Set-up subject to change without notice. For packages not listed contact Dixie-Narco Factory
Service at (800) 688-9090. Page 70 of 72
REFRIGERATION CYCLE
WHAT DOES IT WHAT HAPPENS
The rising temperature in the vender Warms the temperature control bulb & the charge in
it.
The charge in the control bulb Expands in the control tube and stretches the
temperature control bellows.
The bellows Activates the temperature control switch.
The temperature control switch Turns the compressor motor on.
Turns the condenser fan motor on.
The compressor motor Drives the compressor.
The condenser fan motor Drives the condenser fan. Draws air through the
condenser, cooling it and pushes air over the
compressor cooling it.
The compressor Draws low pressure refrigerant gas from the
evaporator, compresses the gas, and pumps it to the
condenser.
The condenser Takes the heat out of the high pressure refrigerant
gas.
More hot gas coming from the compressor Pushes the liquid refrigerant into the capillary tube.
The capillary tube Controls the flow of liquid refrigerant into the
evaporator.
The evaporator (Where the pressure is kept low by the suction of the
compressor) Transfers heat from the air to liquid
refrigerant.
The liquid refrigerant Changes into gas at low pressure and is drawn into
the compressor.
The falling temperature in the vender Cools the temperature control bulb and the charge in
it to a pre-determined temperature.
The charge in the control bulb Shrinks & lets the temperature control bellows pull
back
The bellows Move and open the temperature control switch.
The temperature control switch Turns the compressor motor off.
Turns the condenser fan motor off.
The compressor Stops.
The condenser fan motor Stops.
(With the vender "Plugged In" the evaporator fan motor runs constantly)
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