Daikin Outdoor Heat Pump RXS50E2V1B

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Preparation: Remove the top panel and the front panel according to the “Removal of Outer Panels”. This procedure is not necessary to remove the outdoor fan only.

Remove the screw of the shield plate.

Unfasten the 2 hooks and remove the shield plate.

Unfasten the 4 hooks of the electrical box cover and remove it.

Disconnect the connector for the fan motor [S70].

Release the fan motor lead wire from the 7 hooks.

Remove the washer fitted nut of the outdoor fan. Note: The screw has reverse winding. Nut size: M6. When reassembling, align mark of the outdoor fan with D-cut section of the motor shaft.

Remove the lower 2 screws from the fan motor first. Note: Be sure to remove the lower screws first. If the upper screws are removed first, the fan motor, the center of gravity of which is toward the front, may tilt down or fall, getting you injured.

Warning: Ensure that the voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V before proceeding.

Voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V?

Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the connector, press the protrusion on the connector.

Compressor harness connector successfully disconnected?

Measure resistance between the terminals of the DB1 and the terminals of the compressor with a multi-tester.

Enter the resistance measurement

Is the resistance measurement within the acceptable range?

Sign off on the power module check

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1 Remove the 4 screws and lift the top panel.

Take care not to cut your finger by the fins of the outdoor heat exchanger.

2 Remove the 4 screws and remove the discharge grille.

Slide the discharge grille upwards and remove it.

The discharge grille has 4 hooks.

3 Remove the 6 screws of the front panel.

4 Push the front panel and lift the shield plate to unfasten the hooks.

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Disconnect the lead wires of the compressor.

Release the clamp with pliers to detach the compressor lead wires.

Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.

Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)

Warning: Since it may happen that the refrigerant oil in the compressor catches fire, prepare wet cloth so as to extinguish fire immediately.

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Remove the sound blanket (back)

Remove the sound blanket (outer)

Warning: Since the piping ports are torn easily, remove the sound blanket carefully.

Remove the sound blanket (top upper)

Remove the sound blanket (top lower)

Remove the sound blanket (inner)

Release the discharge pipe thermistor

Warning: Be careful not to lose the clip for the thermistor.