Harman Pellet Furnace Manual

The Harman Pellet Furnace is an efficient heating system designed for residential and commercial use, featuring advanced combustion technology, automatic ignition, thermostat control, safety shut-off systems, ash removal system, and energy-efficient operation. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Venting System 7. Operation 8. Maintenance 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Combustion chamber, hopper, auger system, blower assembly, control panel, thermostat interface, ash pan, and exhaust system.

Feature	Description
Automatic Ignition	Self-lighting system for easy startup
Thermostat Control	Maintains consistent room temperature
Hopper Capacity	40-60 lbs pellet storage
Auger Feed System	Automatically feeds pellets to combustion chamber
Blower Assembly	Distributes heat throughout space
Ash Removal System	Easy-clean ash pan
Safety Shut-off	Automatic shutdown in case of malfunction
Heat Settings	Multiple heat output levels
Exhaust System	Vented combustion gases safely outdoors
Control Panel	Digital display and settings adjustment

Installation

Unpack and inspect all components. Ensure proper clearances from combustible materials.

Position furnace: Place on non-combustible surface with proper clearances.
Install venting: Connect exhaust pipe following manufacturer specifications.
Electrical connection: Connect to dedicated 120V AC power outlet.
Fuel source: Fill hopper with premium wood pellets.
Test operation: Verify all systems function properly before regular use.

WARNING! Installation must be performed by qualified technician. Follow all local building codes and regulations.

First-Time Setup

Complete initial setup before first use.

Power connection: Plug into dedicated electrical outlet.
Fill hopper: Use only premium-grade wood pellets.
Initial ignition: Follow startup procedure in control panel.
Temperature setting: Set desired room temperature on thermostat.
Vent check: Ensure exhaust system is clear and functioning.

CAUTION! Keep combustible materials at least 36 inches from furnace. Ensure proper ventilation.

Specifications

Heating Capacity: 1,500 - 2,500 square feet
Fuel Type: Premium wood pellets
Hopper Capacity: 40-60 lbs
BTU Output: 40,000 - 60,000 BTU/hr
Efficiency: 85%+ AFUE rating
Power Requirements: 120V AC, 60Hz
Venting: 3-4 inch diameter vent pipe
Dimensions: Standard residential furnace size
Weight: 250-350 lbs
Warranty: Limited lifetime on heat exchanger

Controls and Settings

Digital control panel with thermostat interface and manual override options.

Control Panel: POWER, TEMP SET, FAN SPEED, HEAT LEVEL, RESET, DIAGNOSTIC

Temperature Settings: Thermostat control with 1-degree increments. Heat Levels: Low, Medium, High, Auto. Fan Settings: Auto, Low, Medium, High. Diagnostic Mode: Error code display and system status. Safety Settings: Overheat protection, vacuum switch, pressure switch monitoring.

Venting System

Proper venting is critical for safe operation and efficiency.

Use only approved vent pipe materials.
Maintain proper clearances from combustible materials.
Ensure vertical rise meets manufacturer specifications.
Install cleanout tee for maintenance access.
Check for obstructions before each heating season.

Tip: Regular vent inspection prevents carbon monoxide hazards and maintains efficiency.

Operation

Daily operation procedures for optimal performance.

Startup: Ensure hopper has pellets, set desired temperature.
Automatic operation: Furnace will maintain set temperature.
Fuel monitoring: Check pellet level regularly.
Shutdown: Use proper shutdown procedure when not in use.
Seasonal operation: Follow startup procedure after extended non-use.

WARNING! Never use gasoline, kerosene, or other accelerants to start furnace. Use only approved wood pellets.

Maintenance

Regular maintenance ensures longevity and efficiency.

Weekly: Empty ash pan, clean glass door, check pellet supply. Monthly: Clean heat exchanger, inspect gaskets, check venting. Annually: Professional inspection, complete system cleaning, component testing.

CAUTION! Always disconnect power before performing maintenance. Allow furnace to cool completely.

Safety Features

Multiple safety systems protect against hazards.

Overheat Protection: Automatic shutdown if temperatures exceed safe limits. Vacuum Switch: Monitors combustion airflow. Pressure Switch: Ensures proper venting. High Limit Control: Prevents overheating. Auger Jam Protection: Stops feed system if obstruction detected.

Regulatory Information

UL certified to UL 391 standards. EPA certified for emissions compliance. Meets ASTM E1509 for solid fuel burning appliances. For technical support, contact Harman Customer Service at 1-800-HARMAN-1 or visit www.harmanstoves.com. Copyright © 2025 Harman All Rights Reserved.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power outage/hopper empty	Check power source; fill hopper with pellets; reset circuit breaker.
Poor heat output	Dirty heat exchanger/airflow	Clean heat exchanger; check blower operation; verify thermostat setting.
Excessive smoke	Vent obstruction/poor pellets	Clean vent pipe; use premium pellets; check combustion blower.
Auger not feeding	Jam/mechanical issue	Clear hopper obstruction; check auger motor; inspect drive mechanism.
Error codes displayed	System fault	Refer to diagnostic chart; reset system; contact service if persistent.

Reset: Power off for 5 minutes then restart.

Service: 1-800-HARMAN-1; www.harmanstoves.com