Use and Care Manual

5
To Set Target Temperature
Press and release the SET button. Display will show the current
temperature setpoint.
To Change Setpoint Temperature
1. Press and hold the SET button until the display shows the
current setpoint temperature with the “F” flashing.
2. Use the UP and DOWN arrow button to scroll to the desired
temperature.
Dual-Zone Temperature Scale
To change F to C, press and hold the down arrow for 3 seconds.
To Start A Manual Defrost (GRFR24 Only)
To Start A Manual Defrost (Freezer Models Only)
To See Maximum Stored Temperature
Press the UP arrow button to see the maximum stored temperature.
To reset the maximum stored temperature, while displayed, press and
hold the SET button until ‘rst’ flashes in the display.
To See Minimum Stored Temperature
Press the DOWN arrow button to see the minimum stored temperature.
To reset the minimum stored temperature, while displayed, press and
hold the SET button until ‘rst’ flashes in the display.
Dual - Zone Units
Model Range (F)
GRFR24 Upper 30° - 42°F / Lower -10° - 10°F
GRWS_24 / GRWG_24 Upper 45° - 65°F / Lower 30° - 42°F
LED FUNCTIONS
The following table describes LED functions
LED Mode Function
ON Compressor is on
Flashing Anti-short cycle
delay is on
ON Defrost is on
ON Alarm is on
Flashing You are in the process of
programming the unit
3. Use the UP or DOWN arrow key to scroll to the desired
temperature. The controller will memorize the new temperature.
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HESTAN OUTDOOR REFRIGERATION USE AND CARE MANUAL
NOTE: Dependent on the model and configuration, the controllers
have been programmed to only allow a lower compartment
temperature adjustment range as specified within the chart below.
The upper compartment range is not limited, but should always be
kept within the specified range shown in the table for the upper
compartment. See the chart below for the specified range allowed
for your unit.
Press and hold the DEFROST button (melting snowflake) for
3-5 seconds. Melting snowflake will illuminate.
Single - Zone Control Instructions
ON / OFF
Press the ON/OFF button to turn the unit on or off.
Press the DEFROST button (melting snowflake)
NOTE: Dependent on the model and configuration, the
controllers have been programmed to only allow a temperature
adjustment within the specified range. See the chart below for
the specified range allowed for your unit.
Model Min Temp Set Max Temp Set
GRS_24 33° F 42° F
Single - Zone Units