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UNVeNTed (VeNT-Free) UNIVersA FI l reBo X
oWNer’s oPerATIoN ANd INsTAA ll TIoN MANUAl
Models (V)UM36(sr,sI,Hr,HI), VCM-36U, (V)UM42(sr,sI,Hr,HI),
VCM-42U, (V)UM50(sr,sI,Hr,HI), VCM-50U
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 life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• D
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WARNING: Improper installation, adjustment, al- teration, service or maintenance can cause injury or property damage. Refer to this manual for correct in- stallation and operational procedures. For assistance or additional information consult a qualified installer, service agency or the gas supplier. WARNING: Carefully review the instructions sup- plied with the decorative type unvented room heater for the minimum fireplace size requirement. DO NOT INSTALL THE AppLIANcE IN THIS FIREbOx, U
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sAFeTy Continued You must operate this fireplace WARNING: Any change to with the provided fireplace this firebox or its controls can screen and hood in place. Make be dangerous. sure these parts are in place and screens are closed before WARNING: Do not allow fans running installed gas log heater. to blow directly into the firebox. Replace hood with DESA heat- Avoid any drafts that alter burner ing, LLC model 109511-01 50", flame patterns. Ceiling fans can 109511-02 42", or 109511
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l oCAl Codes Install and use firebox with care. Follow all State of Massachusetts: The installation local codes. In the absence of local codes, must be made by a licensed plumber use the latest edition of The National Fuel Gas or gas fitter in the Commonwealth of Code ANSI Z223.1/NFPA 54*. Firebox must Massachusetts. be electrically grounded in accordance with the National Electrical Code, ANSI/NFPA70 Sellers of unvented propane or natural (latest edition). gas-fired supplemental room
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ProdUCT sPeCIFICATIoNs 36" MODELS (V)UM36 SERIES AND VCM-36U 29" 22" 3 13 18 /8" 19 /16" 1 30 /2" (Ref.) 7 4 /8" 3 34 /4" 5 1 /16" 3 3 /4" 36" HEARTH 1 11 /8" 1 54 /2" 50" 30" 5 36 /16" 7" 7 9 /16" 7 7 /8" 5 3 /16" 3 36" 7 /8" 1 1 11 /8" 45 /8" Figure 1 - 36" Models (V)UM36 Series and VCM-36U 122274-01F www.desatech.com 5
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ProdUCT sPeCIFICATIoNs Continued 42" MODELS (V)UM42 SERIES AND VCM-42U 5 30 /16" 25" 1 22 /2" 13 23 /16" 3 32 /8" (Ref.) 7 4 / " 8 3 40 /4" 3 3 /4" 5 1 / " 16 42" HEARTH 1 11 /8" 1 54 / " 2 50" 30" 5 36 /16" 7 7 7" 9 /16" 7 /8" 5 3 /16" 42" 3 8 / " 4 1 51 /8" 13" Figure 2 - 42" Models (V)UM42 Series and VCM-42U 6 www.desatech.com 122274-01F
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ProdUCT sPeCIFICATIoNs Continued 50" MODELS (V)UM50 SERIES AND VCM-50U 5 38 /16" 33" 1 22 /2" 13 23 / " 16 3 32 /8" (Ref.) 7 4 /8" 3 40 /4" 3 3 /4" 5 1 /16" 50" HEARTH 1 11 /8" 1 54 /2" 50" 30" 5 36 /16" 7 7 9 / " 7 /8" 7" 16 5 3 /16" 50" 3 8 /4" 1 59 /8" 13" Figure 3 - 50" Models (V)UM50 Series and VCM-50U 122274-01F www.desatech.com 7
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AIr For CoMBUsTIoN ANd VeNTIlATIoN Unusually tight construction is defined as WARNING: This heater shall construction where: not be installed in a room or space a. walls and ceilings exposed to the out- unless the required volume of in- side atmosphere have a continuous water vapor retarder with a rating of door combustion air is provided -11 2 one perm (6 x 10 kg per pa-sec-m ) or by the method described in the less with openings gasketed or sealed National Fuel Gas Code, ANSI and Z2
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AIr For CoMBUsTIoN ANd VeNTIlATIoN Continued 1. Determine the volume of the space (length If the actual Btu/Hr used is less than the x width x height). maximum Btu/Hr the space can support, the Length x Width x Height =__________cu. ft. space is an unconfined space. You will need (volume of space) no additional fresh air ventilation. Example: Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling height) = 3,168 cu. ft. WARNING: If the area in which (volume of space) the heater m
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AIr For CoMBUsTIoN ANd VeNTIlATIoN Continued ventilation Air From Outdoors Provide extra fresh air by using ventilation Ventilated Outlet Attic grills or ducts. You must provide two perma- Air nent openings: one within 12" of the ceiling Outlet and one within 12" of the floor. Connect these Air T o Attic items directly to the outdoors or spaces open to the outdoors. These spaces include attics T o and crawl spaces. Follow the National Fuel Crawl Space Gas Code, ANSI Z223.1/NFPA 54, Air f
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INsTAllATIoN Continued Mantel clearances for built-In INSTALLATION cLEARANcES Installation If placing custom mantel above built-in fire- WARNING: Maintain the box, you must meet the minimum allowable minimum clearances. If you clearance between mantel shelf and top of can, provide greater clearances firebox opening shown in Figure 7. These are from floor, ceiling, and adjoin- the minimum allowable mantel clearances ing wall. for a safe installation. Use larger clearances wherever possi
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INsTAA ll TIoN Continued 3. Carefully set firebox in front of rough NOTIc E: If your installation does opening with back of firebox inside wall not meet the minimum clear- opening. ances shown, you must do one 4. Carefully insert firebox into rough opening. of the following: 5. Attach firebox to wall studs using nails • raise the mantel to an accept- or wood screws through holes in nailing flange (see Figure 10). able height 6. Install and properly test gas log heater. • remove the mantel
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INsTAA ll TIoN Continued WARNING: Use only non- combustible mortar or adhe- Cabinet sives when overlapping the front Mantel facing with noncombustible facing material. Gas Line INSTALLING FIREbOx USING Access Hole OpTIONAL MANTELS AvAILAbLE (Either Side Gas FROM RETAILER OR cUSTOM bUILT of Firebox) Piping WARNING: A qualified ser- vice person must install firebox. Figure 11 - Installing Cabinet Mantel Follow all local codes. (Mantel May Vary From Illustration) This firebox may be
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INsTAA ll TIoN Continued 2. Install right side as left side in step 1 using INSTALLING GAS LINE screws provided. WARNING: A qualified ser- 3. Install back panel and secure back to sides and bottom of firebox with screws vice person must connect heater provided. to gas supply. Follow all local 4. Using self-tapping screws and a drill, place codes. screws into large holes in back and side panels (see Parts, page 32), through wire IMPORTANT: See Connecting to Gas Supply mesh and into fi
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INsTAA ll TIoN Continued hEARTh BRICK MATRIx RED IvORY QTY FULL FULL 11* F124 FULL FULL F124 (112140-01) (112140-05) ASH BRICK ASH BRICK 1 FULL FULL FULL (120848-01) (120848-03) F012R F012W 2 F126 FULL FULL F126 F124R F124W 2 120848 FULL FULL F125R F125W 2 F125 Ash Brick F125 F126R F126W 2 F128 F012 F012 F128 F128R F128W 2 36" Hearth * Includes 2 extra bricks. RED IvORY QTY FULL FULL 13* F133 F011 F133 (112140-01) (112140-05) ASH BRICK ASH BRICK 1 F123 FULL FULL F123 (120848-01) (120848-03) F011
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INsTAllATIoN Continued 36" FULL STACKED BRICK MATRIx F147 F147 F148 F148 F148 F148 LEFT REFRAcTORY RED IvORY QTY FULL FULL F036 F158 F158 F036 FULL FULL 7 (112140-01) (112140-05) FULL FULL FULL FULL F036R F036W 3 F143R F143W 2 F158 F158 F036 FULL FULL F036 F144R F144W 1 F147R F147W 1 FULL FULL FULL FULL F148R F148W 2 F158R F158W 3 F036 FULL F158 F158 FULL F036 F185R F185W 1 F185 or F185 or F191R F191W 1 F192 F192 F191 F191 F192R F192W 1 F150 F148 F150 REAR REFRAcTORY FULL FULL RED IvORY QTY FULL
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INsTAA ll TIoN Continued 42" FULL STACKED BRICK MATRIx LEFT REFRAcTORY F155 F017 F156 F156 F017 F155 RED IvORY QTY F033 FULL FULL FULL FULL F033 FULL FULL 8 (112140-01) (112140-05) F032 FULL F158 F158 FULL F032 F017R F017W 1 F032R F032W 3 FULL FULL FULL FULL F033 F033 F033R F033W 3 F143R F143W 3 F032 FULL FULL F032 F158 F158 F151R F151W 1 F155R F155W 1 F033 FULL FULL FULL FULL F033 F156R F156W 1 F190 or F186 F190 or F186 F158R F158W 2 F151 F151 F032 F032 F186R F186W 1 F190R F190W 1 F157 F017 F01
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INsTAllATIoN Continued 50" FULL STACKED BRICK MATRIx LEFT REFRAcTORY F147 F147 RED IvORY QTY F149 F148 F148 F148 F148 F149 FULL FULL 7 FULL FULL F032 F158 F158 F032 (112140-01) (112140-05) F032R F032W 3 FULL FULL FULL FULL F033 F033 F033R F033W 3 F143R F143W 2 FULL FULL F032 F158 F158 F032 F144R F144W 1 F145R F145W 1 FULL FULL FULL FULL F033 F033 F146R F146W 1 F147R F147W 1 F032 FULL FULL F032 F158 F158 F148R F148W 2 F149R F149W 1 F145 or F145 or F146 or F146 or F033 F033 F191 F191 F192 F192 F15
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F115 F113 F068 F113 F072 FULL FULL F072 F113 FULL FULL F189 F072 FULL FULL F072 F165 F108 F072 F072 F107 FULL F068 F107 FULL F084 FULL F107 FULL F168 F084 FULL F161 F120 F084 FULL F072 F120 F168 F068 F179 F068 F120 F068 F112 FULL F120 F110 F068 FULL F188 F110 FULL F110 F180 INsTAllATIoN Continued 36" FULL hERRINGBONE BRICK MATRIx F074 F074 LEFT REFRAcTORY RED IvORY QTY FULL FULL 6 (112140-01) (112140-05) F068R F068W 1 F071R F071W 1 F072R F072W 5 F074R F074W 2 F113R F113W 3 F115R F115W 1 F165R F1
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F064 F072 FULL F064 F068 F072 FULL F064 FULL F068 FULL F064 FULL F068 F163 FULL F068 F072 F072 F169 FULL F072 F068 FULL F072 F072 FULL F089 FULL FULL F072 FULL F063 FULL F161 FULL F168 F063 FULL F072 F071 F063 F161 FULL F071 F178 F068 F072 FULL F071 FULL F101 FULL FULL F071 FULL F100 FULL F165 FULL F100 FULL F100 F164 F174 INsTAllATIoN Continued 42" FULL hERRINGBONE BRICK MATRIx F074 F074 LEFT REFRAcTORY RED IvORY QTY F120 FULL FULL 6 (112140-01) (112140-05) F064R F064W 4 F120 F068R F068W 4 F072
