P
ROGRAMMING
S
ETTINGS
Series 1 Portable Chillers, PLC Control
UGH017/0500
4-8
O
PERATION
Press the Up and Down Scroll arrows to
scroll through the Setup screens. Stop at the one you want
to change.
The PLC control allows you to program various parameters
for the Chiller:
●
Temperature Setpoint
The desired To Process fluid temperature.
●
Auto Tune PID
Helps maintain the setpoint temperature without over-
shooting.
●
High Temperature Deviation
Set the number of degrees the temperature can rise
above the setpoint temperature without an alarm.
●
Percent Glycol by Volume
Use when you use an ethylene glycol or propylene gly-
col solution to lower the To Process temperature.
Changing the percent glycol automatically changes and
displays the low temperature cutout, in °F.
●
Fans
(Air-cooled only)
Set the upper and lower pressure setpoints (in PSI) for
the fans to cycle. This screen is password protected.
●
Maintenance
View times for compressor cycle, pump run time,
pump cycle and hot gas bypass cycle. These screens
are password protected.
To program settings from the Main screen:
Press the Setup arrow.
The first Setup screen displays:
2
STATUS SETUP RUN ALM
press arrow
Temperature
45 F
Setpoint
45 F
1
If you do not need to change
any settings on the control,
go to Running the Chiller.
