pre-startup
Installation requirements
Pre-Startup Checklist
Complete this checklist after installing the unit to verify all recommended installation procedures are complete before unit startup. This does not replace the detailed instructions in the appropriate sections of this manual. Always read the entire section carefully to become familiar with the procedures.
WARNING
Hazardous Voltage! Disconnect all electrical power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure power cannot be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury.
Receiving
Inspect unit and components for shipping damage. File damage claims immediately with the delivering carrier.
Check nameplate unit data so that it matches the sales order requirements.
Check unit for missing material. Look for
Unit Location
Ensure the unit location is adequate for unit dimensions, ductwork, piping, and electrical connections.
Ensure access and maintenance clearances around the unit are adequate. See the “Service Access” section.
Unit Mounting
Remove shipping brackets on the compressor assembly and supply fan.
Component Overview
Verify the fan and motor sheaves are aligned.
Check the belt tension for proper adjustment.
Ensure the fan rotates freely.
Tighten locking screws, bearing set screws and sheaves.
Ensure bearing locking collars do not wobble when rotated.
Ensure all air filters are properly installed with consideration of size and air flow.
Manually rotate the evaporator fan to ensure free movement. Verify that all of the fan mounting hardware is tight.
Ductwork
Verify that all ductwork conforms to NFPA 90A or 90B and all applicable local codes.
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