Daikin Heat Pump Outdoor Unit RXS36LVJU

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

Pull out the 3 lead wires. U: red, V: yellow, W: blue

Remove the overload protector (OL).

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Warning: Use caution to avoid burning yourself with pipes and other parts that are heated by the gas brazing machine.

Warning: If the refrigerant gas leaks during work, immediately ventilate the room. If refrigerant gas is exposed to flames, toxic gas may be generated.

Warning: If the refrigerant oil in the compressor catches fire, have a wet cloth prepared to extinguish the fire immediately.

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

Remove the sound blanket (top upper)

The sound blanket is fragile. Carefully pass the discharge pipe through it.

Remove the screw and slightly push the partition plate (1) to the left for easy work.

Remove the sound blanket (outer)

Remove the sound blanket (inner)

The sound blanket is fragile. Be careful of the notches of the compressor mount (4 locations).

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

1. Remove the electronic expansion valve coil.

1 Pull the electronic expansion valve coil out.

You can remove the thermistor ASSY with the electrical box on.

(1) Disconnect [S90] from the electrical box (main PCB).

(2) Release the thermistor harness from the hook at the bottom of electrical box.

(3) Pull out the clamp of the thermistor harness from the hole of the electrical box.

1 Pull out the outdoor heat exchanger thermistor.

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

Preparation: Remove the electrical box according to the “Removal of Electrical Box”.

Connectors [S52] [S102] disconnected from the service monitor PCB

4 clamps detached and service monitor PCB removed

Screws of the terminal board and the ground wire removed

Output voltage between pins 1 and 3

Generation of 3 pulses between pins 2 and 3 when the fan motor is operating