7.Operate the chiller, looking for leaks and listening for unusual noises or vibrations that could indicate improper operation.
5-4 Remote Air-Cooled SCW Series Startup Checklist
;Check the shipping papers against the serial tag to be sure chiller size, type and voltage is correct for the process.
;Check the transformer primary voltage connections to be sure they are configured for the electrical power you are using.
;The voltage at the main power connection must read within plus or minus ten percent (±10%) of the voltage listed on the serial tag.
;Phase imbalance must be less than two percent (<2%).
;Electrical connections must conform to all applicable codes.
;Complete the chilled water TO PROCESS and FROM PROCESS connections.
;The optional or field installed chilled water supply and return valves must be open.
;Be sure the tank and chilled water circuit piping are filled with a water/glycol mixture. The water/glycol mix should provide freeze protection to 20°F below the leaving water temperature you’ve selected.
;The air cooled condenser should have an adequate supply of air for proper operation.
;Connect the main power to the unit and
;Remove all tools, foreign matter and debris from the pump tank reservoir and piping.
;Complete all piping leading to and from the pump tank. Observe all applicable codes.
;Complete all electrical wiring. Observe all applicable codes.
;Prepare all related equipment in the system for operation.
;Check for proper compressor rotation direction. To confirm proper rotation:
1. Connect a phase meter and phase incoming power ABC.
SCW Series Central Chilling Stations | Page 37 of 77 |
