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Control Specification
SiBE04-809
36
Function and Control
3.6
Freeze-up Protection Control
Outline
During cooling operation, the signals being sent from the indoor unit allow the operating
frequency limitation and then prevent freezing of the indoor heat exchanger. (The signal from
the indoor unit must be divided into the zones as the followings.
Detail
Conditions for Start Controlling
Judge the controlling start with the indoor heat exchanger temperature after 2 sec from
operation start.
Control in Each Zone
(R4561)
Return from stop
(Reference)
Reset zone
Heat exchanger
thermistor temperature
Up zone
Keep zone
Drooping zone
Stop zone
0˚C
3˚C
5˚C
7˚C
13˚C
Summary of Contents for ARXG25E3V1B
Page 1: ...SiBE04 809 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type E Series ...
Page 11: ...Introduction SiBE04 809 x ...
Page 12: ...SiBE04 809 List of Functions 1 Part 1 List of Functions 1 List of Functions 2 ...
Page 14: ...SiBE04 809 Specifications 3 Part 2 Specifications 1 Specifications 4 ...