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March 2011
Flex Fuel Owner’s Manual
15: Maintenance
15.1 General Information
Note: The Owner/Operator must follow any local and state codes/laws concerning
the operation of a wood fired furnace.
The operator must follow the guidelines for furnace operation as stated in this Owners Manual.
The Correct function of the safety devices should be checked before every heating period and after
a system fault.
Your Flex fuel should be serviced by your dealer once every three years or following any faults.
The water in your furnace must be tested every year, and treated or replaced if necessary
Weekly visual inspections for any leaks, corrosion or ash build up should be preformed.
15.2 Cleaning the Furnace
• Disconnect the power source prior to cleaning. Never clean your furnace during operation.
• Wait for the furnace to cool before cleaning the furnace.
• Correctly dispose of the ashes in a sealed metal container away from flammable materials.
• Cleaning intervals will vary depending on the quality of the fuel being used.
Cleaning Intervals
• Air Feed: As required following visual inspections
• Ash Chamber: Every 2 weeks
• Heat Exchanger: Automatic
Cleaning the Air Passages
Before firing the furnace, check that all the air openings above the grate are free of ash. It may be
necessary to use the ash scraper to open them. Regularly check that the air openings are not clogged
with tar. Manually clean the turbulators every 4000 hours. If necessary scrape the primary air feed
openings inside the firebox with the ash scraper to maintain air flow.
Primary Air Feed
