Installation manual

[ VII Control ]
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HWE10050 GB
(3) Outdoor unit heat exchanger capacity control patterns
*SV4c turns on when energized on the P350, P400, EP250, and EP300 models. and it turns on when de-energized on the
P450 and EP350 models. (All other valves turn on when energized.)
Model
Operation
mode
Operation
patterns
Solenoid valve
SV4a SV4b SV4c SV4d SV5c
P200 - P300
through EP200
models
Cooling-
only
Cooling-
main
1 OFF OFF - ON ON
2 OFF OFF - OFF ON
3 OFF ON - OFF ON
4 ON OFF - OFF ON
5ONON-OFFOFF
Heating-
only
1ONON-OFFOFF
Heating-
main
1 ON ON - ON OFF
2ONON-OFFOFF
Defrost 1 ON ON - OFF OFF
P350 - P400
through EP250 -
EP300 models
Cooling-
only
Cooling-
main
1 OFF OFF OFF ON ON
2 OFF OFF OFF OFF ON
3 OFF OFF ON OFF ON
4 OFF ON ON OFF ON
5ONONONOFFOFF
Heating-
only
1ONONONOFFOFF
Heating-
main
1ONONONONOFF
2ONONONOFFOFF
Defrost 1 ON ON ON OFF OFF
P450 and EP350
models
Cooling-
only
Cooling-
main
1 OFF OFF OFF ON ON
2 OFF OFF OFF OFF ON
3 OFF ON OFF OFF ON
4ONONOFFOFFON
5ONONONOFFOFF
Heating-
only
1ONONONOFFOFF
Heating-
main
1ONONONONOFF
2ONONONOFFOFF
Defrost 1 ON ON ON OFF ON