HeatWater.com | WaterService@nyle.com | (800) 777-6953 | Rev. IM-E360-060523
Pre-Startup Checklist
47
Water and Piping Checks:
Exterior water piping is insulated, freeze protected, pitched toward drain
points.
All water piping has been pressure tested and verified leak free.
All water piping has been filled with water and actively purged of air.
Pressure relief valves are piped to the floor, drain, or reservoir as per local
codes.
Water quality has been determined to be acceptable for operation and
potable use.
Verify tank temperature probe, if present, is installed 10-12” minimum above
cold water inlet in primary storage tank, and has at least the minimum cycle
volume between it and the heat pump’s inlet pipe.
Condensate Management Checks:
Exterior condensate piping is insulated, freeze protected, pitched toward
drain points.
Pour several gallons of water slowly into the condensate pan, and verify the
drain is clear and operational.
Condensate pump, if used, is plugged in and operational.
Exterior louvers and connecting ductwork will limit moisture intrusion, and
drain in or out for what moisture does intrude.
Air and Ducting Checks:
Ducting, cowl, or plenums are secured to the unit, sealed, and insulated as
appropriate.
Ducting, if present, is complete, insulated, and connected to terminal
grilles/louvers.
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