Page 2 - UNVENTED NATURAL GAS FIREPLACE; DANGER: Carbon monoxide; Carbon Monoxide Poisoning:; WARNINGS; WARNING: Any change to
2 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com SAFETYINFORMATION DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble theflu, with headaches, dizziness, or nausea. Ifyou have these si...
Page 3 - OWNER’S MANUAL; Figure 1 - Log Base Assembly, Split Oak Set; LOCAL CODES; American National Standards Institute, Inc.; UNPACKING; The; WARNING: Do not remove
3 107157 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCTIDENTIFICATION Figure 1 - Log Base Assembly, Split Oak Set Figure 2 - Fireplace Top LouverAssembly FireplaceHood BottomLouverAssembly ScreenAssembly Top OuterCasing Firebox Support Optional BlowerAssembly(Not Included) Rear ...
Page 4 - Unusually Tight Construction; per; OPERATION
4 107157 UNVENTED NATURAL GAS FIREPLACE ® 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 107157 OWNER’S MANUAL For more information, visit www.desatech.com AIR FORCOMBUSTION ANDVENTILATION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE 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:...
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 107157 UNVENTED NATURAL GAS FIREPLACE ® 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; Your fireplace is designed to be used; CHECK GAS TYPE; WARNING: Never install the; Figure 5 - Installing Hood; INSTALLING HOOD; ELECTRICAL HOOKUP; WARNING: Never connect
7 107157 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION Continued CAUTION: This fireplace cre- ates warm air currents. These cur-rents move heat to wall surfacesnext to fireplace. Installing fire-place next to vinyl or cloth wallcoverings or operating fireplacewhere impurit...
Page 8 - If you are recessing the firebox; Figure 6 - Assembling Brass Trim
8 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com INSTALLATIONCLEARANCES .5 2 7/16 7/8 1 3 / 4 3 1 / 2 5 1 / 4 7 8 3 / 4 10 1 / 2 12 1 / 4 1 4 6 8 10 12 14 16 FIREBOX INCHES INCHES INSTALLATION Continued ASSEMBLING ANDATTACHING OPTIONALBRASS TRIM(Included with Ma...
Page 9 - Figure 10 - Installing Cabinet Mantel; You can secure base to floor us-; Figure 11 - Location of Nailing Flanges
9 107157 OWNER’S MANUAL For more information, visit www.desatech.com Figure 10 - Installing Cabinet Mantel ,,,,, ,,,,, QQQQQ QQQQQ ¢¢¢¢¢ ¢¢¢¢¢ ,,,, ,,,, ,,,, ,,,, ,,,, QQQQ QQQQ QQQQ QQQQ QQQQ ¢¢¢¢ ¢¢¢¢ ¢¢¢¢ ¢¢¢¢ ¢¢¢¢ CabinetMantel INSTALLATION Continued 4. Place hearth base accessory againstwall at...
Page 10 - Installation Items Needed
10 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com INSTALLING GAS PIPING TOFIREPLACE LOCATION Installation Items Needed Before installing fireplace, make sure youhave the items listed below. • piping (check local codes) • sealant (resistant to propane/LP gas) • e...
Page 11 - Figure 17 - Gas Connection; Install equipment shutoff; • Phillips screwdriver; CAUTION: Do not pick up log
11 107157 OWNER’S MANUAL For more information, visit www.desatech.com CSA/AGA Design-Certified EquipmentShutoff Valve With1/8" NPT Tap* 3" Minimum From Gas Meter (5" W.C. to 10.5" W.C. Pressure) ApprovedFlexible GasLine Pipe Nipple Cap Tee Joint Sediment Trap Figure 17 - Gas Connecti...
Page 12 - Figure 20 - Equipment Shutoff Valve; Correct all leaks at once.; WARNING: Never use an open; Correct all leaks at once.; Figure 21 - Checking Gas Joints
12 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ QQQ...
Page 13 - WARNING: You must operate; Figure 26 - Installing Fireplace Screen; WARNING: Failure to position; INSTALLING LOGS; CAUTION: Do not remove the
13 107157 OWNER’S MANUAL For more information, visit www.desatech.com WARNING: You must operate this fireplace with the fireplacescreen in place. Make sure fire-place screen is in place beforerunning fireplace. Figure 26 - Installing Fireplace Screen Notches Screws forMountingScreen WARNING: Failure...
Page 14 - LIGHTING; FOR YOUR SAFETY; Thermostat-Controlled Models
14 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com LIGHTING INSTRUCTIONS WARNING: You must operate this fireplace with the fireplacescreen in place. Make sure fire-place screen is installed beforerunning fireplace. NOTICE: During initial operationof new fireplace...
Page 15 - Shutting Off Fireplace; Manually-Controlled Models
15 107157 OWNER’S MANUAL For more information, visit www.desatech.com LIGHTING INSTRUCTIONS WARNING: You must operate this fireplace with the fireplacescreen in place. Make sure fire-place screen is installed beforerunning fireplace. NOTICE: During initial operationof new fireplace, burning logswill...
Page 16 - WARNING: Do not operate
16 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com Figure 30 - Pilot WARNING: Do not operate heater between locked positions. CAUTION: Do not try to adjust heating levels by using the equip-ment shutoff valve. VARIABLE CONTROL OPERATION The variable control valve...
Page 17 - Figure 31 - Correct Pilot Flame Pattern; Figure 32 - Incorrect Pilot Flame Pattern; • turn fireplace off (see To Turn Off Gas to; Blower Kit Model GA3700 Series; WARNING: This fireplace has
17 107157 OWNER’S MANUAL For more information, visit www.desatech.com OPERATINGFIREPLACE Continued INSPECTINGBURNERS Check pilot flame pattern and burner flamepatterns often. PILOT FLAME PATTERN Figure 31 shows a correct pilot flame pat-tern. Figure 32 shows an incorrect pilotflame pattern. The inco...
Page 18 - WARNING: If front burner; WARNING: Turn off fireplace; LOGS; • If you remove logs for cleaning, refer to; Figure 36 - Pilot Inlet Air Hole
18 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com FRONT BURNER FLAMEPATTERN Figure 33 shows correct front burner flamepattern. Figure 34 shows incorrect frontburner flame pattern. The incorrect burnerflame pattern shows yellow tipping at top ofblue flame. WARNIN...
Page 19 - POSSIBLE CAUSE; TROUBLESHOOTING; All troubleshooting items are listed in
19 107157 OWNER’S MANUAL For more information, visit www.desatech.com POSSIBLE CAUSE 1. Ignitor electrode not connected to igni- tor cable 2. Piezo ignitor nut is loose 3. Ignitor cable pinched or wet 4. Broken ignitor cable5. Bad piezo ignitor6. Ignitor electrode broken7. Ignitor electrode position...
Page 20 - OBSERVED PROBLEM; nance, page 18) or replace burner orifice
20 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during b...
Page 21 - IMPORTANT
21 107157 OWNER’S MANUAL For more information, visit www.desatech.com TROUBLESHOOTING Continued POSSIBLE CAUSE 1. Metal expanding while heating or con- tracting while cooling 1. Fireplace burning vapors from paint, hair spray, glues, cleaners, chemicals, newcarpet, etc. (See IMPORTANT state- ment ab...
Page 22 - ACCESSORIES; CABINET MANTEL; SERVICE HINTS; When Gas Pressure Is Too Low; PARTS UNDER WARRANTY; SPECIFICATIONS; CAUTION: Label all wires prior
22 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com ACCESSORIES Purchase these fireplace accessories fromyour local dealer. If they can not supplythese accessories, call DESA International’sSales Department at 1-800-432-2382 forinformation. You can also write to t...
Page 23 - SLIM HEARTH BASE; Included with accessory mantels; CORNER MANTEL
23 107157 OWNER’S MANUAL For more information, visit www.desatech.com EQUIPMENT SHUTOFFVALVE - GA5010 For all models. Equipment shutoff valve with1/8" NPT tap. Fits 1/2" NPT pipe. SLIM HEARTH BASE (Not Shown) G3005J Series - Jade MarbleLaminateG3005S Series - SandstoneMarble LaminateG3005B S...
Page 24 - LOG BASE ASSEMBLY
24 107157 UNVENTED NATURAL GAS FIREPLACE ® For more information, visit www.desatech.com 26 7 8 7 7 18 6 12 11 7 5 9 17 22 15 10 25 13 5 5 5 5 20 14 18 31 28 23 29 19 27 30 24 16 21 32 1 2 3 4 ILLUSTRATEDPARTSBREAKDOWN LOG BASE ASSEMBLY VARIABLE MANUALLY-CONTROLLED MODEL VSGF28NVA
Page 25 - PARTS LIST; PART NUMBER
25 107157 OWNER’S MANUAL For more information, visit www.desatech.com PARTS LIST LOG BASE ASSEMBLY VARIABLE MANUALLY-CONTROLLED MODEL VSGF28NVA This list contains replaceable parts used in your fireplace. When ordering parts, follow theinstructions listed under Replacement Parts on page 22 of this m...
Page 32 - INTERNATIONAL; KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; NOT A UPC
LIMITED WARRANTY VENT-FREE NATURAL GAS FIREPLACE DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years onstainless steel burners from the date of first purchase, provided that the product has been properly installed, operat...