Mitsubishi PWFY-P36NMU-E-BU Service Handbook page 79

[Replacing the LEV]
Replacing LEV1
1. Debraze the parts on the pipe that are indicated in the figure, and replace LEV1.
2. Connect the connector to CNLVC on the circuit board.
In the case of PWFY-P72NMU-E/E2-AU, connect the connectors to CNLVB and CNLVC on the circuit board.
Replacing LEV2
1. Debraze the parts on the pipe that are indicated in the figure, and replace LEV2.
2. Connect the connector to CNLVA on the circuit board after installation is complete.
LEV2 : Brazed part
[Replacing the heat exchanger]
Replacing the refrigerant-refrigerant heat exchanger
1. Cut the part that is indicated in the figure.
2. Debraze the parts on the pipe that are indicated in the figure.
3. Rebraze the debrazed parts after replacement.
Replacing the water-refrigerant heat exchanger
1. Debraze the parts on the pipe that are indicated in the figure.
2. Rebraze the debrazed parts after replacement.
Refrigerant-refrigerant heat exchanger
CUT
Brazed part
LEV1 : Brazed parts
Brazed part
Water - refrigerant heat exchanger
*PWFY-P36NMU-E/E2-AU only has one LEV.
Brazed parts
Water - refrigerant heat exchanger
- 76 -
LEV1 : Brazed parts
Brazed parts