SiUS181305E
Protection Control
Function
54
4.5
Freeze-up Protection Control
Outline
According to the freeze prevention status sent from the BP unit, the compressor output frequency is
regulated to decrease compressor capacity in order to prevent the indoor heat exchanger from
freezing.
Detail
Zones are divided based on the freeze prevention status signal sent from the BP unit (indoor unit),
and the freeze prevention control prevents freezing of the indoor unit.
Recovery zone: Lift the control
Increase zone: 1 step up / 60 sec.
Keep zone: Frequency is not controlled
Decrease zone: 1 step down / 60 sec.
Stop zone: Thermostat-OFF (only the target indoor unit)
The temperature in the above figure depends on the model (reference value).
˚C
13
7
5
3
0
˚F
55.4
44.6
41
37.4
32
Recovery zone
Increase zone
Keep zone
Decrease zone
(R19085)
Indoor heat exchanger
temperature
Содержание RMXS-L Series
Страница 10: ...Safety Considerations Safety Considerations ix...
Страница 11: ...SiUS181305E 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Outdoor Unit 2 1 2 Indoor Unit 3...
Страница 129: ...SiUS181305E Field Settings Test Operation and Field Settings 120...
Страница 144: ...FFQ09 12 15 18LVJU SiUS181305E 135 Remote Controller...
Страница 249: ...SiUS181305E Removal Procedure Booklet No Appendix 240...