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The merchandiser must be plugged into a 115 volt, 60 HZ grounded receptacle electrical outlet with a
circuit fuse or breaker. (See figure 1). The condensing unit data plate will indicate the maximum
fuse/breaker size. DO NOT use extension cords. Extension cords may decrease the voltage to the unit and
ultimately cause the compressor to fail.
NOTE: Some outdoor locations require ground fault interrupt (GFI) outlets. These outlets may trip
upon condensing unit start. Refrigeration equipment is exempt in some areas from GFI
requirements. Local electric codes should be checked.
Plug merchandiser power cord into lower receptacle of electrical outlet. The condensing unit will start, the
light will illuminate on glass door models, and unit cooler evaporator fans will start on Auto-Defrost
models. The condensing unit will continue to run until air temperature in cabinet is approximately +18° F.
If merchandiser has a condensate evaporator, plug evaporator power cord into upper receptacle of electrical
outlet and heater rod will heat.
2. Temperature Control: Cabinet temperature is maintained by cycling the condensing unit automatically
with a thermostat. On Auto-Defrost models, the thermostat is located on the left end of unit cooler cover.
On Cold Wall models, the thermostat is located on a bracket under the condensing unit cover. (The
thermostat for Low Profile Cold Wall models is located on bracket at upper rear interior).
The temperature is adjusted by turning the control knob. Turning the control knob fully counterclockwise
will shut off power to compressor. DO NOT readjusts the internal adjustments of the control without
consulting factory.