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Control Specification
SiENBE04-808_A
53
Function and Control
3.6
Freeze-up Protection Control
Outline
During cooling operation, the signal sent from the indoor unit controls the operating frequency
limitation and prevents freezing of the indoor heat exchanger. (The signal from the indoor unit is
divided into zones.)
Detail
The operating frequency limitation is judged with the indoor heat exchanger temperature.
3.7
Heating Peak-cut Control
Outline
During heating operation, the indoor heat exchanger temperature determines the frequency
upper limit to prevent abnormal high pressure.
Detail
(R4561)
Reset zone
Indoor heat exchanger
thermistor temperature
Up zone
Keep zone
Drooping zone
Stop zone
0°C
5.5°C
7.5°C
9.5°C
13°C
(Reference)
Zone
Control
Stop zone
When the temperature reaches the stop zone, the compressor stops.
Drooping zone
The timer starts, and the frequency is drooping.
Keep zone
The upper limit of frequency is kept.
Up zone
The upper limit of frequency is increased.
Reset zone
The upper limit of frequency is canceled.
20/25/35 class
42 class
50 class
(°C)
65
65
65
(°C)
56
55
56
(°C)
53
54
55
(°C)
51
52
53
(°C)
46
50
51
Indoor heat exchanger
thermistor temperature
Stop zone
Drooping zone
Keep zone
Up zone
Reset zone
(R11819)
°C
°C
°C
°C
°C
SiENBE04-808_A.pdf 65
21/02/2011 13:19:57
Содержание ARXS20G2V1B
Страница 13: ...SiENBE04 808_A 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 3 ...
Страница 17: ...SiENBE04 808_A 5 Specifications Part 2 Specifications 1 Specifications 6 1 1 Cooling Only 6 1 2 Heat Pump 9 ...
Страница 297: ...Outdoor Unit RK X S50G2V1B ARXS50G2V1B SiENBE04 808_A 285 Removal Procedure ...