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.

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

Remove the 2 screws of the shield plate.

Preparation: Remove the top panel and the front panel according to the “Removal of Outer Panels”.

Slide the shield plate upward to unfasten the 1 hook on the bottom left, and then remove the shield plate.

Disconnect the 2 power supply cables and the 1 earth wire.

Remove the 3 screws of the right side panel.

Remove the screw of the electrical box.

Unfasten the hooks and remove the right side panel.

Warning: This procedure requires trained personnel with PPE!

Enter the power supply waveform measurement between No.1 and No.2 on the terminal board

Upload a photo of the measured waveform

Is the power supply waveform a sine wave?

Is there waveform disturbance near the zero cross?

Sign off on the power supply waveform check

Voltage of 320 ± 30 V is applied

Set operation off and power off. Disconnect the connector S70

Control voltage between the pins 3 - 4

Rotation command voltage between the pins 2 - 4

Keep operation off and power off. Connect the connector S70

2 pulses (0 ~ 15 VDC) at the pins 1 - 4 when the fan motor is rotated 1 turn by hand

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.