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.
●
●
●
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.
●
●
36
CS-C45FFH / CU-C45FFH
Summary of Contents for CS-C45FFH
Page 8: ...8 4 Dimensions Indoor Unit CS C45FFH CU C45FFH 357 23 5X4 1880 16 5 56 Remote Controller ...
Page 9: ...9 Outdoor Unit CS C45FFH CU C45FFH CU C45FFH 900 620 140 40 5 320 ...
Page 43: ...CS C45FFH CS C45FFH CU C45FFH 43 44 37 38 39 40 41 42 14 13 43 ...
Page 45: ...17 Exploded View CS C45FFH CU C45FFH 45 ...
Page 46: ...CS C45FFH CU C45FFH 46 ...