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Control Specification
SiUS092230EA
88
Part 4 Functions and Control
FFQ
The operating frequency limitation is judged with the indoor heat exchanger temperature.
R4003916
5.8 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.
Reset zone
Up zone
Keep zone
Dropping zone
Stop zone
13°C (55.4°F)
7°C (44.6°F)
3°C (37.4°F)
0°C (32.0°F)
5°C (41.0°F)
Indoor heat exchanger
temperature (R2T)
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.
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
Indoor heat exchanger
temperature
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
(R23928)
D
C
B
A
E
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...