Desa UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE manual

Save this manual for future reference. ® Shown with optional cabinet mantel and hearth base accessories. OWNER’S OPERA TION AND INST ALLA TION MANUAL UNVENTED (VENT -FREE) NA TURAL GAS FIREPLA CE WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of[...]

2 101742 CONTENTS SECTION PAGE SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. W[...]

3 101742 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS Continued WARNING: Any change to this fireplace or its controls can be dangerous. 1. Use only natural gas. Do not convert fireplace to use different fuel type. 2. If you smell gas • shut off gas supply • do not try to light any appliance • do not touch any electrical switch; [...]

4 101742 PRODUCT IDENTIFICA TION Figure 1 - Log Base Assembly Figure 2 - Fireplace Louver Hood Bottom Louver Assembly Screen Assembly Top Outer Casing Firebox Support Side Access Door Rear Access Door Base Rear Burner Piezo Ignitor Right Front Branch (#5) Front Burner Front Log (#2) Left Front Branch (#4) Gas Valve Bracket Rear Log (#1) Crossover L[...]

5 101742 LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. Batterymarch[...]

6 101742 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This fireplace must have fresh air for proper operation. If not, poor fuel combustion could result. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Unconfined Space An unconfined space has a minimum air volume[...]

7 101742 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING 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 vent[...]

8 101742 AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air from Inside Building This fresh air would come from an adjoining unconfined space. 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 conn[...]

9 101742 INST ALLING NOTICE A qualified service person must install fireplace. Fol- low all local codes. WARNING ICON G 001 W ARNING Never install the fireplace • in a bedroom or bathroom • in a recreational vehicle • where curtains, furniture, clothing, or other flam- mable objects are less than 36 inches from the front, top, or sides of the[...]

10 101742 INST ALLING Continued ASSEMBLING AND ATTACHING BRASS TRIM Note: The instructions below show assembling and attaching brass trim to fireplace. You cannot attach the brass trim as described below for built-in installation (see page 13). 1. Remove packaging from three pieces of brass trim. 2. Locate four brass screws, two adjusting plates wi[...]

11 101742 INST ALLING Continued INSTALLATION CLEARANCES Note: Clearances are the same if using optional cabinet mantel or built-in installation. Carefully follow the instructions below. This will ensure safe installation. Minimum Wall and Ceiling Clearances (see Figure 7) A. Clearances from the side of the fireplace opening to any combustible wall [...]

12 101742 INST ALLING Continued 2. Install gas piping to fireplace location. This installation includes an approved flexible gas line (if allowed by local codes) after the manual shutoff valve. The flexible gas line must be the last item installed on the gas piping. See Installing Gas Piping to Fireplace Location, page 16. 3. Place hearth base acce[...]

13 101742 INST ALLING Continued Figure 11 - Rough Opening for Installing in Wall 35 1/2" 17 3/4" 33" 8. Carefully insert fireplace into cabinet mantel. Be careful not to scratch or damage hearth base, cabinet mantel, or any laminate trim on hearth base. Remove protective material from top of hearth base and from front of fireplace (i[...]

14 101742 INST ALLING Continued If installing in a corner, use dimensions shown in Figure 12 for the rough opening. The height is 33" which is the same as the wall opening on page 13. 39 3/8" 27 7/8" 55 5/8" 35 1/2" Figure 12 - Rough Opening for Installing in Corner 2. Install gas piping to fireplace location. This installa[...]

15 101742 INST ALLING Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. Distances to Underside of Mantel Underside of Mantel Shelf 20" 24 1 /2 " 27 1 /2 " 30" All minimum distances are in inches Top [...]

16 101742 INST ALLING Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION Installation Items Needed Before installing fireplace, make sure you have the items listed below. • piping (check local codes) • sealant (resistant to propane gas) • manual shutoff valve * • test gauge connection * • sediment trap • tee joint • pipe wrench •[...]

17 101742 INST ALLING Continued A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* 3" Minimum From Gas Meter (5" W.C. to 10.5" W.C. Pressure) Approved Flexible Gas Line Tee Joint Pipe Nipple Cap Sediment Trap Figure 16 - Gas Connection * Purchase the optional A.G.A. design-certified manual shutoff valve from your de[...]

18 101742 INST ALLING Continued 4. Route flexible gas line from manual shutoff valve into fireplace through side or rear access panel. Route flexible gas supply line through fireplace access door. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG 1. Disconnect fireplace and its individual manual shutoff valve from gas s[...]

19 101742 INST ALLING Continued Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 19). 2. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 3. Check all joints from gas meter to manual shutoff valve (see Figure 20). Apply mixture of liquid soa[...]

20 101742 INST ALLING Continued INSTALLING LOGS Figure 22 - Installing Front Log WARNING ICON G 001 W ARNING Do not add extra logs or ornaments such as pine cones, vermiculite, or rock wool. Using these added items can cause sooting. Do not add lava rock around base. Rock and debris could fall into the control area of fireplace. Each log is marked [...]

21 101742 INST ALLING Continued 3. Place crossover log (#3) into place (see Figure 23). Be sure to place back of crossover log into notch on left side of rear log. The indentation under front left fork of crossover log must rest on rectangular knob of front log. Crossover Log (#3) Figure 23 - Installing Crossover Log Continued Figure 24 - Installin[...]

22 101742 INST ALLING Continued 5. Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace (see Figure 25). Notches Screws for Mounting Screen Figure 25 - Installing Fireplace Screen WARNING ICON G 001 W ARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen i[...]

23 101742 LIGHTING INSTRUCTIONS WARNING ICON G 001 W ARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE During initial operation of new fireplace, burning logs will give off a paper-burning smell. Orange flame will also be present. Open window to vent s[...]

24 101742 OPERA TING FIREPLACE Continued 8. Turn control knob counterclockwise C-clockwise to desired heating level. The burners should light. Set control knob to any heat level between HI and LO. WARNING ICON G 001 CAUTION Do not try to adjust heating levels by using the manual shutoff valve. T O TURN OFF GAS T O APPLIANCE Shutting Off Fireplace T[...]

25 101742 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 28 shows a correct pilot flame pattern. Figure 29 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the fireplace [...]

26 101742 CLEANING AND MAINTENANCE WARNING ICON G 001 W ARNING Turn off fireplace and let cool before cleaning. POSSIBLE CAUSE 1. Ignitor electrode posi- tioned wrong 2. Ignitor electrode broken 3. Ignitor electrode not con- nected to ignitor cable 4. Ignitor cable pinched or wet 5. Piezo ignitor nut is loose 6. Broken ignitor cable 7. Bad piezo ig[...]

27 101742 TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3 . Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5. Clean ODS/pilot (see Cleaning and Mainte- nance , page 26) or replace ODS/pi[...]

28 101742 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 burner combustion Slight smoke or odor during initial opera- tion Fireplace produces a whistling noise when burners are lit REMEDY 1. Clean burner(s) (see [...]

29 101742 TROUBLE- SHOOTING Continued WARNING ICON G 001 W ARNING 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 phone. Follow the gas supplier’s instructions. • If you canno[...]

30 101742 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). SER VICE HINTS When gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • fireplace will not pr[...]

31 101742 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-432-2382 for information. You can also write to the address listed on the back page of this manual. CABINET MANTEL GMC11F - Walnut Finished GMC12U - Unfinished Shown with [...]

32 101742 ILLUSTRA TED P ARTS BREAKDOWN Log Base Assembly 18 6 1 2 3 4 5 27 8 9 8 8 19 13 12 7 7-1 7-2 10 16 11 26 14 6 6 6 6 22 25 23 19 24 13 7-2 21 17 20 15 29 28[...]

33 101742 P ARTS LIST Log Base Assembly This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY NO. PART NUMBER DESCRIPTION QTY. 1 101337-02 Rear Log (#1) 1 2 101336-02 Front Log (#2) 1 3 101335-01 Crossover Log (#3) 1 4 101332-01 Left Fr[...]

34 101742 ILLUSTRA TED P ARTS BREAKDOWN Fireplace 1 2 3 4 5 6 15 6 10 11 9 18 17 12 16 16 16 16 7 8 14 16 16 16 19 13 13 13[...]

35 101742 P ARTS LIST Fireplace This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY NO. PART NUMBER DESCRIPTION QTY. 1 101357-01 Top Outer Casing 1 2 101373-01 Outer Casing 1 3 101363-02CB Right Front Side 1 4 101361-02CB Left Front S[...]

LIMITED WARRANTY VENT-FREE NATURAL GAS FIREPLACE DESA International warrants this product to be free from defects in materials and components for one (1) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim under this warr[...]