York Single Package Cooling Unit ZD-A6C00A2A1AAA1A1

Use special pipe dope for assembling pipes

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

Blow out loose particles from the pipe

Ensure all gas lines external to the unit have been purged of air

Open the main shut-off valve to admit normal gas pressure to the mains.

Check all joints for leaks using a soap solution or other suitable material.

Was a commercially available soap solution used for leak detection?

Loosen six nuts (top and bottom) A

Ensure nuts (C) are not loosened

Measure deflection distance using belt tension checker

Determine deflection distance from normal position

Re-tighten nuts (A) after adjusting

Check that all filters are in place and clean

Are the filters clean and in good condition?

Inspect evaporator coil for any signs of frost or dirt accumulation

Do the filters need replacement?

Replace filters with the same size and type

Ensure filters are properly installed before operating the unit

Inspect the unit for possible damage during transit.

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

Request inspection by the carrier’s agent in writing.

Ensure installation complies with enclosed instructions and applicable codes.

Is the furnace disconnected from the gas supply piping system?