HEATER HEATSTAR Gas-Fired,Low-IntensityInfraredHeatersapprovedforresidentialGarage/CommercialApplicationsMHT45READINSTRUCTIONSCAREFULLY: Readandfollowallinstructions.Placeinstructionsinasafeplaceforfuturereference.Donotallowanyonewhohasnotreadtheseinstructionstoassemble,light,adjustoroperatetheheater. OPERATINGINSTRUCTIONSANDOWNER’SMANUALHST45LEDOMLEDOMMR. HEATER HEATSTAR — WHAT TO DO IF YOU SMELL GAS • Open Windows • DO NOT try to light any appliance. • DO NOT use electrical switches. • DO NOT

This results in the greatest heater comfort and may result in lower bills. LOCAL CODES Install and use heater with care. Installation must conform to local codes or in the absences of local codes, use the latest edition of National Fuel Gas Code ANSI Z223.1/NFPA 54. UNPACKING 1. Remove heater from carton. 2. Remove all protective packaging applied to heater for shipment. 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater. c. Caulking or

• Equipment shutoff valve* • Ground joint union 5 Installation instructions and Owner’s Manual 36” min. from ceiling 6” Min from adjoining walls Left Side Right Side Floor 2” min. to top surface of carpet, tile or other combustible material Figure 4 FASTENING HEATER TO WALL Mounting Bracket The mounting bracket in located on the back panel of heater (see figure 5). It has been taped there for shipping. Remove mounting bracket from back panel. Figure 5 Mounting Bracket Removing Front Panel of Hea

PARTS NOT UNDER WARRANTY Contact authorized dealer of this product. If they can’t supply original replacement part(s), call Enerco Group, Inc.’s 800# on the back of this manual. TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting, if so, contact Enerco Group, Inc.’s 800# on the back of this manual. ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, contact your nearest Parts Central or cal

These include attics* and crawl spaces. Follow the National Fuel Gas Code NFPA 54/ ANSI Z223.1, Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts. *IMPORTANT: Do not provide openings for inlet or outlet into attic. If attic has a thermostat-controlled power vent, heated air entering the attic will activate the power vent. IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial, installing heater in rooms without enough vent

If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, persons with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes. Natural Gas: Raw natural gas is odorless. An odor making agent is added to natural gas, which helps you detect a natural gas leak. However the odor added to natural gas can fade. So nat

Operate buner until air is removed from line have gas line checked by local gas company. 3. Observe minimum installation clearances(see Figure 4 page6) 4. Clean burner orifice (see Cleaning and Maintenance on page 13), or replace burner orifice. White powder residue forming within burner box or on adjacent walls or furniture 1. When heated, vapors from furniture polis, wax, carpe cleaners, etc., turn into white powder residue 1. Turn heater off when using furniture poils,wax, carpet cleaner or s

11.Always run heater with control knob in a locked position. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result if control knob is left between locked positions. DANGER: Carbon monoxide poisoning may lead to death. Carbon Monoxide Poisoning: WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assembly, operate, or service this heater. Improper use of this heater can cause serious injury or death from

Bubbles forming show a leak. 4. Correct all leaks at once. 5. Depressurize and relieve pressure from supply piping system. Installation instructions and Owner’s Manual 70574 REV. C 8/05 8 Pressure Testing Heater Gas Connections: Pressure Testing Heater Gas Connections: . Make sure that the heater supply piping system is connected and has been leak tested as described above. 2. Make sure control knob of heater is in OFF position. 3. Open equipment shutoff valve (see figure 13). 4. Open main gas v

With the unit off, lightly blow air through the air inlet hole. You may blow through a drinking straw if compressed air is not available. 13 Installation instructions and Owner’s Manual TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. WARNING: Only a qualified service person should service and repair heater. CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Make sure grille guard is in pl