York Single Package Cooling Unit ZE060E05B2A1ABA1E1

Check for proper compressor rotation

Inspect electrical connection for misphasing

Change the phasing of the Field Line Connection if necessary

Verify scroll compressor operation

Compare suction and discharge pressures

Ensure proper supply air blower rotation

Clean all piping of dirt and scale by hammering on the outside of the pipe.

Blow out loose particles from the piping.

Have all gas lines external to the unit been purged of air?

Loosen six nuts (top and bottom) A

Ensure nuts (C) are not loosened

Use belt tension checker to apply a perpendicular force to one belt at the midpoint of the span

Enter the deflection distance obtained

Use a straight edge from sheave to sheave as reference line to determine the deflection distance from normal position

Record the recommended deflection force for the belt section

Check the belt tension at least two times during the first 24 hours of operation

Check that all filters are in place and clean

Clean the filters if they are dirty

Do the filters need replacement?

Replace filters with the same size and type

Ensure filters are installed ahead of evaporator coil

Inspect the unit for possible damage during transit

Is there any evident damage on the unit?

Note the extent of the damage on the carrier’s freight bill

Request inspection by the carrier’s agent in writing

Ensure installation complies with all applicable codes