BRYANT Gas Heat Rooftop Package 581JP20M

Shut off the gas using the manual shutoff switch located in the gas supply line

Turn the gas valve ON/OFF knob to the OFF position

Shut off power to the unit and install a lockout tag

Disconnect the gas piping at the unit gas valve

Remove the wires connected to the gas valve

Mark each wire to assist in reconnecting power to the gas valve

Remove the igniter wires and sensor wires at the Integrated Gas Unit Controller (IGC)

Remove the 2 screws that attach the burner rack to the vestibule plate

Slide the burner tray out of the unit

Economizer or Outside Air Damper Inspection

Check the following components for proper condition

Motor and Jack Bolt Preparation

Loosen the four motor mounting nuts that attach the motor to the blower rail.

Loosen the two jack bolt locking nuts beneath the motor mounting plate.

Turn the jack bolt locking nut counterclockwise to loosen.

Turn the jack bolts counterclockwise to loosen and clockwise to tighten.

Adjust the V−belt for proper tension.

Make sure the fan shaft and motor shaft are parallel before tightening the motor mount nuts.

Hold the test magnet where indicated on the side of the sensor housing for seven seconds.

Verify that the sensor’s Alarm LED turns on.

Reset the sensor by holding the test magnet against the sensor housing for two seconds.

Verify that the sensor’s Alarm LED turns off.

Recover all refrigerant from the system using a Puron (R410) gauge set

Remove the filter drier from the line using a tubing cutter

Do not use a torch to remove the old filter drier

Install a new replacement filter drier into the refrigerant line

Re-charge the refrigerant system

Check that all tools are accounted for

Verify that the system is operating correctly after replacement

Describe any issues encountered during the procedure