AirPro Furnace Manual

The AirPro Furnace is a high-efficiency heating system designed for residential and light commercial use. Featuring advanced combustion technology, variable-speed blower motor, smart thermostat compatibility, and energy-saving modes. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: High-efficiency heat exchanger, Variable-speed blower motor, Electronic ignition system, Smart thermostat interface, Air filter compartment, Gas valve, Pressure switches, Control board.

Feature	Description
Heat Exchanger	Stainless steel construction for maximum efficiency and durability
Blower Motor	Variable-speed ECM motor for quiet operation and energy savings
Ignition System	Hot surface ignition for reliable startup
Thermostat Interface	Compatible with most smart thermostats
Filter Compartment	Easy-access for standard 1-inch or 4-inch filters
Gas Valve	Precision gas control for optimal combustion
Pressure Switches	Safety monitoring of combustion air flow
Control Board	Microprocessor-based for advanced diagnostics
LED Status Lights	Troubleshooting and system status indicators
Service Switch	Local power disconnect for safety

Installation

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

1. Position furnace: Place on stable, level surface with minimum clearances as specified.
2. Connect gas line: Use approved gas piping and fittings; pressure test for leaks.
3. Connect venting: Install proper Category IV venting system.
4. Electrical connections: Connect 120V power and thermostat wiring.
5. Ductwork: Connect supply and return ducts securely.

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

First-Time Setup

Power on furnace; follow startup sequence.

1. System check: Control board performs self-diagnostic test.
2. Thermostat setup: Program desired temperature settings and schedules.
3. Blower settings: Adjust airflow for optimal comfort and efficiency.
4. Test operation: Verify proper heating cycle and temperature rise.
5. Safety checks: Confirm proper venting and combustion.

CAUTION! Ensure adequate combustion air and proper venting before operation.

Specifications

• Heating Capacity: 40,000 - 120,000 BTU/h (model dependent)
• Efficiency: 80% - 96% AFUE
• Electrical: 120V AC, 60Hz, 15A circuit
• Gas Type: Natural gas or LP (conversion kit required)
• Blower Motor: Variable-speed ECM
• Sound Level: As low as 65 dB
• Dimensions: Varies by model (check specific model data)
• Warranty: 10-year heat exchanger, 5-year parts
• Operating Temp Range: -30°F to 120°F ambient

Controls and Settings

Access settings via thermostat or control board dip switches.

Thermostat Controls: Temperature setpoint, Fan mode (Auto/On), System mode (Heat/Off), Program schedules.

Control Board: LED status indicators, Dip switches for blower speeds, Gas heating stages, Diagnostic codes. Blower Settings: Adjustable airflow for different applications. Temperature Rise: Verify within specified range (35-65°F). Ignition Control: Retry attempts and lockout timing.

Connecting Thermostat

Compatible with most 24V thermostats including smart models.

1. Turn off power to furnace at service switch.
2. Remove thermostat cover and connect wires: R (power), W (heat), G (fan), C (common).
3. For smart thermostats: Additional wires may be needed for Wi-Fi and advanced features.
4. Restore power and configure thermostat settings.

Tip: Use thermostat compatible with your furnace model for optimal performance.

Operating Modes

Multiple operating modes for efficiency and comfort.

1. Heating Mode: Primary operation for space heating.
2. Fan Only: Circulates air without heating.
3. Smart Recovery: Learns heating patterns for optimal comfort.
4. Vacation Mode: Maintains minimum temperature during absence.
5. Filter Reminder: Alerts when filter needs replacement.
6. Diagnostic Mode: Displays error codes and system status.

WARNING! Do not operate without proper ventilation. Carbon monoxide hazard.

Maintenance Schedule

Regular maintenance ensures optimal performance and safety.

Frequency	Maintenance Task
Monthly	Check and replace air filter if dirty
Seasonal	Inspect vent system for obstructions
Annual	Professional inspection and cleaning
Annual	Check gas pressure and combustion
Annual	Inspect heat exchanger for cracks
Annual	Lubricate blower motor if required
Annual	Check electrical connections

Care & Cleaning

Turn off power before any maintenance. Keep area around furnace clean and clear.

1. Air Filter: Replace every 1-3 months depending on usage.
2. Blower Assembly: Vacuum annually to remove dust.
3. Burners: Professional cleaning recommended annually.
4. Drain Lines: Clear condensate drain annually.

CAUTION! Never use water or cleaning chemicals on electrical components.

Regulatory Information

UL certified for safety standards. Meets ANSI Z21.47 standards for gas furnaces. CSA certified for Canadian markets. Energy Star compliant for high-efficiency models. For support, visit www.airprofurnace.com or contact 1-800-AIR-PRO1. Installation must comply with local building codes and regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power, thermostat, safety lockout	Check power switch; verify thermostat settings; reset if locked out.
No heat	Gas supply, ignition, filter	Check gas valve; verify pilot/ignition; replace dirty filter.
Short cycling	Filter, thermostat, overheating	Clean/replace filter; check thermostat location; verify airflow.
Blower not running	Motor, capacitor, control board	Check for power to motor; test capacitor; inspect control board.
Unusual noises	Blower, motor, ductwork	Inspect blower wheel; check motor bearings; examine duct connections.
Error codes flashing	Various system faults	Refer to diagnostic code chart in service manual.

Reset: Turn power off for 30 seconds, then restore.

Service: 1-800-AIR-PRO1; www.airprofurnace.com