Daikin Outdoor Unit Air Conditioner RZQ100D7V1

Warning: Be sure to commence the disassembling work after 10 minutes or more elapsed from all power supplies have been turned off.

Remove the top panel and the front panel (2) accordance with the Removal Procedure for Outside Panels.

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

Precaution for mounting the coil for the electronic expantion valve

Align the dimple of the electronic expantion valve and the stopper of the coil for the electronic expantion valve, and then push them in until you hear them click.

1 Disconnect the pressure sensor connector (X17A).

2 Use two spanners to remove the pressure sensor.

Warning: Be sure to commence the disassembling work after 10 minutes or more elapsed from all power supplies have been turned off.

Remove the top panel and the front panel (2) accordance with the Removal Procedure for Outside Panels.

1 Disconnect the connector (X205A) from the PC board.

2 While pressing the two hooks, remove the PC board (A2P).

 Remove the switch box accordance with the Removal procedure for the switch box.

1 Remove the clamp from the compressor harness.

2 Press the hooks to remove the terminal block.

Warning: Be sure to commence the disassembling work after 10 minutes or more elapsed from all power supplies have been turned off.

Remove the front panel (2) and the front piping cover bracket

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

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

Be sure to cut thee 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.

Unscrew the five screws that fix the stop valve mounting plate, and then remove this mounting plate.

Remove the gas piping and the liquid piping.

Warning: Be sure to commence the disassembling work after 10 minutes or more elapsed from all power supplies have been turned off.

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 for the removal of switch box, remove the switch box.

Four way valve removed only after the refrigerant is completely recovered.

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

2 Remove brazing from the four places, and then remove the four way valve. (Refer to point column.)

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 commence the disassembling work after 10 minutes or more elapsed from all power supplies have been turned off.

Remove the top panel and the front panel (2) and side panel accordance with the Procedure for Outside Panels.

Pull out the outdoor air temperature thermistor to the front, and then slide this thermistor to the right to remove it.

Pinch the mounting spring that fixes the discharge pipe thermistor to pull out this thermistor.

Press the fixing section of the suction pipe thermistor to pull out this thermistor.

Pull the fixing bracket of the heat exchanger’s distribution pipe thermistor to the front, and then remove this thermistor.

Press the fixing section of the heat exchanger’s intermediate temperature thermistor to pull out this thermistor.

*1 The heat exchanger’s distribution pipe thermistor, heat exchanger’s intermediate temperature thermistor, and liquid pipe thermistor are jointed together with a single connector. Consequently, these three thermistors should be replaced at the same time.

Press the fixing section of the liquid pipe thermistor to pull out this thermistor.