The Keeprite Furnace is a high-efficiency residential heating system designed for reliable performance and energy savings. This comprehensive manual covers installation, operation, maintenance, and troubleshooting for various Keeprite furnace models. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: High-efficiency heat exchanger, Electronic ignition system, Multi-speed blower motor, Electronic thermostat interface, Safety shut-off switches, Filter access panel.
| Feature | Description |
|---|---|
| AFUE Rating | Up to 96% Annual Fuel Utilization Efficiency |
| Heat Exchanger | Stainless steel primary and secondary |
| Blower Motor | Variable speed ECM technology |
| Ignition System | Hot surface ignition |
| Filter Type | Standard 1-inch or 4-inch media filter |
| Venting | PVC pipe compatible |
| Gas Valve | Modulating for precise temperature control |
| Control Board | Microprocessor-based with diagnostic LEDs |
| Safety Features | Flame rollout switch, limit switches, pressure switches |
| Warranty | Limited lifetime heat exchanger warranty |
Professional installation recommended. Ensure proper clearances and venting.
WARNING! Gas appliances can be dangerous if improperly installed. Use qualified HVAC technician.
Initial startup and commissioning procedures.
CAUTION! Only qualified technicians should perform initial setup and adjustments.
Integrated control board with diagnostic capabilities and user-adjustable settings.
Control Board: LED status lights, dip switch settings, diagnostic codes.
User Settings: Thermostat programming, fan control, temperature limits. Technician Settings: Blower speed, gas pressure, timing sequences. Safety Controls: High limit switch, flame rollout switch, pressure switch, igniter control. Diagnostic Codes: Flash patterns indicate specific operational status and fault conditions.
Proper venting and airflow are critical for safe and efficient operation.
Tip: Regular duct cleaning improves efficiency and indoor air quality.
Daily operation and seasonal startup procedures.
WARNING! Never block vents or returns; maintain clear combustion air intake.
Regular maintenance ensures optimal performance and longevity.
| Frequency | Maintenance Task |
|---|---|
| Monthly | Check and replace air filter if dirty |
| Annually | Professional inspection and cleaning |
| Annually | Check heat exchanger for cracks |
| Annually | Clean blower assembly and motor |
| Annually | Check gas pressure and connections |
| Annually | Inspect vent system and clearances |
| Annually | Verify safety controls operation |
| Every 3-5 years | Complete system overhaul |
Critical safety warnings and precautions for furnace operation.
DANGER! Carbon monoxide hazard - ensure proper venting and annual inspections. Fire hazard - maintain clearances to combustibles. Gas explosion risk - leak test all connections. Electrical shock hazard - disconnect power before servicing.
Install carbon monoxide detectors in sleeping areas. Never store flammable materials near furnace. Keep combustion area clear of debris.
Keeprite furnaces come with comprehensive warranty coverage.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Furnace won't start | Power, thermostat, safety lockout | Check circuit breaker, thermostat settings, reset power |
| No heat | Gas supply, igniter, limit switch | Verify gas valve on, check for spark/flame, reset limits |
| Short cycling | Dirty filter, airflow, overheating | Replace filter, check vents, verify temperature rise |
| Blower won't stop | Thermostat fan setting, control board | Check thermostat fan setting, inspect control board |
| Unusual noises | Loose parts, airflow, motor | Tighten components, check ductwork, lubricate motor |
| Pilot/igniter issues | Dirty sensor, gas pressure | Clean flame sensor, verify gas pressure |
Reset Procedure: Turn thermostat off, wait 30 seconds, turn back on.
Service: Contact qualified HVAC technician for complex issues. Keeprite Customer Support: 1-800-555-HEAT