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SiEN12-710A
Control Specification
Function and Control
49
2.6 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 and after 30 sec from changing number of operation room.
Control in Each Zone
2.7 Heating Peak-cut Control
Outline
Heat Pump Only
During heating operation, the signals being sent from the indoor unit allow the operating
frequency limitation and prevent abnormal high pressure. (The signal from the indoor unit must
be divided as follows.)
Detail
Conditions for Start Controlling
Judge the controlling start with the indoor heat exchanger temperature after 2 min from
operation start and
sec from changing number of operation room.
Control in Each Zone
The maximum value of heat exchange intermediate temperature of each indoor unit controls the
following (excluding stopped rooms).
(R4561)
Return from stop
Reset zone
Heat exchanger
thermistor temperature
Up zone
Keep zone
Drooping zone
Stop zone
0°C
3°C
5°C
7°C
13°C
When increase
30
When decrease
2
Stop zone
Reset zone
Up zone
Keep zone
Drooping zone
Heat exchanger
thermistor
temperature
Summary of Contents for 2MKS40FV1B
Page 11: ...Introduction SiEN12 710A x ...
Page 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Page 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Page 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Page 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Page 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Page 203: ...SiEN12 710A iv Index ...