Mitsubishi Electric PURY-P72 Service Handbook page 146

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[ VII Control ]
(3) Outdoor unit heat exchanger capacity control patterns
Model
P72 model
Cooling-
only
Cooling-
main
Heating-
only
Heating-
main
Defrost
P96, P120 models Cooling-
only
Cooling-
main
Heating-
only
Heating-
main
Defrost
HWE0803A
Operation
Operation
mode
patterns
1
2
3
4
5
1
1
2
1
1
2
3
4
5
1
1
2
1
Solenoid valve
SV4a
SV4b
SV4c
OFF
OFF
-
OFF
OFF
-
OFF
ON
-
ON
OFF
-
ON
ON
-
ON
ON
-
ON
ON
-
ON
ON
-
ON
ON
-
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
- 137 -
SV4d
SV5c
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
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