TECHNICAL PRINCIPALS OF OPERATION

TM 9-4120-425-14&P

AIR CONDITIONER, COMPACT, HORIZONTAL,

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THEORY OF OPERATION - Continued

TECHNICAL PRINCIPALS OF OPERATION - Continued

Refrigeration Cycle Non-Cooling Continued

The desuperheat capillary tube (17) restricts the flow of high pressure liquid to the expansion valve (4) to the proper

amount to offset the high temperature of the gas from the hot bypass valve (11) to allow for cooling of the

compressor (1). This results in only superheated low pressure gas flow through the evaporator coil (2) with little or

no cooling effect.

The low pressure refrigerant gas is then drawn back through the accumulator (19) to the compressor (1) and the

cycle is repeated.

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