Daikin 3-Zone Outdoor Heat Pump 3MKS50E3V1B

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 coils.

1 Pull out the electronic expansion valve coils.

2. Remove the four way valve coil.

1 Remove the screw to remove the four way valve coil.

When reassembling, meet the edge of the thermistor and the fixture.

1 Open the putty and remove the liquid pipe thermistors.

2 Pull out the gas pipe thermistors.

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

Refrigerant gas is empty in the circuit

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.

Piping restored by nonoxidation brazing

Four way valve wrapped with wet cloth and provided water so that the cloth does not dry

Brazed part disconnected where is easy to disconnect and restore

Pipes on the main unit cut with a tube cutter in order to make it easy to disconnect

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

Preparation: Remove the outer panels and plates. Remove the electrical box.

Remove the 2 screws of the fan motor fixing plate.

Remove the fan motor fixing plate. When reassembling, fit the lower hooks.

Remove the nut and remove the outdoor fan. When reassembling, align the mark of the outdoor fan with the D-cut section of the motor shaft.

Open the 2 hooks and release the fan motor lead wire. When reassembling, put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan.

Remove the 4 screws and remove the fan motor.

Sign off on the fan motor removal

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

Appearance features: Take care not to cut your finger by the fins of the heat exchanger.

Remove the 4 screws (2 on both sides) of the top panel.

Remove the 6 screws of the front panel.

Remove the screw of the shield plate.

Slide the shield plate to the left to unfasten the hooks and remove the shield plate.

Unfasten the upper 2 hooks. Align the position of hole of the upper hook to pull the front panel out.

Lift the front panel up to unfasten the left side hooks. The front panel has 3 hooks on the left.

Unfasten the right side hook and remove the front panel.

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

Disconnect the compressor lead wires.

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 brazed part of the discharge side and disconnect the part (a).