Warning – Carrier 58HDX User Manual

Page 5

CELL PANEL

BURNERS

BURNER BOX

MANIFOLD

GAS VALVE

A07826

Fig. 4 -- Burner Box Assembly

4. Remove wires from gas valve. Note location for reassembly.
5. Unplug igniter from harness.
6. Remove screws that secure manifold to burner box.

(See Fig. 4.)

NOTE: Do not remove burner box from cell panel.

7. Remove manifold, orifices, and gas valve as 1 assembly.
8. Remove screws attaching burner assembly in burner box.

NOTE: Use care when removing and reinstalling burners not to
strike the hot surface igniter.

9. Remove burner assembly from burner box.

NOTE: All burners are attached to burner bracket and can be
removed as 1 assembly.

10. Clean burners with soft brush and vacuum.
11. Reinstall manifold, orifice, and gas valve assembly in

burner box. Ensure burners fit over orifices.

ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury

or death.
Igniter wires must be securely placed in slot in manifold

grommet or else they could become pinched or severed and

electrically shorted.

WARNING

12. Reconnect wires to gas valve and igniter. Refer to furnace

wiring diagram for proper wire location.

13. Reinstall gas supply pipe to furnace gas control valve using

backup wrench on gas valve to prevent rotation and

improper orientation.

NOTE: Use propane gas resistant pipe dope to prevent gas leaks.
DO NOT use Teflon tape.

FIRE, EXPLOSION, UNIT DAMAGE HAZARD
Failure to follow this warning could result in property damage,

personal injury, or death.
Gas valve switch MUST be facing forward or tilted upward.

WARNING

14. Turn on gas and electrical supplies to furnace.

FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings could result in personal

injury, death, or property damage.
Never test for gas leaks with an open flame. Use a

commercially available soap solution made specifically for the

detection of leaks to check all connections.

WARNING

15. Check for gas leaks.
16. Replace main furnace door.

PRIMARY HX

INLET OPENINGS

A07827

Fig. 5 -- Cleaning Inlet Openings of Primary Heat Exchangers

58H