OPERATING PROCEDURE
PHOTOS
105
6. Removing the expansion valve
(1) Remove the service panel (Photo 1, 2).
(2) Remove the top panel (Photo 1).
(Gas recovery is not required if the unit is pumped down.)
(3) Remove the font panel for removing LEV F (Photo 1).
(4) Remove the electrical parts for removing LEV F (Photo 4).
(5) Remove the LEV coils.
(6) Detach the brazed parts of expansion valves and pipes.
Expansion
valves
Photo 9
LEV coils
Expansion valve F
LEV coil F
5. Removing the compressor and the 4-way valve
(1) Remove the service panel (Photo 1).
(2) Remove the top panel, the front panel and the rear panel.
(3) Recover gas from the refrigerant circuit.
NOTE:
Recover gas from the pipes until the pressure gauge
shows 0 kg/cm
2
(0 MPa).
(4) Disconnect the compressor lead wire from terminal of
compressor (U, V, W).
(5) Disconnect the outdoor control P.C. board
connectors:
CN661, CN663, CN681, CN791, CN792, CN793, CN794,
CN795 (
MXZ-5D102VA
), CN796, CN931, CN932
Disconnect the noise filter P.C. board connector:
CN912
(6) Remove the screws of the electrical parts, and remove the
electrical parts.
(7) Remove the propeller.
(8) Remove the screws of the separator, and remove the
separator (Photo 6).
(9) Remove the sound proof felt (Photo 6).
(10) Detach the brazed parts of the compressor suction and
discharge pipes.
(11) Remove the compressor nuts and remove the compressor.
(12) Detach the brazed parts of 4-way valve and pipe.
4 way valve
R.V. coil
Brazed parts
Photo 8
Photo 7
Suction
pipe
brazed
part
Discharge
pipe
brazed
part
Compressor nuts (3 places)
OBH626B
Summary of Contents for MXZ-2D33VA-E1
Page 16: ...16 OUTLINES AND DIMENSIONS 5 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA MXZ 2D53VAH Unit mm OBH626B ...
Page 20: ...20 WIRING DIAGRAM 6 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA OUTDOOR DISPLAY P C BOARD OBH626B ...
Page 21: ...21 MXZ 2D53VAH OUTDOOR DISPLAY P C BOARD OBH626B ...
Page 22: ...22 MXZ 3D54VA OBH626B ...
Page 23: ...23 MXZ 3D68VA OBH626B ...
Page 24: ...24 MXZ 4D72VA OBH626B ...
Page 25: ...25 MXZ 4D83VA OBH626B ...
Page 26: ...26 MXZ 5D102VA OBH626B ...