Daikin Outdoor Unit Air Conditioner RZQ140D7V1B

Voltage at the primary side of the safety breaker

Liquid and gas stop valve fully open

Is the temperature setting of the remote controller at the lowest level in cooling mode or in test mode?

Is the air from indoor unit cool?

Is the air from outdoor unit warm?

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 after the refrigerant is completely recovered?

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

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.

Sign off on the four way valve removal

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