Daikin Cooling-Only Outdoor Unit RKS60E3V1B

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

Take care not to cut your finger by the fins of the outdoor heat exchanger.

Remove the 4 screws and lift the top panel.

Remove the 4 screws and remove the discharge grille.

Slide the discharge grille upwards and remove it. The discharge grille has 4 hooks.

Remove the 6 screws of the front panel.

Push the front panel and lift the shield plate to unfasten the hooks.

Unfasten the left side hooks, and then the right side hook.

Lift the front panel while pushing the left side panel inwards.

EV connector correctly connected to the PCB

EV generates latching sound when power is turned off and on

Continuity confirmed when connector is disconnected and checked with a tester

Check the continuity between the pins

Note: The latching sound varies depending on the valve type.

Sign off on the electronic expansion valve check

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”.

Disconnect the connectors from the service monitor PCB [S52] [S102].

Detach the 4 clamps with pliers.

Remove the screws of the terminal board and the earth wire.

Unfasten the hook on the right.

Disconnect the 2 connectors for the reactor [HR1] [HR2].

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

Pull out the electronic expansion valve coil.

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.)

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.

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.

Heat up the 2 brazed parts of the electronic expansion valve and remove it.

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

Thermistors disconnected from the PCB

Measure the resistance of each thermistor

Select the model of the thermistor

Upload a photo of the tester reading

Sign off on the thermistor resistance check