114 RTAA-SVX01A-EN
Unit Shutdown Procedures
CAUTION
Proper Water Treatment!
The use of untreated or improperly treated water in a RTAA may
result in scaling, erosion, corrosion, algae or slime. It is
recommended that the services of a qualified water treatment
specialist be engaged to determine what water treatment, if any,
is required. Trane assumes no responsibility for equipment
failures which result from untreated or improperly treated water,
or saline or brackish water.
6. Close the fused-disconnect switch that provides power to the chilled
water pump.
7. Start the chilled water pump and, while chilled water is circulating,
inspect all piping for leakage. Make any necessary repairs before starting
the unit.
8. While the chilled water is circulating, adjust the chilled water flow and
check the chilled water pressure drop through the evaporator. Refer to
“Water System Flow Rates” and “Water System Pressure Drop”.
9. Adjust the flow switch on the evaporator piping (if installed) for proper
operation.
10. Stop the chilled water pump. The unit is now ready for start-up as
described in “Start-Up Procedures”.
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