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PORTABLE FORCED AIR HEATERS “USER’S MANUAL” DuraHeat ® MODEL: DFA45 DFA65 DFA120 DFA170T LISTED Before the first use of this heater, please read this USER’S MANUAL very carefully. This USER’S MANUAL has been designed to instruct you as to the proper manner in which to assemble the heater, maintain the heater, store the heater, and most importantly, how to operate the heater in a safe and efficient manner.
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! DANGER - IMPROPER USE OF THIS HEATER CAN RESULT IN SERIOUS INJURY OR DEATH FROM BURNS, FIRE, EXPLOSION, ELECTRICAL SHOCK AND/OR CARBON MONOXIDE POISONING. WARNINGS: 1. RISK OF INDOOR AIR POLLUTION! • Use this heater only in well ventilated areas. Provide at least a three-square foot (2800 sq. cm.) opening of fresh outside air for each 100,000 BTU/hr.
2. FEATURES Handle Hot Air Outlet Upper Shell Fan Guard Lower Shell Fuel Gauge Fuel Tank Fuel Cap Side Cover Power Cord Lamp Power/Reset Switch Figure 1. DFA45/DFA65 MODEL...
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Figure 2. DFA120 MODEL Handle Upper Shell Hot Air Outlet Upper Shell Fan Guard Lower Shell Fuel Gauge Fuel Cap Side Cover Power Cord Lamp Fuel Tank Power/Reset Switch Figure 3. DFA170 T MODEL Handle Upper Shell Hot Air Outlet...
NOTE: Save the shipping carton and packing materials for future storage. DFA45/ 65 DFA120 DFA170T Wheel Support Frame Wheels Handle Screws and Nuts Axle Split Pin and Washer Figure 4. DFA45/DFA65 MODEL Handle Screws Figure 5. DFA120 MODEL/DFA170T MODEL Screws and Split Pin and Wheels Nuts Plane Washer Handle...
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! 2. ASSEMBLING A. For DFA45/DFA65 Model only (Figure 6) Screw Tools Required • Medium Phillips Screwdriver Handle 1. Align the holes on the upper shell with the 2 mounting holes on the handle as shown in Figure 6.
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Handle Screw Hot Air Outlet Fuel Tank Flange Air Inlet Wheel Support Frame Extended Hub Wheel Axle Plane Washer Split Pin Figure 7. Wheel and Handle Assembly, DFA120/DFA170T MODELS ONLY 4. KEROSENE (1-K) It is EXTREMELY IMPORTANT for the proper operation of this heater that you use the correct grade of kerosene.
Plus/Minus 10 Degrees Plus/Minus 10 Degrees DFA120/DFA170T 230˚F/110˚C 194˚F/90˚C DFA45/DFA65 176˚F/80˚C 122˚F/50˚C Once the temperature falls below the reset temperature you will be able to start your heater. NOTE: For your safety the temperature limiting safety device built into this heater will allow the heater to run continuously when the ambient temperature is below 80˚F/24˚C.
Lamp Power/Reset Power/Reset Switch Switch Figure 8. DFA45/65/120 Models Figure 9. DFA170T Model NOTE: For your safety the temperature limiting safety device built into this heater will allow the heater to run continuously when the ambient temperature is below 80˚F/24˚C.
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! TO STOP HEATER 1. Turn switch to “OFF” and unplug power cord. TO RESTART HEATER 1.Wait 10 seconds after stopping heater. 2. Repeat steps under to start heater. 8. LONG TERM STORAGE OF YOUR HEATER 1.
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! C.) AIR OUTPUT FILTER, LINT FILTER Air Output Filter REPLACE EVERY 500 HOURS OF OPERATION OR ONCE A YEAR. Intake - Remove upper shell and fan guard (See page 9). Filter - Remove filter end cover screws using M5 nut driver. - Remove filter end cover.
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! F.) SPARK PLUG CLEAN AND REGAP EVERY 600 HOURS OPERATION OR REPLACE AS NEEDED. - Remove upper shell (See page 9). - Remove fan (See page 10). Burner - Remove ignitor wire from spark plug. Head - Remove spark plug from burner head using medium Ignitor...
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! . TROUBLE SHOOTING GUIDE TROUBLE POSSIBLE CAUSE CORRECTIVE ACTION Heater ignites but MAIN PCB 1. Wrong pump pressure 1. See Pump Pressure Adjustment, assembly shuts heater off after page 12. a short period of time. 2.
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! . WIRING DIAGRAM A. WIRING DIAGRAM (DFA45/DFA65) B. WIRING DIAGRAM (DFA120) C. WIRING DIAGRAM (DFA170T)
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! . EXPLODED PARTS DRAWING NOTE: SPECIFY MODEL NUMBER AND PART NUMBER WHEN ORDERING PARTS. 23-1 Motor Pump Assembly Burner Head Assembly...
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! . PARTS LIST KEY NO. DESCRIPTION PART NO. DFA45 DFA65 DFA120 DFA170T Fuel Tank Assembly 280-1004-02 280-1004-02 280-1004-01 280-1004-00 Fuel Gauge 282-1001-01 282-1001-01 282-1001-00 282-1001-00 Fuel Filter Assembly 287-4000-20 287-4000-20 287-4000-21 287-4000-21 Fuel Cap...
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! . PARTS LIST KEY NO. DESCRIPTION PART NO. DFA45 DFA65 DFA120 DFA170T Side Cover R 280-5102-90 280-5102-90 280-5103-01 280-5103-10 Side Cover L 280-5102-91 280-5102-91 280-5103-02 280-5103-11 Fan Guard 285-3107-40 285-3107-40 285-3107-41 285-3107-41 Main P.C.B. Assembly...
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LIMITED WARRANTY: This limited warranty is extended to the original retail purchaser of this DuraHeat Heater and warrants against any defect in materials and workmanship for a period of one (1) year from the date of retail sale. World Marketing of America, Inc., at it's option, will either provide replacement parts or replace or repair the unit, within one (1) year of retail purchase.
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