Mitsubishi Air Conditioner EACV-M1500YCL-N

- Recover the refrigerant through the check joint (low-pressure (LP) side) on the left side of the unit next to the plate heat exchanger side.

* Each refrigerant circuit is independent.

Only collect the refrigerant from the system whose LEV needs to be replaced.

- When replacing compressors 1B, 2A, and 2B, remove the pillars by unscrewing the eight M5 screws.

Pillar: Mounted with M5 screws (3.0±0.3 Nm)

* When the pillar is removed, the frame will sag down by its own weight.

Remove the service side panels from the opposite side of the service side

Completely drain the water from the water circuit

Collect the refrigerant through the check joint (low-pressure (LP) side) on the left side of the unit next to the plate heat exchanger side

Remove the pillar when replacing the heat exchanger in the 1-system by unscrewing the four M5 screws

Disconnect the water pipe from the heat exchanger to be replaced

Remove the upper joint plate from the water pipe side

Remove the lower support plate on the LEV side from the heat exchanger to be replaced

Remove the joint plate at the upper portion of the heat exchanger on the LEV side

Warning: This procedure requires trained personnel with PPE!

Recover the refrigerant through the check joint (low-pressure (LP) side) on the left side of the unit next to the plate heat exchanger.

Select the type of refrigerant circuit

Remove the pillars by unscrewing the four M5 screws.

Cut the tie band as required, and remove the LEV coil.

Remove the U-pipe located in front of the LEV by removing the braze from the two areas shown in the figure.

Braze the pipe that was removed in step 5 to the new LEV.

Pressurize the unit from the high pressure side.

Warning: Ensure the power is off before starting the procedure

Center panel removed by unscrewing the ten M5 screws

Fan motor relay connectors disconnected

Bell mouth and mounting plate removed by unscrewing the four M5 screws

Tie band cut and fan motor wire bundled and placed near the fan motor

Propeller removed by unscrewing the M12 box nut

Fan motor removed by unscrewing the four screws

Procedure reversed to complete the replacement

Sign off on the fan replacement