Panasonic CS-C45FFH, Руководство по обслуживанию

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11.6. Gas charging
(After Evacution)
Charging
cylinder
(Indoor unit)
(Liquid side)
(Outdoor u nit)
(Gas side)
3-way
valve
Close
Low High
Open
Open
3-way
valve
Open
Procedure
1.
Connect the charge hose which was disconnected from
the vacuum pump to the valve at the bottom of the
cylinder.
2.
Open the valve at the bottom of the cylinder and use a
screwdriver to press the check valve on the charge set
to purge the air.(Be careful of the liquid refrigerant.)
3.
Be sure to open only the High side valve on the charge
set to charge the system from the liquid-side (high-
pressure) pipe. (If the system cannot be charged with
the specified amount of refrigerant, operate the
compressor until the specified amount can be charged,
and then close the valve at the bottom of the charge
cylinder.)
Connect the charge hose to the charging cylinder.
Purge the air from the charge hose.
Open the valve (High side) on the charge set and charge
the refrigerant with liquid refrigerant.
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4.
5.
Use a torque wrench to tighten the service port caps
to a torque of 1.8kg.m (18 N.m)
Be sure to check for gas leakage.
Immediately disconnect the charge hose from the
3-way valve ’ s service ports.
Mount the valve stem nuts and the service port.
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CS-C45FFH / CU-C45FFH