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P/N 550005663 - is used on all Air Defrost model evaporators and features a built in Air Defrost time clock. The default defrost
settings are every 6 hours for 30 minutes. See pages 20-21 for default and custom defrost setting instructions.
P/N 550005664 - is used on all Electric defrost model evaporators. See page 22 for Electric Defrost Timer setting instructions.
NOTE: The 550005664 display will be blank during the electric defrost cycle.
• Access Setpoint mode by pressing and holding the button until
ts (Temperature setpoint) displays on the screen
• Use the up and down arrows to scroll through the available setpoints
• Press to view the current setting
• Use the up and down arrows to change the setpoint
• Press and hold the button to confirm each setpoint change
• Press the button to escape
Setpoints
tS = Temperature setpoint
diF = Differential
CSH = Maximum compressor starts/stops
dPd = Defrost per day
tod = time of day ( only used when custom defrost is selected)
dFt = Defrost time
HAO = High Alarm Offset
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