York Single Package Air Conditioner ZT061S00A2A1AAA1A1

Check that all filters are in place

Clean the filters if they are dirty

Replace filters if cleaning is not possible

Ensure filters are installed ahead of evaporator coil

Verify that the correct number and size of filters are installed

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 complies with enclosed instructions and applicable codes.

Is the furnace and its shut-off valve disconnected from the gas supply piping system?

Close main manual shut-off valve

Open the union fitting upstream of the unit gas valve and downstream from the main manual shut-off valve

Remove screws holding each end of the manifold to the manifold supports

Disconnect wiring to the gas valve

Remove the manifold & gas valve assembly

Inspect orifices for wear or damage

Verify that the unit is properly phased at the factory.

Is the blower rotating in the correct direction?

Is the compressor rotating in the correct direction?

Measure the amperage of the scroll compressor.

Are the suction and discharge pressures normal?

Is the noise level of the scroll compressor normal?

Gas Connection and Pressure Check

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.