To Next PageTo Next Page
Need help?Do you have a question about the Bryant 912S and is the answer not in the manual?
General| Model | 912S |
|---|---|
| Type | Gas Furnace |
| Blower Type | Variable Speed |
| Stages | Single-stage |
| Blower Motor Type | ECM |
| Efficiency Rating | High Efficiency |
| Heating Capacity | 40, 000 - 120, 000 BTU/h |
| Fuel Type | Natural Gas |
| AFUE | 96.0% |
| AFUE Rating | 96.0% |
| Warranty | 10-year parts limited warranty upon registration |
Hazards from improper installation, alteration, or use.
Hazards related to combustible solvents and primers.
Potential for unit component damage due to installation/operation.
Hazards from sharp sheet metal edges during handling.
Explanation of safety symbols and signal words.
Importance of ESD precautions to prevent component damage.
Precautions for furnace use during construction.
Hazards from corrosive or contaminated air.
Hazards when installing furnace in a garage.
Hazards from improper return air connection or furnace orientation.
Preventing furnace damage from corrosive combustion air.
Hazards from negative pressure conditions created by ventilation devices.
Condensate trap installation for upflow orientation.
Condensate trap relocation for downflow orientation.
Condensate trap relocation for horizontal orientations.
Grommet requirement for direct vent applications.
Preventing freezing of condensate drain lines.
Preventing property damage from plugged condensate drains.
Routing condensate drain for upflow/downflow.
Steps for right side condensate drain connection.
Steps for left side condensate drain connection.
Cabinet air leakage specifications.
Pitching requirements for upflow installations.
Connecting supply air ducts.
Hazards from improper return air connection.
Connecting the bottom return air inlet.
Notes for horizontal installation.
Hazards from improper installation orientation.
Hazards from operating furnace without a filter.
Sizing filters and return ductwork.
Importance of consulting local codes for ductwork.
General guidelines for duct system design and installation.
Sizing of return ductwork and filters.
Methods for acoustical treatment of ductwork.
Hazards related to gas piping and purging.
Specific gas piping requirements for Massachusetts.
Preventing furnace damage during gas pipe connection.
Sealing gas pipe openings for direct vent applications.
Electrical safety warnings during installation and servicing.
Hazards related to blower door switch.
Requirements for proper electrical grounding.
Hazards related to field-mounted disconnect switches.
Mounting an external electrical box on the furnace casing.
Note on polypropylene venting system installation.
Specific venting requirements for installations in Canada.
Procedures to ensure safe venting operation for all appliances.
General considerations for furnace venting replacement.
Recommendations for supporting vent terminations.
Venting requirements for ventilated combustion air systems.
Venting requirements for non-direct vent (1-pipe) systems.
Venting requirements for direct vent (2-pipe) systems.
Optional configuration for combustion air inlet pipe.
Venting requirements for ventilated combustion air.
Venting requirements for 1-pipe systems.
Specific termination requirements for Alberta and Saskatchewan.
Optional configuration for combustion air inlet pipe.
Installing a moisture trap for the combustion air inlet pipe.
Additional information for polypropylene venting systems.
Hazards related to routing pipes through the blower compartment.
Hazards from improper pipe sealing in the blower compartment.
Warning against using cement for polypropylene venting.
Notice for PVC/ABS DWV vent piping installation.
Installing vent terminations on a roof.
Installing concentric vent terminations.
Note on polypropylene venting systems.
Installing roof vent terminations.
Installing concentric vent terminations.
Installing sidewall vent terminations.
Installing sidewall concentric vent terminations.
Recommendations for supporting vent terminations.
Important procedures for installation and start-up.
Priming the condensate trap with water.
Hazards of not priming the condensate trap.
Importance of proper condensate trap priming for operation.
Caution regarding the manual reset limit switch.
Procedure for purging gas lines.
Hazards during gas line purging and leak testing.
Hazards related to gas valve regulator adjustment.
Avoiding damage by not redrilling orifices.
Notes on manifold pressure adjustments for natural gas.
Checking the inlet gas pressure during operation.
Limits for manifold pressure settings.
Procedures for checking and adjusting temperature rise.
Hazards related to overheating or improper flue gas condensation.
Testing the main limit switch function.
Testing the pressure switch function.
Warnings for personnel performing maintenance.
Environmental precautions during service.
Electrical safety warnings before servicing.
Cautions for electrical wiring errors.
General notes on furnace orientation for service.
Information on electrical controls and wiring.
Additional electrical shock hazards.
Using the troubleshooting guide.
How to retrieve stored fault codes.
Electrical hazards when manually closing the blower door switch.
General care and maintenance recommendations.
Storing flammable materials near the furnace.
Electrical safety during maintenance.
Never operating furnace without a filter.
Hazards from sharp sheet metal parts.
Electrical hazards during burner and flame sensor cleaning.
Electrical safety before servicing.
Hazards from operating without a filter or with doors removed.
Hazards from sharp sheet metal parts.
Electrical safety before flushing.
Cleaning primary heat exchangers.
Electrical safety before servicing heat exchangers.
Electrical safety before servicing heat exchangers.
Preventing damage from low ambient temperatures.
Hazards of using ethylene glycol for winterization.
Safety warnings regarding replacement parts.
