Trane RTAC 140-400 ton units (50 HZ) User Manual
140
RTAC-SVX01F-EN
Pre-Start Checkout
CAUTION
Compressor Damage!
Compressor Damage!
It is imperative that L1, L2, L3 in the starter be connected in the A-B-C
phase sequence to prevent equipment damage due to reverse rotation.
phase sequence to prevent equipment damage due to reverse rotation.
5.
Fill the evaporator chilled water circuit. Vent the system while it is being filled.
Open the vents on the top of the evaporator waterbox while filling and close
when filling is completed.
Open the vents on the top of the evaporator waterbox while filling and close
when filling is completed.
CAUTION
Proper Water Treatment!
Proper Water Treatment!
The use of untreated or improperly treated water in the unit 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.
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.
CAUTION
Use Piping Strainers!
Use Piping Strainers!
To prevent evaporator damage, pipe strainers must be installed in the
water supplies to protect components from water born debris. Trane is
not responsible for equipment-only-damage caused by water born
debris.
water supplies to protect components from water born debris. Trane is
not responsible for equipment-only-damage caused by water born
debris.
6.
Close the fused-disconnect switch(es) that supplies power to the chilled water
pump starter.
pump starter.
7.
Start the chilled water pump to begin circulation of the water. Inspect all piping for
leakage and make any necessary repairs.
leakage and make any necessary repairs.
8.
With water circulating through the system, adjust water flow and check water
pressure drop through the evaporator.
pressure drop through the evaporator.
9.
Adjust the chilled water flow switch for proper operation.
10. Reapply power to complete procedures.
11. Prove all Interlock and Interconnecting Wiring Interlock and External as described
in the Electrical Installation section.
12. Check and set, as required, all CH530 menu items.
13. Stop the chilled water pump.
14. Energize compressor and oil separator heaters 24 hours prior to unit start-up.
Unit Voltage Power Supply
Voltage to the unit must meet the criteria given in the Installation-Electrical Section.
Measure each leg of the supply voltage at the unit's main power fused- disconnect. If
the measured voltage on any leg is not within specified range, notify the supplier of
the power and correct the situation before operating the unit.
Measure each leg of the supply voltage at the unit's main power fused- disconnect. If
the measured voltage on any leg is not within specified range, notify the supplier of
the power and correct the situation before operating the unit.