Samsung APH180HD, Service Manual

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7-4
Samsung Electronics
7-4 Refrigerating Cycle Block Diagram
Heat
exchanger
(Evaporator)
Gas side
3-way valve
3-way valve
Liquid side
Cooling
Gas leak check point
Heat
exchanger
(Condenser)
Heating
Capillary tube
Check valve
Compressor
4-way valve
Capillary tube
Refrigerating cycle temperature and pressure
* Amount of refilling per extension length of 1m;
When extending the pipe length by more than 5m, 40g of R-22 refrigerant should be refilled per
extension length of 1m.
Allowavle pipe length:Maximum 15m
Allowable pipe drop distance:Maximum 10m
Operating Condition
STD Pressure
(kg/cm 2 G)
(GAS SIDE)
Piping Temp. Use Temp. Condition (°C)
T1 T2
Indoor Outdoor
DB
27
32
21
20
27
20
40~45
50~55
30~35
32~36
36~40
28~32
4.5~5.5
6.5~7.5
3~4
18.5~20.5
-
-
Cooling
Heating
Standard
Max over load
Low temp
Standard
Max over load
Deice
9~12
14~18
1~4
65~75
70~80
40~45
19
23
16
-
-
-
35
43
21
7
21
2
24
26
16
6
16
1
WB WB DB
INDOOR UNIT OUTDOOR UNIT