Desa ROPANE CONSTRUCTION HEATERS - Manuals

Page 2 - CONTENTS; Carbon Monoxide Poisoning:; Some people are more affected by carbon; WARNING; WARNINGS; SAFETY

2 099162 Safety Information ......................................................................... 2Product Identification .................................................................... 4Unpacking ...................................................................................... 5Theory...

Page 3 - Continued; Propane gas is odorless. An odor-making agent is added to

3 099162 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 addedto propane gas can fade. Propane gas may be present even though no odor exists. Make certain you r...

Page 5 - THEORY OF; The hose/regulator assembly attaches to the propane gas; The motor turns the fan. The fan pushes air into and around; The direct spark ignitor (DSI) sends voltage to the spark; The Safety Control System:; This system causes the heater to shut down if the; Some parts are located differently on some models.; UNPACKING; dealer where you bought heater.

5 099162 45/80 LP SIDE LP-PFA/OV 001A Air For Combustion And Heating Fuel CombustionChamber DSI Nozzle Figure 3 - Cross Section Operational View (80,000 BTU/Hr Model Shown) CleanHeatedAir Out(Front) Cool Air In(Back) THEORY OF OPERATION The Fuel System: The hose/regulator assembly attaches to the pr...

Page 6 - Propane gas and propane tank(s) are to be furnished by the user.; Figure 4 - Regulator With Vent Pointing Down; INSTALLATION; Tighten regulator with vent pointing down.

6 099162 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 Chapter5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58. Your local library or fire department will have...

Page 7 - Figure 5 - Hose and Inlet Connector; VENTILATION

7 099162 Generic LP 45 & 80 LP-PFA/P 023 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 usethe regulator supplied with heater. 4. Ope...

Page 8 - To Start Heater; into front or rear of heater.; OPERATION; STORAGE; heater combustion chamber.; Extension Cord Size Requirement; If not opened; To Stop Heater; CAUTION

8 099162 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. Extension cord must be at ...

Page 9 - MAINTENANCE; debris. If heater is dirty or dusty, clean heater with a damp cloth.; PREVENTATIVE; Item; How Often

9 099162 MAINTENANCE ! WARNING Never service heater while it is plugged in, connected topropane supply, operating, or hot. Severe burns andelectrical 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 ...

Page 10 - SERVICE; Upper Shell Removal; Remove screws along each; Figure 10 - Fan Cross Section; Remove fan

10 099162 LP-PFA/P 019B 45/80 Models FAN CROSS SECTION LP-PFA/P 013 FAN LP-PFA/P 023 SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side of heater using 5/16"nut-driver. These screwsattach upper and lowershells together. 2. Lift or slide upper shell off.3. Remove fan guard. F...

Page 11 - Figure 13 - Spark Plug Gap; Ignitor; Figure 12 - Spark Plug and Spark Plug Mounting Nut Location

11 099162 LP-PFA/P 019A 150 Model Air Sensing Switch (80,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Clean air sensing switch paddle. Use soft clothmoistened with keroseneor solvent. IMPORTANT: Do not scrub. Use gentlecleaning action. Do notbend paddle or paddlearm. 3. Blot paddle dry ...

Page 12 - SPECIFICATIONS; Figure 14 - Spark Plug Mounting Nut Location

12 099162 7. Replace spark plug into combustion chamber.Tighten spark plug mount-ing nut finger tight ontospark plug threads. Use11/16" socket to holdspark plug mounting nut.Tighten spark plug tospark plug mounting nutusing 13/16" spark plugsocket. 8. Attach spark plug cable to spark plug. 9...

Page 15 - A 10 foot hose for locating heater further away from propane tank(s).; Fuel Gas Connector: LPA4020 - For All Models; A POL adapter with excess-flow check valve.; Parts Under Warranty

15 099162 ACCESSORIES Purchase accessories and partsfrom your nearest dealer orservice center. If your dealeror service center can notsupply an accessory or part,either contact your nearestParts Central (listed in theseparate Authorized ServiceCenter booklet) or call DESAInternational’s Parts Depart...

Page 16 - WARRANTY AND REPAIR SERVICE; LIMITED WARRANTY; WARRANTY SERVICE

DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship forsix (6) months from the date of first purchase when operated and maintained in accordance with instructions. This warrantyis extended only to the original retail purchaser, when pr...