B
EFORE
S
TARTING
UGH017/0500
Series 1 Portable Chillers, PLC Control
O
PERATION
4-3
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:
●
Checking electrical connections
●
Checking process fluid level in the pump tank
●
Checking the condenser coil for debris
(air-cooled
only)
●
Verifying pump discharge pressure
●
Inspecting piping for leaks
.
NOTE: The daily, weekly, monthly, and semi-annual mainte-
nance procedures are detailed in the Maintenance section. Go
there for the detailed maintenance descriptions.
Before starting the Chiller be sure to:
●
Open the To Process connection
to the full open position.
●
Open the From Process connection
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.
From Process
connection
To Process
connection