Heatmor Outdoor Furnace Manual

The Heatmor Outdoor Furnace is a high-efficiency, wood-burning heating system designed for residential and commercial outdoor installation. It features durable stainless steel construction, automatic draft control, thermal storage capacity, and compatibility with existing heating systems. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Stainless steel firebox, Heat exchanger, Draft control system, Water jacket, Chimney system, Control panel.

Installation Requirements

Proper installation is critical for safety and performance. Follow all local building codes.

1. Location: Minimum 50 feet from any structure; clear of combustible materials.
2. Foundation: Level concrete pad or approved non-combustible base.
3. Chimney: Minimum 2 feet above highest point within 10 feet.
4. Water connections: Properly sized pipes with insulation and expansion tank.
5. Electrical: Weatherproof electrical connection for controls and pumps.

WARNING! Installation must be performed by qualified professional. Improper installation can cause fire hazard.

First-Time Setup

Complete installation before initial firing.

1. Fill water system: Add treated water to proper level; check for leaks.
2. Prime circulation pump: Ensure proper water flow through system.
3. Check draft control: Verify damper operates freely.
4. Initial firing: Start with small, dry wood load to cure refractory.
5. System check: Monitor temperatures and verify heat transfer.

CAUTION! Never operate with empty water jacket. Always wear protective gear when handling hot components.

Technical Specifications

• Heating Capacity: Up to 5,000 sq. ft. residential space
• Firebox Size: 30-inch depth x 24-inch width
• Water Capacity: 100 gallons in jacket
• Maximum Water Temperature: 200°F operating temperature
• Chimney Size: 8-inch diameter stainless steel
• Fuel Type: Seasoned hardwood recommended
• Burn Time: 8-12 hours depending on wood quality and settings
• Efficiency Rating: 85% thermal efficiency
• Weight: 850 pounds empty

Controls and Operation

Control panel includes temperature gauge, draft control knob, and system status indicators.

Temperature Control: Set desired operating temperature (160°F-200°F recommended). Draft Control: Adjust air intake for burn rate (HIGH for fast heat, LOW for overnight). Circulation Pump: Automatic operation based on temperature settings.

Operating Modes: Normal heating, Standby, Maintenance. Safety Features: High-limit temperature shutoff, Low-water cutoff, Over-temperature alarm.

System Connections

Compatible with forced air systems, radiant floor heating, and domestic hot water.

1. Shut off all power and water sources before making connections.
2. Connect supply and return lines using approved piping materials.
3. Install isolation valves and air eliminators in piping system.
4. Connect to existing furnace with heat exchanger or separate zone.
5. Verify proper flow direction and pump operation.

Tip: Use only approved heat transfer fluid in closed-loop systems.

Fuel Loading and Burning

Proper wood selection and loading techniques maximize efficiency.

1. Fuel Preparation: Use seasoned hardwood with moisture content below 20%.
2. Loading: Place wood evenly in firebox; avoid overloading.
3. Ignition: Use natural fire starters; never use gasoline or accelerants.
4. Air Control: Adjust draft for clean, efficient burn with minimal smoke.
5. Reloading: Add wood when coals are established; maintain hot bed.
6. Ash Management: Remove ashes when 2-3 inches accumulate in drawer.

WARNING! Never burn treated wood, plastics, or garbage. This can damage furnace and create toxic fumes.

Safety Features

High-temperature limit switch: Automatically reduces air intake if temperature exceeds safe limit. Low-water sensor: Shuts down system if water level drops dangerously low. Pressure relief valve: Releases excess pressure from water system. Spark arrestor: Prevents embers from exiting chimney.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily: Check water level and temperature gauge. Weekly: Remove ashes from firebox and ash drawer. Monthly: Inspect door gaskets and chimney for creosote buildup. Annually: Professional inspection of heat exchanger and refractory.

CAUTION! Allow furnace to cool completely before performing maintenance. Wear gloves and eye protection.

Regulatory Information

EPA Certified: Meets EPA Phase 2 emission standards for wood heaters. UL Listed: Components meet Underwriters Laboratories safety standards. Local Codes: Installation must comply with all local building and fire codes. Manufacturer: Heatmor Inc. For technical support, contact 1-800-HEATMOR or visit www.heatmor.com.

Troubleshooting

Reset: Turn power off for 30 seconds to reset control system.

Service: 1-800-HEATMOR; www.heatmor.com