Part number 20219, Rev 0
9
Hysteresis is set at 3, then the compressor will cycle from 3 to 6 degrees Celsius. To change
this value, press SET and DOWN keys for 3 seconds to enter programming mode. “Hy” will
display meaning Hysteresis. Press Set again and the current value will be displayed. Use the
UP and/or DOWN arrow keys to adjust the value and press SET again to lock it in. Press SET
and UP to return to Operating Mode.
Adjusting other User Adjustable settings:
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To change between Celsius and Fahrenheit scales, press SET and DOWN keys for 3 seconds
to enter programming mode. “Hy” will display. Press the UP or DOWN keys several times to
cycle through the parameters until “CF” is displayed. Press SET to display the current setting
(either C for Celsius or F for Fahrenheit). Use the UP or DOWN key to choose the desired
setting. Press SET again to lock it in. Press SET and UP to return to Operating Mode.
To change the Hi or Low Alarm set points, press SET and DOWN keys for 3 seconds to enter
programming mode. “Hy” will display. Press the UP or DOWN keys several times to cycle
through the parameters until “ALU” for Alarm Upper (High Temperature Alarm) or ALL for
Alarm Lower (Low Temperature Alarm) is displayed. Press SET to display the current value.
Use the UP and/or DOWN key to choose the desired value. Press SET again to lock it in.
Press SET and UP to return to Operating Mode.
