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Programming The Electronic High/Low Thermostat - HP A0554832 User Manual

2–40 hp portable chillers
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4-6

Programming the Electronic High/Low Thermostat

The thermostat control is located in the chiller enclosure. The control has three control keys
and a one-line, four-character LCD display.
The thermostat control has a lockout slide switch to prevent tampering by unauthorized
personnel. The switch is located on the inside cover of the thermostat. The keypad is disabled
when the switch is moved to the left in the "Lock" position. The keypad functions normally
when the switch is moved to the right in the "Unlock" position. All chillers are shipped with
the switch in the "Lock" position.
Thermostat Buttons
Indicator
SET
2-40 HP Portable Chillers
Name
Description
Set Button
The Set button is used to enter the programming
mode for the thermostat.
Up Arrow button
Each press of the Down Arrow key decrements or
reduces values or settings on the display
Down Arrow
Each press of the Up Arrow key increments or
button
advances the values or settings on the display.
Chapter 4: Operation
36 of 78

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