CAUTION Do not try to adjust heating levels by using the manual shutoff valve. 18 OPERATING HEATER TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1. Turn control knob clockwise to the PILOT position. THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard thermostats. Standard therm

design-certified manual shutoff valve from your dealer. See Accessories, page 30. LOCATING HEATER This heater is designed to be mounted on a wall. WARNING Maintain the minimum clearances shown in Figure 4 (page 10). If you can, provide greater clearances from floor, ceiling, and joining wall. You can locate heater on floor, away from a wall. An optional floor mounting stand is needed. Purchase the floor mounting stand from your dealer. See Accessories, page 30. WARNING Never install the heater •

When calling DESA International, have ready • your name • your address • model number of your heater • how heater was malfunctioning • type of gas used (propane/LP or natural gas) • purchase date Usually, we will ask you to return the defective part to the factory. Parts Not Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central (see below) or call DESA International’s Parts Department at 1-800-972-7

Clean ODS/pilot (see Cleaning and Maintenance, page 15) Gas odor even when control knob is in OFF 1. Gas leak. SeeWarning statement at 1. Locate and correct all leaks (see Check- position top of page ing Gas Connections, page 12) 2. Control valve defective 2. Replace control valve Gas odor during combustion 1. Foreign matter between control valve 1. Take apart gas tubing and remove for- and burner eign matter 2. Gas leak. SeeWarning statement at 2. Locate and correct all leaks (see Check- top of

When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2). Follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts. Ventilation Air From Outdoors Provide extra fresh

These two holes are 14 inches apart from their centers. Attach mounting bracket to wall in one of two ways: 1. Attaching to wall stud 2. Attaching to wall anchor Attaching to Wall Stud: This method provides the strongest hold. Insert mounting screws through mounting bracket and into wall studs. Attaching to Wall Anchor: This method allows you to attach mounting bracket to hollow walls (wall areas between studs) or to solid walls (concrete or masonry). Decide which method better suits your needs.

Keep this manual for reference. It is your guide to safe and proper operation of this heater. WARNING: Any change to this heater or its controls can be dangerous. WARNING: Do not use any accessory not approved for use with this heater. Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies. Do not place clothing or other flammable material on or near the appliance. Never place any objects on the heater. Surface of heater becomes very hot wh

Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. POSSIBLE CAUSE CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit. REMEDY When ignitor button is pressed, there is no 1. Ignitor electrode positioned wrong 1. Replace pilot assembly spark at ODS/pilot 2. Ignitor electrode broken 2

WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. WARNING: For natural gas, never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas. IMPORTANT: For natural gas, check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, heater regulator damage could occur. CAUTION: For propane/LP gas, never connect heater directl

— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your build- ing. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas sup- plier, call the fire department. — Installation and service must be per- formed by a qualified inst