Amana Gas Furnace Owners Manual

The Amana Gas Furnace is a high-efficiency heating system designed for residential use, featuring advanced combustion technology, multiple safety systems, energy-saving modes, digital thermostat compatibility, and durable construction. 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. Technical Specifications 5. Controls and Settings 6. Operating Instructions 7. Maintenance Schedule 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-efficiency heat exchanger, Electronic ignition system, Multi-speed blower motor, Digital control board, Safety shut-off valves, Air filter compartment.

Feature	Description
Heat Exchanger	Stainless steel construction for maximum efficiency and durability
Ignition System	Electronic hot surface ignition for reliable starts
Blower Motor	Variable speed ECM motor for quiet operation
Control Board	Microprocessor-based for precise temperature control
Gas Valve	Modulating valve for precise fuel control
Pressure Switches	Safety devices to ensure proper venting
Flame Sensor	Monitors burner operation for safety
Limit Switches	Prevents overheating by shutting off furnace
Filter Indicator	LED light alerts when filter needs replacement
Diagnostic Lights	Troubleshooting codes for service technicians

Installation Requirements

Professional installation required. Ensure proper clearances and venting.

Location: Install in well-ventilated area with proper clearances to combustibles.
Gas Connection: Use approved gas piping and fittings; pressure test required.
Electrical: 120V AC power supply with proper grounding.
Venting: Follow local codes for proper vent pipe installation.
Ductwork: Ensure proper sizing and sealing for optimal performance.

WARNING! Gas furnaces produce carbon monoxide; proper installation and venting are critical for safety. Only qualified technicians should install.

First-Time Setup

Initial startup must be performed by qualified technician.

System Check: Verify all connections, gas pressure, and electrical wiring.
Venting Test: Confirm proper draft and venting operation.
Gas Pressure: Set manifold pressure to specifications.
Blower Speed: Adjust for proper airflow and temperature rise.
Thermostat: Program desired temperature settings and schedules.

CAUTION! Never attempt to adjust gas pressure or electrical settings without proper training and equipment.

Technical Specifications

Heating Capacity: 40,000 - 120,000 BTU/H (model dependent)
Efficiency Rating: Up to 98% AFUE
Gas Type: Natural Gas or LP (conversion kit required)
Gas Pressure: Natural Gas: 3.5" WC, LP: 10" WC
Electrical: 120V AC, 60Hz, 15 Amp circuit
Blower Motor: ECM variable speed
Sound Rating: As low as 65 dB
Warranty: Limited lifetime heat exchanger warranty
Dimensions: Varies by model (check specific model documentation)
Weight: 80-150 lbs depending on model

Controls and Settings

Integrated control board with diagnostic capabilities. Thermostat controls temperature settings.

Control Board Features: Status lights, Diagnostic codes, Blower control, Ignition sequence, Safety lockout.

Thermostat Settings: Temperature setpoint, Fan control (Auto/On), System mode (Heat/Off), Program schedules, Filter reminder reset. Advanced Settings: Blower delay, Temperature differential, Emergency heat settings (professional adjustment only).

Operating Instructions

Normal operation controlled through thermostat.

Set thermostat to desired temperature in HEAT mode.
Furnace will automatically cycle on and off to maintain temperature.
Fan operation can be set to AUTO (runs only during heating) or ON (continuous operation).
For seasonal shutdown, turn thermostat to OFF position.
Regular filter changes ensure optimal performance and efficiency.

Tip: Keep thermostat away from heat sources and direct sunlight for accurate temperature readings.

Maintenance Schedule

Regular maintenance ensures safety, efficiency, and longevity.

Monthly: Check filter condition, listen for unusual noises.
Seasonal: Replace air filter, inspect vent system, check thermostat operation.
Annual: Professional inspection and cleaning, check heat exchanger, test safety controls, verify gas pressure, clean blower assembly.
As Needed: Clean flame sensor, check drain lines, inspect electrical connections.

WARNING! Gas furnace maintenance should only be performed by qualified technicians. Homeowners should only replace filters and keep area clean.

Safety Features

Multiple safety systems protect against hazardous conditions.

Safety Feature	Function
Flame Rollout Switch	Shuts off gas if flame escapes burner area
High Limit Switch	Prevents overheating by shutting off burners
Pressure Switches	Ensures proper venting before ignition
Flame Sensor	Confirms burner ignition; shuts off gas if no flame
Gas Valve	Automatic shut-off in case of system failure
Ignition Control	Prevents gas buildup with timed ignition attempts

Care & Cleaning

Regular cleaning maintains efficiency and prevents issues.

Air Filter: Replace every 1-3 months depending on usage and environment.
Exterior: Wipe with dry cloth; keep area around furnace clean and unobstructed.
Vents: Ensure supply and return vents are not blocked by furniture or debris.
Drain Lines: Check for clogs; clean as needed to prevent water backup.

CAUTION! Never use water or cleaning chemicals on furnace components. Turn off power before any cleaning near electrical components.

Regulatory Information

ANSI Z21.47: Certified for safety standards. Energy Star: Meets or exceeds energy efficiency requirements. UL Listed: Certified for electrical safety. For natural gas furnaces, compliance with local building codes and gas utility requirements is mandatory. Copyright © Amana Heating & Air Conditioning. For support, visit www.amana-hac.com or contact 1-888-292-6262.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power, thermostat, gas supply	Check circuit breaker, thermostat settings, gas valve position.
No heat	Pilot/ignition, filter, limit switch	Check for ignition failure, replace dirty filter, reset limit switch.
Short cycling	Filter, thermostat, airflow	Replace filter, check thermostat location, ensure proper airflow.
Blower won't stop	Thermostat fan setting	Set thermostat fan to AUTO instead of ON.
Unusual noises	Motor, blower, ductwork	Schedule professional inspection for mechanical issues.
Error codes flashing	System fault	Note code pattern and contact qualified service technician.

Reset Procedure: Turn thermostat to OFF, wait 5 minutes, turn back to HEAT. If problem persists, call for service.

Emergency Shutdown: Turn off gas supply at shut-off valve, turn off electrical power at service switch.

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