Nor-lake Ice Cream Hardening & Holding Cabinets Models User Manual download pdf (Page 9)

151555 Rev. A 07/12

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ELECTRONIC REFRIGERATION CONTROL

Compressor

When power is first turned on to the control, the controller will go through the start-up delay. After a

one- minute delay, the compressor comes on. The LED for cooling indicator stays on while

compressor relay is energized. Display will show actual box temperature. Picture above is the display

layout. The compressor will be cycled off when the actual box temperature reaches its set point. The

cooling indicator will be off.

Fan

The fans will run constantly except when a defrost is initiated or when the evaporator temp is above

the 35°F. When in defrost mode, the fan is off until the end of the defrost and the 2 minute drip time

has passed. There is 2 minutes delay after a defrost before the fan comes on. If the Evaporator

temperature is 35°F or below the controller will override the fan delay. FAN indicator is on while FAN

relay is energized.

Defrost

The control uses time defrost with four defrosts per day. The defrost scheme can be re-set for special

applications. During defrost, the display will show dEF and the defrost indicator on. The control begins

timing the defrost when power is turned on. Four defrosts per day means it will occur every six hours.

To have defrost occur at 8am, 2pm, 8pm, and 2am then power up at one of these four times.

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Nor-lake Ice Cream Hardening & Holding Cabinets Models User Manual Page 9