Desa R200, B200, REM200 User Manual
PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
200,000 Btu/Hr
Models: B200, R200, and REM200
IMPORTANT
Read and understand this manual before assembling, starting, or servicing
heater. Improper use of heater can cause serious injury. Keep this manual
for future reference.
®
ARL LOGO
G 004
200,000 Btu/Hr
PORTABLE FORCED AIR HEATER
SAFETY
INFORMATION
WARNINGS
IMPORTANT: Read this Owner’s
Manual carefully and completely
before trying to assemble,
operate, or service this heater.
Improper use of this heater can
cause serious injury or death from
burns, fire, explosion, electrical
shock, and carbon monoxide
poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early
signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness,
and/or nausea. If you have these signs, the
heater may not be working properly. Get
fresh air at once! Have heater serviced.
Some people are more affected by carbon
monoxide than others. These include pregnant women, persons with heart or lung
disease or anemia, those under the influence
of alcohol, and those at high altitudes.
Make certain you read and understand all
Warnings. Keep this manual for reference.
It is your guide to safe and proper operation
of this heater.
• Use only kerosene or No. 1 fuel oil to
avoid risk of fire or explosion. Never use
gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels.
• Fueling
a)Personnel involved with fueling shall
be qualified and thoroughly familiar
with the manufacturer's instructions
and applicable federal, state, and local regulations regarding the safe fueling of heating units.
b)Only the type of fuel specified on the
heater's data plate shall be used.
c)All flame, including the pilot light, if
any, shall be extinguished and the heater
allowed to cool, prior to fueling.
d)During fueling, all fuel lines and fuel-
line connections shall be inspected for
leaks. Any leaks shall be repaired
prior to returning the heater to service.
e)At no time shall more than one day's
supply of heater fuel be stored inside
a building in the vicinity of the heater.
Bulk fuel storage shall be outside the
structure.
f) All fuel storage shall be located a
minimum of 25 feet from heaters,
torches, welding equipment, and
similar sources of ignition (exception:
the fuel reservoir integral with the
heater unit).
g)Whenever possible, fuel storage shall
be confined to areas where floor penetrations do not permit fuel to drip
onto or be ignited by a fire at lower
elevation.
h)Fuel storage shall be in accordance
with the federal, state, or local authority having jurisdiction.
• Never use heater where gasoline, paint
thinner, or other highly flammable vapors are present.
• Follow all local ordinances and codes
when using heater.
• Heaters used in the vicinity of tarpaulins, canvas, or similar enclosure materials shall be located a safe distance from
such materials. The recommended minimum safe distance is 10 feet. It is further recommended that these enclosure
materials be of a fire retardant nature.
These enclosure materials shall be securely fastened to prevent them from
igniting or from upsetting the heater due
to wind action.
• Use only in well-vented areas. Before
using heater, provide at least a threesquare-foot opening of fresh, outside
air for each 100,000 Btu/Hr of rating.
This heater produces carbon monoxide,
which is listed by the State of California as a reproductive toxin under Proposition 65.
• Use only in places free of flammable
vapors or high dust content.
• Use only the electrical voltage and frequency specified on model plate.
• Use only a three-prong, grounded extension cord.
• Minimum heater clearances from combustibles:
Outlet: 8 Ft. Sides: 4 Ft.
Top: 4 Ft. Rear: 4 Ft.
• Locate heater on a stable and level surface if heater is hot or running or a fire
may occur.
• When moving or storing heater, keep
heater in a level position or fuel spillage may occur.
• Keep children and animals away from
heater.
• Unplug heater when not in use.
• When used with thermostat, heater may
start anytime.
• Never use heater in living or sleeping
areas.
• Never block air inlet (rear) or air outlet
(front) of heater.
• Never move, handle, refuel, or service
a hot, operating, or plugged-in heater.
• Never attach duct work to front or rear
of heater.
• Warning to New York City Residents
For Use Only At Construction Sites
in accordance with applicable NYC codes
under NYCFD certificate of approval
#4803, #4899, #4908, #4909, or #4934.
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OWNER’S MANUAL
PRODUCT
IDENTIFICATION
Hot Air
Outlet
Lower
Shell
Fuel Cap
Side Cover
Upper Shell
Flame-out
Control Reset
Button
UNPACKING
1. Remove all packing items applied to
heater for shipment.
2. Remove all items from carton.
3. Check items for shipping damage. If
heater is damaged, promptly inform
dealer where you bought heater.
Fan Guard
Fuel
Tank
Power Cord
Figure 1 - 200,000 Btu/Hr
102569
3
200,000 Btu/Hr
PORTABLE FORCED AIR HEATER
ASSEMBLY
These models are furnished with wheels and
a front handle. Some models are furnished
with a rear handle also. Wheels, handle(s),
and the mounting hardware are found in the
shipping carton.
Tools Needed
• Medium Phillips Screwdriver
• 3/8" Open or Adjustable Wrench
• Hammer
1. Slide axle through wheel support
frame. Install wheels on axle.
IMPORTANT:
point extended hub of wheels toward
wheel support frame (see Figure 2).
When installing wheels,
2. Place cap nuts on axle ends. Gently tap
with hammer to secure.
3. Place heater on wheel support frame.
Make sure air inlet end (rear) of heater
is over wheels. Line up holes on fuel
tank flange with holes on wheel support frame.
4. Place front handle (and rear handle if
provided) on top of fuel tank flange.
Insert screws through handle(s), fuel
tank flange, and wheel support frame.
Attach nut finger tight after each screw
is inserted.
5. After all screws are inserted, tighten
nuts firmly.
Front
Handle
FUELS
WARNING:Use only kerosene
or No. 1 fuel oil to avoid risk of fire
or explosion. Never use gasoline,
naphtha, paint thinners, alcohol,
or other highly flammable fuels.
Do not use heavy fuels such as No. 2 fuel oil
or No. 2 Diesel. Using heavy fuels will
result in:
• clogged fuel filter and nozzle
• carbon build up on spark plug
• the need of nontoxic anti-icer in fuel during very cold weather
IMPORTANT:
storage container. Be sure storage container
is clean. Foreign matter such as rust, dirt, or
water will cause the flame-out control to
shut down heater. Foreign matter may also
require you to clean fuel system often.
Use a KEROSENE ONLY
VENTILATION
Fuel
Tank
Flange
Wheel
Support
Frame
Wheel
Cap Nut
Hot Air
Outlet
Screw
Nut
Axle
Extended
Hub
Rear
Handle
Air
Inlet
WARNING: Follow the minimum fresh, outside air ventilation requirements. If proper fresh,
outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper
fresh, outside air ventilation before running heater.
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 heaters are being used.
Example:
quires one of the following:
• a two-car garage door (16 feet wide opening) raised five inches
• a single-car garage door (9 feet wide
opening) raised eight inches
• two windows (30 inches wide opening)
raised fifteen inches
A 200,000 Btu/Hr heater re-
Figure 2 - Wheel and Handle Assembly
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102569
OWNER’S MANUAL
THEORY OF
OPERATION
The Fuel System: The air pump forces
air through the air line. The air is then
pushed through the burner head nozzle. This
air causes fuel to lift from the tank. A fine
mist of fuel is sprayed into the combustion
chamber.
Combustion
Chamber
Clean
Heated
Air Out
Fuel
Tank
Figure 3 - Cross Section Operational View
Nozzle
Air For Fuel
System
Spark
Plug
Fuel
Filter
The Air System: The motor turns the fan.
The fan pushes air into and around the
combustion chamber. This air is heated and
provides a stream of clean, hot air.
The Ignition System: The electronic
ignitor sends voltage to the spark plug. The
spark plug ignites the fuel and air mixture.
The Flame-out Control System: This
system causes the heater to shut down if the
flame goes out.
Motor
Burner
Head
Air Line
To Burner
Air For Combustion
And Heating
Fan
Air Pump
Air
Intake
Filter
Cool Air
In
Air
Output
Filter
Electronic
Ignitor
Fuel
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. They are needed to safely operate this heater. Follow all local
codes when using this heater.
TO START HEATER
1. Follow all ventilation and safety
information.
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. Extension cord must be at least six feet long.
Extension Cord Wire Size
Requirements
6 to 10 feet long, use 18 A WG rated cord
11 to 100 feet long, use 16 A WG rated cord
101 to 200 feet long, use 14 A WG rated cord
5. Plug extension cord into standard 120
volt/60 hertz, three-hole, grounded
outlet. Heater will start when extension cord is plugged into outlet. If not,
push in flame-out control reset button
(see Figure 4).
TO STOP HEATER
1. Unplug extension cord from outlet.
TO RESTART HEATER
1. W ait two minutes after stopping heater .
2. Repeat steps under To Start Heater.
section, page
102569
Flame-out
Control
Reset
Button
Figure 4 - Flame-out Control Reset Button
5
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