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S4359146
■ Basic Functions of the Service Valves
0549_C_I
0550_C_I
0550_C_I
Narrow tube service valve Wide tube service valve
0554_C_I
Service port (B)
0546_C_I
O-ring
Stem
0547_C_I
Action
Narrow Tube Service Wide Tube Service
Valve (3-Way) Valve (Ball Valve)
CLOSED CLOSED
Shipping and
air purging
Fully Fully
OPEN OPEN
Operating and
test running
the air conditioner
Half Fully
OPEN OPEN
Measuring pressure
and gas charging
0548_C_I
O-ring Valve cap
0989_C_I
Stem
Stem
Valve cap
O-ring
1372_C_I
2-Way Valve
CH2442
3-Way Valve
CH3642, CH4242