Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual page 144

OPERATING PROCEDURE
6. Removing the thermistor <Outdoor liquid pipe> (TH3) and
Photo 9 thermistor <Compressor> (TH4), thermistor <HIC
pipe> (TH2)
7. Removing the 4-way valve coil (21S4)
8. Removing the 4-way valve
Notes:
1. Recover refrigerant without spreading it in the air.
2. The welded part can be removed easily by removing
the side panel (R).
3. When installing the 4-way valve, cover it with a wet
cloth to prevent it from heating (248°F [120°C] or
more), then braze the pipes so that the inside of pipes
are not oxidized.
OCH573E
PHOTOS/FIGURES
Photo 9
Photo 10