Summary of Contents for Desa PORTABLE FORCED AIR HEATER
Page 1
PORTABLE FORCED AIR HEATER OWNER’S MANUAL 150 SIDE FRONT HANDLE PFA/PV 007 Heater Size: 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.
SAFETY WARNINGS (Continued) INFORMATION • 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. 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.
Hot Air PRODUCT Outlet IDENTIFICATION Upper Shell Lower Fan Guard Shell Fuel Cap Fuel Tank Side Cover Flame-Out Power Cord Control Reset Button Figure 1 - 165,000 Btu/Hr Model UNPACKING 1. Remove all packing items applied to heater for shipment. 2.
ASSEMBLY This model is furnished with wheels and a front handle. Wheels, handle, and the 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).
THEORY OF 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. OPERATION A fine mist of fuel is sprayed into the combustion chamber. The Air System: The motor turns the fan.
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: •...
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.
STORING, Note: If shipping, transport companies require fuel tanks to be empty. 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.
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. flame-out control shuts off heater after Dirty air output, air intake See Air Output, Air Intake...
SERVICE WARNING PROCEDURES Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Shell Removal 1. Remove screws along each side of heater using 5/16" nut- Upper Shell driver. These screws attach upper and lower shells together.
Burner Head Nozzle Spark Plug Combustion 1. Remove upper shell (see page 11). Wire Chamber 2. Remove fan (see page 11). 3. Remove fuel and air line hoses from burner head. 4. Remove spark plug wire from Screw spark plug. Spark 5.
Gap Adjusting Screw 7. Check for debris in pump. If debris is found, blow out with compressed air. .003"/.004" Gap 8. Install insert and rotor. Measured With Blade Feeler Gauge 9. Check gap on rotor. Adjust to .003"/.004" if needed (see Figure 16).
Usually, we will ask you to return the defective part to the factory. Parts Not Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Parts Dept. at 1-800-972-7879 for information. When calling DESA International, have ready • model number of your heater •...
ILLUSTRATED PARTS BREAKDOWN 165,000 Btu/Hr BURNER HEAD ASSEMBLY BURNER HEAD RC70 & 100B PFA/P 016 and RC 100B and SEARS 70 & 100 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-17 10-8 10-16 10-15 10-9 10-13 10-10 10-14 10-11 10-13 MOTOR PACKAGE ASSEMBLY 10-12 101911...
Page 17
PARTS LIST 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), 165,000 Btu/Hr then the part number and description of the desired part. PART PART NUMBER...
(6) months from the date of first A defect may be caused by faulty materials or workman- purchase when operated and maintained in accordance ship. If so, DESA International will repair or replace the with instructions. This warranty is extended only to the heater without charge.
Need help?
Do you have a question about the PORTABLE FORCED AIR HEATER and is the answer not in the manual?
Questions and answers