Panasonic CS-A181KE Service Manual page 30

CS-A181KE
4 Balance refrigerant of the 3-way valves
(Lack of refrigerant in the refrigeration cycle)
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
(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
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).
(Indoor unit)
Lo Hi
G).
hose connected with the
(Liquid side)
3-way valve
(Gas side)
3-way valve
OPEN
– 29 –
(Outdoor unit)
Open
Open