Control Specification SiENBE04-507A
68 Function and Control
3.8 Fan Control
Outline Fan control is carried out with following functions.
1. Fan control when defrosting
2. Fan OFF delay when stopped
3. ON/OFF control when cooling operation
4. Fan control when forced operation
5. Fan control in low noise mode
6. Fan control during heating operation
7. Fan control in the quiet mode
8. Fan control in the powerful mode
9. Fan control for pressure difference upkeep
Detail Fan OFF Control when Stopped
Fan OFF delay for 60 seconds must be made when the compressor is stopped.
3.9 Liquid Compression Protection Function 2
Outline In order to obtain the dependability of the compressor, the compressor must be stopped
according to the conditions of the temperature of the outdoor air and outdoor heat exchanger.
Detail Operation stop depending on the outdoor air temperature
Compressor operation turns OFF under the conditions that the system is in cooling operation
and outdoor air temperature is below –10°C.
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