Daikin Outdoor Heat Pump RZQ100KV4A

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

Front panel (2) and the front piping cover bracket removed

Be sure to remove the compressor only after the refrigerant is completely recovered.

1 out of the nuts that fix the compressor is located outside of the partition panel.

Be sure to cut 3 pipes by using a pipe cutter before disconnecting the brazed sections of pipes. A sudden disconnection of the brazed sections can cause oil to catch fire.

5 screws that fix the stop valve mounting plate unscrewed and mounting plate removed

Gas piping and the liquid piping removed

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

According to the procedure for the removal related to the outside panel, remove the front panel (2) and the side panel.

According to the procedure to remove switch box, remove the switch box.

Refrigerant completely recovered before removing the four way valve?

Unscrew the 1 screw that fixes the four way valve coil, and then remove this coil.

Remove brazing from the 4 places, and then remove the four way valve.

To prevent the four way valve from exceeding a temperature of 120°C, conduct brazing work while cooling the valve with wet cloths or else.

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

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

Remove the top panel and the front panel (2) accordance with the Procedure to remove Outside Panels.

1 Disconnect the connector (X205A) from the PCB.

2 While pressing the 2 hooks, remove the PCB (A2P).

Remove the switch box accordance with the Procedure to remove the Switch Box.

1 Remove the clamp from the compressor harness.

2 Press the hooks to remove the terminal block.

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

Remove the top panel and the front panel (2) accordance with the Procedure to remove Outside Panels.

Before removing the solenoid valve or the electronic expansion valve, be sure to recover the refrigerant.

Precaution for mounting the coil for the electronic expansion valve

Align the dimple of the electronic expansion valve and the stopper of the electronic expansion valve coil, and then press them in until you hear them click.

1 Disconnect the pressure sensor connector (X17A).

2 Use 2 spanners to remove the pressure sensor.