Vivax ACP-09CH25GECI Service Manual page 22

Detect malfunctions of temperature sensor at
(2) Indoor pipe temperature sensor
In defrosting period, the temperature sensor malfunction will not be detected. 5 min after finishing defrosting, the system beg ins to detect the temperature
The temperature sensor overheats. In this case, the complete unit will stop for protection. At the same time, the temperature p rotection and temperature
Outline
Fan control is carried out according to the following priority.
1. Fan ON control for electric component cooling fan
2. Fan control when defrosting
3. Fan OFF delay when stopped
4. ON/OFF control in cooling operation
5. Tap control when drooping function is working
6. Fan control in forced operation
7. Fan control in indoor/outdoor unit silent operation
8. Fan control in powerful mode
9. Fan control in normal operation
Detail
Fan OFF Control when Stopped
* Fan OFF delay for 60 seconds must be made when the compressor is stopped.
Tap Control in indoor/outdoor unit silent operation
1. When Cooling Operation
When the outdoor air temperature is lower than 99°F, the fan tap must be set to L.
2. When Heating Operation
When the outdoor air temperature is higher than 39°F, the fan tap must be turned to L (only for heat pump model).