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UNVeNTed (VeNT-Free) UNIVersAl FIreBoX
oWNer's oPerATIoN ANd INsTAllATIoN 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
• 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 cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
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Related Manuals for Desa V)UM36SR
Summary of Contents for Desa V)UM36SR
- Page 1 UNVeNTed (VeNT-Free) UNIVersAl FIreBoX oWNer’s oPerATIoN ANd INsTAllATIoN 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. —...
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Page 2: Table Of Contents
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. -
Page 3: Safety
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. -
Page 4: Local Codes
loCAl 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*. -
Page 5: Product Specifications
ProdUCT sPeCIFICATIoNs 36" MODELS (V)UM36 SERIES AND VCM-36U 29" 22" " " " (Ref.) " " " " 36" HEARTH " " 50" 30" " 7" " " " 36" " " " Figure 1 - 36" Models (V)UM36 Series and VCM-36U 122274-01F www.desatech.com... - Page 6 ProdUCT sPeCIFICATIoNs Continued 42" MODELS (V)UM42 SERIES AND VCM-42U " 25" " " " (Ref.) " " " " 42" HEARTH " " 50" 30" " " 7" " " 42" " " 13" Figure 2 - 42" Models (V)UM42 Series and VCM-42U www.desatech.com 122274-01F...
- Page 7 ProdUCT sPeCIFICATIoNs Continued 50" MODELS (V)UM50 SERIES AND VCM-50U " 33" " " " (Ref.) " " " " 50" HEARTH " " 50" 30" " " " 7" " 50" " " 13" Figure 3 - 50" Models (V)UM50 Series and VCM-50U 122274-01F www.desatech.com...
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Page 8: Air For Combustion And Ventilation
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 door combustion air is provided water vapor retarder with a rating of one perm (6 x 10... - Page 9 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.
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Page 10: Installation
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- nent openings: one within 12" of the ceiling Outlet and one within 12" of the floor. Connect these To Attic items directly to the outdoors or spaces open to the outdoors. -
Page 11: Installation Clearances
INsTAllATIoN Continued INSTALLATION cLEARANcES Mantel clearances for built-In Installation WARNING: Maintain the If placing custom mantel above built-in fire- 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. - Page 12 INsTAllATIoN Continued 3. Carefully set firebox in front of rough NOTIcE: 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.
- Page 13 INsTAllATIoN 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 FROM RETAILER OR cUSTOM bUILT of Firebox) Piping WARNING: A qualified ser- vice person must install firebox.
- Page 14 INsTAllATIoN Continued INSTALLING GAS LINE 2. Install right side as left side in step 1 using screws provided. WARNING: A qualified ser- 3. Install back panel and secure back to vice person must connect heater sides and bottom of firebox with screws provided.
- Page 15 INsTAllATIoN Continued hEARTh BRICK MATRIx IvORY FULL FULL FULL FULL F124 F124 (112140-01) (112140-05) ASH BRICK ASH BRICK FULL FULL FULL (120848-01) (120848-03) F012R F012W F126 FULL FULL F126 F124R F124W 120848 F125R F125W FULL FULL F125 F125 Ash Brick F126R F126W F128...
- Page 16 INsTAllATIoN Continued 36" FULL STACKED BRICK MATRIx F147 F147 F148 F148 F148 F148 LEFT REFRAcTORY IvORY FULL FULL F036 F158 F158 F036 FULL FULL (112140-01) (112140-05) FULL FULL FULL FULL F036R F036W F143R F143W F036 FULL F158 F158 FULL F036 F144R F144W F147R...
- Page 17 INsTAllATIoN Continued MATRIx 42" FULL STACKED BRICK LEFT REFRAcTORY F156 F155 F017 F156 F017 F155 IvORY FULL FULL FULL FULL F033 F033 FULL FULL (112140-01) (112140-05) F032 FULL FULL F032 F158 F158 F017R F017W F032R F032W FULL FULL FULL FULL F033 F033 F033R...
- Page 18 INsTAllATIoN Continued 50" FULL STACKED BRICK MATRIx LEFT REFRAcTORY F147 F147 IvORY F149 F148 F148 F148 F148 F149 FULL FULL FULL FULL F032 F158 F158 F032 (112140-01) (112140-05) F032R F032W FULL FULL FULL FULL F033 F033 F033R F033W F143R F143W F032 FULL FULL...
- Page 19 INsTAllATIoN Continued 36" FULL hERRINGBONE BRICK MATRIx F074 F074 LEFT REFRAcTORY IvORY FULL FULL (112140-01) (112140-05) F068R F068W F071R F071W F072R F072W F074R F074W F113R F113W F115R F115W F165R F165W F181R F181W F189R F189W S011R S011W F181 or F071 S011 F074 F074 REAR REFRAcTORY...
- Page 20 INsTAllATIoN Continued 42" FULL hERRINGBONE BRICK MATRIx LEFT REFRAcTORY F074 F074 IvORY F120 FULL FULL (112140-01) (112140-05) F064R F064W F120 F068R F068W F072R F072W F074R F074W F120 F120R F120W F163R F163W F120 F169R F169W F175R F175W F176R F176W F176 F177R F177W F175 or F182 F177...
- Page 21 INsTAllATIoN Continued 50" FULL hERRINGBONE BRICK MATRIx LEFT REFRAcTORY F074 F074 IvORY FULL FULL F120 (112140-01) (112140-05) F064R F064W F120 F068R F068W F072R F072W F074R F074W F120 F120R F120W F163R F163W F169R F169W F120 F175R F175W F176R F176W F176 F177R F177W F182R F182W...
- Page 22 INsTAllATIoN Continued 36" SPLIT STACKED BRICK MATRIx FULL S047 S046 FULL FULL S050 LEFT REFRAcTORY S047 FULL S046 IvORY FULL FULL FULL FULL S050 (112140-02) (112140-06) S047 FULL S046 S043R S043W FULL FULL S050 S044R S044W S047 FULL S046 S045R S045W S046R S046W...
- Page 23 INsTAllATIoN Continued 42" SPLIT STACKED BRICK MATRIx S050 S077 FULL FULL S076 FULL S046 LEFT REFRAcTORY S050 FULL FULL S077 IvORY FULL FULL FULL S076 S046 (112140-02) (112140-06) S050 S077 FULL FULL S045R S045W S046 S046R S046W FULL S076 S050R S050W S050 FULL...
- Page 24 INsTAllATIoN Continued 50" SPLIT STACKED BRICK MATRIx S076 S046 FULL S077 FULL FULL S050 LEFT REFRAcTORY S076 S046 FULL IvORY FULL FULL S050 S077 FULL FULL (112140-02) (112140-06) S076 S046 FULL S043R S043W S077 FULL FULL S050 S045R S045W S076 S046 FULL S046R...
- Page 25 INsTAllATIoN Continued 36" SPLIT hERRINGBONE BRICK MATRIx S003 LEFT REFRAcTORY IvORY FULL FULL (112140-02) (112140-06) S001R S001W S002R S002W S003R S003W S004R S004W S032R S032W S058R S058W S069R S069W S071R S071W S072R S072W S073R S073W S074R S074W S075R S075W S103R S103W F120R F120W...
- Page 26 INsTAllATIoN Continued 42" SPLIT hERRINGBONE BRICK MATRIx S003 S003 LEFT REFRAcTORY S087 IvORY FULL FULL S085 (112140-02) (112140-06) S001R S001W S085 S002R S002W S003R S003W S085 S004R S004W S054R S054W S085 S074R S074W S075R S075W S085 S085R S085W S087R S087W S085 S088R S088W...
- Page 27 INsTAllATIoN Continued 50" SPLIT hERRINGBONE BRICK MATRIx S003 S003 LEFT REFRAcTORY IvORY FULL FULL (112140-02) (112140-06) S001R S001W S002R S002W S003R S003W S004R S004W S007R S007W S067R S067W S093R S093W S097R S097W S098R S098W S099R S099W S105R S105W S106R S106W F120R F120W F130R...
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Page 28: Operating Fireplace
INsTAllATIoN Continued GROUTING INSTRUcTIONS 8. Using a joint striker, force grout mixture into joint and sweep back and forth Material provided: until grout is smooth and round. If grout 1 or 2 - 10 lb. bags of cement (depending becomes too shallow, add more grout on model) mixture with piping bag and strike again. -
Page 29: Technical Service
INsTAllATIoN Continued 3. Slide round end of screen rod into rings Screen at top of screen. Attach one push-on nut Fireplace Front to end of rod before attaching last ring of Bracket screen. Smoke Shelf 4. Insert round end of rod into rod bracket on left side of fireplace. -
Page 30: Parts
PArTs 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 17/18 17/18 www.desatech.com 122274-01F... - Page 31 PArTs This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. NO. PART NO. DEScRIpTION qTY. Face Assembly • • • Firebox Bottom Assembly • •...
- Page 32 PArTs MODELS (V)UM36(SR,SI,hR,hI), (V)UM42(SR,SI,hR,hI), (V)UM50(SR,SI,hR,hI), MK-36(SS,Sh)-(R)(I), MK-42(Sh,SS)-(R)(I), MK-50(Sh,SS)-(R)(I) This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. All parts are housing Panel Assemblies. For Brick part numbers see pages 15 thru 27. PART NO.
- Page 33 NoTes _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 122274-01F www.desatech.com...
- Page 34 NoTes _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 122274-01F...
- Page 35 NoTes _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 122274-01F www.desatech.com...
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Page 36: Warranty
WArrANTy KeeP THIs WArrANTy Model (located on product or identification tag) _____________________________ Serial No. (located on product or identification tag) __________________________ Date Purchased __________________________ Keep receipt for warranty verification. desA HeATINg, llC lIMITed WArrANTIes New products Standard Warranty: DESA Heating, LLC warrants this new product and any parts thereof to be free from defects in material and workmanship for a period of four (4) years from the date of first purchase from an authorized dealer provided the product has been installed, maintained and operated in accordance with DESA Heating, LLC’s warnings and instructions.