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Strainer and Pump Maintenance
The strainer at the pump is sized to keep debris out of the water distribution system,
however if cleaning is necessary, both the pump and strainer can be cleaned during
adiabatic operation. However, before performing any maintenance on the pumps beyond
cleaning, cut the power to the pumps in the electrical panel first. Adiabatic operation can
be controlled through the controller’s maintenance menu.
The procedure is as follows:
• Open the access hatch.
• Lift the pump out of the strainer and remove it through the access hatch.
• Remove the strainer in the sump in order to clean it outside of the unit.
• Reinstall in the reverse order.
Figure 33. Remove Access Hatch (TSDC2 Shown)
Sump and Water Collection Gutters Maintenance
When performing the quarterly maintenance, the sump and water collection gutters should
be inspected and cleaned as sediment can collect during typical operation. Water is
collected in the Type 304 Stainless Steel sump and water collection gutters.
The procedure is as follows:
• Remove any trash or debris that my have accumulated in the sump, strainer, or water
collection gutters.
• Using a standard garden hose, flush the sump area and water collection gutters with
fresh water.
• When flushing the sump, remove the strainer(s) and pump(s).
• Be sure to clean the basin strainer(s) and strainer on the outside of the pump(s).
• Remove the Pre-Cooler Pads to inspect the water collection gutters.
• TSDC2 and TSDF2 Only: If necessary, the Pre-Cooler Pad supports located in the
water collection gutters can be removed by lifting the pieces out of the gutters. Note
the orientation of the arrows toward the sump for re-installation of the supports. See
Figure 35 for more detail.
Figure 34. Remove Pump (TSDC2 Shown)
DANGER: Do not perform any service
on or near the fans, motors, and
drives, without first ensuring that
the fans are disconnected, locked
out, and tagged out.
Access
Hatch
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