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Equalizer pipe shutoff valve
Gas pipe shutoff valve
Charge hose
Liquid pipe shutoff valve
Refrigerant charge port
valve C
Measuring
device
R-410A tank
(with siphon)
Outdoor
unit
A
valve A
valve B
Line valve
Outdoor
Function unit
unit
B
To indoor unit
Field pipings
Refrigerant flow
: Line valve
Gas pipe
service port
Liquid pipe
service port
Shutoff valve
Service port
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