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??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
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
9.Remove 2 screws holding blower assembly to blower deck.
10.Slide blower assembly out.
11.After cleaning blower assembly,
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
PROPANE CONVERSION KIT (BELOW 6,000 ft): Includes propane
burner orifices.
NATURAL GAS CONVERSION KIT (BELOW 6,000 ft): Includes natural gas
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:
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) |
|
CSA: | Canadian Standards Association | |
| 178 Rexdale Boulevard | |
| Rexdale, Ontario, Canada M9W 1R3 | |
| (416) |
|
ASHRAE: American Society Of Heating Refrigeration And | ||
| ||
| 1791 Tullie Circle N.E. |
|
| Atlanta, GA 30329 |
|
| (404) |
|
NFPA: | National Fire Protection Association | |
| 1 Batterymarch Park |
|
Quincy, MA 02269 (617)
Installer’s Information Manual | Page 27 |