Series 1 Portable Chillers, PLC Control
UGH017/0500
4-12
O
PERATION
To set the percent ethylene glycol or propylene glycol solution
determine the desired temperature of the process fluid leaving
the chiller.
Use water as the coolant for a setpoint temperature of the
process fluid down to 40 °F (4 °C). Below 40 °F and down to
20 °F (-7 °C), a glycol solution is required.
Use the table to choose the proper percentage of glycol solu-
tion for the required temperature.
S
ETTING
P
ERCENT
G
LYCOL
NOTE: If you are using
water as the coolant, set
the Percent Glycol to
zero on the control.
STATUS SETUP RUN ALM
press arrow
This screen is password
protected. You must
have clearance to enter
and change this setting.
Temperature of Process Fluid
°
F
Gl
ycol,
%
b
y
V
o
lume
After choosing the desired setpoint temperature, mix the gly-
col solution to the proper percentage and fill the chiller
according to the directions in Filling with Glycol Coolant, in
the Installation section.
Program the percentage glycol solution into the control. From
the main screen:
Press the Setup arrow.
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