Refrigerator Temperature Control - Delfield McDonald's 400 Series Original User Manual

Refrigerator Temperature Control Operation
After the unit is connected to power it will automatically
begin operating. With the doors closed, the temperature
of the cabinet should reach 36°F to 40°F (2°C to 4°C) on
refrigerators in about one hour.
A thermostat located in the evaporator housing on interior
rear of the unit, controls the temperature in the box.
The factory setting for the control is "4" and maintains
about 38°F (3°C) in the box. Set toward "1" for higher
temperatures and toward "7" for lower temperatures.
Continuous opening and closing of the doors will hamper the
unit's ability to maintain optimum refrigeration temperature.
Refrigerators defrost automatically with every cycle of the
compressor. The water generated is routed to a pan on the
rear of the unit and is evaporated by the heat given off by
the compressor.
Evaporator Fan Operation
400 Refrigerator
400 Freezer
4000 Refrigerator
4000 Freezer
Cooling Cycle
Compressor On
Evap Fan Evap Fan Evap Fan
On Off
X
X
X
X
For factory assistance, call
888-436-5442
or 989-773-7981
Fax 888-779-2040
www.delfield.com
Delfield
™
Service Alert
During normal operation the evaporator fan may cycle
and/or pulse independently of the compressor. Consult
the service manual or contact Technical Support at
1-800-733-8829 if you are unsure of the proper function.
Compressor Off Compressor Off
Evap Fan Evap Fan
On Off On
X X
X
X X
X
®
Defrost Cycle
Evap Fan
Off
X
X
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