amana air command high efficiency 80 gas furnace manual

The Amana Air Command High Efficiency 80 Gas Furnace is a reliable heating system with 80% AFUE efficiency rating, featuring single-stage gas valve operation, durable heat exchanger construction, multi-speed blower motor, electronic ignition system, built-in draft inducer, safety controls, and compatibility with standard thermostat systems. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Thermostat 7. Operating Procedures 8. Maintenance Schedule 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Durable heat exchanger, multi-speed blower motor, electronic ignition system, built-in draft inducer, gas valve, pressure switches, limit controls, and diagnostic LED.

Feature	Description
Heat Exchanger	Durable steel construction for long service life
Blower Motor	Multi-speed ECM motor for efficient airflow
Ignition System	Electronic hot surface ignition
Draft Inducer	Built-in inducer for proper venting
Gas Valve	Single-stage operation for reliable performance
Pressure Switches	Safety verification of draft operation
Limit Controls	High temperature safety protection
Diagnostic LED	Flash code system for troubleshooting
AFUE Rating	80% Annual Fuel Utilization Efficiency
Venting	Category I venting system

Installation Requirements

Professional installation required. Verify local codes and obtain permits.

Location: Install in dry, clean area with proper clearances and combustion air.
Gas Connection: Use approved pipe and fittings; pressure test for leaks.
Electrical: 120V AC power supply with proper grounding.
Venting: Install according to manufacturer specifications and local codes.
Drain Line: Proper condensate drainage system required.

WARNING! Gas furnaces produce carbon monoxide; proper venting is critical. Installation must comply with all local codes.

First-Time Setup

Professional startup and commissioning required.

Gas pressure adjustment: Verify and adjust manifold pressure per specifications.
Blower speed setting: Set appropriate speed for heating application.
Thermostat connection: Wire compatible thermostat following wiring diagram.
System check: Verify proper ignition sequence and safety controls.
Combustion analysis: Check and adjust for proper combustion parameters.

CAUTION! Only qualified technicians should perform startup procedures.

Specifications

AFUE Rating: 80%
Input BTU/H: 40,000 - 120,000 (varies by model)
Output BTU/H: 32,000 - 96,000 (varies by model)
Gas Type: Natural Gas
Electrical: 120V AC, 60Hz
Blower Motor: Multi-speed ECM
Ignition: Hot Surface Electronic
Venting: Category I
Warranty: Limited lifetime heat exchanger warranty
Dimensions: Varies by model size

Controls and Settings

Integrated control board with diagnostic capabilities. Access door switch for service access.

Control Board: Manages ignition sequence, blower operation, safety controls, and provides diagnostic flash codes.

Operating Modes: Heating mode controlled by thermostat. Blower Settings: Adjustable blower speeds for heating operation. Safety Controls: Automatic shutoff for high temperature, pressure failure, or ignition problems. Diagnostic System: LED flash codes indicate system status and fault conditions.

Connecting Thermostat

Compatible with most 24VAC thermostats. Standard thermostat connections.

Turn off power to furnace before wiring.
Identify thermostat terminals: R, W, G, C, Y.
Connect thermostat wires to corresponding furnace control board terminals.
Verify proper operation after power restoration.

Tip: Use thermostat compatible with single-stage heating systems.

Operating Procedures

Normal operation controlled by thermostat.

Set thermostat to desired temperature.
Furnace will automatically cycle on and off to maintain temperature.
Listen for normal ignition sequence: inducer motor, ignition, gas valve opening.
Blower will start after warm-up period.
System will shut down when thermostat is satisfied.

WARNING! If you smell gas, immediately shut off gas supply and call qualified technician.

Maintenance Schedule

Annual professional maintenance recommended.

Monthly: Check air filter; replace if dirty
Annual: Professional inspection and cleaning
Seasonal: Verify proper operation before heating season
As Needed: Clean flame sensor, check drain system

CAUTION! Only qualified technicians should perform internal maintenance.

Care & Cleaning

Regular maintenance ensures optimal performance and efficiency.

Air Filter: Replace every 1-3 months depending on usage
Vent System: Keep intake and exhaust clear of obstructions
Burners: Professional cleaning only
Drain System: Keep condensate drain clear and flowing

WARNING! Never operate furnace without filter installed.

Regulatory Information

ANSI Z21.47: Certified for natural gas operation. CSA International: Certified to applicable standards. UL Listed: Electrical components UL certified. Installation must comply with National Fuel Gas Code NFPA 54/ANSI Z223.1 and local building codes. For technical support, contact Amana Heating & Air Conditioning at 1-888-292-6262 or visit www.amana-hac.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power, thermostat, door switch	Check power supply; verify thermostat setting; ensure door properly closed.
No heat	Gas supply, ignition	Verify gas valve on; check for ignition lockout; observe diagnostic LED.
Blower won't run	Motor, control board	Check for power to blower; verify control board operation.
Frequent cycling	Filter, limit switch	Replace dirty air filter; check for high limit tripping.
Unusual noises	Motor, inducer, blower wheel	Inspect for loose components; check blower wheel balance.

Reset: Power cycle furnace to reset control board if lockout occurs.

Service: 1-888-292-6262; www.amana-hac.com