Technical information

BEFORE
STARTING
Before you start daily operation of the chiller, you need to
perform scheduled preventative maintenance. Necessary main-
tenance is describe in the Maintenance section of this Users
Guide.
WARNING: Electrical hazard
Be sure that power to the chiller is OFF when
doing any maintenance on the chiller. Follow all
safety rules when performing any maintenance
on this equipment.
Daily maintenance includes:
l Checking electrical connections
l Checking process fluid level in the pump tank
l Checking the condenser coil for debris (air-cooled
only)
l Verifying pump discharge pressure
l Inspecting piping for leaks.
Before starting the chiller be sure to:
l Open the To Process valve (Factory Optional)
to the full open position.
l Open the From Process valve (Factory Optional)
to the 3/4 open position. You will need to adjust this
valve when the chiller is running to obtain the desired
pump discharge pressure. To find the approximate
water flow, refer to the Pump Curves in Description
section.
l Open the supply valve
if the chiller has the optional Auto-fill reservoir.
To Process valve
(Factory Optional)
From Process valve
(Factory Optional)
You are ready to use your Chiller. Proceed to the steps for
your type of control: TIC or PLC.
4-4 OPERATION
Portable Chillers UGH024/1103
NOTE: The daily, weekly, monthly, and annual maintenance
procedures are detailed in the Maintenance section. Go there
for the detailed maintenance descriptions.