capacitor DB1 DB3 Diode bridge FU1 FU2 FU3 Fuse FU4 Field fuse IPM Intelligent power module L Live L803 L804 Reactor M1C Compressor motor...

Page 14: ...er is opened again 2 Test items Test items Symptom Check Domestic hot water tank and outdoor unit are installed properly on solid bases Fall vibration noise No refrigerant gas leaks Incomplete cooling...

Page 15: ......

Page 16: ...Copyright 2015 Daikin 4P410035 1 2015 05...

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