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®
UNVENTED (VENT-FREE)
NATURAL GAS FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
Variable Manually-
Controlled Model
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VSGF28NVA
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Thermostatically-
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Controlled Model ¢¢¢¢¢¢QQQQQQ
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VSGF28NTC
Shown with optional
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with
cabinet mantel,
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Split Oak Logs
hearth base, and trim
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accessories.
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® UNVENTED NATURAL GAS FIREPLACE 4. Do not use this fireplace as a wood- SAFETY Due to high temperatures, the burning fireplace. Use only the logs appliance should be located out INFORMATION provided with the fireplace. of traffic and away from furniture 5. Do not add extra logs or ornaments and draperies. WARNINGS such as pine cones, vermiculite, or rock wool. Using these added items can IMPORTANT: Read this owner’s Do not place clothing or other cause sooting. Do not add lava rock manual care
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OWNER’S MANUAL PRODUCT LOCAL CODES Install and use fireplace with care. Follow all IDENTIFICATION local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Crossover Log Code ANS Z223.1, also known as NFPA 54*. Rear Log Middle Log *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. Batterymarch Park Quincy, MA 02269 Rear Burner UNPACKING Front Burner WARNING: Do not remove Fr
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® UNVENTED NATURAL GAS FIREPLACE Unusually tight construction is de- PRODUCT AIR FOR fined as construction where: FEATURES COMBUSTION AND a. walls and ceilings exposed to the outside atmosphere have a con- OPERATION VENTILATION tinuous water vapor retarder with This vent-free fireplace is clean burning. It -11 a rating of one perm (6 x 10 kg requires no outside venting. There is no heat WARNING: This heater shall 2 per pa-sec-m ) or less with open- loss out a vent or up a chimney. Heat is not b
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION 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: Includes the room in which you will install fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _______________
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® UNVENTED NATURAL GAS FIREPLACE AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills Into Adjoining Room, Into Adjoining Or VENTILATION AIR Option 2 Room, Remove Option 1 Door into Ventilation Air From Inside Adjoining Building Room, ¢¢¢¢QQQQ This fresh air would come from an adjoining Option 3 unconfined space. When ventilating to an ¢¢¢¢QQQQ adjoining unconfined space, you must pro- vide two permanent openings: one within 12" 12" of the ceiling and
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OWNER’S MANUAL ELECTRICAL HOOKUP INSTALLATION CAUTION: This fireplace cre- (Model VSGF28NTC or ates warm air currents. These cur- VSGF28NVA with GA3700(T) WARNING: A qualified ser- rents move heat to wall surfaces Series Blower) vice person must install fireplace. next to fireplace. Installing fire- Follow all local codes. place next to vinyl or cloth wall This fireplace has a blower assembly with coverings or operating fireplace an electrical cord. The electrical cord is five where impuriti
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® UNVENTED NATURAL GAS FIREPLACE CONVENTIONAL FIREPLACE INSTALLATION Trim Hanging INSTALLATION Continued Screws Conventional installation of this fireplace ASSEMBLING AND involves installing fireplace along with the ATTACHING OPTIONAL corner or cabinet mantel with hearth base accessories against a wall in your home (see BRASS TRIM Accessories, page 22 and 23). Follow the (Included with Mantel instructions below to install the fireplace in Accessory) this manner. IMPORTANT: If you are recessing t
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OWNER’S MANUAL 10. Carefully insert fireplace into cabinet BUILT-IN FIREPLACE INSTALLATION mantel (Figure 12). Be careful not to INSTALLATION Continued scratch or damage hearth base, cabinet Built-in installation of this fireplace involves mantel, or any laminate trim on hearth 4. Place hearth base accessory against installing fireplace into a framed-in enclo- base. Remove protective material from wall at installation location. Cut an ac- sure. This makes the front of fireplace flush top of hear
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® UNVENTED NATURAL GAS FIREPLACE Mantel Clearances for Built-In INSTALLING GAS PIPING TO INSTALLATION Installation FIREPLACE LOCATION Continued If placing mantel above built-in fireplace, 4. Carefully set fireplace in front of rough you must meet minimum clearance between WARNING: This appliance re- opening with back of fireplace inside mantel shelf and top of fireplace opening. quires a 1/2" NPT (National Pipe wall opening. Thread) inlet connection to the If your installation does not meet the
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OWNER’S MANUAL We recommend that you install a sediment 4. Attach flexible gas line to gas supply INSTALLATION trap in supply line as shown in Figure 17. (see Figure 19). Check connection of Continued Locate sediment trap where it is within flexible gas line attached to gas regu- Installation must include an equipment reach for cleaning. Install in piping system lator of fireplace (see Figure 19). shutoff valve, and a plugged 1/8" NPT tap. between fuel supply and fireplace. Locate 5. Check all g
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® UNVENTED NATURAL GAS FIREPLACE Test Pressures Equal To or Less Than Pressure Testing Fireplace Gas INSTALLATION 1/2 PSIG (3.5 kPa) Connections Continued 1. Close equipment shutoff valve (see Fig- 1. Open equipment shutoff valve (see Fig- ure 20). CHECKING GAS ure 20). 2. Pressurize supply piping system by either CONNECTIONS 2. Open main gas valve located on or near using compressed air or opening main gas gas meter. valve located on or near gas meter. WARNING: Test all gas pip- 3. Make sure c
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OWNER’S MANUAL INSTALLATION Crossover Front Log (#1) Log (#4) Continued Notch Cutout Hole INSTALLING LOGS Peg WARNING: Failure to position the parts in accordance with these diagrams or failure to use only Grate parts specifically approved with Prongs this heater may result in property damage or personal injury. Metal Grate Bar CAUTION: Do not remove the Figure 22 - Installing Front Log (#1) metal data plates attached to the heater base assembly. The data Middle Log (#2) plates contain importa
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® UNVENTED NATURAL GAS FIREPLACE 6. Continue pressing control knob in. LIGHTING OPERATING Press and release ignitor button. This INSTRUCTIONS will light pilot. The pilot is attached FIREPLACE to the front burner. If needed, keep WARNING: You must operate pressing ignitor button until pilot Thermostat-Controlled Models this fireplace with the fireplace lights. screen in place. Make sure fire- FOR YOUR SAFETY Note: If pilot does not stay lit, con- place screen is installed before READ BEFORE tact
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OWNER’S MANUAL Manually-Controlled Models LIGHTING OPERATING INSTRUCTIONS FIREPLACE FOR YOUR SAFETY Continued READ BEFORE WARNING: You must operate LIGHTING this fireplace with the fireplace TO TURN OFF GAS screen in place. Make sure fire- TO APPLIANCE WARNING: If you do not fol- place screen is installed before low these instructions exactly, a running fireplace. Shutting Off Fireplace fire or explosion may result caus- ing property damage, personal Turn control knob clockwise Clockwise to NO
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® UNVENTED NATURAL GAS FIREPLACE VARIABLE CONTROL MANUAL LIGHTING OPERATING OPERATION PROCEDURE FIREPLACE The variable control valve can be set to any 1. Follow steps 1 through 5 under Light- Continued heat setting and flame height desired, by ing Instructions, page 15. simply turning the control knob until that 7. Keep control knob pressed in for 30 2. Depress control knob and light pilot setting is attained. Even the lowest setting seconds after lighting pilot. After 30 with match. seconds, re
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OWNER’S MANUAL Blower Kit Model GA3700T OPERATING INSPECTING Series FIREPLACE BURNERS Locate the blower switch by opening the Continued Check pilot flame pattern and burner flame lower louver on fireplace. Blower switch patterns often. is located at lower left inside louver door. BLOWER OPERATION The GA3700TA thermostat-controlled PILOT FLAME PATTERN blower has a variable speed control with MODEL VSGF28NTC Figure 31 shows a correct pilot flame pat- an ON/OFF switch. The blower will start tern. F
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® UNVENTED NATURAL GAS FIREPLACE 5. Blow air into the primary air holes on INSPECTING CLEANING AND the injector holder. BURNERS MAINTENANCE 6. In case any large clumps of dust have Continued now been pushed into the burner repeat WARNING: Turn off fireplace steps 3 and 4. and let cool before cleaning. FRONT BURNER FLAME Clean the pilot assembly also. A yellow tip PATTERN on the pilot flame indicates dust and dirt in the pilot assembly. There is a small pilot air CAUTION: You must keep Figure 3
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off fireplace CAUTION: Never use a wire, and let cool before servicing. Only needle, or similar object to clean Note: For additional help, visit DESA a qualified service person should ODS/pilot. This can damage ODS/ International’s technical service web site service and repair fireplace. pilot unit. at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pre
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® UNVENTED NATURAL GAS FIREPLACE TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or both burners do not light after ODS/ 1. Burner orifice(s) clogged 1. Clean burner(s) (see Cleaning and Main- pilot is lit tenance, page 18) or replace burner orifice(s) 2. Burner orifice(s) diameter is too small 2. Replace burner orifice(s) 3. Inlet gas pressure is too low 3. Contact local natural gas company 4. Mislocated crossover tube 4. Contact qualified service person Delayed ignition of
