Panasonic CS-C181KE Service Manual page 27

4 Balance refrigerant of the 3-way valves
(Lack of refrigerant in the refrigeration cycle)
(Indoor unit)
OPEN
Refrigerant
Reclaiming
Equipment
Procedure:
(1) Confirm that both the 3-way valves are set to the
opened position.
(2) Connect the charge set to the 3-way valve's
service port.
Leave the valve on the charge set closed.
Connect the charge hose with the push-pin to the
service port.
Confirm whether the pressure indicates more than
0.1 MPa (1 kg/cm 2 G).
(3) Connect the charge set's centre hose to refrigerant
reclaiming equipment.
(4) Open the valve (Low side) on the charge set
and loosen the hose connected with the
Refrigerant Reclaiming Equipment to purge the
air from the hose.
(5) Turn on refrigerant reclaiming equipment to collect
the refrigerant until the needle indicates 0
(no refrigerant is remaining).
(Liquid side)
(Gas side)
Lo Hi
OPEN
– 26 –
(Outdoor unit)
3-way valve
Open
3-way valve
Open
CS-C181KE