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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.
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SECTION PAGE CONTENTS Safety Information......................................................................... 2 Product Identification .................................................................... 4 Unpacking ..................................................................................... 5 Assembly ....................................................................................... 5 Theory of Operation ...................................................................... 6 F
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WARNINGS (Continued) SAFETY • Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use INFORMATION gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Continued • 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 shal
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Hot Air PRODUCT Outlet Upper Shell IDENTIFICATION Lower Shell Fuel Cap Fan Guard Fuel Tank Side Cover Power Cord Flame-Out Control Reset Button Figure 1 - 100,000 Btu/Hr Model Hot Air Outlet Upper Shell Lower Shell Fuel Cap Fan Guard Fuel Tank Side Cover Power Cord Flame-Out Control Reset Button Figure 2 - 150,000 Btu/Hr Model 4 102424
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1. Remove all packing items applied to heater for shipment. UNPACKING 2. Remove all items from carton. 3. Check items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater. These models are furnished with wheels and a front handle. Some models are ASSEMBLY 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
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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. OPERATION 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 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 (three square feet) for each 100,000 Btu/Hr rating. Provide extra fresh air if more heaters are being used. Example: A 150,000 Btu/Hr heater requires one of the following: • a two-car garage doo
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To Stop Heater OPERATION 1. Unplug extension cord from outlet. Continued 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. STORING, 1. Drain fuel tank. TRANSPORTING, 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 OR SHIPPING through fuel cap opening. Be sure all fue
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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 Wrong pump pressure See Pump Pressure flame-out control Adjustment, page 11. 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 10. time. Dirty fuel filter See Fuel Filter, page 11. Dirt in nozzle See Nozzle, page 1
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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 Shell Removal Upper 1. Remove screws along each side of Shell 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 Fan IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting Figure 6 - Upper Shell Removal on the fan co
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Pump Pressure Relief Valve Adjustment 1. Remove pressure gauge plug from Pressure filter end cover. Gauge Pressure Plug 2. Install accessory pressure gauge Gauge (part number HA1180). 3. Start heater (see Operation, page 7). Allow motor to reach full speed. 4. Adjust pressure. Turn relief valve to right to increase pressure. Turn relief valve to left to decrease Figure 9 - Pressure Gauge Plug Removal pressure. See specifications at right for correct pressure for each model. Pump Model Pressure 5.
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Spark Plug Burner Head Spark Plug Wire 1. Remove upper shell (see page 10). 2. Remove fan (see page 10). 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16" open-end wrench. Spark 5. Clean and regap spark plug elec- Plug trodes to .075" gap. 6. Install spark plug in burner head. 7. Attach spark plug wire to spark plug. 8. Replace fan (see page 10). Figure 12 - Spark Plug Removal 9. Replace fan guard and upper shell. Bend Here to Adjust Gap Gap Figure 13
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Pump Rotor Blade Pump Plate (Procedure if rotor is binding) Air Intake Filter 1. Remove upper shell (see page 10). 2. Remove filter end cover screws Filter End Cover using 5/16" nut-driver. Fan Guard 3. Remove filter end cover and air filters. 4. Remove pump plate screws using Insert 5/16" nut-driver. Rotor 5. Remove pump plate. 6. Remove rotor, insert, and blades. 7. Check for debris in pump. If debris 100 ROTOR-Domestic PFA/P 059A Air Output Filter is found, blow out with com- pressed air. 8. Ins
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Output Rating (Btu/Hr.) 100,000 150,000 SPECIFICATIONS Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (Liters/U.S. Gal.) 34/9.0 51/13.5 Fuel Consumption (Liters/Gal. Per Hr.) 2.8/.76 4.1/1.1 Electric Requirements 120 V/60 Hz (Same All Models) Amperage (Normal Run) 4.0 4.4 Hot Air Output (CMM/CFM) 13.6/480 14.2/500 Motor RPM 3450 3450 Motor HP 1/4 1/4 Approximate Shipping Weight (KG/Pounds) 27/60 31/68 Approximate Heater Weight without Fuel (KG/Pounds) 23/51 26/57 WIRING 120V/60Hz DI
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WHEELS AND HANDLE PARTS LIST BY100ECA BY150ECA KEY PART PART 100,000 150,000 NO. NUMBER DESCRIPTION QTY. QTY. 1 HA2203 Handle 2 — HA2204 Handles — 2 2 M12345-33 Screw, #10-24 x 1 3/4" 8 8 3 M12342-3 Wheel Support Frame 1 — M12831-3 Wheel Support Frame — 1 4 NTC-3C Hex Nut, #10-24 8 8 5 097896-04 Wheel 2 2 6 M28526 Cap Nut 2 2 7 M51015-01 Axle 1 — M16801-2 Axle — 1 1 2 3 4 5 7 6 Model BY100ECA, 100,000 Btu/Hr and Model BY150ECA, 150,000 Btu/Hr 15 102424
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2 ILLUSTRATED PARTS 1 BREAKDOWN 3 100,000 Btu/Hr Model BY100ECA 4 6 7 9 10 39 5 16 8 14 11 19 23 13 24 12 28 15 7-1 25 7-2 17 26 43 26 20 27 29 22 18 7-3 38 21 7-4 30 37 7-8 7-5 31 40 7-6 32 Burner Head Assembly 44 42 35 33 10-1 34 10-3 10-2 36 10-4 41 10-5 10-6 10-7 10-18 10-8 10-17 10-9 10-16 10-10 10-15 10-11 10-14 10-13 10-12 Motor and Pump Assembly 16 102424
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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), 100,000 Btu/Hr then the part number and description of the desired part. Model BY100ECA KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 098511-138 Upper Shell 1 17 102482-01 Ignitor Kit 1 2 100647-01 Screw, #10-16 x 1/2" 8 18 M11084-29 Screw, #10-16 x 3/4" 2 3 098512-31 Combustion Chamber 1 19 M51345-
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2 ILLUSTRATED PARTS 1 BREAKDOWN 3 150,000 Btu/Hr Model BY150ECA 4 42 6 7 9 27 10 39 5 16 8 14 11 19 23 13 24 12 15 7-1 28 23 7-2 25 17 26 44 26 20 27 29 22 18 7-3 38 21 7-4 30 7-8 37 7-5 31 7-6 7-7 40 32 Burner Head Assembly 45 43 35 33 34 10-1 36 10-3 10-2 41 10-4 10-5 10-6 10-7 10-18 10-8 10-17 10-9 10-16 10-10 10-15 10-11 10-14 10-13 10-12 Motor and Pump Assembly 18 102424
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This list contains replaceable parts used in your heater. When ordering parts, be PARTS LIST sure to provide the correct model and serial numbers (from the model plate), then 150,000 Btu/Hr the part number and description of the desired part. BY150ECA KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 098511-138 Upper Shell 1 17 102482-01 Ignitor Kit 1 2 100647-01 Screw, #10-16 x 1/2" 8 18 M11084-29 Screw, #10-16 x 3/4" 2 3 098512-29 Combustion Chamber 1 19 M51345-01 Fue
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EC CONFORMITY DECLARATION EC DESA Europe B.V. CONFORMITY Industrieweg 167, 3044 AS DECLARATION 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 Model Numbers: BY100ECA and BY150ECA It is declared that these models conform to the Machinery Directive 89/392/EEC, including 91/368/EEC, 93/68/EEC. We declare that the models noted are in conformity. Company DESA International, Inc.
