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R
PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
Model BH150CE
Heater Size: 44 kW (150,000 BTU/Hr)
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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SECTION PAGE CONTENTS Safety Information ......................................................................... 3 Product Identification .................................................................... 4 Unpacking...................................................................................... 4 Assembly ....................................................................................... 5 Theory of Operation ...................................................................... 6
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SAFETY WARNINGS IMPORTANT: Read this owner’s manual carefully and completely INFORMATION 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
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PRODUCT Upper Shell IDENTIFICATION Hot Air Outlet Lower Shell Air Filter Fuel Cap End Cover Fan Guard Fuel Tank Flame-Out Control Reset Button Power Cord Figure 1 - 44 kW (150,000 BTU/Hr) Model 1. Remove all packing items applied to heater for shipment. UNPACKING 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 101487
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These models are furnished with wheels and handles. Wheels, handles, and the ASSEMBLY 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: When installing wheels, point extended hub of wheels toward 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 fram
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The Fuel System: The air pump forces air through the air line. The air is then THEORY OF 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. 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 igni
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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 (3 square feet) for each 29.3 kW (100,000 BTU/Hr) rating. Provide extra fresh air if more heaters are being used. Example: A 44 kW (150,000 BTU/Hr) heater requires one of the following: • a 4.88
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To Stop Heater OPERATION 1. Unplug power cord from outlet. Continued To Restart Heater 1. Wait 2 minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. 1. Drain fuel tank. STORAGE 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 used. 3. Add 4 liters (one gallon) of clean kerosene to fuel tank
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TROUBLE- WARNING SHOOTING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. OBSERVED FAULT POSSIBLE CAUSE REMEDY Heater ignites, but See Pump Pressure Wrong pump pressure flame-out control Adjustment, page 12. shuts off heater after Dirty air output, air intake, See Air Output, Air Intake a short period of and lint filters and Lint Filters, page 11. time. Dirty fuel filter See Fuel Filter, page 10. Dirt in nozzle See Nozzle, page 12. D
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SERVICE WARNING PROCEDURES Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Upper Shell Removal Shell 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. Fan Guard Figure 5 - Upper Shell Removal Fuel Filter 1. Remove upper shell (see Combustion Fuel Filter page 10). Chamber 2. Remove fan (see page 14). 3. Loosen flare
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Spark Plug 1. Remove upper shell (see Spark Plug Burner page 10). Wire Head 2. Remove fan (see page 14). 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16" open-end wrench. 5. Clean and regap spark plug Spark electrodes to 1.4 mm Plug (.055") gap. 6. Install spark plug in burner head. 7. Attach spark plug wire to spark plug. 8. Replace fan (see page 14). Figure 7 - Spark Plug Removal 9. Replace fan guard and upper shell. Bend Here to Adjust Gap 1.4 mm (
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Pump Pressure Adjustment 1. Remove pressure gauge Relief Valve plug from filter end cover. 2. Install accessory pressure gauge (part number HA1180). 3. Start heater (see Operation, Pressure page 7). Allow motor to Gauge reach full speed. Plug 4. Adjust pressure. Turn relief valve to right to increase 150 PRESSURE ADJUSTMENT Plug PF Figure 10 - Pressure Gauge Plug Removal pressure. Turn relief valve to left to decrease pressure. Set pump pressure at 4.9 psi. 5. Remove pressure gauge. Replace press
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Nozzle 12. Replace nozzle into burner Face head and tighten firmly Nozzle (9.1-12.4 n-m/80-110 Seal inch-pounds). 13. Attach burner head to Nozzle combustion chamber. 14. Install spark plug in burner head. 15. Attach spark plug wire to spark plug. 16. Attach fuel tube and airline hose to burner Burner head. Attach flare nut until Head nut seats against fuel tube and fitting. Tighten 1/4 turn more using 3/4" open- end wrench (11.3-14.7 n- m/100-130 inch-pounds). Figure 13 - Removing Nozzle 17. Repla
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10. Install blades, pump plate, Gap Adjusting air filters, and filter end Screw cover. 11. Replace fan guard and .076/.101 mm upper shell. (.003"/.004") Gap 12. Adjust pump pressure (see Measured With Feeler Gauge page 12). Note: If rotor is still binding, proceed as follows. 13. Perform steps 1 through 6, Rotor Blade page 13. 14. Place fine grade sandpaper (600 grit) on flat surface. Gap Sand rotor lightly in Adjusting “figure 8” motion four Screw times (see Figure 16). Figure 15 - Gap Adjusting Scr
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Output Rating (kW / BTU/Hr) 44kW/150,000 SPECIFICATIONS Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (Liters/U.S. Gal.) 51.09/13.5 Fuel Consumption (Liters Per Hr./Gal. Per Hr.) 4.16/1.10 Electric Requirements 230 V/50 Hz Amperage (Normal Run) 1.5 Hot Air Output (CMM/CFM) 17/600 RPM 2850 230V/50Hz WIRING DIAGRAM Blue Brown Green/ Yellow Terminal Board Brown Blue White White B Spark Plug Safety White Blue Blue Orange Terminal Reset Ignitor Motor Control Board Button Photocell Red R
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2 ILLUSTRATED PARTS BREAKDOWN 1 17 3 4 5 8 7 14 56 15 18 9 8-1 19 63 20 10 57 8-2 11 12 58 9 53 59 16 38 39 21 8-3 39 22 25 8-4 26 8-8 26 6 30 9 61 8-5 52 31 23 24 27 8-6 63 51 8-7 28 13 34 35 33 62 Burner Head Assembly 29 36 33 32 63 64 65 9 63 63 37 42 32 43 55 9 40 54 46 45 41 49 22-1 47 60 22-3 50 22-2 22-4 63 22-5 63 22-6 44 9 9 22-7 22-18 22-8 22-17 48 32 22-9 22-10 22-16 22-15 22-11 22-14 22-13 22-12 Motor and Pump Assembly 16 101487
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This list contains replaceable parts used in your heater. When ordering parts, PARTS LIST be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. KEY PART PART KEY PART PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 098511-58 Upper Shell 1 27 M16645 Motor Support Bracket 1 2 098068-01 Heat Detector 1 28 M51357-01 Capacitor (Run) 1 3 098512-02 Combustion Chamber 1 29 M15823-39 Screw, #8-18 x 1/2" 1 4
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WHEELS AND KEY PART PART NO. NUMBER DESCRIPTION QTY. HANDLES 1 HA2205 Handles 2 2 M12345-33 Screw, #10-24 x 1 3/4" 8 3 M12831-3 Wheel Support Frame 1 4 NTC-3C Hex Nut, #10-24 8 5 097896-01 Wheel 2 6 M28526 Cap Nut 2 7 M16801-2 Axle 1 1 2 3 4 5 7 6 ACCESSORY Purchase accessory from your local dealer. AIR GAUGE KIT - HA1180 For all models. Special tool to check pump pressure. 18 101487
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_______________________________________________________________ NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ ______________________________________________
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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 the following conditions: THIS EXPRESS WARRANTY. DESA International's obligation and
