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Methods of Operation
Adiabatic Operation
As illustrated in Figure 1, when the unit operates in adiabatic mode, either the make-up water connection or the recirculation
pumps supply water over the adiabatic pre-cooler pads. Incoming air is humidified as it passes through the adiabatic pre-cooler
pads, cooling the air down close to the ambient wet bulb temperature. This cooled air passes over the coil and cools the
process fluid in the coil, which returns to the system. In the sump, pumps recirculate the water back over the pads. Part of the
recirculated water is evaporated while the excess water assists in rinsing the adiabatic pre-cooler pads. The unit controls
determine when the water is purged from the sump and new make-up water enters.
Figure 1. Adiabatic Operation
TrilliumSeries™ Adiabatic Cooler - TRF Operation & Maintenance Manual – General Information
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