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HWE09080 GB
(2) Heat source unit heat exchanger capacity control patterns
Model Operation mode
Operation
pattern
Solenoid valve
SV4a SV4b SV4d SV7a SV7b
P72-P120 models Cooling 1 ON OFF OFF ON ON
2ONOFFOFFOFFON
3 ONOFFOFFONOFF
4 ON OFF OFF OFF OFF
5ONONOFFONON
6ONONOFFOFFON
7 ON ON OFF ON OFF
8 ON ON OFF OFF OFF
Heating 1 ON OFF ON ON ON
2 ON OFF ON OFF ON
3 ON OFF ON ON OFF
4 ON OFF ON OFF OFF
5 ONONONONON
6ONONONOFFON
7ONONONONOFF
8ONONONOFFOFF
9ONOFFOFFONON
10 ON OFF OFF OFF ON
11 ON OFF OFF ON OFF
12 ON ON OFF ON ON
13 ON ON OFF OFF ON
14 ON ON OFF ON OFF
15 ON ON OFF OFF OFF