Table of Contents
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INSTALLATION AND
OPERATING INSTRUCTIONS
FOR
THE HARDY
LIGHT COMMERCIAL
OUTSIDE WOOD BURNING HEATER
Model – LC300, LC500 & LC2500
Model – LC300, LC500 & LC2500
HARDY MANUFACTURING
COMPANY, INC.
12345 ROAD 505
PHILADELPHIA, MS 39350
PHONE: (601) 656-5866
FAX: (601) 656-4559
www.hardyheater.com
Rev. 3/25/2015
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Table of Contents
Troubleshooting
Related Manuals for Hardy LC500
Summarization of Contents
General Information
Specifications
Details about fuel type, electrical rating, clearances, water capacity, and dimensions for all models.
Heater Component Parts Model LC300
Illustrated list of component parts and their corresponding part numbers for the LC300 model.
Heater Component Parts Model LC500
Illustrated list of component parts and their corresponding part numbers for the LC500 model.
Heater Component Parts Model LC2500
Illustrated list of component parts and their corresponding part numbers for the LC2500 model.
Installation of Heater
Location of Heater
Guidelines for placing the outdoor unit, including recommended pad dimensions and installation options.
Chimney Connection
Instruction not to connect the unit to a chimney flue serving another appliance.
Hull Removal
Describes two methods to access the rear of the heater for plumbing and electrical connections.
Set-Up of Grates
Instructions for correctly positioning I-beams, channel beams, and grates within the firebox for different models.
Location of Plumbing and Electrical Lines
Details on underground installation of water and electrical lines, including pipe requirements and wire types.
Connection of Power to Heater
Procedure for connecting the unit's power supply by a qualified electrician following the National Electrical Code.
Wiring Diagram
Schematic and connection diagrams for heater wiring, including legend for components.
Plumbing Instructions
Instructions for Forced Air Systems
Connecting the heater to a forced air system via a heat exchanger coil in the duct work.
Location of Heating Coil
Diagrams illustrating various methods for installing a heating coil in a forced air system.
Instructions for Hydronic systems
Connecting the heater to an existing hydronic system using a plate heat exchanger.
Instructions for Water Heater Hookups
Adding a plate heat exchanger and pump to provide hot water heating to the unit.
Replacing Hull
Steps for reinstalling the heater's outer cover and sealing openings with silicone sealant.
Filling the Heater with Water
Procedure for filling the heater with water, including water quality recommendations to prevent tank damage.
Connection to Central Heating/AC System
Connection to Central Unit with Existing Blower Relay
Detailed instructions for integrating the heater with a central air handler using a blower relay.
Connection to Central Unit with existing Blower Relay Diagram
Wiring diagrams showing the connection of the Hardy Hydronic Heater to a central air handler.
Heater Operation
Firing the Heater
Recommended fuel types and procedures for starting and building a fire in the heater.
Water Temperature
Explanation of the aqua stat's role in controlling draft based on water temperature and recommended settings.
Moisture in the Firebox
Normal startup moisture conditions and troubleshooting for persistent moisture in the firebox.
Wood Usage
Factors affecting fuel consumption and reference to troubleshooting for performance issues.
Improper Burning
Common causes of inefficient burning and steps to diagnose and correct them.
Ash Removal
Guidelines for routine ash removal to maintain heating efficiency and prevent grate damage.
Ash Disposal
Safe methods for disposing of ashes, emphasizing the use of metal containers and cooling.
Creosote Formation and Removal
Explanation of creosote formation, its risks, and recommended inspection frequency.
Service Information
Electric Make-Up Water System (Optional)
Description of components like low water switch, light, solenoid, and filter for automatic water fill.
Water Circulation System
Information on low temperature sensors, water pump relays, and the Taco 009 pump.
Temperature Control System
Details on the damper aqua stat, damper solenoid, and the forced air draft blower.
Heater Maintenance
Preventative Maintenance
Checklist for routine maintenance tasks to ensure proper operation and prevent issues.
Preseason Maintenance
Annual checks and maintenance procedures before starting the heating season.
In Season Maintenance
Regular checks and maintenance tasks to be performed during the heating season.
Post Season Maintenance
Procedures for shutting down and cleaning the heater at the end of the heating season.
Appendix
GENERAL TROUBLE SHOOTING GUIDE
Guide to diagnosing and resolving common issues with the heater's electrical and mechanical components.
Circulator Maintenance Instructions
Step-by-step procedures for testing and replacing pump cartridges and checking motor windings/capacitors.
Damper Solenoid Replacement Instructions
Detailed steps for safely removing and replacing the damper solenoid.
Low Water Switch Replacement Instructions
Procedure for replacing the low water switch, including orientation and wiring.
Draft Blower Replacement Instructions
Instructions for safely removing and installing a new draft blower unit.
Automatic Water Fill Replacement Instructions
Steps for replacing the automatic water fill valve assembly and its components.
Honeywell Aqua Stat Replacement Instructions
Guidance on how to safely replace the Honeywell aqua stat thermostat.
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