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SCOTTY WOOD FURNACE – INSTRUCTION MANUAL
Scotty
Oct-06
7
DISPOSAL OF ASHES
Ashes should be placed in a metal container with a tight fitting lid. The closed container
of ashes should be placed on a non-combustible floor or on the ground, well away from
all combustible materials, pending final disposal. If the ashes are disposed of by burial
in soil or otherwise locally dispersed, they should be retained in the closed container
until all cinders have thoroughly cooled.
WARNING – Ashes usually contain live dormant coals, which may burn for many hours
after a recognizable flame has disappeared. Use extreme caution when handling and
disposing ashes.
IMPORTANT – No other waste shall be placed in this container.
1.5.2 SERVICING
The furnace air filter must be checked monthly and replaced each year. Annually
lubricate the blower motor, if it is not permanently lubricated, with 4-6 drops of SAE-30
oil in each bearing.
CAUTION: Failure to keep air filter clean will result in poor furnace performance and
possible damage to wood furnace heat exchanger.
1.6 SAFETY
If the furnace overheats due to improper operation the following precautions should be
taken:
1) DO NOT shut off power. The blower must be kept running to disperse excessive
heat.
2) Manually close the damper door by unhooking the chain.
3) Check controls for proper operation before starting a new fire.
WARNING – The maximum opening of the combustion air damper is preset at the
factory. DO NOT adjust the stop or attempt to increase the combustion air by any
means.
1.7 CONTROLS (Fig S102-3)
Thermostat
The primary control is the room thermostat located near the center of the house on the
main floor or near an existing thermostat. The thermostat operates the damper motor to
open and close the damper door thus allowing more or less air into the combustion area
to control the fire.
Fan & Limit
The fan and limit control mounted in the plenum controls the operation of the circulating
blower and prevents the furnace from over-heating. When the air temperature in the
plenum reaches the “ON” set point of the fan switch (usually 140º F (60º C)) the blower
starts and runs until the plenum cools to the “OFF” set point (usually 100º F (38º C))
when the blower is switched off. The limit function in this control is usually set at (250º
F (121º C)) and will override the room thermostat to close the damper door if the
furnace overheats, and will also prevent the oil furnace from starting.