PORTABLE FORCED AIR HEATERS OWNER’S MANUAL 100 SIDE FRONT HANDLES PFA/PV 003 150 SIDE FRONT HANDLE PFA/PV 007 Heater Sizes: 110,000 150,000 155,000 165,000 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.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS SAFETY INFORMATION WARNINGS IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, operate, or service this heater.
OWNER’S MANUAL PRODUCT IDENTIFICATION UNPACKING 1. Hot Air Outlet Upper Shell 2. 3. Fan Guard Lower Shell Fuel Cap Remove all packing items applied to heater for shipment. Remove all items from carton. Check items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater. Fuel Tank Side Cover Flame-Out Control Reset Button Power Cord Figure 1 - Product Identification ASSEMBLY These models are furnished with wheels and a front handle.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS 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. Motor Combustion Chamber Spark Plug Burner Head Air Pump Air Intake Filter Fan Clean Heated Air Out Cool Air In Air Output Filter The Air System: The motor turns the fan.
OWNER’S MANUAL OPERATION STORING, TRANSPORTING, OR SHIPPING Continued 5. Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet. Heater will start when extension cord is plugged into outlet. If not, push in flame-out control reset button (see Figure 4). Note: If shipping, transport companies require fuel tanks to be empty. 1. Drain fuel tank. Note: Some models have drain plug on underside of fuel tank. If so, remove drain plug to drain all fuel.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS TROUBLESHOOTING WARNING: 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 flame-out control shuts off heater after a short period of time. 1. Wrong pump pressure 1. See Pump Pressure Adjustment, page 7. 2. Dirty air output, air intake and lint filters 2. See Air Output, Air Intake and Lint Filters, page 7. 3.
OWNER’S MANUAL PUMP PRESSURE ADJUSTMENT SERVICE PROCEDURES Fan WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Motor 2. 3. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. Lift upper shell off. Remove fan guard. Upper Shell Fan Guard Motor Shaft FAN IMPORTANT: Remove fan from motor shaft before removing motor from heater.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS FUEL FILTER 1. 2. 3. 4. 5. 6. 7. Remove side cover screws using 5/16" nut-driver. Remove side cover. Pull upper fuel line off fuel filter neck. Carefully pry bushing, fuel filter, and lower fuel line out of fuel tank. Wash fuel filter with clean fuel and replace in tank. Attach upper fuel line to fuel filter neck. Replace side cover. Burner Head Spark Plug Wire Spark Plug 1. 2. 3. PFA/P 041 Figure 10 - Fuel Filter Removal 6.
OWNER’S MANUAL PUMP ROTOR 12. Adjust pump pressure (see page 7). (Procedure if rotor is binding) 1. Remove upper shell (see page 7). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver. 5. Remove pump plate. 6. Remove rotor, insert, and blades. 7. Check for debris in pump. If debris is found, blow out with compressed air. 8. Install insert and rotor. 9. Check gap on rotor. Adjust to .003"/.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS WIRING DIAGRAM Power Plug 120V/60Hz Black Green White White White White Green/ Green Ignitor Yellow Terminal Motor Board White Spark Plug Red Red B Blue Blue Photocell FlameOut Control Reset Button R Red Black Relay Red Figure 18 - Wiring Diagram MAINTENANCE KITS Btu/Hr 110,000 150,000 155,000 165,000 Flame-Out Control Part No. HA3003 HA3003 HA3003 HA3003 Spark Plug Part No.
OWNER’S MANUAL TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealer from whom you purchased this product.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS ILLUSTRATED PARTS BREAKDOWN 2 1 3 MOTOR AND PUMP ASSEMBLY 4 6 7 9 10 39 5 16 8 23 7-1 14 11 19 13 24 12 28 7-2 15 25 17 43 26 26 20 7-3 22 29 21 38 27 18 7-4 7-7 30 7-5 37 31 7-6 40 Burner Head Assembly 32 10-1 42 35 10-2 10-3 33 10-4 34 36 10-5 10-6 41 10-7 10-17 10-8 10-16 10-9 10-15 10-13 10-10 10-14 10-11 10-13 10-12 12 102439
OWNER’S MANUAL PARTS LIST KEY NO. PART NUMBER 1 098511-138 098511-66 098511-135 100647-01 098512-31 2 3 4 5 6 7 7-1 7-2 7-3 7-4 7-5 7-6 7-7 8 9 10 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-9 10-10 10-11 This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. DESCRIPTION QTY.
110,000 150,000 155,000 165,000 BTU/HR PORTABLE FORCED AIR HEATERS PARTS LIST Continued OPTIONAL ACCESSORIES PART NUMBER HA1210 HA1180 HA2210 HA3004 HA3017 PARTS AVAILABLE - NOT SHOWN PART NUMBER DESCRIPTION 098493-01 097644-02 097643-01 097644-03 097773-03 097773-02 097773-05 097773-04 097204-09 097204-05 097204-11 M9900-192 Hang-up Thermostat Air Gauge Kit Fuel Tank Filter Screen Rotor Kit (M22456-1, M22009, M8643) Filter Kit (M11637, M12179, M12244-1, 51150-01) Pump Kit (M27694, M10993-1, M22997, M89
OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________
WARRANTY AND REPAIR SERVICE LIMITED WARRANTY DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for one (1) year from the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided. This warranty covers only the cost of parts and labor required to restore the product to proper operating condition.
