Desa B70D - Manual (Page 4)

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PORTABLE FORCED AIR HEATERS
70,000 Btu/Hr H.S.I. Series
TO START HEATER
1. Follow all ventilation and safety infor-
mation.
2. Fill fuel tank with kerosene or No. 1
fuel oil.
3. Attach fuel cap.
4. Plug power cord of heater into three-
prong, grounded extension cord. Exten-
sion cord must be at least six feet long.
Extension Cord Wire Size Re-
quirements
• 6 to 10 feet long, use 18 AWG rated
cord
• 11 to 100 feet long, use 16 AWG
rated cord
• 101 to 200 feet long, use 14 AWG
rated cord
5. Plug extension cord into standard 120 volt/
60 hertz, three-hole, grounded outlet.
Note: Ignitor will preheat for five sec-
onds then heater will start.
TO STOP HEATER
Unplug extension cord from outlet.
TO RESET HEATER
1. Unplug extension cord from outlet and
wait 10 seconds (two minutes if heater
has been running).
2. Plug extension cord into standard 120 volt/
60 hertz, three-hole, grounded outlet.
Note: Ignitor will preheat for five sec-
onds then heater will start.
Do not use heavy fuels such as No. 2 fuel oil
or No. 2 Diesel. Using heavy fuels will
result in a clogged fuel filter and/or nozzle.
IMPORTANT: Use a KEROSENE ONLY
storage container. Be sure storage container is
clean. Foreign matter such as rust, dirt, or
water will cause the ignition control assembly
to shut down the heater. Foreign matter may
also require you to clean fuel system often.
Provide at least a three-square-foot opening
of fresh, outside air for each 100,000 Btu/Hr
rating. Provide extra fresh air if more heat-
ers are being used.
Example: A 70,000 Btu/Hr heater requires
one of the following:
• a two-car garage door (16 feet wide open-
ing) raised two inches
• a single-car garage door (9 feet wide
opening) raised three inches
• two windows (30 inches wide opening)
raised six inches
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information section, page
2. They are needed to safely op-
erate this heater. Follow all local
codes when using this heater.
FUELS
WARNING: Use only kerosene
or No. 1 fuel oil to avoid risk of fire
or explosion. Never use gaso-
line, naphtha, paint thinners, al-
cohol, or other highly flammable
fuels.
VENTILATION
Follow the minimum fresh,
outside air ventilation require-
ments. If proper fresh, outside air
ventilation is not provided, car-
bon monoxide poisoning can
occur. Provide proper fresh, out-
side air ventilation before run-
ning heater.