Page 2 - VENT-FREE NATURAL GAS LOG HEATER; Carbon Monoxide Poisoning:; WARNINGS; WARNING: Any change to
2 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com 1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases. 2. If you smell gas• shut off gas supply• do not try to light any appl...
Page 3 - OWNER’S MANUAL; PRODUCT IDENTIFICATION; CAUTION: Do not remove the; Where listed vented decorative logs; OPERATION
3 107123 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCT IDENTIFICATION Figure 1 - Vent-Free Gas Log Heater - Duel Burner (Logs May Vary by Model -Smoky Mountain Oak Logs Shown) LOCAL CODES Install and use heater with care. Follow all localcodes. In the absence of local codes, us...
Page 4 - Unusually Tight Construction; per; SAFETY PILOT
4 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com AIR FORCOMBUSTION ANDVENTILATION Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home ownersweather strip a...
Page 5 - Determining if You Have a Confined or Unconfined Space
5 107123 OWNER’S MANUAL For more information, visit www.desatech.com AIR FORCOMBUSTION ANDVENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: In...
Page 6 - Figure 4 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Do not provide openings for; Figure 3 - Ventilation Air from Inside Building
6 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com AIR FORCOMBUSTION ANDVENTILATION Continued VENTILATION AIR Ventilation Air From InsideBuilding This fresh air would come from an adjoiningunconfined space. When ventilating to anadjoining unconfined space, you mus...
Page 7 - INSTALLATION; CHECK GAS TYPE
7 107123 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION WARNING: A qualified ser- vice person must install heater.Follow all local codes. WARNING: Before installing in a solid fuel burning fireplace,the chimney flue and firebox mustbe cleaned of soot, creosote,ashes, and lo...
Page 8 - If Using Mantel; If you cannot meet these; If Not Using Mantel; If using a mantel, proceed to If Using; Noncombustible; Noncombustible material okay.; When installing your gas logs; Installing Damper
8 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com If Using Mantel You must have noncombustible material(s)above the fireplace opening. Noncombus-tible materials (such as slate, marble, tile,etc.) must be at least 1/2 inch thick. Withsheet metal, you must have non...
Page 9 - Figure 7 - Minimum Mantel Clearances Without Using Hood; MANTEL CLEARANCES; FLOOR CLEARANCES; A. If installing appliance on the floor level,; Figure 8 - Minimum Mantel Clearances When Using Hood; flue damper open
9 107123 OWNER’S MANUAL For more information, visit www.desatech.com Figure 7 - Minimum Mantel Clearances Without Using Hood MANTEL CLEARANCES In addition to meeting noncombustible mate-rial clearances, you must also meet requiredclearances between fireplace opening andmantel shelf. If you do not me...
Page 10 - You prefer vented operation.; Figure 11 - Attaching Damper Clamp; Masonry Fireplace; Chimney; Manufactured Fireplace
10 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com INSTALLATION Continued INSTALLING DAMPERCLAMP ACCESSORY FORVENTED OPERATION Note: When used as a vented heater, appli- ance must be installed only in a solid-fuelburning fireplace with a working flue andconstruct...
Page 11 - WARNING: If installing in a; Installation Items Needed
11 107123 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION Continued INSTALLING HEATER BASEASSEMBLY IMPORTANT: Make sure the heater burn- ers are level. If heater is not level, heater willnot work properly. For thermostat models,avoid damage to thermostat bulb. Avoidnicks or ...
Page 12 - CAUTION: Avoid damage to; Figure 15 - Gas Connection; WARNING: Never connect; WARNING: This appliance
12 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com CAUTION: Avoid damage to regulator. Hold gas regulator withwrench when connecting it to gaspiping and/or fittings. Figure 15 - Gas Connection * Purchase the optional CSA/AGA design-certified equipment shutoff val...
Page 13 - WARNING: Never use an open; Figure 16 - Equipment Shutoff Valve; Figure 17 - Checking Gas Joints; Correct all leaks at once.
13 107123 OWNER’S MANUAL For more information, visit www.desatech.com WARNING: Never use an open flame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles formingshow a leak. Correct all leaks atonce. WARNING: Test all gas pip- ing and connections for leaksafter instal...
Page 14 - WARNING: Failure to position; INSTALLING LOGS; CAUTION: After installation
14 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com INSTALLATION Continued WARNING: Failure to position the parts in accordance with thesediagrams or failure to use onlyparts specifically approved withthis heater may result in propertydamage or personal injury. IN...
Page 16 - CAUTION: After installation and; Locate peg and hole on the bot-
16 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com Dual Burner Biltmore Split OakModels WARNING: Failure to position the parts in accordance with thesediagrams or failure to use onlyparts specifically approved withthis heater may result in propertydamage or perso...
Page 17 - Figure 35 - Installing Back Log; Locate holes
17 107123 OWNER’S MANUAL For more information, visit www.desatech.com Single Burner Mountain OakModels INSTALLATION Continued WARNING: Failure to position the parts in accordance with thesediagrams or failure to use onlyparts specifically approved withthis heater may result in propertydamage or pers...
Page 18 - • If fireplace has glass doors,; WARNING: Damper handle
18 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com 1. STOP! Read the safety information,column 1. 2. Make sure equipment shutoff valveis fully open. 3. Press in and turn control knob clock-wise Clockwise to the OFF position. WARNING: If you do not fol- low these ...
Page 19 - WARNING; Shutting Off Heater; CAUTION: Do not try to adjust
19 107123 OWNER’S MANUAL For more information, visit www.desatech.com 1. STOP! Read the safety information,column 2. 2. Make sure equipment shutoff valveis fully open. 3. Turn control knob clockwise Clockwise to the OFF position. 4. Wait five (5) minutes to clear out anygas. Then smell for gas, incl...
Page 20 - Selecting the Hi setting with the; Figure 42 - Correct Pilot Flame Pattern
20 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com LO HI OFF Pilot Figure 40 - Control Knob and Ignitor But-ton Location 5. Turn control knob counterclockwise C-clockwise t o t h e P I L OT p o s i t i o n . Press in control knob for five (5) sec-onds (see Figure...
Page 21 - WARNING: Turn off heater; LOGS; • If you remove logs for cleaning, refer to; MAIN BURNER; Figure 45 - Pilot Inlet Air Hole
21 107123 OWNER’S MANUAL For more information, visit www.desatech.com CLEANING ANDMAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu-lating air passageways of heaterclean. Inspect these areas ofheater before each use. Haveheater...
Page 22 - TROUBLESHOOTING; POSSIBLE CAUSE; All troubleshooting items are listed in
22 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. CAUTION: Never use a wire, needle, or similar object to cleanO...
Page 23 - OBSERVED PROBLEM; nance, page 21) or replace burner orifice
23 107123 OWNER’S MANUAL For more information, visit www.desatech.com OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistli...
Page 24 - IMPORTANT
24 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com 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 ...
Page 25 - Do not crimp capillary.
25 107123 OWNER’S MANUAL For more information, visit www.desatech.com Adhesive-backedMounting Clip Figure 49 - Locating Thermostat SensingBulb on Masonry Fireplace ThermostatSensing Bulb , , , , Q Q Q Q ¢ ¢ ¢ ¢ Adhesive-backedMountingClip ThermostatSensingBulb Figure 50 - Locating Thermostat Sensing...
Page 26 - SPECIFICATIONS; DUAL BURNER BILTMORE SPLIT OAK MODELS; When Gas Pressure Is Too Low; SERVICE HINTS; PARTS UNDER WARRANTY
26 107123 VENT-FREE NATURAL GAS LOG HEATER For more information, visit www.desatech.com SPECIFICATIONS DUAL BURNER SMOKY MOUNTAIN OAK AND PREMIUM AGEDSPLIT OAK MODELS 18" Model 24" Models 30" Models Btu (Variable) 16,000/30,000 20,000/39,000 20,000/39,0000 Type Gas Natural Gas Only Natur...
Page 27 - PARTS CENTRAL; FIREPLACE HOOD
27 107123 OWNER’S MANUAL For more information, visit www.desatech.com These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs by providing original replacement parts and accessories. Baltimore Electric 1348 Dixwell AvenueHamden, CT 06514-03221-800-397-755...
Page 29 - PARTS LIST
29 107123 OWNER’S MANUAL For more information, visit www.desatech.com This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 26 of this manual. PARTS LIST Variable Manually-ControlledSmoky Mountain Oak Models KEY C...
Page 31 - KEY
31 107123 OWNER’S MANUAL For more information, visit www.desatech.com This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 26 of this manual. PARTS LIST Thermostatically-ControlledPremium Aged Split Oak Models KE...
Page 42 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; NOT A UPC; INTERNATIONAL
LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of firstpurchase, provided that the product has been properly installed, operated and maintained in accordance ...