Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 158

[ VII Control ]
(2) Heat source unit heat exchanger capacity control patterns
Operation mode
Model
PQRY
P72-P120 Cooling-
models only
Cooling-
main
Cooling-
only
Heating-
only
Heating-
main
HWE15150
Operation
pattern
PQHY SV4a
1 OFF
2 OFF
3 OFF
4 OFF
- 5 OFF
6 OFF
7 OFF
8 OFF
9 OFF
Cooling OFF
10
Heating OFF
1
Solenoid valve
SV4b SV4d SV7a SV7b
OFF ON OFF OFF
OFF ON OFF OFF
OFF OFF ON ON
OFF OFF OFF ON
OFF OFF OFF ON
OFF OFF ON OFF
OFF OFF ON OFF
OFF OFF ON OFF
OFF OFF ON OFF
OFF OFF OFF OFF
OFF OFF OFF OFF
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LEV
LEV6 LEV7
41 pulses 41-3000 pulses
41-3000pulses PQRY:
41 pulses
PQHY:
3000 pulses
GB