TC 120
682.98767.00 • 10/04/2018
20
ACS offers a complete line of water treatment equipment. Contact your ACS sales
representative for water testing and treatment options.
Distilled Water
Non-ferrous (brass, copper or high-temperature plastic) piping is recommended for distilled
water processes.
Deionized Water
Stainless steel (316 SS minimum) or PVC plastic components must be used with deionized
water. Stainless steel is recommended because of the temperature constraints with plastic.
3-7 Making Process Water Connections
Closed Circuit/Direct Injection
For both types of systems, the connections are basically the same. On the back of each unit,
the connections are labeled appropriately. Connect the
DELIVERY
hookup to the entrance of
the process and the
RETURN
hookup to the exit of the process. Connect the
WATER
SUPPLY
to your plant water supply. Connect the
DRAIN
line to an open drain, or to the
return line of your central water system.
Make sure you carefully select the connecting lines and connectors between the
temperature control unit and the process to suit the needs and requirements of your
application.
If your unit has a maximum operating temperature of 250ºF (121ºC), the connecting
lines and connectors should have a service rating of at least 250ºF (121ºC) and 150 psig
(1,030 kPa/10.3 bar). If it has a maximum temperature of 300ºF (149ºC), the lines and
connectors should have a service rating of at least 300ºF (149ºC) and 150 psig (1,030
kPa/10.3 bar).
TO PROCESS — 1½” NPT
This is the outlet for the tempered water leading to the process being controlled.
FROM PROCESS — 1½” NPT
Water from the process re-enters the water temperature control system to be tempered and re-
circulated back into the process.
3-8 Making Cooling Water Connections
Water In — ¾”
The cooling water supply inlet from a cooling tower, a chiller, or a city water supply.