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SiUS071735EB
Control Specification
Functions and Control
38
2.7 Heating Peak-cut Control
During heating operation, the indoor heat exchanger temperature determines the frequency upper
limit to prevent abnormal high pressure.
The operating frequency limitation is judged with the indoor heat exchanger temperature.
09/12 class
15 class
18 class
24 class
(°C)
(°F)
(°C)
(°F)
(°C)
(°F)
(°C)
(°F)
A
57.5
135.5
60
140.0 60
140.0
60
140.0
B
55
131.0 54
129.2 55
131.0
54
129.2
C
52
125.6 51
123.8 52
125.6
51
123.8
D
50
122.0 49
120.2 50
122.0
49
120.2
E
45
113.0 44
111.2 45
113.0
44
111.2
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.
Indoor heat exchanger
temperature
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
(R23928)
D
C
B
A
E
Summary of Contents for FDMQ09RVJU
Page 12: ...SiUS071735EB 1 List of Functions Part 1 List of Functions 1 Functions 2 ...
Page 14: ...SiUS071735EB 3 Specifications Part 2 Specifications 1 Specifications 4 ...
Page 125: ...SiUS071735EB Check Service Diagnosis 114 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 127: ...SiUS071735EB Check Service Diagnosis 116 15 18 24 class R20704 W V U DC_P1 DC_N1 ...