PROPANE CONSTRUCTION HEATERS OWNER’S MANUAL Heater Sizes: 80,000 & 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.
80,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER SAFETY INFORMATION WARNINGS WARNING: FIRE, BURN, INHALATION, AND EXPLOSION HAZARD. KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE INSTRUCTIONS. NEVER USE THE HEATER IN SPACES WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE, SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.
OWNER’S MANUAL PRODUCT IDENTIFICATION UNPACKING 1. Upper Shell Hot Air Outlet (Front) 2. 3. Handle Fan Guard Lower Shell Inlet Connector Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to inlet connector and hose/regulator assembly) for storage. Remove all items from carton. Check all items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater. PROPANE SUPPLY Propane gas and propane tank(s) are to be furnished by the user.
80,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER INSTALLATION THEORY OF OPERATION 3. WARNING: Review and understand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater. Follow all local codes when using this heater. THE FUEL SYSTEM The hose/regulator assembly attaches to the propane gas supply. The propane gas moves through the solenoid valve and out the nozzle. 4. THE AIR SYSTEM The motor turns the fan.
OWNER’S MANUAL VENTILATION WARNING: Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventilation before running heater. 6. Turn on/off switch to the ON position. Heater will start within twenty seconds. Note: If heater does not start, turn on/ off switch to the OFF position. Wait ten seconds for safety control to reset, then try again.
80,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur. UPPER SHELL REMOVAL 1. 2. 3. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. Lift or slide upper shell off. Remove fan guard. FAN IMPORTANT: Remove fan from motor shaft before removing motor from heater.
OWNER’S MANUAL SERVICE PROCEDURES Continued IGNITOR (150,000 Btu/Hr Model) 1. Make sure gap between ignitor electrode and burner nozzle is .13⁄.15". Access ignitor electrode from inside combustion chamber. No other maintenance is needed for ignitor. Replace spark plug into combustion chamber. Tighten spark plug mounting nut finger tight onto spark plug threads. Use 11/16" socket to hold spark plug mounting nut. Tighten spark plug to spark plug mounting nut using 13/16" spark plug socket. 8.
0,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER WIRING DIAGRAMS 80,000 BTU/HR MODEL Electrical Ladder Diagram Electrical Connection Diagram Ignition Cable Red Flame Sensor Flame Sensor Spark Plug Spark Plug Green/Yellow Red Direct Spark System Air Switch Black Main Valve Terminal Board Red Main Valve Return White Ground Neutral Solenoid Red Thermostat Direct Spark Ignitor Ignition Cable Red Green/Yellow Motor Sensor Main Valve Main Valve Return Thermostat Neutral Sensor Gr
OWNER’S MANUAL ACCESSORIES Purchase accessories and parts from your nearest dealer or service center. If your dealer or service center can not supply an accessory or part, either contact your nearest Parts Central (listed in the separate Authorized Service Center booklet) or call DESA International’s Parts Department at 1-800-972-7879 for referral information. You can also write to the address listed on the back page of this manual. HOSE: LPA1000 For 80,000 Btu/Hr Model.
80,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER ILLUSTRATED PARTS 8 BREAKDOWN 1 3 BLP80 RLP80 9 2 7 6 14 4 10 5 12 40 11 13 18 19 15 16 20 17 25 24 41 21 23 22 13 39 13 37 31 29 36 34 26 28 33 13 35 42 43 22 30 27 13 38 32 29 Generic LP 80 10 LP-PFA/PV 010 101567
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 9 of this manual. BLP80 RLP80 KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 PART NO.
80,000 AND 150,000 BTU/HR PROPANE CONSTRUCTION HEATER ILLUSTRATED PARTS BREAKDOWN 24 2 31 3 1 BLP155A RLP155A 5 6 9 8 4 32 7 23 11 44 25 10 29 37 34 26 33 43 38 21 22 12 6 20 19 40 16 42 7 28 35 15 20 17 39 36 30 18 41 14 13 8 27 Note: Screws are standard hardware items 12 101567
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 9 of this manual. BLP155A RLP155A KEY NO. PART NO.
WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY 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.
