Daikin Outdoor Heat Pump ARXS35G2V1B

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

Untie the string and open the sound blanket (outer)

Remove the outer panels according to the “Removal of Outer Panels / Fan Motor”

Remove the electrical box according to the 'Removal of Electrical Box'

Lift and remove the sound blanket (outer)

Since the piping ports are torn easily, remove the sound blanket carefully.

Pull the sound blanket (inner) out

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

Did you wait for 10 minutes after turning off all power supplies?

Remove the 2 nuts of the compressor.

Did you remove the 2 nuts of the compressor?

Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.

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

Warning: Since it may happen that the refrigerant oil in the compressor catches fire, prepare wet cloth so as to extinguish fire immediately.

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.

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

You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box.

2 Remove the screw on the terminal board.

3 Release the 2 earth terminals.

5 Unfasten the 3 hooks on the upper side.

6 Lift and pull out the main PCB.

Warning: Disconnect the connectors of the thermistors from the PCB before proceeding

Thermistors disconnected from the PCB

Measure the resistance of each thermistor

Refer to the table and graph for normal temperature and resistance relationship

Sign off on the thermistor resistance check

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

Preparation: Remove the panels and disconnect the connector for the fan motor according to the “Removal of Outer Panels / Fan Motor”.

Disconnect the 2 connectors for the reactor.

Disconnect the connector for the compressor [S30].

When reassembling, coil the excessive lead wire and hang the loop on the hook.

Disconnect the connectors for the magnetic relay [S50] and for the thermistors [S90].

Disconnect the connectors for the filter PCB [S10] and for the overload protector [S40].

Disconnect the connectors for the electronic expansion valve coil [S20] and for the four way valve coil [S80].