HP 422690 I manual Accessories, Other Information Publications

??There must be no obvious signs of deterioration of the furnace. Inspection must include burners, pilot, heat exchanger, inducer pan, and draft inducer.

??Flame holders, located inside the main burners, should be free of lint or dirt. Burners can be cleaned with compressed air.

??Inspect all electrical wiring and connections, including electrical ground.

??Gas pipes must be checked for leaks using a commercial soap solution made to detect leaks.

??Main burners and pilot burner must be in good adjustment as shown in the User’s Information Manual. Main burner flame must be clear blue and centered within heat exchanger openings.

??Check furnace area for combustible materials, flammable liquid near furnace, corrosive materials, insulation material within 12 inches of furnace, and signs of high water levels.

??Inspect, clean, or repair as needed the following items: blower housing, blower motor, blower wheel, air filters, draft inducer, and cooling coil.

NOTE: Blower motor and inducer motor do not require oiling.

Follow these steps to remove blower assembly:

1.Turn off furnace electrical power.

2.Disconnect room thermostat wires from 24-voltterminal strip on Fan Timer.

3.Locate five blower motor wires that feed though casing hem.

4.Label blower motor wires for proper replacement.

5.Disconnect blower motor wires from Fan Timer. See Figure 22.

6.Remove 2 screws holding blower door in place. Remove blower door.

7.Pull blower motor wires through casing hem.

8.Remove power-disconnect assembly located in the middle of blower deck.

9.Remove 2 screws holding blower assembly to blower deck.

10.Slide blower assembly out.

11.After cleaning blower assembly, re-assemble in reverse order making sure speed selections are in original positions.

SECTION 24. ACCESSORIES

THERMOSTATS: These are quality thermostats with the Consolidated Industries name. Choose from the T87 (round w/subbase), T834 (heating and cooling) or the T8699 (Chronotherm III)--available in white only.

PROPANE CONVERSION KIT (BELOW 6,000 ft): Includes propane regulator-spring kit, propane pilot orifice and main

burner orifices.

HIGH-ALTITUDE PROPANE CONVERSION KIT (ABOVE 6,000 ft): Includes propane regulator-spring kit, propane pilot orifice, main burner orifices, and high-altitude pressure switch.

NATURAL GAS CONVERSION KIT (BELOW 6,000 ft): Includes natural gas regulator-spring kit, natural gas pilot orifice and main burner orifices.

HIGH-ALTITUDE NATURAL GAS CONVERSION KIT (ABOVE 6,000 ft): Includes natural gas regulator-spring kit, natural gas pilot orifice, main burner orifices and high- altitude pressure switch.

BOTTOM FILTER CABINET: Three sizes - one size for each furnace casing size.

SIDE FILTER CABINET: Attaches to either side of furnace. One size fits all.

BOTTOM CLOSURE: Seals bottom of furnace when only side return is used.

FILTERS: High-velocity washable filters, available in cartons of 10. Sizes include 16 x 25 x 1 and 20 x 25 x 1.

SECTION 25. OTHER

INFORMATION AND

PUBLICATIONS

These publications can help you install the furnace. You can usually find these at your local library or buy them directly from the publisher. Be sure to consult current edition of each standard.

National Fuel Gas Code		ANSI Z223.1/NFPA 54
Canadian Installation Codes		CAN/CGA B149
National Electrical Code		ANSI/NFPA Code 70
Canadian Electrical Code		CSA C22.1
Standard For The Installation		ASHRAE/NFPA 90
Of Warm Air Heating And Air
Conditioning Systems.
For more information, contact these publishers:
ANSI:	American National Standards Institute Inc.
	1430 Broadway
	New York, New York 10018
	(212) 642-4900
CSA:	Canadian Standards Association
	178 Rexdale Boulevard
	Rexdale, Ontario, Canada M9W 1R3
	(416) 447-4044
ASHRAE: American Society Of Heating Refrigeration And
	Air-Conditioning Engineers, Inc.
	1791 Tullie Circle N.E.
	Atlanta, GA 30329
	(404) 636-8400
NFPA:	National Fire Protection Association
	1 Batterymarch Park

Quincy, MA 02269 (617) 770-3000

Installer’s Information Manual Page 27