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®
PORTABLE
FORCED
AIR HEATER
OWNER’S MANUAL
150 SIDE FRONT HANDLE
PFA/PV 007
Model RK150
Heater Size 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......................................................................2 Product Identification .................................................................4 Unpacking ..................................................................................4 Assembly ....................................................................................5 Theory of Operation ...................................................................6 Fuels ...............
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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 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, inc
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Hot Air PRODUCT Outlet Upper Shell IDENTIFICATION Lower Fan Guard Shell Fuel Cap Fuel Tank Side Cover Burner Power Cord Control Reset Button Figure 1 - RK150 Model 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. 4 103252
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This model is furnished with wheels and a front handle. Wheels, handle, 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 f
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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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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 • carbon build up on spark plug • the need of nontoxic anti-icer in fuel during very cold weather IMPORTANT: Use a KEROSENE ONLY storage container. Be sure storage container is clean. Foreign matter
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OPERATION ! WARNING Review and understand the warnings in the Safety Information Section. 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 220 volt/60 hertz grounded outlet. Use an extension cord if needed. Use only a three-prong, grounded (earthed) exten- sion cord. Extension Cord W
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Note: If shipping, transport companies require fuel tanks to be empty. STORING, 1. Drain fuel tank. Note: Some models have drain plug on underside of fuel tank. If so, remove TRANSPORTING, drain plug to drain all fuel. If heater does not have drain plug, drain fuel OR SHIPPING 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 (1 or 2 liters) of clean kerosene to tank, stir, and drain again. This will
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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 Wrong pump pressure See Pump Pressure Heater ignites, but Adjustment, page 12. burner control shuts off heater after a Dirty air output, air intake See Air Output, Air Intake short period of time. and lint filters and Lint Filters, page 11. Dirty fuel filter See Fuel Filter, page 12. Dirt in nozzle See Nozzle, page 13.
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SERVICE ! WARNING PROCEDURES Never service heater while it is plugged in, operating, or hot. Upper Shell Removal Severe burns and electrical shock can occur. 1. Remove screws along each side of heater using 5/16" nut- driver. These screws attach Upper upper and lower shells together. Shell Fan 2. Lift upper shell off. Guard 3. Remove fan guard. Fan IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could Figure 5 - Upper Shell Rem
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Relief Pump Pressure Valve Adjustment Pressure Pressure 1. Remove pressure gauge plug Gauge Gauge from filter end cover. Plug 2. Install accessory pressure gauge (part number HA1180). 3. Start heater (see Operation, page 8). Allow motor to reach full speed. 4. Adjust pressure. Turn relief valve to right to increase Figure 8 - Pressure Gauge Plug Removal pressure. Turn relief valve to left to decrease pressure. Adjust pump pressure to 4.9 Figure 9 - Adjusting Pump Pressure psi. 5. Remove pressure
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Burner Head Nozzle Spark Plug Combustion 1. Remove upper shell (see page Wire Chamber 11). 2. Remove fan (see page 11). 3. Remove fuel and air line hoses from burner head. Screw 4. Remove spark plug wire from Spark spark plug. Plug 5. Remove spark plug from burner Fuel Line Hose head using 13/16" open-end Air Line Hose wrench. 6. Remove three screws using 5/ Figure 13 - Removing Burner Head 16" nut-driver and remove burner head from combustion chamber. Nozzle Nozzle 7. Place burner head into vis
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Gap Adjusting Screw 7. Check for debris in pump. If debris is found, blow out with compressed air. .003"/.004" 8. Install insert and rotor. (.076-.101 mm) Gap Blade Measured With 9. Check gap on rotor. Adjust to Feeler Gauge .003"/.004" (.076-.101 mm) if needed (see Figure 16). Note: Rotate rotor one full turn to Rotor insure the gap is .003"/.004" (.076- .101 mm) at tightest position. Adjust Gap Adjusting Screw if needed. Figure 16 - Gap Adjusting Screw Locations (Pump Rotor, continued) 10. In
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Power Plug WIRING 220V/60Hz DIAGRAM White Black Green White White B Spark Plug Burner White Blue Blue Orange Terminal Reset Ignitor Motor Control Board Button Photocell Red Red Green/ R Yellow Red Red S or 2 M or 3 Black Motor Start Relay L or 1 PART MAINTENANCE KIT NUMBER KITS Spark Plug Kit HA3012 Filter Kit HA3017 Nozzle Kit HA3010 Rotor/Air Pump Kit HA3004 Handle Kit HA2204 Photocell Kit HA3019 Pump Adjustment Kit HA3020 Fuel Tank Filter Screen Kit HA2210 ACCESSORIES Purchase accessories and
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ILLUSTRATED PARTS 2 1 BREAKDOWN 3 4 49 6 7 9 51 10 5 16 8 11 14 19 23 12 24 15 28 13 39 25 17 50 26 20 45 22 27 29 18 46 38 21 30 37 53 31 40 32 52 35 33 34 36 41 44 48 43 42 47 16 103252
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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 the part number and description of the desired part. KEY PART KEY PART NO. NUMBER QTY. NO. NUMBER QTY. DESCRIPTION DESCRIPTION 1 098511-135 Upper Shell 1 32 097630-02 Burner Control 1 2 M15823-27 Screw, #10-16 x 1/2" 8 33 M11143-1 Strain Relief Bushing 1 3 098512-29 Combustion Chamber 1 34 099055-07 Power Cord 1 4 099229-01
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1 BURNER HEAD 2 5 ASSEMBLY 4 7 3 KEY PART NO. NO. DESCRIPTION QTY. 1 HA3010 Nozzle with Sleeve 1 2 M10659-1 Nozzle Washer 2 3 M10809-1 Nozzle Spring 1 4 M8882 Nozzle Sleeve 1 5 M50924-03 Burner Head Body 1 6 M50820-02 Barb Fitting 2 BURNER HEAD 70 EAI/EBI PFA/P 018 7 HA3012 Spark Plug 1 6 1 MOTOR 2 AND PUMP 3 4 ASSEMBLY 5 6 7 17 8 16 15 9 13 10 14 KEY PART 11 NO. NO. DESCRIPTION QTY. 13 1 099656-01 Motor (220V/60Hz) 1 2 079975-01 Pump Body 1 12 3 FHPF3-2C Screw, #10-32 x 1/4" 2 4 M22009 Rotor In
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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
