AEC 2-40 HP Portable Chillers - Manual (Page 37)

2-40 HP Portable Chillers Chapter 4: Operation 36 of 78
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 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
button Each press of the Up Arrow key increments or
advances the values or settings on the display.
SET