CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve. Ignitor Button Control Knob Figure 16 - Control Knob and Ignitor Button Location Thermocouple Pilot Burner Figure 17 - Pilot 111487-01E OPERATING HEATER Note: The correct pilot flame on natural gas units will have a slight curve, but flame should be blue Continued TO TURN OFF GAS TO APPLIANCE and have no yellow or orange color. Pilot Shutting Off Heater Burner Turn control knob clockwise to the OFF position. Therm

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

The mounting clip must be a minimum of 3" Capillary from bottom of fireplace to prevent crimping Do Not Crimp of capillary. Once you have decided on a Capillary location, clean the area thoroughly. Remove Figure 44 - Positioning the Thermostat the paper backing from the adhesive on back Sensing Bulb in the Vertical Position of mounting clip. Press the clip into the new with the Capillary at the Bottom location so that the thermostat sensing bulb will be positioned vertically with the capillary a

The fireplace must set on a metal or wood panel extending the full width and depth of the fireplace. See Accessories on page 33 for mantel kits available for this fireplace. If you are using a separate combustible mantel piece, refer to Figure 7 on page 5 for proper installation height. You can install non-combustible mantels at any height above the fireplace. 20" 34 3/4" 5/8" for drywall facing Must maintain a minimum 1" clearance to combustibles Figure 5 - Framing Clearances for Typical Firepl

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

Keep these holes clear of dust, dirt, lint and pet hair. Clean these air inlet holes prior to each heating season. Blocked air holes will create soot. We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person. We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. To clean these parts we recommend using compressed air no greater than 30 PSI. Your local computer store, hardwa

Check your building codes for any special requirements for locating manual shutoff valve to fireplaces. Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged fireplace valves. We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 35. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate

When ordering parts, follow the instructions PARTS LIST listed under Replacement Parts on page 24 of this manual. S39NT KEY NO. PART NO. DESCRIPTION QTY. 1 107085-01CK Top Panel, Stove 1 2 107077-01CK Pedestal Stove Assembly 1 3 107076-01CK Stove Base 1 4 107075-01CK Stove Back Panel 1 5 107082-01CK Top Trim 1 6 105657-01 Blower Bracket 2 7 107363-01CK Door 1 8 107078-01CJ Firebox Back Panel 1 9 107080-01CK Firebox Floor 1 10 107081-01CJ Firebox Top 1 11 107365-01CK Screen Assembly 1 12 101382-0

When heated, vapors from 1. Turn heater off when using within burner box or on adjacent furniture polish, wax, carpet furniture polish, wax, carpet walls or furniture cleaners, etc. may turn into cleaners or similar products white powder residue 111487-01E TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s

3. You prefer vented operation. If reasons number 1 or 2 above apply to you, you must permanently open chimney flue damper. You must install the damper clamp accessory (to order, see Accessories, page 33). This will insure vented operation (see Figure 10). The damper clamp will keep damper open. Installation instructions are included with clamp accessory. See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintai