Daikin Outdoor Heat Pump RXS25J2V1B

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

Removed the 2 nuts of the compressor?

Warning: Be careful not to get yourself burnt with 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.

Restored the piping by nonoxidation brazing?

Kept the four way valve below 120°C by wrapping it with wet cloth and providing water so that the cloth does not dry?

Disconnected the brazed part where is easy to disconnect and restore?

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

Remove the outer panels according to the “Removal of Outer Panels / Fan Motor”.

Remove the electrical box according to the “Removal of Electrical Box”.

1 Remove the screw and remove the reactor.

2 The partition plate has 2 hooks on the lower side. Lift and pull the partition plate to remove.

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

Remove the sound blanket (top). Since the piping ports are torn easily, remove the sound blankets carefully.

Untie the string and open the sound blanket (outer).

Lift and remove the sound blanket (outer).

Pull out the sound blanket (inner).

Pull out the sound blanket (bottom).

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

Preparation: Remove the outer panels and disconnect the connector for the fan motor according to the “Removal of Outer Panels / Fan Motor”.

Disconnect the connector for the four way valve coil [S80]

Disconnect the connector for the electronic expansion valve coil [S20]

Disconnect the 2 connectors for the reactor

When reassembling, you can connect the 2 harnesses in either way regardless of the color.

Disconnect the relay connector for the compressor

Disconnect the connector for the overload protector [S40]

When reassembling, connect the connectors in the following order: (1) [S40] (2) relay connector for compressor (3) reactor (4) [S20] (5) [S80] (6) [S70]

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

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

The stop valve cover is united with the shield plate.

When reassembling, make sure to fit the 5 hooks.

1 Remove the screw of the stop valve cover. Pull the stop valve cover downward and remove it.

2 Remove the 3 screws and lift the top panel.

Some models have only 2 screws.