 Electric
Water Level Control
EVAPCO closed circuit coolers are available with an optional electric
water level control system in place of the standard mechanical makeup
valve and float assembly. This package provides very accurate control
for the basin water level and does not require field adjustment, even
under varying operating conditions.
The
control was designed by EVAPCO and is manufactured exclusively for EVAPCO.
It consists of multiple heavy duty stainless steel electrodes. These
electrodes are mounted external to the unit in a vertical stand pipe.
For winter operation, the stand pipe must be wrapped with electric heating
cable and insulated to protect it from freezing.
The
weather protected slow closing solenoid valve(s) for the makeup water
connection is factory supplied and is ready for piping to a water supply
with a pressure between 25 and 50 psig (138 kPa and 345 kPa).
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The
standard design of the EVAPCO ESWA provides the customer with the most
efficient and easiest Closed Circuit Cooler to maintain in the industry.
There are additional options which can make maintenance easier, extend
the life, or enhance the performance capabilities of the Closed Circuit
Cooler. These options are listed below.