Owner's Manual

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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,

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.

Heater Sizes: 80,000 150,000 BTU/Hr

PROPANE

CONSTRUCTION

HEATERS

OWNER’S MANUAL

150 LP SIDE PV 017

45 & 80 LP SIDE PV 0016

IMPORTANT

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.

Summary of content (16 pages)

PAGE 1
PROPANE CONSTRUCTION HEATERS OWNER’S MANUAL 45 & 80 LP SIDE 150 LP SIDE PV 0016 PV 017 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.
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CONTENTS SAFETY INFORMATION SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Unpacking ...................................................................................... 5 Theory of Operation ...................................................................... 5 Propane Supply .......................................................................
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SAFETY INFORMATION Continued ! 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. Keep this manual for reference. It is your guide to safe and proper operation of this heater. • For indoor use only. Provide adequate ventilation. • Use only in well vented areas.
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PRODUCT IDENTIFICATION Upper Shell Hot Air Outlet (Front) Handle Fan Guard Lower Shell Inlet Connector On/Off Switch Power Cord Generic LP 45 & 80 LP-PFA/PV 008A Figure 1 - 80,000 BTU/Hr Model Hot Air Outlet (Front) Hose /Regulator Assembly Upper Shell Handle Fan Guard Lower Shell Power Cord On/Off Switch Generic LP 155 InletLP-PFA/PV 008B Connector Hose /Regulator Assembly 4 Figure 2 - 150,000 BTU/Hr Model 099162
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UNPACKING 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. THEORY OF OPERATION 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.
PAGE 6
PROPANE SUPPLY 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. Your local library or fire department will have this booklet. The amount of propane gas ready for use from propane tanks varies. Two factors decide this amount: 1. The amount of propane gas in tank(s) 2.
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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 Inlet Connector Hose Figure 5 - Hose and Inlet Connector Generic LP 45 & 80 LP-PFA/P 023 4. Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane tank will stop gas flow.
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OPERATION ! WARNING 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. Locate heater on stable and level surface. Make sure strong drafts do not blow into front or rear of heater. 3. Plug power cord of heater into a three-prong, grounded extension cord.
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MAINTENANCE ! WARNING 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. If heater is dirty or dusty, clean heater with a damp cloth. 2. Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections. Bubbles forming show a leak. Correct all leaks at once. 3.
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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. 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. Fan IMPORTANT: Remove fan from motor shaft before removing motor from heater.
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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. 3. Blot paddle dry with a soft cloth. 4. Replace fan guard and upper shell. Air Sensing Switch Paddle Paddle Arm Figure 11 - Air Sensing Switch Location, 80,000 BTU/Hr Model Only 150 Model Ignitor LP-PFA/P 019A (150,000 BTU/Hr Model) 1.
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7. 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. Attach spark plug cable to spark plug. 9. Replace fan (see page 10). 10. Replace fan guard and upper shell.
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Electrical Ladder Diagram WIRING DIAGRAMS Ignition Cable Flame Sensor Spark Plug Main Valve Return Main Valve Thermostat Sensor Neutral Ground 80,000 BTU/Hr Model Direct Spark System Red Orange Solenoid Green/Yellow Red White White Red Air Switch Black Black Motor Switch On/Off Green/Yellow Green White Electrical Connection Diagram Flame Sensor Red Red Air Switch Spark Plug Black Solenoid Valve Motor Green/Yellow Red Main Valve Return Main Valve Thermostat Ground Neutral Term
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WIRING DIAGRAMS Electrical Ladder Diagram Black 150,000 BTU/Hr Model Green Thermal Switch White Ignitor Blue Blue Solenoid Valve Position of Leads May Vary Orange Safety Control G V VR ACR AC Green Blue Blue Black White Fuse * Black Relay S or 2 Black L or 1 White Motor Red M or 3 Green or Green/Yellow Neutral * If Equipped Line Electrical Connection Diagram Thermal Switch Blue Solenoid Valve Blue Green Blue Insulated Connector Safety Control G Orange Ignitor V VR ACR AC Positio
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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 (502) 781-9600. You can also write to the address listed on the back page of this manual.
PAGE 16
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 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. This warranty covers only the cost of parts and labor required to restore the product to proper operating condition.