Mitsubishi Heavy Industries FDT90VNPWVH Service Manual page 47

(18) Silent mode
As "Silent mode start" signal is received from the remote control, it operates by dropping the outdoor fan tap.
Item
Model
FDC90, 100VNP-W
(19) Broken wire detection on temperature sensor
(a) Outdoor unit heat exchanger temperature sersor, outdoor air temperature sensor.
If the following is detected for 5 seconds continuously within 2 minutes to 2 minutes and 20 seconds after the
compressor ON, the compressor stops. After a delay of 3 minutes, it restarts but, if the same is detected repeatedly 3
times within 40 minutes, the compressor stops with the anomalous stop. Or with in 20 seconds after power ON.
Note (1) During defrost operation and for 3 minutes after the end of defrost operation, it is not detected.
• Outdoor unit heat exchanger temperature sensor: -55°C or lower.
• Outdoor air temperature sensor: -55°C or lower.
(b) Discharge pipe temperature sensor.
If the following is detected for 5 seconds continuously within 10 minutes to 10 minutes and 20 seconds after the
compressor ON, the compressor stops. After a delay of 3 minutes, it restarts but, if the same is detected repeatedly 3
times within 40 minutes, the compressor stops with the anomalous stop.
Note (1) During defrost operation and for 3 minutes after the end of defrost operation, it is not detected.
• Discharge pipe temperature sensor: -25°C or lower.
Outdoor fan tap (Upper limit)
Cooling: 7th speed, Heating: 7th speed
46
- -
'19 • PAC-SM-334