TM 9-4120-398-14
NOMENCLATURE
FUNCTION
LOCATION
High Pressure
Protects from
In refrigerant
excessive refri
high side line
Cutout
gerant pressure.
manifold
High Temperature
Protects from
Above heating
excessive temp-
element on evap-
Cutout
orator coil top
eratures from
auxiliary heater.
plate (figure
5-10).
Switch opens
Compressor
Integral within
Overload
from excessive
compressor.
compressor temp-
erature.
Integral within
Switch opens from
compressor
excessive compres-
compressor.
Thermal cutout
sor temperature.
Imbedded in
Switch opens from
excessive conden-
condenser fan
Fan Thermal
motor.
ser fan motor
cutout
temperature.
Imbedded in
Evaporator
Switch opens
from excessive
evaporator fan
Fan Thermal
motor.
cutout
evaporator fan
motor temp-
erature.
Fusible Plug
Plug element melts
In refrigerant
high side line
at predetermined
temperature
manifold
relieving refrig-
erant pressure.
NOTE 1. Allow time for controls to cool and reset. The compressor
overload may require as long as 1 hour to reset.
