York Single Package Air Conditioner ZT061E00A2A1AAA1A1

Check that all filters are in place

Replace filters if cleaning is not possible

Ensure filters are installed ahead of evaporator coil

Verify filters are of the correct size and type

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 perpendicular force at midpoint of belt span

Verify deflection distance is 4mm (5/32”)

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

Re-tighten nuts (A) after adjusting

Review installation for errors, leaks, or undesirable system effects

Is the current blower speed causing any undesirable effects?

Enter the existing datum diameter (DD)

Calculate the new datum diameter (DD) using the formula: (Required CFM/Measured CFM)*Existing DD

Inspect the unit for visible 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 instructions are followed

Is the furnace disconnected from the gas supply piping system?

Enter the pressure used for testing the gas supply piping system