Master B30 Owner's Manual
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Master B30 Owner's Manual

Portable forced air heaters
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R
PORTABLE
G 011
FORCED
AIR HEATERS
OWNER'S MANUAL
100 SIDE
PV 002
150 SIDE
PV 004
Models: B30, B70, B100, B150
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.

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Summary of Contents for Master B30

  • Page 1 OWNER’S MANUAL 100 SIDE PV 002 150 SIDE PV 004 Models: B30, B70, B100, B150 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.

  • Page 2: Table Of Contents

    SECTION PAGE CONTENTS Safety Information ................. 3 Product Identification ..............4 Unpacking ..................5 Assembly ..................5 Theory of Operation ..............6 Fuels ....................6 Ventilation ..................7 Operation ..................7 Storage ................... 8 Preventative Maintenance Schedule ..........8 Troubleshooting ................9 Service Procedures ................

  • Page 3: Safety Information

    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...

  • Page 4: Product Identification

    Hot Air Outlet Handle PRODUCT Upper Shell IDENTIFICATION Fan Guard Lower Shell Air Filter End Cover Fuel Tank Fuel Cap Side Cover Flame-Out Control Reset Button Power Cord (Optional Extra) Figure 1 - 30/70,000 BTU/Hr Models Hot Air Outlet Upper Shell Lower Shell Fuel Cap...

  • Page 5: Unpacking

    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. ASSEMBLY These models are furnished with wheels and handles. Wheels, handles, and the mounting hardware are found in the shipping carton.

  • Page 6: Theory Of Operation

    THEORY OF 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 OPERATION fine mist of fuel is sprayed into the combustion chamber. The Air System: The motor turns the fan.

  • Page 7: Ventilation

    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 three square feet (2800 square cm) for each 100,000 BTU/Hr rating.

  • Page 8: Storage

    OPERATION Continued Flame-Out Control Reset Button (Fan Guard Removed) Figure 8 - Flame-Out Control Reset Button, 150,000 BTU/Hr (Optional Extra) To Stop Heater 1. Unplug power cord from outlet. To Restart Heater 1. Wait 2 minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. STORAGE 1.

  • Page 9: Troubleshooting

    Item How Often How To Continued Spark plug Clean and regap every 600 See Spark Plug, pages 12 and 13. hours operation or replace as needed. Fan blades Clean every season or as needed. See Fan, page 19. Motor Not required/permanently lubricated TROUBLE- WARNING SHOOTING...

  • Page 10: Service Procedures

    SERVICE WARNING PROCEDURES Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Upper Shell Shell Upper Shell Removal 1. Remove screws along each Guard side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

  • Page 11: Fuel Filter (90,000 Btu/Hr Model)

    Fuel Filter Fuel Filter, Bushing, and Lower Fuel Line (90,000 BTU/Hr Model) 1. Remove side cover screws Upper using 5/16" nut-driver. Fuel Line 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.

  • Page 12: Spark Plug (30,000 Btu/Hr Model)

    Spark Plug Combustion (30,000 BTU/Hr Model) Chamber 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from nozzle Spark Plug Burner Mounting Nut assembly. Strap Spark 4. Remove spark plug wire Spark Plug Plug from spark plug.

  • Page 13: Spark Plug (70/90/150,000 Btu/Hr Models)

    Spark Plug (70/90,000 BTU/Hr Model Shown) (70/90/150,000 BTU/Hr Models) Spark Plug Burner 1. Remove upper shell (see Wire Head page 10). 2. Remove fan (see page 19). 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16"...

  • Page 14: Air Output, Air Intake, And Lint Filters

    Air Intake Filter Air Output, Air Intake, Filter End and Lint Filters Cover Fan Guard 1. Remove upper shell (see page 10). 2. Remove filter end cover screws using 5/16" nut- driver. Lint Filter 3. Remove filter end cover. Air Output 4.

  • Page 15: Nozzle (30,000 Btu/Hr Model)

    Nozzle Combustion Chamber (30,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from nozzle assem- bly. 4. Turn nozzle assembly 1/4 Nozzle turn to left and pull toward Assembly motor to remove.

  • Page 16: Nozzle (70/90,000 Btu/Hr Models)

    Nozzle (70/90,000 BTU/Hr Models) Combustion 1. Remove upper shell (see Chamber page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from burner head. Spark Plug 4. Remove spark plug wire Burner Head Wire from spark plug. 5.

  • Page 17: Nozzle (150,000 Btu/Hr Model)

    Nozzle (150,000 BTU/Hr Model) Combustion 1. Remove upper shell (see Chamber page 10). 2. Remove fan (see page 19). 3. Remove spark plug wire from spark plug. Spark Plug Wire 4. Remove spark plug from Burner Head burner head using 13/16" open-end wrench.

  • Page 18: Pump Rotor

    Blade Pump Rotor Pump Intake (Procedure if rotor is binding) Plate Filter 1. Remove upper shell (see Filter End page 10). Cover 2. Remove filter end cover Fan Guard screws using 5/16" nut- (90,000 BTU/Hr driver. Model Shown) 3. Remove filter end cover Insert and air filters.

  • Page 19: Fan

    IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor Setscrew resting on the fan could damage the fan pitch. 1. Remove upper shell (see page 10). 2. Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft.

  • Page 20: Wiring Diagrams

    WARRANTY AND REPAIR SERVICE CERTIFICATE OF GENERAL EQUIPMENT - LIMITED 90 DAY WARRANTY DESA International warrants new Products sold by it to be POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDING free from defects in material or workmanship for a period of THOSE OF MERCHANTABILITY AND FITNESS FOR A PAR- ninety days after date of delivery to the first user and subject to TICULAR PURPOSE ARE LIMITED TO THE DURATION OF...

This manual is also suitable for:

B70B100B150

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