Daikin Outdoor Unit Air Conditioner RZQ140D7V1B

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) accordance with the Removal Procedure for Outside Panels.

If the top panel cannot be removed, Even though workability is degraded, it is possible to pull the switch box to the front without removing the top panel.

Upload a photo of the connectors to be disconnected.

Precaution for mounting the pressure sensor: To prevent the lead wire from hanging over the PC board, hook the lead wire of 160 to 170 mm in length from the front end of the connector on the clamp.

Disconnect each connector on the PC board. (Refer to the Points column.)

Remove the two Faston terminals. After that, unscrew the three screws that fix the reactor, and then remove the reactor.

Remove the clamp of the pressure sensor lead wire.

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.

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

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 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.