Desa BY150ECA User Manual
PORTABLE
FORCED
AIR HEATERS
OWNER’S MANUAL
Model BY100ECA 100,000 Btu/Hr 120v/60 Hz
Model BY150ECA 150,000 Btu/Hr 120v/60 Hz
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.
95
CONTENTS
SECTION PAGE
Safety Information......................................................................... 2
Product Identification .................................................................... 4
Unpacking ..................................................................................... 5
Assembly ....................................................................................... 5
Theory of Operation ...................................................................... 6
Fuels ..............................................................................................6
Ventilation ..................................................................................... 7
Operation ....................................................................................... 7
Storing, Transporting, or Shipping ................................................ 8
Preventative Maintenance Schedule .............................................8
Troubleshooting.............................................................................9
Service Procedures ........................................................................ 10
Upper Shell Removal.............................................................. 10
Fan...........................................................................................10
Air Output, Air Intake, and Lint Filters.................................. 10
Pump Pressure Adjustment..................................................... 11
Fuel Filter................................................................................ 11
Spark Plug............................................................................... 12
Nozzle ..................................................................................... 12
Pump Rotor ............................................................................. 13
Specifications.................................................................................14
Wiring Diagrams ........................................................................... 14
Replacement Part and Accessory .................................................. 14
Illustrated Parts Breakdown .......................................................... 16
Wheels and Handle ................................................................. 15
Model BY100ECA, 100,000 Btu/Hr ...................................... 16
Model BY150ECA, 150,000 Btu/Hr ...................................... 18
EC Conformity Declaration ..........................................................20
Warranty and Repair Service ........................................................ Back Cover
SAFETY
INFORMATION
2
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.
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SAFETY
INFORMATION
Continued
WARNINGS
• 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 regula-
tions 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 stor age shall be outside the struc-
ture.
f) All fuel storage shall be located a minimum of 762 cm (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 penetra-
tions 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 ha v-
ing 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 305 cm (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 2800 square cm
(three-square-foot) opening of fresh, outside air for each 100,000 Btu/Hr of rating.
• 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: 250 cm (8 Ft.) Sides, top, and rear: 125 cm (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.
(Continued)
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3
PRODUCT
IDENTIFICATION
Hot Air
Outlet
Lower
Shell
Upper Shell
Fuel Cap
Fan Guard
Fuel Tank
Side Cover
Hot Air
Outlet
Lower
Shell
Fuel Cap
Flame-Out
Control Reset
Button
Figure 1 - 100,000 Btu/Hr Model
Upper Shell
Power Cord
Fan Guard
Fuel Tank
Side Cover
Power Cord
Flame-Out
Control Reset
Button
Figure 2 - 150,000 Btu/Hr Model
4
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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.
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:
wheel support frame (see Figure 3).
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 on top of fuel tank flange. Insert screws
through handles, 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.
When installing wheels, point extended hub of wheels toward
Front Handle
Hot Air
Outlet
Fuel
Tank
Flange
Wheel
Support
Frame
Wheel
Cap Nut
Screw
Nut
Extended
Axle
Figure 3 - Wheel and Handle Assembly
Hub
Rear Handle
Air Inlet
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5
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.
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.
Clean
Heated
Air Out
Fuel
Tank
Combustion
Chamber
Nozzle
Air For Fuel
System
Figure 4 - Cross Section Operational View
THEORY CUTAWAY
Spark
Plug
Fuel
Filter
Motor
Burner
Head
Air Line
To Burner
Air For Combustion
And Heating
PFA/OV 003
Fan
Air Pump
Air
Intake
Filter
Cool
Air
In
Air
Output
Filter
Electronic
Ignitor
Fuel
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 non-toxic anti-icer in fuel during very cold weather
IMPORTANT:
container is clean. Foreign matter such as rust, dirt, or water will cause the flameout control to shut down heater. Foreign matter may also require you to clean fuel
system often.
6
Use a KEROSENE ONLY storage container. Be sure storage
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VENTILATION
!
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 a fresh air opening of at least 2800 square cm (three square feet) for each
100,000 Btu/Hr rating. Provide extra fresh air if more heaters are being used.
OPERATION
Example:
A 150,000 Btu/Hr heater requires one of the following:
• a two-car garage door raised 15.24 cm (six inches)
• a single-car garage door raised 22.86 cm (nine inches)
• two, 76.20 cm (thirty-inch) windows raised 30.48 cm (twelve inches)
!
WARNING
Review and understand the warnings in the Safety Information Section, pages 2 and 3. 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 standard 120 volt/60 hertz, grounded (earthed)
outlet. Use an extension cord if needed. Use only a three-prong, grounded
(earthed) extension cord.
Extension Cord Wire Size Requirements
Up to 30.5 meters (100 feet) long, use 1.0 mm2 (16 AWG) conductor
30.6 to 61 meters (101 to 200 feet) long, use 1.5 mm2 (14 AWG) conductor
Heater will start when power cord is plugged into outlet. If not, push in flame-
out control reset button (see Figure 5).
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Flame-Out Control
Reset Button
Figure 5 - Flame-Out Control Reset Button
Continued
7
OPERATION
Continued
STORING,
TRANSPORTING
,
OR SHIPPING
To Stop Heater
1. Unplug extension cord from outlet.
To Restart Heater
1. Wait two minutes after stopping heater.
2. Repeat steps under To Start Heater, page 7.
Note:
If shipping, transport companies require fuel tanks to be empty.
1. Drain fuel tank.
Note:
Some models have drain plug on underside of fuel tank. If so, remove
drain plug to drain all fuel. If heater does not have drain plug, drain fuel
through fuel cap opening. Be sure all fuel is removed.
2. Replace drain plug if provided.
3. If any debris is noted in old fuel, add 1 or 2 quarts of clean kerosene to tank,
stir, and drain again. This will prevent excess debris from clogging filters
during future use.
4. Replace fuel cap or drain plug. Properly dispose of old and dirty fuel. Check
with local automotive service stations that recycle oil.
5. If storing, store heater in dry place. Make sure storage place is free of dust and
corrosive fumes.
PREVENTATIVE
MAINTENANCE
SCHEDULE
IMPORTANT:
heating season. Using old fuel could damage heater.
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
Item How Often How To
Fuel tank Flush every 150-200 hours See Storing, Transporting, or
Air output and Replace every 500 hours of See Air Output, Air Intake,
lint filters operation or once a year. and Lint Filters, page 10.
Air intake Wash and dry with soap and See Air Output, Air Intake,
filter water every 500 hours of op- and Lint Filters, page 10.
Fuel filter Clean twice a heating season See Fuel Filter, page 11.
Do not store kerosene over summer months for use during next
!
WARNING
of operation or as needed. Shipping, above.
eration or replace as needed.
or replace as needed.
Spark plug Clean and regap every 600 See Spark Plug, page 12.
hours operation or replace
as needed.
Fan blades Clean each season or as needed. See Fan, page 10.
Motor Not required/permanently lubricated
8
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