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Simplified Air Conditioning
System
The following illustration depicts
a simplified system divided into three parts and named
for descriptive purposes:
HIGH SIDE -
The discharge side of the compressor through the hottest half
of the condenser.
LIQUID LINE
SIDE - From the
coolest half of the condenser through the orifice
tube or expansion valve.
LOW SIDE - From the
orifice tube or expansion valve to the suction side of
the compressor. Including the evaporator.
Compressor
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High Side
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Condenser
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Low Side
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Evaporator
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Liquid Line Side
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Expansion Valve
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Each section of the system has a
different temperature and pressure.
Description Temperature Pressure
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Description |
Temperature |
Pressure |
| High Side |
High |
High |
| Liquid Line Side |
Moderate |
High |
| Low Side |
Low |
Low |
The highest pressures are on the
high side and the liquid line side. The highest temperature
is on the high side. Note that the temperature drops after the liquid
goes through the condenser.
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