5
DUCT RUNS:
Duct work should be designed so the external static pressure on high speed does
not exceed .02 water column inches while developing air velocities of 600 feet to 1,000
feet per minute in the main trunk duct and 400 feet to 600 feet per minute at the
registers. The heat outlet area should never be less than 12 sq. in. round. The Fire Chief
MUST be installed with a cold air return system. The system should be a minimum of
10% larger than the heat outlet to readily transfer the cold air back to the furnace. Avoid
using 90° elbows in duct runs; 45° elbows provide a better air flow and less resistance.
FUEL RECOMMENDATIONS: Log Size by Model
FC500 - 22” Maximum Log Length;
FC700 - 28” Maximum Log Length;
FC1100 - 34” Maximum Log Length.
We advise using only dry, seasoned hardwoods in your Fire Chief Furnace rather
than highly rosined woods such as pine. Firewood should be cut at least one full season
prior to the time of its intended used for optimum heat output. Firewood should be
stacked to provide a free flow of air between the logs, thus allowing more rapid season
ing of the wood. If wood is stored outdoors, it should be completely covered year round
to protect it from moisture and exposure to the elements.
Use extreme caution when opening the door during operation, temperatures can
exceed 300° - wait at least 10 (ten) seconds after releasing the latch, then proceed to
the fully open position. Opening the door in this manner is designed to eliminate the
possibility of gaseous ignition. Heat resistant gloves are recommended when open-
ing the fuel door, regulating the spin draft or emptying the ash pan.
CAUTION: NEVER use chemicals or gasoline to start or maintain your fire. Do not burn
oil, garbage, trash, plastic or any fuel other than wood in your furnace, doing so will void
the warranty.
• DO NOT operate your Fire Chief with the Fuel or Ash Door OPEN.
• DO NOT operate your Fire Chief with the Fuel By-pass Rod OPEN, the handle
must be pushed all of the way IN - except when refueling.
• DO NOT leave the Ash Pan inside your Fire Chief during operation.
WARNING
NEVER fuel your Fire Chief with wet, unseasoned wood or wood that has been exposed
to a recent rainfall. Burning wood with a high moisture content will cause a rapid accu-
mulation of hazardous creosote, which has been proven to be the most common cause
of flue fires.
NEVER burn plastics, any wood product containing glue, paraffin or those treated with
chemical preservatives in your Fire Chief. The combustion of these substances may
release harmful, toxic gases.
DANGER
Due to the risk of uncontrollable fire or explosion DO NOT attempt to use
gasoline, flammable liquids, refuse oil or garbage as an agent of combustion for
your Fire Chief.
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