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Caution in handling the packed valve integrated in the
outlets of outdoor unit.
1. Operation of opening packed valve: Open the valve stem until it hits against
the stopper. Do not try to open it further.
2. Operation of closing packed valve: Securely tighten the valve stem with a
special tool. Then securely tighten the valve stem cap with a spanner or the
like. Refer to the table on page 13 for valve cap tightening torque.
Note: There is a charging port integrated in the low side outlet, but not in the
high side outlet. The low side outlet is shown in the sketch map below.
Outdoor unit
A
B
Packed valve
Purging the system
19
Refrigerant
Indoor unit
Gas
C
D
Half union
Flare nut
Valve body
Charge port
Valve stem
Stopper
Cap
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