Panasonic NR-B203G-S7 Service Manual page 12

Check pressure at High Pressure side
1. Install Pierching Plier with Pressure Gauge at Discharge near Compressor, then check pressure from
compressor running. If Compressor stop, start compressor again about ± 5 minute until stabile pressure,
then check pressure
Note:
a. Before measuring, make sure the Pressure Gauge at " 0 " position. If not at " 0 " position, adjust
the Screw at Pressure Gauge.
b. Keep the gap from Pierching Plier about ± 4mm by adjust Screw at Pierching Plier.
Compressor
Discharge
2. Suitable pressure measurement, next action is:
A. Gas Leakage ( A area / B area ) .................Can not repair
Before release Pressure Gauge, catch poit (1) dan (2) with Pierching Plier. After Pressure Gauge
released, take Pierching Plier and cut point (3) and (4), then close again all pipe. This action for keep
the smell gas loose at atmosphere (HFC-134a will chemically reaction ).
B. Compression not perfect and clogged by solid substance ( C area )
Switch off theCompressorn then cut Capillary pipe ± 35 mm from Dryer out line. This action for
protect if clogged at Cooling Unit by refrigerant HFC-134a, then solid substance will collect about ±
35 mm around Dryer out line.
Joint Suction
Drye
-11-
18
16
Area A
14
12
10
8
6
4
2
Area B
0
-1
0 5 10 20
15
Sorrounding Temperatur [
Normal
Area C
30 35
25
o
C ]