Daikin Outdoor Unit Air Conditioner RZQ125D7V1B

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

Unscrew the four screws that fix the air discharge grille and disengage the four hooks at the top and bottom of the grille, and then remove this air discharge grille.

Unfasten the fan lock nut that fixes the propeller fan.

Remove the front panel (1) accordance with the Removal Procedure for Outside Panels.

Remove the connector (X206A, X207A) for fan motor from the PC board. In order to disconnect the connector, do not pull the lead wire. Hold the connector part and then push the hooks.

Cautions in mounting the motor: Be sure to fix the motor lead wire with a clamp. Not heeding this caution will cause the entanglement of the lead wire around the fan, which will result in damage to the fan.

Cut the cable tie of lead wires (located on the reverse side of the stop valve mounting plate).

Pull out the lead wires through the opening of the partition panel, and then unclamp the three clamps. (Note that the partition plate has three hooks.)

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

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?

Is the air flow from indoor unit stable?