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CONSTRUCTION
Heater Sizes: 80,000 150,000 BTU/Hr
Read and understand this manual before assembling, starting, or servicing heater. Im-
proper use of heater can cause serious injury. Keep this manual for future reference.
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUC-
TIONS PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH,
SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE
FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION,
CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE IN-
STRUCTIONS SHOULD USE OR SERVICE THIS HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN
INSTRUCTIONS MANUAL, LABELS, ETC. CONTACT THE MANUFAC-
TURER.
PROPANE
HEATERS
OWNER'S MANUAL
45 & 80 LP SIDE
150 LP SIDE
!
GENERAL HAZARD WARNING:
PV 0016
PV 017
IMPORTANT
®
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Related Manuals for Desa ROPANE CONSTRUCTION HEATERS
Summary of Contents for Desa ROPANE CONSTRUCTION HEATERS
- Page 1 PROPANE CONSTRUCTION HEATERS OWNER’S MANUAL Heater Sizes: 80,000 150,000 BTU/Hr Read and understand this manual before assembling, starting, or servicing heater. Im- proper use of heater can cause serious injury. Keep this manual for future reference. GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUC- TIONS PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION,...
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Page 2: Table Of Contents
CONTENTS SAFETY INFORMATION SECTION Safety Information ... 2 Product Identification ... 4 Unpacking ... 5 Theory of Operation ... 5 Propane Supply ... 6 Installation ... 6 Ventilation ... 7 Operation ... 8 Storage ... 8 Maintenance ... 9 Preventative Maintenance Schedule ... 9 Service Procedures ... -
Page 3: Safety Warnings
SAFETY INFORMATION Continued 099162 WARNINGS Propane Gas: Propane gas is odorless. An odor-making agent is added to propane gas. The odor helps you detect a propane gas leak. However, the odor added to propane gas can fade. Propane gas may be present even though no odor exists. Make certain you read and understand all Warnings. -
Page 4: Product Identification
PRODUCT IDENTIFICATION Hot Air Outlet (Front) Lower Shell Generic LP 45 & 80 Figure 1 - 80,000 BTU/Hr Model Hot Air Outlet Upper Shell (Front) Lower Shell On/Off Switch Generic LP 155 Inlet Connector Hose /Regulator Assembly Figure 2 - 150,000 BTU/Hr Model Upper Shell Handle Fan Guard... -
Page 5: Unpacking
UNPACKING THEORY OF OPERATION Clean Heated Air Out (Front) 099162 1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to inlet connector and hose/regulator assembly) for storage. 2. Remove all items from carton. 3. Check all items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater. -
Page 6: Propane Supply
PROPANE SUPPLY INSTALLATION Propane gas and propane tank(s) are to be furnished by the user. Use this heater only with a propane vapor withdrawal supply system. See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/ NFPA 58. -
Page 7: Ventilation
VENTILATION 099162 3. Connect hose to inlet connector. Tighten firmly using a wrench. IMPORTANT: Extra hose or piping may be used if needed. Install extra hose or piping between hose/regulator assembly and propane tank. You must use the regulator supplied with heater. 80,000 BTU/Hr Model Shown Figure 5 - Hose and Inlet Connector... -
Page 8: Operation
OPERATION STORAGE Review and understand the warnings in the Safety Information Section, pages 2 and 3. They are needed to safely operate this heater. Follow all local codes when using this heater. To Start Heater 1. Follow all installation, ventilation and safety information. 2. -
Page 9: Maintenance
MAINTENANCE PREVENTATIVE MAINTENANCE SCHEDULE 099162 Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur. 1. Keep heater clean. Clean heater annually or as needed to remove dust and debris. -
Page 10: Service Procedures
SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. 2. Lift or slide upper shell off. 3. Remove fan guard. IMPORTANT: Remove fan from motor shaft before removing motor from heater. - Page 11 Air Sensing Switch (80,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Clean air sensing switch paddle. Use soft cloth moistened with kerosene or solvent. IMPORTANT: Do not scrub. Use gentle cleaning action. Do not bend paddle or paddle arm.
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Page 12: Specifications
7. Replace spark plug into combustion chamber. Tighten spark plug mount- ing 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. -
Page 13: Wiring Diagrams
WIRING DIAGRAMS 80,000 BTU/Hr Model Flame Sensor Spark Plug Ignition Cable Terminal Board Green/Yellow 099162 Electrical Ladder Diagram Flame Sensor Orange Green/Yellow White White Motor Green/Yellow White Electrical Connection Diagram Air Switch Motor Green/Yellow Direct Spark Ignitor White Orange White Black Black White... - Page 14 WIRING DIAGRAMS 150,000 BTU/Hr Model Thermal Switch Blue Insulated Connector Blue On/Off Switch Power Cord 120 VAC Electrical Ladder Diagram Green Black Thermal Switch Blue Blue Solenoid Valve Position of Leads May Vary G V VR ACR AC Green Blue Black Relay S or 2...
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Page 15: Accessories
• No installation required • Plugs into standard 120V outlet You may have further questions about this heater. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. You can receive an Illustrated Parts List free of charge. Send your request and a self-addressed, stamped envelope to DESA International (address on back page). -
Page 16: Warranty And Repair Service
WARRANTY AND REPAIR SERVICE DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for six (6) months 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.