Read Panasonic NR-AF162SNAE / NR-AF162SNWG Service Manual online
9. MEMASUKKAN REFRIGERANT DARI CYLINDER KEDALAM CHARGE CYLINDER
REFRIGERANT CHARGING FROM CYLINDER TO INSIDE OF CYLINDER CHARGE
Preparation:
a
a
b Connect Cylinder Charge and Control Valve.
1.
2.
2.
3.
4.
5.
6.
Notes:
a.
b.
c.
d.
10. REFRIGERANT CHARGE
1.
2.
3.
4.
Open the Valve at the lower part of charge
cylinder.
cylinder.
When charging HFC-134a to inside Cylinder
Charge, the Valve at top Cylinder Charge must
be small open to let out HFC-134a.
Charge, the Valve at top Cylinder Charge must
be small open to let out HFC-134a.
Find the scale which is the nearest to
pressure reading at the cylinder gauge. And
place the scale in the center of the glass tube.
pressure reading at the cylinder gauge. And
place the scale in the center of the glass tube.
Confirm the set amount of glass to be
charged in the refrigerator be refering to the
wiring diagram or the name plate of the unit.
And put a mark at the division indicating the
amount of HFC-134a which should be left in
the charge cylinder glass tube after the set
amount of gas is charged.
charged in the refrigerator be refering to the
wiring diagram or the name plate of the unit.
And put a mark at the division indicating the
amount of HFC-134a which should be left in
the charge cylinder glass tube after the set
amount of gas is charged.
When HFC-134a cylinder is put upside down, as refrigerant discharge as liquid, never
loosen the valve at cylinder charge and the adaptor charge.
loosen the valve at cylinder charge and the adaptor charge.
Do not touch gaseous Refrigerant directly, cause burn skin by "freezer burn" due to low
temperature.
temperature.
Slowly open the valve on the lower sie of
cylinder and charge the unit with HFC-134a.
cylinder and charge the unit with HFC-134a.
When the set amount is amount charge, close the valve. After liquid surface in the glass
tube is stabilized, open the valve a little to charge the gas slowly.
tube is stabilized, open the valve a little to charge the gas slowly.
Close the valve at Cylinder charge and adaptor charge when charging refrigerant is
finished.
finished.
When to disconnect the charge hose, plce HFC-134a cylinder at proper position and
loosen the charge adaptor to let liquid escape.
loosen the charge adaptor to let liquid escape.
When refrigerant discharge completely, close the valve of HFC-134a cylinder.
Put the HFC-134a cylinder upside down (so
that HFC-134a can be put in the Charge
Cylinder as liquid).
that HFC-134a can be put in the Charge
Cylinder as liquid).
Before vacuum pumping process, it should charging the refrigerant from Cylinder HFC-
134a to inside of Cylinder Charge.
134a to inside of Cylinder Charge.
Fix the Adaptor Charge at Cylinder HFC-134a.
Connect the Valve at bottom side of Cylinder
Charge and Adaptor Charge from Cylinder
HFC-134a with Charge Hose.
Connect the Valve at bottom side of Cylinder
Charge and Adaptor Charge from Cylinder
HFC-134a with Charge Hose.
Open the HFC-134a Valve and slack the
Charge Hose at Cylinder Charge to let out the
air, then connect the Charge hose firmly.
Charge Hose at Cylinder Charge to let out the
air, then connect the Charge hose firmly.
Coupler socket
Valve
state
during refrigerant
charging
charging
close
Coupler plug
(one-touch type)
(one-touch type)
Coupler Socket
HFC-134a
Valve
state
during refrigerant charging
open
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