Addison Furnace Manual

The Addison Furnace is a high-efficiency residential heating system designed for reliable performance and energy savings. This gas furnace features variable-speed blower technology, electronic ignition, multi-stage heating, smart thermostat compatibility, safety shut-off systems, and quiet operation. Rated for natural gas or propane conversion with AFUE ratings up to 98%. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: Heat exchanger, variable-speed blower motor, electronic control board, gas valve, ignition system, pressure switches, flame sensor, filter compartment.

Feature	Description
Variable-speed blower	Adjusts airflow for optimal efficiency and comfort
Multi-stage heating	Provides precise temperature control and energy savings
Electronic ignition	Reliable spark ignition system (no standing pilot)
Smart thermostat ready	Compatible with most modern thermostat systems
Safety shut-off	Automatic gas valve closure if issues detected
Filter monitoring	LED indicator for filter replacement
Quiet operation	Insulated cabinet and vibration dampening
Diagnostic lights	LED status indicators for troubleshooting
Gas type	Natural gas (convertible to propane)
Venting	PVC pipe compatible for direct venting

Installation

Unpack and inspect contents. Ensure proper location with adequate clearance.

Position furnace: Place on level surface with minimum clearance requirements.
Connect gas line: Use approved gas piping and fittings; pressure test required.
Connect electrical: 120V AC power supply with proper grounding.
Connect venting: Install PVC vent pipes according to local codes.
Connect thermostat: Wire compatible thermostat to control board.
Connect ductwork: Secure supply and return air ducts properly.

WARNING! Installation must be performed by qualified HVAC technician. Gas leaks can cause explosion or fire.

First-Time Setup

Power on furnace; follow startup procedure.

Verify gas supply: Ensure gas valve is open and pressure is correct.
Check electrical: Confirm proper voltage at unit.
Install filter: Insert clean air filter in filter compartment.
Set thermostat: Program desired temperature settings.
Test operation: Initiate heating cycle and verify proper function.
Check venting: Confirm proper draft and exhaust flow.

CAUTION! Never bypass safety controls. Ensure proper combustion air supply.

Specifications

Heating Capacity: 40,000-120,000 BTU/h (model dependent)
AFUE Rating: Up to 98% efficiency
Stages: Single-stage, two-stage, or modulating
Blower Motor: ECM variable-speed
Voltage: 120V AC, 60Hz
Gas Type: Natural gas (14" WC) or LP (11" WC)
Venting: 2" PVC pipe (check local codes)
Sound Level: As low as 65 dB
Dimensions: Varies by model (typical: 21"W x 48"H x 26"D)
Warranty: 20-year heat exchanger, 10-year parts

Controls and Settings

Access control board via front panel. LED status lights indicate system operation.

Thermostat Controls: HEAT/COOL/OFF, FAN AUTO/ON, temperature setting, program schedules.

System: Blower speed settings, temperature limits, cycle rates. Safety: Pressure switch monitoring, flame rollout protection, high limit control. Diagnostics: LED error codes, system status indicators. Maintenance: Filter timer, service reminders.

Connecting Thermostat

Compatible with most 24V thermostat systems including smart thermostats.

Turn off power to furnace at circuit breaker.
Remove old thermostat and label wires.
Connect wires to new thermostat: R (power), W (heat), G (fan), C (common).
Mount thermostat and restore power.
Configure thermostat settings for furnace type.

Tip: Use thermostat compatible with multi-stage systems for optimal performance.

Operating Modes

Supports multiple heating modes for comfort and efficiency.

Heating mode: Set thermostat to HEAT; furnace ignites when heat demanded.
Fan only: Set thermostat FAN to ON for continuous airflow.
Multi-stage: Lower stage for mild weather, higher stage for extreme cold.
Smart recovery: Anticipates temperature needs for precise comfort.
Vacation mode: Maintains lower temperature when away.

WARNING! Never operate furnace with access panels removed. Keep combustible materials away.

Maintenance Features

Filter reminder light: Indicates when filter needs replacement. Diagnostic codes: LED flashes indicate specific issues for troubleshooting. Service mode: Allows technician testing without normal operation.

Care & Cleaning

Turn off power before maintenance. Replace air filter every 1-3 months. Keep area around furnace clean and unobstructed.

CAUTION! Do not attempt internal cleaning without qualified technician. Annual professional maintenance recommended.

Regulatory Information

UL certified; meets ANSI Z21.47 standards. CSA certified for Canada. Complies with Department of Energy efficiency standards. For support, visit www.addisonhvac.com or contact 1-800-555-HEAT. Manufactured under license by Addison HVAC Systems.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power/thermostat	Check circuit breaker; verify thermostat settings; ensure gas valve open.
No heat	Ignition/pilot	Check for spark at igniter; verify gas supply; check flame sensor.
Short cycling	Filter/airflow	Replace dirty filter; check for blocked vents; verify proper airflow.
Blower not working	Motor/control	Check blower motor capacitor; verify control board signals.
Unusual noises	Components/wear	Inspect blower wheel; check for loose parts; lubricate if applicable.

Reset: Power cycle unit at circuit breaker if lockout occurs.

Service: 1-800-555-HEAT; www.addisonhvac.com