87
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 230V AC 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 230V AC
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 230V AC 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/3D68VA/4D72VA
CN711
CN712
Outdoor control P.C. board
MXZ-3D54VA/3D68VA/4D72VA
OBH626B
Содержание MXZ-2D33VA-E1
Страница 16: ...16 OUTLINES AND DIMENSIONS 5 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA MXZ 2D53VAH Unit mm OBH626B ...
Страница 20: ...20 WIRING DIAGRAM 6 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA OUTDOOR DISPLAY P C BOARD OBH626B ...
Страница 21: ...21 MXZ 2D53VAH OUTDOOR DISPLAY P C BOARD OBH626B ...
Страница 22: ...22 MXZ 3D54VA OBH626B ...
Страница 23: ...23 MXZ 3D68VA OBH626B ...
Страница 24: ...24 MXZ 4D72VA OBH626B ...
Страница 25: ...25 MXZ 4D83VA OBH626B ...
Страница 26: ...26 MXZ 5D102VA OBH626B ...