8-5-6
OUTDOOR HEAT EXCHANGER CAPACITY AND THE STATE OF 4-WAY VALVE,
– 127 –
1.Cooling operation
Heat exchange
4-way valve in the energized mode
capacity(HP)
4WV2 4WV3 4WV4 SV7 SV8 EEV1 EEV2
CN18 CN19 CN20 CN13 CN14 CN29 CN30
2 OFF ON ON ON OFF open enclosed
4 ON OFF ON OFF ON open enclosed
6 ON ON OFF OFF OFF enclosed open
8 OFF ON OFF ON OFF open open
10 ON OFF OFF OFF ON open open
12 OFF OFF OFF ON ON open open
2.Heating operation
Heat exchange 4-way valve in the energized mode
capacity(HP)
4WV2 4WV3 4WV4 SV7 SV8 EEV1 EEV2
CN18 CN19 CN20 CN13 CN14 CN29 CN30
2 ON ON ON ON OFF open enclosed
4 ON ON ON OFF ON open enclosed
6 ON ON ON OFF OFF enclosed open
8 ON ON ON ON OFF open open
10 ON ON ON OFF ON open open
12 ON ON ON ON ON open open
Electromagnetic valve in Electronic expansion
ELECTROMAGNETIC VALVE, AND ELECTORONIC EXPANSION VALVE
the energized mode
valve opening
the energized mode valve opening
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