TM 9-4110-256-14
1-11.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
1
CONTROL BOX ASSEMBLY. Houses the automatic and manual electrical control components as well as
system monitoring gages.
2
EVAPORATOR COIL. Absorbs heat from the air being circulated through the refrigerator enclosure
causing the low pressure liquid refrigerant in the coil to evaporate.
3
COMPRESSOR. Moves the refrigerant through the refrigeration system by raising the pressure of the
incoming gas from the evaporator coil and discharging it as a high pressure gas.
4
CONDENSER COIL. Releases heat from the high pressure gas coming from the compressor causing the
gas to condense into a high pressure liquid.
5
AC MOTOR. Drives the air handling components.
6
EVAPORATOR FAN. Circulates air through the refrigerator and across the evaporator coil.
7
CONDENSER FAN. Circulates ambient, outside air across the condenser coil.
8
DUAL PRESSURE CONTROL SWITCH. Provides over/under pressure protection for the refrigeration
system. The switch has a manual reset for overpressure conditions.
9
DIFFERENTIAL OIL PRESSURE SWITCH. Provides protection against loss of lubricating oil in the
compressor. The switch has a manual reset for low oil conditions.
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