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Sump Drain Valve
The sump drain valve is normally open (fail open). The sump drain valve can be accessed from underneath the unit as shown
in Figure 14 or via the sump drain valve access cover shown in Figure 11. The sump drain valve access cover is secured with
plastic knobs. Always ensure the plastic knobs are reinstalled after replacing the sump drain valve access cover. This device is
not adjustable and does not have any service or maintenance requirements.
Figure 14. Sump drain valve viewed from underneath the unit
TrilliumSeries™ Adiabatic Cooler - TRF Operation & Maintenance Manual – Component Information & Maintenance
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