Control Specification
SiBE121135
114
Function and Control
4.7
Heating Peak-cut Control
Outline
During heating operation, the indoor heat exchanger temperature determines the frequency
upper limit to prevent abnormal high pressure.
Detail
The operating frequency is judged with the indoor heat exchanger temperature 2 minutes
after the operation starts and
F
seconds after the number of operation room is changed.
The maximum value of the indoor heat exchanger temperature controls the following
(excluding stopped rooms).
Zone
Control
Stop zone
When the temperature reaches the stop zone, the compressor stops.
Dropping zone
The upper limit of frequency decreases.
Keep zone
The upper limit of frequency is kept.
Up zone
The upper limit of frequency increases.
Reset zone
The upper limit of frequency is canceled.
A
(°C)
65
B
(°C)
55
C
(°C)
54
D
(°C)
52
E
(°C)
50
Indoor heat exchanger
thermistor temperature
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
(R14645)
D
˚C
C
˚C
B
˚C
A
˚C
E
˚C
F
(seconds)
30
2
When increase
When decrease
Содержание 3MXS40K2V1B
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Страница 189: ...SiBE121135 RA Indoor Unit Operation Manual 177 FVXG25 35 50K2V1B Quick Reference ...
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