OPERATING PROCEDURE
PHOTOS
120
Photo 8
R.V. coil
4 way valve
LEV coil E
Expansion valve E
Suction pipe
brazed part
Discharge pipe
brazed part
Compressor nuts
5. Removing the compressor and the 4-way valve
(1) Remove the service panel (Photo 1).
(2) Remove the top 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 outdoor control P.C. board
connectors:
CN661, CN665, CN681 (
MXZ-3D68VA
,
MXZ-4D72VA
),
CN711, CN712, CN791, CN792, CN793,
CN794 (
MXZ-4D72VA
), CN795, CN931
(6) Remove the screws of the electrical parts, and remove the
electrical parts (Photo 4).
(7) Remove the propeller.
(8) Remove the screws of the separator, and remove the
separator (Photo 7).
(9) Remove the sound proof felt (Photo 7).
(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.
6. Removing the expansion valve
(1) Remove the service panel (Photo 1).
(2) Remove the top 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, 8).
(4) Remove the LEV coils.
(5) Detach the brazed parts of expansion valves and pipes.
4 way valve
R.V. coil
Expansion
valves
Photo 9
Photo 10
LEV coils
Brazed parts
OBH626E
Содержание SEZ-KD VA Series
Страница 17: ...17 OUTLINES AND DIMENSIONS 5 MXZ 2D33VA MXZ 2D40VA MXZ 2D42VA MXZ 2D53VA MXZ 2D53VAH Unit mm OBH626E ...
Страница 21: ...21 WIRING DIAGRAM 6 MXZ 2D33VA E1 MXZ 2D40VA E1 MXZ 2D53VA E1 OUTDOOR DISPLAY P C BOARD OBH626E ...
Страница 22: ...22 MXZ 2D33VA E2 MXZ 2D42VA E2 MXZ 2D53VA E2 OBH626E ...
Страница 23: ...23 MXZ 2D33VA ER2 MXZ 2D40VA ER2 MXZ 2D53VA ER2 OBH626E ...
Страница 24: ...24 MXZ 2D53VAH E1 OUTDOOR DISPLAY P C BOARD OBH626E ...
Страница 25: ...25 MXZ 2D53VAH E2 OBH626E ...
Страница 26: ...26 MXZ 2D53VAH ER2 OBH626E ...
Страница 27: ...27 MXZ 3D54VA E1 OBH626E ...
Страница 28: ...28 MXZ 3D54VA2 E2 OBH626E ...
Страница 29: ...29 MXZ 3D54VA2 ER2 OBH626E ...
Страница 30: ...30 MXZ 3D68VA E1 OBH626E ...
Страница 31: ...31 MXZ 3D68VA E2 OBH626E ...
Страница 32: ...32 MXZ 3D68VA ER2 OBH626E ...
Страница 33: ...33 MXZ 4D72VA E1 OBH626E ...
Страница 34: ...34 MXZ 4D72VA E2 OBH626E ...
Страница 35: ...35 MXZ 4D72VA ER2 OBH626E ...
Страница 36: ...36 MXZ 4D83VA E1 OBH626E ...
Страница 37: ...37 MXZ 4D83VA E2 OBH626E ...
Страница 38: ...38 MXZ 4D83VA ER1 OBH626E ...
Страница 39: ...39 MXZ 4D83VA ER2 OBH626E ...
Страница 40: ...40 MXZ 5D102VA E1 OBH626E ...
Страница 41: ...41 MXZ 5D102VA E2 OBH626E ...
Страница 42: ...42 MXZ 5D102VA ER1 OBH626E ...
Страница 43: ...43 MXZ 5D102VA ER2 OBH626E ...