5 | Startup Checklists |
|
|
5-1 Introduction
Important!
These lists assume the installation information in this manual has been read and followed.
Have new chillers started up and checked by a qualified refrigeration service technician.
Sterling offers factory startup for SCW Series chilling stations.
Call the Sterling Service Department at 1 (800)
5-2 Water-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 be 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 on the chiller must be open.
;Be sure the pump tank and chilled water circuit are filled with a water/glycol mixture that provides freeze protection to 20°F (12ºC) below the leaving water temperature you want.
;Complete the tower or city condenser WATER IN and WATER OUT connections. Provide an adequate condenser water supply; 2 gpm per ton for city water or 3 gpm per ton for tower water operation.
;Remove all tools, foreign matter and debris from the pump tank reservoir and piping.
Page 34 of 77 | SCW Series Central Chilling Stations |
