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.
R
PORTABLE FORCED AIR HEATERS
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 atonce! 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 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 762cm (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 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 304.8cm (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 30 kw (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.
2
105398
OWNER’S MANUAL
PRODUCT
IDENTIFICATION
Hot Air Outlet
Upper Shell
Lower Shell
Fuel Tank
Side Cover
ON/OFF Switch
with Light
Power
Cord
Figure 1 - B35CEH and B70CEH Models
Hot Air Outlet
Handle
Fan Guard
Air Filter
End Cover
Fuel Cap
UNPACKING
1.Remove all packing items applied to
heater for shipment.
2.Remove all items from carton.
3.Check items for any shipping damage.
If heater is damaged, promptly inform
dealer where you bought heater.
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
• use of non-toxic anti-icer in fuel during
very cold weather
IMPORTANT:
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
Lower
Shell
Fuel Cap
Side Cover
Figure 2 - B100CEH and B150CEH Models
Upper Shell
Fan Guard
Fuel Tank
Power Cord
ON/OFF Switch
with Light
105398
3
R
PORTABLE FORCED AIR HEATERS
ASSEMBLY
(FOR B100CEH AND
B150CEH MODELS ONLY)
These models are furnished with wheels and
handles. Wheels, handles, 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 3).
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 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.
Front Handle
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 30kw
(100,000 Btu/Hr) rating. Provide extra fresh
air if more heaters are being used.
Example:
requires one of the following:
• a two-car garage door [4.9 meter (16 feet)
opening] raised 9 cm (3.5 inches)
• a single-car garage door [2.75 meter (9
feet) opening] raised 15.25 cm (6 inches)
• two, 76 cm (30 inch) windows raised 28
cm (11 inches)
A 44kw (150,000 Btu/Hr) heater
Screw
Hot Air
Outlet
Fuel Tank
Flange
Wheel
Support
Frame
Wheel
Cap Nut
Figure 3 - Wheel and Handle Assembly
Nut
Axle
Rear
Handle
Air
Inlet
Extended
Hub
4
105398
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.
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 ignition control
assembly provides power to the ignitor.
This ignites the fuel/air mixture in the combustion chamber.
The Flame-Out Control System: This sys-
tem causes the heater to shut down if the
flame goes out.
Combustion Chamber
Ignitor
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 standard
230 volt/50 hertz, grounded (earthed)
outlet. Use an extension cord if needed.
Use only a three-prong, grounded
(earthed) extension cord.
Motor
Fan
section, page
Air Pump
Air Intake
Filter
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 mm
2
(14 AWG) conductor
Push ON/OFF switch to ON (|) position and
heater should start in 5 seconds. If heater
does not start, see Troubleshooting (page 7).
TO STOP HEATER
Push ON/OFF switch to OFF (O) position.
TO RESET HEATER
1.Push ON/OFF switch to OFF (O) position and wait 10 seconds (2 minutes if
heater has been running).
2.Repeat steps under To Start Heater.
ON/OFF Switch
|
with Light
O
Clean
Heated
Air Out
Fuel
Tank
Figure 4 - Cross Section Operational View
Nozzle
Air For Fuel System
Fuel
Filter
Air Line
To Burner
Air For Combustion
And Heating
Cool
Air
In
Air
Output
Filter
Ignition Control
Assembly
Fuel
Figure 5 - ON/OFF Switch, B35CEH and
B70CEH Models
ON/OFF Switch
|
with Light
O
Figure 6 - ON/OFF Switch, B100CEH and
B150CEH Models
105398
5
R
PORTABLE FORCED AIR HEATERS
STORING,
TRANSPORTING,
OR SHIPPING
Note:
If shipping, transport companies re-
quire 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.
IMPORTANT:
summer months for use during next heating
season. Using old fuel could damage heater.
Do not store kerosene over
PREVENTATIVE
MAINTENANCE
SCHEDULE
Item
Fuel tank
Air output and
lint filters
Air intake filter
Fuel filter
Ignitor
Fan blades
Motor
How Often
Flush every 150-200 hours of
operation or as needed
Replace every 500 hours of
operation or once a year
Wash and dry with soap and
water every 500 hours of operation or as needed
Clean twice a heating season
or as needed
No maintenance required
Clean every season or as
needed
Not required/permanently lu-
bricated
WARNING: Never service heater
while it is plugged in, operating, or hot.
Severe burns and electrical shock can
occur.
How To
See Storing, Transporting, or Ship-
ping
See Air Output, Air Intake, and Lint
Filters, page 10
See Air Output, Air Intake, and Lint
Filters, page 10
See Fuel Filter, page 8
See Fan, page 13
TROUBLESHOOTING
WARNING: Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
HEATER WITH FUSED OR NON-FUSED IGNITION CONTROL ASSEMBLY
FAULT CONDITION
Motor does not start five seconds after heater
is plugged in (ON/OFF switch light remains
on)
POSSIBLE CAUSE
1. Bad electrical connection between motor
and ignition control assembly or ignition
control assembly and power cord
WARNING: High voltage!
2. Binding pump rotor
3. Defective ignition control assembly
4. Defective motor
6
REMEDY
1. Check all electrical connections. See
Wiring Diagram, page 23
2. If fan does not turn freely, see PumpRotor, page 12
3. Replace ignition control assembly
4. Replace motor
105398
TROUBLESHOOTING
Continued
OWNER’S MANUAL
FAULT CONDITION
Motor starts and runs but heater does not
ignite (ON/OFF switch light remains on)
Heater ignites but ignition control assembly
shuts heater off after a short period of time
(ON/OFF switch light remains on)
POSSIBLE CAUSE
1. No fuel in tank
2. Pump pressure incorrect
3. Dirty fuel filter
4. Obstruction in nozzle assembly
5. Water in fuel tank
WARNING: High voltage!
6. Bad electrical connection between
ignitor and ignition control assembly
7. Defective ignitor
8. Defective ignition control assembly
1. Pump pressure incorrect
2. Dirty air intake, air output, and/or lint
filter
3. Dirty fuel filter
4. Obstruction in nozzle assembly
5. Photocell assembly not properly
installed (not seeing the flame)
WARNING: High voltage!
REMEDY
1. Fill tank with kerosene
2. See Pump Pr essure Adjustment, page 10
3. See Fuel Filter, page 8
4. See Nozzle Assembly, page 11
5. Drain and flush fuel tank with clean
kerosene. See Storing, Transporting, orShipping, page 6
6. Check electrical connections. See WiringDiagram, page 23
7. Replace ignitor, see page 9
8. Replace ignition control assembly
1. See Pump Pr essure Adjustment, page 10
2. See Air Output, Air Intake, and LintFilters, page 10
3. See Fuel Filter, page 8
4. See Nozzle Assembly, page 11
5. Make sure photocell boot is properly
seated in bracket
6. Dirty photocell lens
7. Bad electrical connection between
photocell and ignition control assembly
8. Defective photocell
9. Defective ignition control assembly
6. Clean photocell lens
7. Check electrical connections. See Wiring
8. Replace photocell
9. Replace ignition control assembly
HEATER WITH NON-FUSED IGNITION CONTROL ASSEMBLY ONLY
ATTENTION:
Use the light in the ON/OFF switch to troubleshoot the fault condition.
FAULT CONDITION
ON/OFF switch light does not come on
when switch is turned to the ON (|) position
and heater does not start
ON/OFF switch light comes on when switch
is turned to the ON (|) Position but turns off
after five seconds
The ignition control has built-in protection against current overloads.
POSSIBLE CAUSE
1. No power to heater
WARNING: High voltage!
2. Bad electrical connections
3. Electrical short in ignitor
1. Electrical short in motor
WARNING: High voltage!
REMEDY
1. Verify that power cord is plugged into
2. Check electrical wiring and connections.
3. Check ignitor wiring. If no problems are
1. Check motor wiring. If no problems are
Diagram, page 23
an electrical outlet and that the circuit
breaker in the electral panel is reset
See W iring Diagram, page 23
found, replace ignitor (see page 9)
found, replace motor
105398
7
R
PORTABLE FORCED AIR HEATERS
SERVICE
PROCEDURES
WARNING: Never service
heater while it is plugged in, operating, or hot. Severe burns and
electrical shock can occur.
UPPER SHELL REMOVAL
1.Remove screws and lock washers along
each side of heater using 5/16" nutdriver. These screws attach upper and
lower shells together.
2.Lift upper shell off.
3.Remove fan guard.
FUEL FILTER
(B35CEH and B70CEH Models)
1.Remove side cover screws using 5/16"
nut-driver.
2.Remove side cover.
3.Pull rubber fuel line off fuel filter neck.
4.Carefully pry bushing and fuel filter out
of fuel tank.
5.W ash fuel filter with clean fuel and replace in tank.
6.Attach rubber fuel line to fuel filter
neck.
7.Replace side cover.
FUEL FILTER
(B100CEH and
B150CEH Models)
1.Remove side cover screws using 5/16"
nut-driver.
2.Remove side cover.
3.Pull upper fuel line off fuel filter neck.
4.Carefully pry bushing, lower fuel line,
and fuel filter out of fuel tank.
5.W ash fuel filter with clean fuel and replace in tank.
6.Attach upper fuel line to fuel filter neck.
7.Replace side cover.
Upper Shell
Fan
Guard
Figure 7 - Upper Shell Removal, B35CEH
and B70CEH Models
Fuel Filter
Side Cover
Figure 9 - Fuel Filter Removal, B35CEH and B70CEH Models
Fuel Filter, Bushing,
and Lower Fuel Line
Upper
Shell
Figure 8 - Upper Shell Removal, B100CEH
and B150CEH Models
Fuel Line
Fan
Guard
Upper Fuel
Line
Side Cover
Figure 10 - Fuel Filter Removal, B100CEH and B150CEH Models
8
105398
OWNER’S MANUAL
SERVICE
PROCEDURES
Continued
IGNITOR
1.Remove upper shell and fan guard (see
page 8).
2.Remove fan (see page 13).
3.Remove 4 side cover screws with a
5/16" nut driver. Remove side cover
(see Figure 9 or 10, page 8).
4.Disconnect ignitor wires (black) from
ignition control assembly (see Figure
11). Pull the ignitor wires up through
the hole in the lower shell.
5.Disconnect fuel line hose and air line
hose. Remove photocell from photocell
bracket (see Figure 11).
Combustion
Chamber
Nozzle
Adapter
Bracket
Ignitor
6.Remove combustion chamber. Stand
combustion chamber on end with
nozzle adapter bracket on top (see Figure 12).
7.Remove ignitor screw with a 1/4" nut
driver. Carefully remove ignitor from
nozzle adapter bracket.
CAUTION: Do not bend or strike
ignitor element. Handle with care.
8.Carefully remove replacement ignitor
from styrofoam packing.
9.Carefully guide ignitor into opening in
nozzle adapter bracket. Do not strike
ignitor element. Attach ignitor to
nozzle adapter bracket with screw using a 1/4" nut driver (see Figure 12).
T orque .90 to 1.69 N-m (8 to 15 in-lbs)
Do not over torque.
Ignitor Screw/Washer
Assembly
10. Replace combustion chamber.
11. Route the ignitor wires back down
through the hole in the lower shell.
Connect wires to the ignition control
assembly.
12. Replace side cover (see Figure 9 or 10,
page 8).
13. Connect and route fuel line hose and
air line hose to burner head. See Fuel
and Air Line Replacement and Proper
Routing, page 11.
14. Replace photocell in photocell bracket.
Route wires as shown in either Figure
17, 18, or 19, page 11.
15. Replace fan (see page 13).
16. Replace fan guard and upper shell (see
page 8).
Air
Line
Hose
Fuel
Line
Hose
Photocell
Bracket
Photocell
Assembly
Side Cover
Figure 11 - Disconnecting Ignitor Wires
from Ignition Control Assembly
Ignitor
Wires
Ignition
Control
Assembly
Ignitor
Element
Photocell
Bracket
Combustion
Chamber
Figure 12 - Ignitor Replacement
Nozzle Adapter
Bracket Opening
Nozzle
Adapter
Bracket
Ignitor
105398
Continued
9
R
PORTABLE FORCED AIR HEATERS
SERVICE
PROCEDURES
Continued
AIR OUTPUT, AIR INTAKE,
AND LINT FILTERS
1.Remove upper shell (see page 8).
2.Remove filter end cover screws using
5/16" nut-driver.
3.Remove filter end cover.
4.Replace air output and lint filters.
5.Wash or replace air intake filter (see
Preventative Maintenance Schedule,
page 6).
6.Replace filter end cover.
7.Replace fan guard and upper shell.
IMPORTANT:
PUMP PRESSURE
ADJUSTMENT
1.Remove pressure gauge plug from filter
end cover.
2.Install accessory pressure gauge (part
number HA1180).
3.Start heater (see Operation, page 5).
Allow motor to reach full speed.
4.Adjust pressure. Turn relief valve to
right to increase pressure. Turn relief
valve to left to decrease pressure. See
specifications below for correct pressure for each model.
5.Remove pressure gauge. Replace pressure gauge plug in filter end cover.
Do not oil filters
Air Intake Filter
Filter End
Cover
Lint Filter
Air Output
Filter
Figure 13 - Air Output, Air Intake, and Lint Filters, B35CEH and B70CEH Models
Air Intake Filter
Filter End
Cover
Lint Filter
Air Output
Filter
Figure 14 - Air Output, Air Intake, and Lint Filters, B100CEH and B150CEH Models
3.Remove fuel and air line hoses from
nozzle assembly (see Figure 17, 18 or 19).
4.Turn nozzle assembly 1/4 turn to left
and pull toward motor to remove (see
Figure 20).
5.Place plastic hex-body into vise and
lightly tighten.
6. Carefully remove nozzle from the
nozzle adapter using 5/8" socket
wrench (see Figure 21).
7.Blow compressed air through face of
nozzle. This will free any dirt in nozzle
area.
8.Inspect nozzle seal for damage.
9.Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more
using 5/8" socket wrench 4.5 to 5.1 Nm (40 to 45 in-lbs). See Figure 21.
10. Attach nozzle assembly to burner strap.
11. Attach fuel and airline hoses to nozzle
assembly. See Fuel and Airline Re-placement and Proper Routing.
12. Replace fan (see page 13).
13. Replace fan guard and upper shell (see
page 8).
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Nozzle/
Adapter
Assembly
Air Line
Hose
Fuel Line Hose
Figure 17 - Removing Air and Fuel Line
Hoses (B35CEH and B70CEH Models
Only)
Combustion
Chamber
Nozzle Adapter
Bracket
Air Line
Hose
Photocell Bracket
Figure 18 - Removing Air and Fuel Line
Hoses (B100CEH Model Only)
Combustion
Chamber
Nozzle Adapter
Bracket
Photocell
Bracket
Air Line
Hose
Fuel Line Hose
Figure 19 - Removing Air and Fuel Line
Hoses (B150CEH Model Only)
Combustion
Chamber
Figure 20 - Removing Nozzle/Adapter
Assembly
Nozzle Face
Nozzle Seal
Nozzle
Nozzle Adapter
Air Line Fitting
Figure 21 - Nozzle and Nozzle Adapter
Nozzle/
Adapter
Assembly
Fuel Line
Hose
Nozzle/
Adapter
Assembly
Nozzle/
Adapter
Assembly
Fuel Line Fitting
FUEL AND AIR LINE
REPLACEMENT AND
PROPER ROUTING
1.Remove upper shell (see page 8).
2.Remove side cover screws using 5/16"
nut driver.
3.Remove side cover.
4.Inspect fuel and air line hoses for cracks
and/or holes. If fuel line hose is damaged,
disconnect from nozzle adapter (see Figure 17, 18, or 19) and from fuel filter (see
page 8). If air line hose is damaged, disconnect from nozzle adapter (see Figure
17, 18, or 19) and from barb fitting on
pump end cover (see Figure 22).
5.Install new air and/or fuel line. Attach
one end of air line hose to barb fitting
on pump end cover (see Figure 22) and
the other end to nozzle adapter (see
Figure 17, 18, or 19). Attach one end
of fuel line hose to fuel filter (see page
8) and the other end to nozzle adapter
(see Figure 17, 18, or 19).
For B35CEH and B70CEH model heaters, route air and fuel lines approximately as shown in Figure 17.
Note:
Hoses are not to be touching pho-
tocell bracket.
For B100CEH model heater, route air
and fuel lines approximately as shown
in Figure 18.
Note:
Hoses are not to be touching pho-
tocell bracket.
For B150CEH model heater, route air
and fuel lines approximately as shown
in Figure 19.
Note:
Hoses are not to be touching pho-
tocell bracket
6.Replace side cover.
7.Replace upper shell and fan guard (see
page 8).
Pump End Cover
Barb Fitting
Air Hose
Figure 22 - Air Hose to Barb FItting
Continued
Continued
105398
11
R
PORTABLE FORCED AIR HEATERS
SERVICE
PROCEDURES
Continued
PUMP ROTOR
(Procedure if Rotor is Binding)
1.Remove upper shell (see page 8).
2.Remove filter end cover screws using
5/16" nut-driver.
3.Remove filter end cover and air filters.
4.Remove pump plate screws using 5/16"
nut-driver.
5.Remove pump plate.
6.Remove rotor, insert, and blades.
7.Check for debris in pump. If debris is
found, blow out with compressed air.
8.Install insert and rotor.
9.Check gap on rotor. Adjust to .076/.101
mm (.003"/.004") if needed (see Figure 25).
Note:
Rotate rotor one full turn to ensure
the gap is .076/.101 mm (.003"/.004") at
tightest position. Adjust if needed.
10. Install blades, pump plate, air filters,
and filter end cover.
11. Replace fan guard and upper shell.
12. Adjust pump pressure (see page 10).
Note:
If rotor is still binding, proceed as
follows.
13. Perform steps 1 through 6 above.
14. Place fine grade sandpaper (600 grit)
on flat surface. Sand rotor lightly in
“figure 8” motion four times (see Figure 26).
15. Reinstall insert and rotor.
16. Perform steps 10 through 12 above.
Blade
Pump
Plate
Insert
Figure 23 - Rotor Location, B35CEH and B70CEH Models
Insert
Figure 24 - Rotor Location, B100CEH and B150CEH Models
Gap Adjusting
Screw
Blade
Rotor
Air Output
Filter
Blade
Rotor
Air Output
Filter
.076/.101 mm (.003"/.004") Gap
Measured With Feeler Gauge
Air
Intake
Filter
Filter End
Cover
Pump
Plate
Air Intake Filter
Filter End
Cover
Fan Guard
Fan Guard
Rotor
Gap Adjusting
Screw
Figure 25 - Gap Adjusting Screw Locations
12
Sandpaper
Figure 26 - Sanding Rotor
105398
OWNER’S MANUAL
SERVICE
PROCEDURES
Continued
FAN
IMPORTANT:
shaft before removing motor from heater.
The weight of the motor resting on the fan
could damage the fan pitch.
1.Remove upper shell (see page 8).
2.Use 1/8" allen wrench to loosen set-
screw which holds fan to motor shaft.
3.Slip fan off motor shaft.
4.Clean fan using a soft cloth moistened
with kerosene or solvent.
5.Dry fan thoroughly.
6.Replace fan on motor shaft. Place fan
hub flush with end of motor shaft (see
Figure 28).
7.Place setscrew on flat of shaft. Tighten
setscrew firmly 4.5 to 5.6 N-m (40 to
50 in-lbs).
8.Replace fan guard and upper shell.
Setscrew
Remove fan from motor
Fan
IGNITION CONTROL
ASSEMBLY
WARNING: Unplug heater
before servicing.
Remove Old Assembly
1.Using the 5/16" nut driver or socket
wrench, remove the four side cover
screws (see Figure 29).
2.Disconnect the nine wires from the
ignition control assembly.
3.Using needle nose pliers, squeeze the tab
on the printed circuit board support and
lift up on the edge of the ignition control
assembly (see Figure 30). Repeat this for
the other four printed circuit board supports then remove the assembly.
Side
Cover
Figure 29 - Removing Cover
Installing the New Assembly
CAUTION: Ignition control
assembly contains electrostatic
components. Handle the assembly by the edges of the printed
circuit board. Do not touch any
of the quick connect terminals
or electronic components.
1.Align the five holes in the assembly
with the five printed circuit board supports in the side cover.
2.Holding the assembly by the edges of
the printed circuit board, apply downward pressure until all five tabs on the
printed circuit board supports springlock
into place. Pull up on assembly to verify
this (see Figure 31).
3.Connect the nine wire leads to the
ignition control assembly as shown
in the wiring diagram on page 23.
CAUTION: Double check
connections. Connecting ignition control assembly wrong
could result in damage to the
ignition control assembly and/
or other components in the
heater assembly.
Motor
Shaft
Figure 27 - Fan, Motor Shaft, and Setscrew
Location
Fan
Flush
Motor
Shaft
Setscrew
Figure 28 - Fan Cross Section
105398
Side Cover
Ignition
Control
Assembly
Figure 30 - Removing Circuit Board
Printed Circuit
Board Supports (5)
13
4.Using the 5/16" nut driver or socket
wrench reinstall side cover to heater.
Tighten screws until snug. Do not over
torque!
This list contains replaceable parts used in your heater. When ordering parts, be sure to
provide the correct model and serial numbers (from the model plate), then the part number
and description of the desired part.
This list contains replaceable parts used in your heater. When ordering parts, be sure to
provide the correct model and serial numbers (from the model plate), then the part number
and description of the desired part.
This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the
correct model and serial numbers (from the model plate), then the part number and description of the
desired part.
This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the
correct model and serial numbers (from the model plate), then the part number and description of the
desired part.
Output Rating (kw/Btu/Hr)10 (35,000) 20 (70,000) 30 (100,000) 44 (150,000)
FuelUse Only Kerosene or No. 1 Fuel Oil
Fuel Tank Capacity
(Liters/U.S. Gal.)11.4/3.018.9/5.034/9.051.1/13.5
Fuel Consumption
(Liters Per Hr./Gal. Per Hr.)1.1/.281.97/.523.0/.794.1/1.1
Electric Requirements230 V/50 Hz (Same All Models)
Amperage (Normal Run).81.01.21.2
Hot Air Output (CMM/CFM)4/1406.4/22512/42514.2/500
RPM1425285028502850
WIRING DIAGRAM
Power Plug
230 V/50Hz
Green-Yellow
Brown
Blue
1b
ON/Off Switch
1
Photocell
Blue
(2)(1)
White
Blue
(3) (4)(6)
White
(N)
Blue
(5)
Ignition Control
1a
Brown
Green-Yellow
Motor
Red
(7)
Ignitor
Black
(8)
Black
105398
23
R
PORTABLE FORCED AIR HEATERS
ACCESSORIES
Purchase accessories from your local dealer.
AIR GAUGE KIT - HA1180
For all models. Special tool to check pump
pressure.
HEAVY DUTY WHEELS AND
HANDLE KIT - HA1202
For heavy duty applications. Makes your
heater even more portable and convenient.
For B35CEH and B70CEH models.
STANDARD WHEELS AND
HANDLE KIT - HA1206
Makes heater even more portable and convenient. Easy to assemble. For B35CEH
and B70CEH models.
A 008
IGNITION CONTROL
ASSEMBLY/PHOTOCELL
TESTER - HA1170
Special tool used to test the ignition control
assembly and photocell.
24
105398
EC CONFORMITY
DECLARATION
Model Numbers: B35CEH, B70CEH, B100CEH, B150CEH
OWNER’S MANUAL
EC CONFORMITY DECLARATION
DESA Europe B.V.
Innsbruckweg 144, 3047 AH
Postbus 11158
3004 ED Rotterdam
Holland
Manufacturer:
DESA International, Inc.
2701 Industrial Drive
Bowling Green, KY 42101 U.S.A.
Kerosene Portable Forced Air Heaters
It is declared that these models conform to the Machinery Directive 98/37/EC,
including 91/368/EEC and the Low Voltage Directive 73/23/EEC. It is further
declared that these models conform to the EMC Directive 89/336/EEC, amended
by 92/31/EEC and including EN50081-1 and EN50082-1.
We declare that the models noted are in conformity.
CompanyDESA International, Inc.
NameJoseph B. Lee
TitleVice President, Heating Products Engineering
07/25/2000 — Bowling Green, KY
Date and PlaceSignature
105398
25
WARRANTY INFORMATION
CERTIFICATE OF GENERAL
EQUIPMENT - LIMITED ONE YEAR WARRANTY
DESA International warrants new Products sold by it to be
free from defects in material or workmanship for a period of one
year after date of delivery to the first user and subject to the
following conditions:
DESA International's obligation and liability under this
Warranty is expressly limited to repairing or replacing at DESA
International's option, any parts which appear to DESA International upon inspection to have been defective in material or
workmanship when shipped from the factory. Such parts shall
be provided at no cost to the user, at the business establishment
of any factory authorized service center or the factory during
regular working hours. The Warranty shall not apply to component parts or accessories of Products not manufactured by
DESA International and which carry the warranty of the manufacturer thereof, or to normal maintenance (such as pressure
adjustments) or to normal maintenance parts (such as filters
and spark plugs). Replacement or repair parts installed in the
Product covered by this Warranty are warranted only for the
remainder of this Warranty as if such parts were original components of said Product. DESA INTERNATIONAL MAKES NO
OTHER EXPRESS WARRANTY. TO THE EXTENT PERMITTED BY LAW DESA INTERNATIONAL MAKES NO IMPLIED
WARRANTY AND MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PUR-
WARRANTY SERVICE
POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDING
THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF
THIS EXPRESS WARRANTY.
Any transportation charges, costs of installation, duty,
taxes or any other charges whatsoever must be borne by the
user. DESA International's obligation under this limited Warranty shall not include any liability for direct, indirect, incidental,
or consequential damage or delay. If requested by DESA
International, Products or parts for which a warranty claim is
made are to be returned transportation prepaid by user to the
factory. Any improper use, including operation after discovery
of defective or worn parts, operation beyond capacity, substitution of parts not approved by DESA International, or any
alteration or repair by others in such manner as in DESA
International's judgement affects the Product materially and
adversely, shall void this Warranty.
NO EMPLOYEE OR REPRESENTATIVE IS AUTHORIZED
TO CHANGE THIS WARRANTY IN ANY WAY OR GRANT
ANY OTHER WARRANTY UNLESS SUCH CHANGE IS
MADE IN WRITING AND SIGNED BY AN OFFICER OF DESA
INTERNATIONAL AT ITS HOME OFFICE.
Always specify model and serial numbers when communicating
with the factory.
We reserve the right to amend these specifications at any time
without notice. The only Warranty applicable is our standard
written Warranty. We make no other Warranty, expressed or
implied.
A Service Manual is available by writing to the Technical Service
Department at:
Production de la chaleur: 8 800, 17 500, 25 000, et 38 000 Kcal/h
Modèles: B35CEH, B70CEH, B100CEH, et B150CEH
IMPORTANT: Veiller à lire et comprendre ce manuel avant de monter,
mettre en marche ou effectuer l’entretien de cet appareil. Une mauvaise
utilisation de cet appareil pourrait causer des blessures graves. Conserver
ce manuel pour s’y reporter plus tard.
R
APPAREILS DE CHAUFFAGE INDIVIDUELS À AIR FORCÉ
NOTES SUR
LA SÉCURITÉ
AVERTISSEMENTS
IMPORTANT: Veiller à lire ce
manuel d’utilisation attentivement et complètement avant de
tenter de monter, de faire fonctionner ou d’effectuer l’entretien
de cet appareil. Une mauvaise
utilisation de cet appareil de
chauffage peut causer des blessures graves voire la mort par
brûlures, incendie, explosion,
électrocution et intoxication par
l’oxyde de carbone.
DANGER: L’intoxication par
l’oxyde de carbone peut entraîner la mort!
Intoxication par l’oxyde de carbone: Les
premiers signes d’intoxication par l’oxyde de
carbone ressemblent à ceux de la grippe:
maux de tête, vertiges ou nausée. Si l’on
ressent ces symptômes, il se peut que l’appareil de chauffage ne fonctionne pas correctement. Aller immédiatement respirer de l’airfrais! Faire réparer l’appareil de chauffage.
Certaines personnes sont plus susceptibles
que d’autres aux effets de l’oxyde de carbone,
par exemple les femmes enceintes, les personnes souffrant de maladies cardiaques ou
pulmonaires, d’anémie, celles sous l’effet de
l’alcool ou celles se trouvant à haute altitude.
Veiller à lire et comprendre tous les avertissements. Conserver ce manuel pour s’y reporter plus tard. C’est un guide pour l’utilisation correcte et sans danger de cet appareil
de chauffage.
•Ne se servir que de kérosène ou de fioul
n˚1 pour éviter les risques d’incendie
ou d’explosion. Ne jamais utiliser d’essence, de naphte, de diluants à peinture,
d’alcool ou d’autres combustibles hautement inflammables.
•Alimentation en carburant
a) Les employés chargés de refaire le
plein doivent être qualifiés et doivent
bien connaître les instructions du fabricant et la réglementation applicable concernant l’alimentation sûre en
carburant des appareils de chauffage.
b)Seul le type de carburant précisé sur
la plaque signalétique de l’appareil
de chauffage doit être utilisé.
c)Avant de refaire le plein, il faut s’as-
surer que toutes les flammes, y compris la veilleuse, le cas échéant, sont
éteintes et que l’appareil de chauffage a refroidi.
d)Durant l’alimentation en carburant,
il importe d’inspecter toutes les conduites de carburant et tous les raccords de conduite de carburant pour
y relever d’éventuelles fuites. Toutes les fuites doivent être corrigées
avant de remettre l’appareil de chauffage en service.
e)On ne doit jamais stocker plus d’un
jour d’approvisionnement en carburant pour l’appareil de chauffage à
l’intérieur d’un bâtiment, à proximité
de l’appareil de chauffage. Le carburant en vrac doit être stocké à l’extérieur de la structure.
f) Tout le carburant doit être stocké à
une distance d’au moins 762 cm (25
feet) des appareils de chauffage, chalumeaux, matériel de soudage et
sources similaires d’inflammation
(exception faite du réservoir de carburant faisant partie intégrante de
l’appareil de chauffage).
g)Le carburant doit, autant que possi-
ble, être stocké là où les pénétrations
du plancher ne permettent pas que le
carburant s’égoutte sur un feu situé
plus bas ou soit allumé par ce feu.
h)Le carburant doit être stocké confor-
mément à toutes les réglementations
applicables.
•Ne jamais se servir de l’appareil dans
des endroits contenant des vapeurs
d’essence, de diluant à peinture ou
d’autres vapeurs hautement inflammables.
•Se conformer à tous les règlements et
codes locaux lors de l’utilisation de
l’appareil.
•Ne le faire fonctionner que dans des endroits bien aérés. Assurer au moins
2800 cm2 (3 sq ft) d’air frais extérieur
pour chaque 25 000 Kcal/h (100 000
BTU Hr) de rendement nominal.
•Ne le faire fonctionner que dans des endroits sans vapeurs inflammables et
sans poussière.
•Ne le brancher que sur du courant des
tension et fréquence spécifiées sur la
plaque signalétique.
•Ne se servir que d’une rallonge à trois
fils avec mise à la terre.
•Les appareils de chauffage utilisés à
proximité de bâches, de toiles ou de matériaux similaires d’enceinte doivent
être placés à une distance sûre de ces
matériaux. La distance sûre minimale
recommandée est de 304,8 cm (10 feet).
Il est également recommandé que ces
matériaux d’enceinte soient de nature
ignifuge. Ces matériaux d’enceinte
doivent être fixés solidement pour les
empêcher de s’enflammer ou de renverser l’appareil de chauffage sous l’action du vent.
•LB Distance minimale entre l’appareil
et tout matériau combustible:
Sortie : 250 cm (8 ft.)
Côtés, dessus et arrière: 125 cm (4 ft.)
•Placer l’appareil de chauffage sur une
surface stable et horizontale lorsqu’il
est chaud ou en marche pour éviter de
provoquer un incendie.
•Lors du déplacement ou du remisage
de l’appareil, le maintenir horizontal
pour éviter de renverser du carburant.
•Maintenir enfants et animaux éloignés
de l’appareil de chauffage.
•Débrancher l’appareil lorsqu’on ne s’en
sert pas.
•S’il est muni d’un thermostat, l’appareil peut se mettre en marche à n’importe quel moment.
•Ne jamais utiliser l’appareil dans les
salles de séjour ou dans les chambres à
coucher.
•Ne jamais bloquer l’entrée d’air (arrière) ou la sortie d’air (avant) de l’appareil.
•Ne jamais déplacer, manipuler , faire le
plein ou effectuer l’entretien d’un appareil chaud, en marche ou branché.
•Ne jamais monter de canalisation de
distribution d’air àl’avant ou à l’arrière
de l’appareil.
2
105398
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