Read Panasonic NR-AF162SNAE / NR-AF162SNWG Service Manual online
2. PREPARATION
1. Remove Cover Protector from Compressor
2. Replace Starting Relay.
3. Replace Over Load Protector (OLP).
2. Replace Starting Relay.
3. Replace Over Load Protector (OLP).
3. DISCHARGING THE REFRIGERANT
4. REMOVING THE COMPRESSOR
1.
2.
3.
5. MEMERIKSA OLI COMPRESSOR
CHECKING THE COMPRESSOR OIL
1.
2.
Note:
3.
4.
6. PURGING THE PIPE IN THE REFRIGERATING UNIT
Note:
1. For purging the pipe, use HFC-134a as liquid state only.
2. Standard of purging the pipe
a
b Continue to purge the pipe until no stained liquid come out.
c All pipes except for compressor and dryer should be cleaned by purging.
c All pipes except for compressor and dryer should be cleaned by purging.
Tilt the compressor slowly and let a little oil
(approx. 10 ml) flow out from the charge
pipe.
(approx. 10 ml) flow out from the charge
pipe.
In case of clog caused by solid substance,
when compressor oil has no discoloration
(light yellow) the compressor is installed
as it was. So don't collect the oil more
than approx. 10 ml. Otherwise it may
cause a malfunction.
when compressor oil has no discoloration
(light yellow) the compressor is installed
as it was. So don't collect the oil more
than approx. 10 ml. Otherwise it may
cause a malfunction.
According to "Diagnosing standard" of the
degree of the case of discoloration of the
oil.
degree of the case of discoloration of the
oil.
Purging the pipe is necessary when compressor oil deteriorates severely and when
compressor oil contains impurity.
compressor oil contains impurity.
The treatment of the case should be
decided by " Repairing Standard of HFC-
134a Refrigerating Unit".
decided by " Repairing Standard of HFC-
134a Refrigerating Unit".
Never use cleaning liquid which contain chlorine and blowing agent such CFC-12,
HCFC-22, CFC-113, HCFC-141b and R-502.
HCFC-22, CFC-113, HCFC-141b and R-502.
Prepare a clean vinyl bag (enclosed in the
compressor part case ) for the oil.
compressor part case ) for the oil.
Cut the compreesor sharge pipe and
capillary pipe near Dryer to discharge
Refrigerant.
capillary pipe near Dryer to discharge
Refrigerant.
Disconnect the Suction pipe from the
compressor with brazing
compressor with brazing
Disconnect the discharge pipe from the
compressor with brazing.
compressor with brazing.
Remove the Compressor.
Suction pipe
Compressor
Discharge Pipe
Dryer
-13-
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