TrilliumSeries™ Adiabatic
Cooler - TRF Operation & Maintenance Manual
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Component Information & Maintenance
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Scaling and Fouling
Airborne debris is caught by the adiabatic pre-cooler pads, which act as air filters and protect the heat exchanger coil from
fouling. During adiabatic mode of operation, the pads are rinsed by the recirculating water. The debris that is rinsed from the
pads drains with the excess water. The adiabatic pre-cooler pads should be inspected monthly for the following:
•
Signs of excessive fouling and scaling
•
To ensure full and even wetting of the face area, while in adiabatic mode of operation
To maintain the adiabatic pre-cooler pads, enable the self-clean cycle for daily cleaning operation. Refer to section
Page 61
for more details. If excessive dust, debris, scale, etc. has accumulated on the adiabatic pre-
cooler pads, it is recommended to wash the pads by removing them from the unit and rinsing them using a standard garden
hose at a downward angle. Continue rinsing until water flows freely to the other side. Never use a brush or a high-pressure
hose for cleaning the adiabatic pre-cooler pads. Scale may deposit when the pads dry at the end of each adiabatic cycle. The
rate of scaling will depend on:
•
The number of adiabatic mode starts and stops
•
Water quality
o
To reduce the amount of scaling on the adiabatic pre-cooler pads due to poor water quality, set a lower
cycles of concentration drain value. Refer to the
Page 54
for more
information.
•
Poor air quality and airborne debris.
