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Page 34 of 77 SCW Series Central Chilling Stations
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) 233-4819 for more details.
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.