www.desatech.com 113855-01D2SaFety INFOrMatIONWARNING: This productcontains and/or generateschemicals known to the Stateof California to cause cancer orbirth defects or other reproduc-tive harm.WARNING: Fire, burn, in-halation and explosion hazard.Keep solid combustibles, suchas building materials, paper orcardboard, a safe distance awayfrom the heater as recommendedby the instructions. Never usethe heater in spaces which do ormay contain volatile or airbornecombustibles or products suchas gasoline, solvents, paint thin-ner, dust particles or unknownchemicals.WARNING: Not for home orrecreational vehicle use.The heater is designed for use as a con-struction heater in accordance with ANSIZ83.7•CGA2.14-2000. Other standardsgovern the use of fuel gases and heatingproducts for specific uses. Your local author-ity can advise you about these. The primarypurpose of construction heaters is to providetemporary heating of buildings under con-struction, alteration or repair. Properly used,the heater provides safe economical heating.Products of combustion are vented into thearea being heated.We cannot foresee every use which may bemade of our heaters. Check with your localfire safety authority if you have questionsabout heater use.Other standards govern the use of fuel gasesand heat producing products for specificuses. Your local authorities can advise youabout these.Carbon Monoxide Poisoning: Some people aremore affected by carbon monoxide than oth-ers. Early signs of carbon monoxide poisoningresemble the flu, with headaches, dizzinessand/or nausea. If you have these signs, theheater may not be working properly. Get freshair at once! Check for proper ventilation andhave heater serviced.Propane Gas: Propane gas is odorless. Anodor-making agent is added to propane gas.The odor helps you detect a propane gasleak. However, the odor added to propanegas can fade. Propane gas may be presenteven though no odor exists.Make certain you read and understand allwarnings. Keep this manual for reference. Itis your guide to safe and proper operation ofthis heater.1. Install and use heater with care. Followall local ordinances and codes. In theabsence of local ordinances and codes,refer to the Standard for Storage andHandling of Liquefied Petroleum Gas,ANSI/NFPA 58 and the Propane GasInstallation Code, CAN/CGA B149.2. Thisinstructs on the safe storage and handlingof propane gases.2. Use only the electrical voltage and fre-quency specified on model plate. Theelectrical connections and grounding ofthe heater shall follow the National ElectricCode, ANSI/NFPA 70 or the CanadianElectrical Code, Part 1.3. Electrical grounding instructions - Thisappliance is equipped with a three-prong(grounding) plug for your protection againstshock hazard and should be plugged di-rectly into a properly grounded three-prongreceptacle or extension cord.4. This product has been approved for use inthe Commonwealth of Massachusetts.5. Use only a three-prong, grounded exten-sion cord.6. Use only the hose and factory presetregulator provided with the heater.7. Use only propane gas set up for vaporwithdrawal.8. Provide adequate ventilation. Beforeusing heater, provide at least a 1.5 ft2(1400 cm2) opening of fresh, outside air.9. For indoor use only. Do not use heateroutdoors.10. Do not use heater in occupied dwellingsor in living or sleeping quarters.