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LMI Technologies Liquitron DC4000 Series User Manual

LMI Technologies Liquitron DC4000 Series
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30
4.0 Start-Up
4.1 Cooling Tower Installation
The DC4000 Series of conductivity controller should be installed based upon the recommended system diagram below.
A bypass loop for open recirculating water systems is the best method of conductivity monitoring and control.
The conductivity sensing electrode used with the conductivity controller must receive an active representative sample
of system water. The electrode should be installed so that it is removed horizontally from its mounting tee. Water ow
should enter from the bottom of the conductivity tee and exit out the top. This type of installation insures that the elec-
trode tee is full of water whenever system ow is on and that the probe is fully emersed. This prevents the electrode
from becoming air bound.
System shut off/isolation valves are recommended for installation on either side of the conductivity sensing electrode.
This allows for ease of system isolation and electrode removal. A sample cock valve and a stainer are recommended to
allow for periodic water sampling and water ltering.
Injection of required water treatment chemicals can be effected directly into the bypass line. When chemicals are injected
into the bypass line, they should be downstream of the conductivity sensing electrode to avoid interference with readings.
An installed ow switch is recommended for the bypass line to allow for disabling of controller/pump operation during
system maintenance or repair.
Figure 6: Cooling Tower Installation Diagram
(866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com

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LMI Technologies Liquitron DC4000 Series Specifications

General IconGeneral
BrandLMI Technologies
ModelLiquitron DC4000 Series
CategoryController
LanguageEnglish

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