Mitsubishi Electric MXZ-2A20NA - 1, Service Manual

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OPERATING PROCEDURE
PHOTOS
3. Removing the 4-way valve
(1) Remove the top panel (Photo 1).
(2) Remove the service panel, rear panel, and pipe cover.
(3) Recover gas from the refrigerant circuit.
NOTE :
Recover gas from the pipes until the pressure gauge
shows 0 PSIG.
(4) Remove the electrical parts (Photo 2).
(5) Detach the welded parts of 4-way valve and pipe.
4. Removing the expansion valve
(1) Remove the top panel (Photo 1).
(2) Remove the service panel (Photo 1).
(Gas recovery is not required if the unit is pumped down.)
(3) Remove the front panel for removing LEV E (Photo 1, 3).
(4) Remove the electrical parts for removing LEV E (Photo 2, 3).
(5) Remove the LEV coils.
(6) Detach the welded parts of expansion valves and pipes.
4 way valve
R.V. coil
Welded parts
Photo 5
Photo 6
2. Removing the fan motor
(1) Remove the top panel, the service panel, and the front panel
(Photo
1).
(2) Disconnect the connectors CN931 and CN932 on the outdoor
electronic control P.C. board.
(3) Remove the propeller.
(4) Remove the fan motor.
Photo 4
Propeller
Propeller nut
Separator
Compressor nuts
Sound
proof
felt
Screws of the outdoor fan motor
Expansion
valves
LEV coils