123
OPERATING PROCEDURE
PHOTOS
5. Removing the compressor and the 4-way valve
(1) Remove the top panel (Photo 1).
(2) Remove the service panel, the cabinet, and the back panel
(Photo 1, 2, 3).
(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 the
compressor (U, V, W).
(5) Disconnect the electronic control P.C. board connectors:
CN661, CN663, CN681 (MXZ-3C68VA, MXZ-4C71VA),
CN791, CN792, CN793,
CN794 (MXZ-4C71VA), CN795, CN931, CN932
Disconnect the noise filter P.C. board connector:
CN912
(6) Remove the screws of the electrical parts, and remove the
electrical parts (Photo 4).
(7) Remove the propeller (Photo 6).
(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 dis-
charge pipes.
(11) Remove the compressor nuts and remove the compressor.
(12) Detach the brazed parts of 4-way valve and pipe.
6. Removing the expansion valve
(1) Remove the top panel (Photo 1).
(2) Remove the service panel, the cabinet, and the back panel
(Photo 1, 2, 3).
(Gas recovery is not required if the unit is pumped down.)
(3) Remove the electrical parts for removing LEV E (Photo 4, 7).
(4) Remove the LEV coils.
(5) Detach the brazed parts of expansion valves and pipes.
4 way valve
R.V. coil
Expansion
valves
Photo 8
Photo 9
LEV coils
Brazed parts
Photo 7
R.V. coil
4 way valve
LEV coil E
Expansion valve E
Suction pipe
brazed part
Discharge
pipe brazed part
Compressor nuts
OBH584G
Содержание MXZ-2C30VA
Страница 24: ...24 WIRING DIAGRAM 6 MXZ 2C30VA MXZ 2C40VA MXZ 2C52VA OBH584G ...
Страница 25: ...25 MXZ 3C54VA OBH584G ...
Страница 26: ...26 MXZ 3C68VA OBH584G ...
Страница 27: ...27 MXZ 4C71VA OBH584G ...
Страница 28: ...28 MXZ 4C80VA OBH584G ...
Страница 29: ...29 MXZ 4C80VA2 OBH584G ...
Страница 30: ...30 MXZ 5C100VA OBH584G ...
Страница 31: ...31 MXZ 5C100VA2 OBH584G ...
Страница 32: ...32 MXZ 6C120VA E1 OBH584G ...
Страница 33: ...33 MXZ 6C120VA E2 OBH584G ...
Страница 34: ...34 MXZ 6C122VA E1 OBH584G ...
Страница 35: ...35 MXZ 6C122VA ER1 OBH584G ...
Страница 36: ...36 MXZ 6C122VA E2 OBH584G ...
Страница 37: ...37 MXZ 6C122VA ER2 OBH584G ...