CW-C241SE - Panasonic Air Conditioner Service Manual (repair manual). Page 4

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CW-C241SE
– 3 –
* Indoor temp. at 27°C (DB), 19°C (WB) and
Outdoor at 35°C , 24°C.
REFRIGERATION CYCLE DIAGRAM
2
6
1
B
C
A
4
3
5
D
ITEM
PRESSURE (kg/cm
2
)
TEMP. (°C)
A
17.5 ~ 21.0
75 ~ 90
B
17.2 ~ 20.7
38 ~ 45
C
5.5 ~ 6.1
7 ~ 15
D
5.3 ~ 5.8
5 ~ 15
1
Compressor
2
Condenser
3
Strainer
4
Capillary Tube
5
Evaporator
6
Accumulator
AIR CONDITIONER PERFORMANCE EVALUATION
SUCTION & DISCHARGE AIR
CURRENT
DETERMINATION
REMEDY
TEMPERATURE DIFFERENCE
8°C and over
as specified
nothing wrong
• none
8°C and over
higher than specified
nothing wrong, outdoor
• improve heat radiation
temperature is too high, heat
radiation is not efficient.
under 8°C
higher than specified
something is preventing heat
• excessive amount of refrigerant
radiation
• improve heat radiation
under 8°C
lower than specified
leakage of refrigerant or
• locate repair leak
refrigerant system is blocked
• flush refrigeration cycle
under 8°C
higher than specified by 50%
compressor defect
• replace the compressor
* Note: Room air humidity is relatively higher, the Temp. difference will be smaller.
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