Page 2 - PORTABLE FORCED AIR HEATERS; WARNINGS; DANGER: Carbon monoxide
2 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series SAFETYINFORMATION WARNINGS IMPORTANT: Read this Owner’sManual carefully and completelybefore trying to assemble, oper-ate, or service this heater. Im-proper use of this heater cancause serious injury or death fromburns, fire, explosion...
Page 3 - OWNER’S MANUAL; UNPACKING; PRODUCT IDENTIFICATION; The Ignition System:; THEORY OF OPERATION
3 103685 OWNER’S MANUAL Figure 2 - Cross Section Operational View CleanHeatedAir Out Figure 1 - 70,000 Btu/Hr Handle Fuel Cap Lower Shell Power Cord Fuel Tank Hot Air Outlet Air FilterEnd Cover Fan Guard Upper Shell Side Cover Ignition Control Assembly(assembly on inside of side cover) UNPACKING 1. ...
Page 4 - TO START HEATER; OPERATION; WARNING: Use only kerosene; VENTILATION; Follow the minimum fresh,
4 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series TO START HEATER 1. Follow all ventilation and safety infor-mation. 2. Fill fuel tank with kerosene or No. 1fuel oil. 3. Attach fuel cap. 4. Plug power cord of heater into three-prong, grounded extension cord. Exten-sion cord must be at...
Page 5 - PREVENTATIVE MAINTENANCE SCHEDULE; WARNING: Never service heater while it is plugged in, operating, or; Item
5 103685 OWNER’S MANUAL STORING,TRANSPORTING,OR SHIPPING Note: If shipping, transport companies re- quire fuel tanks to be empty. 1. Drain fuel tank. Drain fuel through fuelcap opening. Be sure all fuel is re-moved. 2. If any debris is noted in old fuel, add 1or 2 quarts of clean kerosene to tank,st...
Page 6 - TROUBLESHOOTING; REMEDY; POSSIBLE CAUSE
6 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. REMEDY 1. Check circuit breaker in electrical panel 2. Check all electrical connections. See Wiring D...
Page 7 - WARNING: Never service; UPPER SHELL REMOVAL; FAN
7 103685 OWNER’S MANUAL Figure 3 - Upper Shell Removal SERVICEPROCEDURES WARNING: Never service heater while it is plugged in, op-erating, or hot. Severe burns andelectrical shock can occur. UPPER SHELL REMOVAL 1. Remove screws along each side ofheater using 5/16" nut-driver. Thesescrews attach ...
Page 8 - FUEL FILTER; CAUTION: Do not bend or strike; WARNING: High Voltage
8 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series SERVICEPROCEDURES Continued WARNING: Never service heater while it is plugged in, op-erating, or hot. Severe burns andelectrical shock can occur. Fuel Filter Side Cover Upper Fuel Line Figure 8 - Fuel Filter Removal FUEL FILTER 1. Remo...
Page 10 - PARTS UNDER WARRANTY
10 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series SERVICEPROCEDURES Continued PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 7). 2. Remove filter end cover screws using5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate s...
Page 11 - SPECIFICATIONS; WIRING DIAGRAM; Ignition Control; ACCESSORIES
11 103685 OWNER’S MANUAL SPECIFICATIONS Output Rating (Btu/Hr) 70,000 Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (U.S. Gal.) 5.0 Fuel Consumption (Gal. Per Hr.) .52 Electric Requirements 120 V/60 Hz Amperage (Normal Run) 2.8 Hot Air Output (CFM) 360 Motor RPM 3440 Motor HP 1/8 Shipp...
Page 12 - Motor and Pump Assembly
12 103685 PORTABLE FORCED AIR HEATERS 70,000 Btu/Hr H.S.I. Series ILLUSTRATEDPARTSBREAKDOWN Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-13 12-12 12-10 12-1 12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9-2 9-1 9-3 9-4 9-5 17 18 19 20 21 22 23 24 25...
Page 13 - PARTS LIST
13 103685 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, be sure toprovide the correct model and serial numbers (from the model plate), then the part numberand description of the desired part. KEY PART NO. NUMBER DESCRIPTION QTY. 1 M51104-01 ...
Page 14 - WARRANTY AND REPAIR SERVICE; WARRANTY SERVICE; LIMITED WARRANTY; KEEP THIS WARRANTY; NOT A UPC
WARRANTY AND REPAIR SERVICE WARRANTY SERVICE Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. Theheater will be inspected. A defect may be caused by faulty materials or workmanship. If so, DESA International...