Daikin Outdoor Unit RZQ71KBV4A

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

- Remove the PCB assy (A1P) 1 Remove the connectors on the PCB.

2 Remove the 1 screw that fixes the electric component to the mounting plate.

3 Pull out the PCB assy, after removing from the hooks at the both sides (9 locations).;

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

- Remove the top panel, the front panel, the side panel, and the piping cover, following the procedure Removing Outside Panels.

- Remove the switch box, following the procedureindicated at "Removing switch box".

1. Remove the PCB for the display (A2P)

-Remove the connectors (X205A) on the PCB for the display. - Since the PCB for the display (A2P) is fixed with 2 hooks, take from them and then remove the PCB for the display.;

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

Remove the outside panels, their parts, and switch box, following the procedure Removing Outside Panels

Four way valve removed after removing the 1 screw

Main unit of the four way valve removed after cutting off the brazings (4 locations)

Confirmed that the refrigerant is completely collected before starting the work

Other pipings protected using a protective sheet for the welding or steel plate so that the flame for the gas welding may not damage them

Main unit cooled down using a wet waste etc. so that the temperature of the main unit may not get higher than 120 °C

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

Outside panels, their parts, and switch box removed

Fixing plate for the stop valve removed

Lead wire removed from the terminal (2)

Sound insulation pulled out by unwinding the strings (2 locations)

Nuts that fix the compressor removed

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

Remove the front panel, the suction grille, the top panel, the side panel, and the piping cover, following the Procedure to Remove Outside Panels

Precaution for the installation of the switch box:

After restoring each part, fix each lead wire with the clamps in the same way as originally fixed.

1 Remove the wirings to the switch box and the related parts

• Coil of four way valve (X25A)