105
No
Yes
No
Yes
No
Yes
No
Yes
1. Disconnect the lead wire leading to the compressor.
2. 3 minutes after turning ON the breaker, start EMERGENCY
OPERATION in HEAT mode.
Is there voltage of 230 VAC between pin 1
and pin 2 at connector CN712?
Turn OFF the breaker.
Disconnect the connector CN712.
Replace the 4-way valve.
Replace the outdoor control P.C. board.
Replace the R.V. coil.
Is there voltage 230 VAC
between the pin 1 and pin 3 at
connector CN711?
Replace the noise filter P.C. board.
Is there normal resistance
to R.V. coil? (Refer to 11-5.)
1. Disconnect the lead wire leading to the compressor.
2. 3 minutes after turning ON the breaker, start EMERGENCY
OPERATION in COOL mode.
Is there voltage of 230 VAC between pin1 and
pin 2 at connector CN712 ?
Replace the 4-way valve.
Replace the outdoor control P.C. board.
• When heating operation does not work.
• When cooling operation does not work.
MXZ-3D54VA/3D54VA2/3D68VA/4D72VA
CN711
CN712
Outdoor control P.C. board
MXZ-3D54VA/3D54VA2/3D68VA/4D72VA
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 ...