Master BH150CE Owner's Manual
PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
R
Heater Size: 44 kW (150,000 BTU/Hr)
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.
Model BH150CE
IMPORTANT
CONTENTS
SECTION PAGE
Safety Information.........................................................................3
Product Identification .................................................................... 4
Unpacking......................................................................................4
Assembly .......................................................................................5
Theory of Operation ......................................................................6
Fuels .............................................................................................. 6
Ventilation .....................................................................................7
Operation .......................................................................................7
Storage ........................................................................................... 8
Preventative Maintenance Schedule..............................................8
Troubleshooting.............................................................................9
Service Procedures ........................................................................ 10
Upper Shell Removal .............................................................. 10
Fuel Filter................................................................................10
Spark Plug ............................................................................... 11
Air Output, Air Intake, and Lint Filters ..................................11
Pump Pressure Adjustment ..................................................... 12
Nozzle ..................................................................................... 12
Pump Rotor ............................................................................. 13
Fan...........................................................................................14
Specifications.................................................................................15
Wiring Diagram.............................................................................15
Illustrated Parts Breakdown and Parts List....................................16, 17
Wheels and Handles................................................................ 18
Accessories .................................................................................... 18
Warranty and Repair Service......................................................... Back Cover
2
101487
SAFETY
WARNINGS
INFORMATION
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, 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.
• Never use heater where gasoline, paint thinner, or other highly flammable
vapors are present.
• Follow all local ordinances and codes when using heater.
• Use only in well-vented areas. Provide at least a 2800 square cm (3-squarefoot) opening of fresh, outside air for each 29.3 kW (100,000 BTU/Hr) of
rating.
• Use only in places free of flammable vapors or high dust content.
• Use only with the electrical voltage and frequency specified on model plate.
• Use only a three-prong, grounded (earthed) 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 while 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. Using duct work could
reduce the necessary air flow of heater. Heater would produce excessive
carbon monoxide.
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3
PRODUCT
IDENTIFICATION
Hot Air
Outlet
Lower
Shell
Fuel Cap
Upper Shell
Power Cord
Figure 1 - 44 kW (150,000 BTU/Hr) Model
Air Filter
End Cover
Fan Guard
Fuel
Tank
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 any shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.
4
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ASSEMBLY
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.
I
MPORTANT:
wheel support frame (see Figure 2).
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
Axle
Rear
Handle
Air
Inlet
Extended
Hub
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Figure 2 - Wheel and Handle Assembly
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 3 - Cross Section Operational View
Spark
Plug
Fuel
Filter
Motor
Burner
Head
Air line
To Burner
Air For Combustion
And Heating
Fan
Air Pump
Intake
Air
Filter
Cool
Air
In
Output
Air
Filter
Electronic
Ignitor
Fuel
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
• use of non-toxic anti-icer in fuel during very cold weather
IMPORTANT:
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.
6
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.
Use a KEROSENE ONLY container. Be sure storage container is
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