Desa VCM-42U User's Manual
Contents
1. INSTALLATION Continued 50 SPLIT STACKED BRICK MATRIX LEFT REFRACTORY RED IVORY QTY FULL FULL 112140 02 112140 06 S043R S043W S045R S045W S046R S046W S050R S050W S076R S076W S077R S077W S095R S095W S096R S096W o 0 REAR REFRACTORY RED IVORY QTY FULL FULL 28 112140 02 112140 06 S048R S048W 2 S049R S049W 0 S051R S051W 2 S052R S052W 2 RIGHT REFRACTORY RED IVORY QTY FULL FULL 16 112140 02 112140 06 S045R S045W 1 S046R S046W 6 S050R S050W 5 S054R S054W 1 S076R S076W 6 S077R S077W 6 S095R S095W 1 S096R S096W 1 122274 01F S046 S050 S046 S050 S046 S050 S046 S050 S046 S050 S046 S043 FULL S048 S049 FULL S048 S049 FULL S048 S049 FULL S048 S049 FULL S048 S049 FULL S048 S052 S076 S077 S077 5076 5077 5077 5077 5076 www desatech com FULL FULL FULL FULL FULL 5051 FULL FULL FULL FULL FULL S045orS096 S077 S076 FULL S077 FULL S076 FULL S077 FULL S076 FULL S077 FULL S076 FULL S077 FULL S076 FULL S077 FULL S076 FULL S077 S045 or S096 ULL ULL ULL ULL ULL ULL LL LL LL LL LL LL F F F F F F FUI FU FU FUI FUI2. INSTALLATION Continued 2 Install right side as left side in step 1 using screws provided 3 Install back panel and secure back to sides and bottom of firebox with screws provided Using self tapping screws and a drill place Screws into large holes in back and side panels see Parts page 32 through wire mesh and into firebox wrapper to secure Hole in Side Panel Figure 14 Hole in Side Panel to Attach to Firebox Wrapper BRICK INSTALLATION Each brick housing is stamped with a number full size bricks are not stamped These num bers will help identify the brick when installing It is important to install these bricks exactly as instructed Press brick firmly into brick housing until it snaps Groove line on side of brick will come in contact with flange on the brick hous ing This secures brick into housing see Figure 15 Smaller bricks may require a small portion of furnace cement applied to back of brick to secure it until grouting has been completed Bricks are packaged in separate boxes The brick matrixes on pages 15 through 27 show how bricks are packaged and placed for each size fireplace and the number of bricks per box There are 2 extra full bricks included in Hearth Brick package Install bricks one section at a time starting with hearth panel followed by the rear panel left panel and right panel It is important to install the bricks in
3. INSTALLATION Continued 3 Carefully set firebox in front of rough opening with back of firebox inside wall opening 4 Carefully insert firebox into rough opening 5 Attach firebox to wall studs using nails or wood screws through holes in nailing flange see Figure 10 6 Install and properly test gas log heater Follow installation instructions included with the vent free gas log heater that is being installed IMPORTANT When finishing your firebox combustible materials such as wall board gypsum board sheet rock drywall plywood etc may be butted up nextto the sides and top of the firebox Combustible materials should never overlap the firebox front facing A WARNING Do not allow any combustible materials to overlap the firebox front facing IMPORTANT Noncombustible materials such as brick tile etc may overlap the front fac ing but should never cover any necessary openings AA WARNING Do not allovv non combustible materials to cover any necessary openings Nails or VVood Screws Flanges Figure 10 Attaching Firebox to Wall Studs 122274 01F NOTICE Ifyour installation does not meet the minimum clear ances shown you must do one of the following raise the mantel to an accept able height remove the mantel BUILT IN FIREBOX INSTALLATION Built in installation of this firebox involves installing firebox into a framed in enclosure This ma
4. 122356 03 50 Full Herringbone Rear i PART NO DESCRIPTION 120842 01 36 Split Stack Left AEDEM 120842 02 42 Split Stack Left Po P ojet d 120842 03 50 Split Stack Left EEE 120845 01 36 Split Herringbone Left 120845 02 42 Split Herringbone Left 120845 03 50 Split Herringbone Left 120843 01 36 Split Stack Right PE CS DE El El 120843 02 42 Split Stack Right Pod fei Po 120843 03 50 Split Stack Right NEGET Ll US 120846 01 36 Split Herringbone Right NE 120846 02 42 Split Herringbone Right 120846 03 50 Split Herringbone Right 120844 01 36 Split Stack Rear ETT 120844 02 42 Split Stack Rear 120844 03 50 Split Stack Rear EERE 120847 01 36 Split Herringbone Rear 120847 02 42 Split Herringbone Rear 120847 03 50 Split Herringbone Rear dej 32 www desatech com 122274 01F 33 NOTES www desatech com 122274 01F 122274 01F NOTES www desatech com 34 35 NOTES www desatech com 122274 01F WARRANTY KEEP THIS WARRANTY Model located on product or identification tag Serial No located
5. 112140 01 112140 05 F032 FULL F158 F017R F017W 1 6 601 3 Fo33 FULL FULL i 8 F033W 3 7 Sus F143R F143W 3 08 8 F151W 1 F155R F155W 1 F033 FULL FULL i F156R F156W 1 Ea F190 or 6 F151 F158R F158W 2 f F186R F186W 1 F190R F190W 1 F157 F017 F017 F157 Fosa m Rose REAR REFRACTORY RED IVORY QTY F033 FULL FULL F033 FULL FULL 7 112140 01 112140 05 F032 FULL F032 F017R F017W 2 6 601 6 F033 FULL FULL F033 F033R FO33W 4 F152R F152W 2 F032 FULL F032 F154R F154W 2 F157R F157W 2 F154 F152 F152 F154 F156 FO17 F155 RIGHT REFRACTORY Z FULL FULL F033 RED u FULL FULL 8 112140 01 112140 05 F158 FULL F032 F017R F017W 1 AM En m 6 601 3 i F033R F033W 3 EN EXE m F143R F143W 3 F151R F151W 1 3 FULL FULL F033 F155R Fdo 1 i F156R F156W 1 F151 F190 or F186 m F158R F158W 2 N F186R 1 F190R F190W 1 122274 01F www desatech com INSTALLATION Continued 50 FULL STACKED BRICK MATRIX LEFT REFRACTORY F147 F148 F148 RED IVORY QTY FULL FULL 7 mE F158 112140 01 112140 05 gt F032R F032W 3 dias FUL F033R F033W 3 F143R F143W 2 0 F158 F144R F144W 1 gt F145R F145W 1 mE FULL F146R F146W 1 F147R 1 47 1 PE 08 F148R F148W 2 F146 or F145 or Qi F149R F149W 1
6. REAR REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 F068R F068W 6 F072W 86 7 F107R F107W F108R F108W F117R F117W F161R F161W F168R F168W F179R F179W F187R F187W RIGHT REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 F068R F068W FO71R FO71W 6 0 86 F074W F110R F110W F112R F112W F120R F120W F122R F122W F180R F180W F181R F181W F188R F188W F074 F074 F074 F074 F074 F187 F074 www desatech com F181 or F071 F074 NN 4 F074 gt e gt N e F181 or F071 S011 F117 F122 F122 F122 F122 122274 01F QTY 6 ua a a a a ANNA A QTY ak coe UNA ENS OY QTY ak gs lxx AR NDS GES 122274 01F INSTALLATION Continued 42 FULL HERRINGBONE BRICK MATRIX LEFT REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 F064R F064W F068R F068W 6 FO72W F074R F074W F120R F120W F163R F163W F169R F169W F175R F175W F176R F176W F177R F177W F182R F182W REAR REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 0 F068R F068W F072R F072W FO74R F074W 0 8 8 01 F171R F171W F178R F178W RIGHT REFRACTORY IVORY FULL 112140 05 F071W F068W F072W F074W F100W F101W F162W F164W F165W F174W RED FULL 112140 01 FO71R F068
7. The overall length of piping bag should be about 16 If the bag is longer than 16 cut it down to size by removing end with larger opening This will make the bag easier to handle Put 2 to 3 cups of grout mixture into piping bag making sure the smaller opening is downward and over a moist towel to avoid spilling Place a wet towel over the bucket making sure it is directly on the surface of grout mixture This will keep the mixture moist and it will not dry out before use Begin grouting by first doing a Filler Pass This is done by filling the joint about 3 4 full with grout mixture It is important to work with only 6 bricks at a time so grout doesn t have time to set up before striking Complete a Finishing Pass around 6 bricks you just put filler pass around This is done by slowly filling in remainder of the joint with a thick amount of grout mixture Mixture should be a little higher than the brick surface Using a trowel remove excess grout mix ture by moving trowel in the direction of the joint Grout mixture in the joint should now be flush with brick surface www desatech com 1 1 1 di 28 INSTALLATION Continued Screen Rod Bracket Fireplace Front Aa groe Shelf b R Screen Screen Figure 18 Installing Fireplace Screen 3 Slide round end of screen rod into rings at top of screen Attach one push on nut to end of rod before attaching last ring of screen 4 Ins
8. F192 A F191 Ji F158R F158W 3 F191R F191W 1 F192R F191W 1 F148 F145 F150 Eur E REAR REFRACTORY L RED IVORY QTY a Si EN 112140 01 112140 05 i 8 8 1 48 2 E F150R 50 2 FULL EH m F152R F152W 2 F153R 1 53 2 FULL ru 2 F159R F159W 6 F160R F160W 4 F152 F152 F153 RIGHT REFRACTORY F148 F148 F149 RED IVORY QTY FULL FULL 7 02 112140 01 112140 05 F032R F032W 3 Re ee pi F033R FO33W 3 F143R F143W 2 ad gt F144R F144W 1 Sank mo le F145R 1 45 1 F146R F146W 1 Em F147R 1 47 1 F148R 1 4 2 F145 r 146 or F149R 49 1 E rue F158R F158W 3 F191R F191W 1 F192R F192W 1 122274 01F www desatech com F032 F032 F032 FULL FULL FULL F149 F033 F033 F033 F150 F160 F160 F153 F143 F143 F144 F159 F159 F159 QTY 6 1 1 5 2 3 1 1 1 1 1 a a Na m m woe QTY W d amp dw x 09 MO cx INSTALLATION Continued 36 FULL HERRINGBONE BRICK MATRIX F074 LEFT REFRACTORY IVORY FULL 112140 05 F068W F071W F072W F074W F113W F115W F165W F181W F189W S011W RED FULL 112140 01 F068R F072R 4 F113R F115R F165R F181R F189R S011R
9. FUI FULL FULL FULL FULL FULL S051 FULL FULL FULL FULL FULL 5095 FULL FULL FULL FULL FULL FULL S049 S049 S049 S049 S049 S052 S048 S048 S048 S048 S048 S048 24 INSTALLATION Continued 36 SPLIT HERRINGBONE BRICK MATRIX S003 LEFT REFRACTORY RED IVORY QTY FULL FULL 12 112140 02 112140 06 S001R S001W 1 S002R S002W 1 S003R S003W 1 S004R S004W 1 S032R S032W 1 S058R S058W 7 S069R S069W 7 S071R S071W 1 S072R S072W 1 S073R S073W 1 S074R S074W 1 S075R S075W 1 S103R S103W 1 F120R F120W 1 F194R F194W 1 REAR REFRACTORY RED IVORY QTY FULL FULL 12 112140 02 112140 06 S001R S001W 2 S002R S002W 1 S003R S003W 2 S004R S004W 1 S014R S014W 12 S015R S015W 1 S059R S059W 1 S061R S061W 1 S062R S062W 1 S090R S090W 1 S091R S091W 1 F071R F071W 1 F120R F120W 1 F129R F129W 1 RIGHT REFRACTORY RED IVORY QTY FULL FULL 112140 02 112140 06 12 S001R S001W S002R S002W S003R S003W S004R S004W S055R S055W S056R S056W S057R S057W S058R
10. Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu Hr Vent free fireplace 39 000 Btu Hr Total 79 000 Btu Hr Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 63 360 Btu Hr maximum the space can support 79 000 Btu Hr actual amount of Btu Hr used The space in the example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building Vent room directly to the outdoors See Ventilation Air From Outdoors page 10 Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined A 122274 01F AIR FOR COMBUSTION AND VENTILATION Continued 2S Ventilated Atti Outlet tlic Air Outlet Air To Attic To Crawl Space Inlet Air Ventilated inlet Alt Crawl Space Figure 5 Ventilation Air from Outdoors Ventilation Air From Outdoors Provide extra fresh
11. INSTALLATION Continued 50 SPLIT HERRINGBONE BRICK MATRIX S009 LEFT REFRACTORY RED IVORY QTY FULL FULL 112140 02 112140 06 18 S001R S001W 2 S002R S002W 1 S003R S003W 2 S004R S004W 2 S007R S007W 8 S067R S067W 1 S093R S093W 1 S097R S097W 6 S098R S098W 1 S099R S099W 1 S S105R S105W 1 P n A S106R S106W 1 Q e F120R F120W 1 F130R F130W 1 F137R F137W 1 S093 or S099 F120 S003 REAR REFRACTORY RED IVORY QTY FULL FULL 112140 02 112140 06 24 S001R S001W 2 S002R S002W 2 S003R S003W 2 S004R S004W 2 S006R S006W 13 S008R S008W 1 S012R S012W 1 S059R S059W 2 S060R S060W 2 S062R S062W 2 S100R S100W 1 F129R F129W 3 F136R F136W 1 RIGHT REFRACTORY RED IVORY QTY F195 FULL FULL 112140 02 112140 06 8 S007 S001R S001W 1 S002R S002W 2 S007 S003R S003W 2 S S004R S004W 1 S007R S007W 7 m S067R S067W 2 S075R S075W 1 S088R S088W 1 007 8068 S093W 1 S101R S101W 7 d 51028 51020 1 S097 S107R S107W 1 40 S108R S108W 1 2 F054R F054W 1 F139R F139W 1 S088 or F054 F139 F195R F195W 1 27 www desatech com F130 5003 102 122274 01F INSTALLATION Continued 8 Using a joint striker force grout mixture into joint and sweep back and forth until grout is smooth and round If grout becomes too shallow add more grout mixture with piping bag and
12. clearances wherever possible to minimize the heating of objects and materials placed on the mantel A CAUTION Do not allow the vent free gas log heatertotouch or extend beyond the fireplace screen NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and mantels above the firebox may become hot to the touch If installed properly these temperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manual Wall board or facing material above firebox may be of combustible material including decorative mantel ornaments or other similar projec tions off of the facing material Mantel Shelf Note Any portion of the mantel shelf must NOT extend beyond this profile 12 6 3 4 piu Framing Material Noncombustible Material May INSTALLATION CLEARANCES d WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoin ing wall Carefully follow the instructions below This will ensure safe installation Minimum Wall and Ceiling Clearances see Figure 6 A Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 6 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 1 from the wall This com bustible materi
13. codes and instructions furnished with this product This warranty covers the cost of part s required to restore this product to proper operating condition and an allowance for labor when provided by a DESA Heating LLC Authorized Service Center or a provider approved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded from this warranty are products or parts that fail or become damaged due to misuse accidents improper installation lack of proper maintenance tampering or alteration s This is DESA Heating LLC s exclusive warranty and to the full extent allowed by law this express warranty excludes any and all other warranties express or implied written or verbal and limits the duration of any and all implied warranties including warranties of merchantability and fitness for a particular purpose to four 4 years on new products and 30 days on factory reconditioned products from the date of first purchase DESA Heating LLC makes no other warranties regarding this product DESA Heating LLC s liability
14. gas purchase date 122274 01F 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 11 30 www desatech com 122274 01F 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 8383 Sissi 2 SS SINS KEY 313 5 NO PARTNO DESCRIPTION S QTY E Face Assembly 2 Firebox Bottom Assembly SME FE Firebox Bottom io 4 120826 01 Hearth Brick Panel 36 E 120826 02 Hearth Brick Panel 42 120826 03 Hearth Brick Panel 50 25 109457 01 Screen o 109457 02 Screen 109457 03 Screen EE 26 20806 i Screen Rod it T 1 1 1 1 1 i 1 5 5 Firebox Surround E 1 6 Firebox Top Er 1 7 m Insulation Pan Support e 1 8 wa Insulation Pan El 1 9 5 Top Insulation o 1 10 110454 03 Fireplace Top 36 1 110454 02 Fireplace Top 42 ME 1 110454 01 Fireplace Top 50 e 1 11 2349003 Standoff 2 0 4 12 di Fireplace Surround Assembly Pt 1 13 109720 02 Clearance Spacer E 6 14 117891 01 Fireplace Handle Bracket LE 4 15 20042 Outside Air Cover Plate 0 2 16 21171 Gas Conduit Cover iti 4 17 109752 01 Conduit One a 2 18 109752 02 Conduit Two nm 2 19 20106 Nailing Strap o 6 20 Heat Shield Support E 1 21 12
15. is limited to the purchase price of the product and DESA Heating LLC shall not be liable for any other damages whatsoever under any circumstances including indirect incidental or consequential damages Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state For information about this warranty contact DESA DESA Heating LLC 2701 Industrial Drive Bowling Green KY 42101 122274 01 122274 01 www desatech com Rev F NOT A UPC 1 866 672 6040 09 08
16. 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 For products purchased for commercial industrial or rental usage this warranty is limited to 90 days from the date of first purchase Factory Reconditioned Products Limited Warranty DESA Heating LLC warrants factory reconditioned products and any parts thereof to be free from defects in material and workmanship for 30 days 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 Terms Common to All Warranties The following terms apply to all of the above warranties Always specify model number and serial number when contacting the manufacturer To make a claim under this warranty the bill of sale or other proof of purchase must be presented This warranty is extended only to the original retail purchaser when purchased from an authorized dealer and only when installed by a qualified installer in accordance with all local
17. 2 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 4 You can also remove door into adjoining room see option 3 Figure 4 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts E E 12 Ventilation Grills Into Ventilation Grills Adjoining Into Adjoining Room Room Option 2 Option Remove ra 3 A i NN 0 NN b N Figure 4 Ventilation Air from Inside Building www desatech com 9 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 22 ft length x 18 ft width x 8 ft ceiling height 3 168 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maxi mum Btu Hr the space can support Example 3 168 cu ft volume of space x 20 63 360 maximum Btu Hr space can support Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu
18. 3298 01 Ash Box Assembly a 1 22 d Ash Box Ring 1 23 iis Hearth Support Brace 1 24 109511 01 Hood MEE 1 109511 02 Hood 1 109511 03 Hood oi 1 2 2 2 2 2 2 110146 02 Screen Rod M 110146 03 Screen Rod E PARTS AVAILABLE NOT SHOWN me see page 26 Brick Panel Assemblies with Brick M Housings 1 each right left rear d Not a field replaceable part 122274 01F www desatech com 31 PARTS MODELS V UM36 SR SI HR HI V UM42 SR SI HR HI VJUM5O SR SLHR HI MK 36 SS SH R l MK 42 SH SS R l 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 DESCRIPTION 122317 02 36 Full Stack Left 122319 02 42 Full Stack Left 122321 02 50 Full Stack Left 122323 02 36 Full Herringbone Left 122327 02 42 Full Herringbone Left 122327 02 50 Full Herringbone Left 122317 01 36 Full Stack Right 122319 01 42 Full Stack Right 122321 01 50 Full Stack Right 122323 01 36 Full Herringbone Right 122325 01 42 Full Herringbone Right 122327 01 50 Full Herringbone Righ E 122354 01 36 Full Stack Rear 122354 02 42 Full Stack Rear 122354 03 50 Full Stack Rear E 122356 01 36 Full Herringbone Rear 122356 02 42 Full Herringbone Rear
19. 74 01F INSTALLATION Continued 36 FULL STACKED BRICK MATRIX F147 LEFT REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 FO36R F036W F143R F143W F144R F144W F147R F147W F148R F148W F158R F158W F185R F185W F191R F191W F192R F192W REAR REFRACTORY RED IVORY FULL FULL 112140 01 112140 05 F148R F148W F150R F150W F152R F152W F153R F153W F159R F159W F160R F160W RIGHT REFRACTORY IVORY FULL 112140 05 F158W F185W F195W F192W RED FULL 112140 01 F036R F143R F144R F147R F148R F158R F185R F191R F192R F143 F143 F144 F159 F159 F159 F153 F036 F036 F036 F160 F160 F148 F148 F036 FULL F158 FULL FULL F036 FULL F158 FULL FULL F036 FULL F158 F185 or F192 601 F150 F148 o 2 FULL FULL m F160 FULL o e FULL FULL LL F160 FULL o 2 FULL FULL LL F153 F152 F147 j F148 F148 F158 FULL e FULL FULL LL F158 FULL 3 FULL FULL LL F158 FULL i F185 or i 14 F192 www desatech com INSTALLATION Continued 42 FULL STACKED BRICK MATRIX ne LEFT REFRACTORY RED IVORY QTY Fo33 FULL FULL E FULL FULL 8
20. DESA HEARTH PRODUCTS UNVENTED VENT FREE UNIVERSAL FIREBOX OWNER S OPERATION AND INSTALLATION MANUAL US We recommend that our 4 A products be installed and Y 5 ifi i z m A 3 d be National Fireplace Institute IT INSTI T Gumi www nficertified org ZY lt V 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 A 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 Donottouch any electrical switch do not use any phone in your building Immediately call your gas supplierfrom 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 A WARNING Improper installation adjustment al teration service or maintenance can cause injury or property damage Refer to this manual for correct in stallation and oper
21. FRESH AIR FLOW FOR FIREBOX 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 heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 122274 01F WARNING This heater shall not be installedinaroomorspace unless the required volume ofin door combustion air is provided by the method described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 the International Fuel Gas Code or applicable lo cal codes Read the following in structions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in Dur ing heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your home ne eds to breathe Fresh air must enter your home All fuel burning ap pliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh airfor these appliances This will insure proper venting o
22. I NFPA70 latest edition Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 PRODUCT FEATURES OPERATION This firebox is designed for use with approved ANSI Z21 11 2 decorative type unvented room heaters Physical size limitations apply Refer to minimum firebox requirements supplied with log heater It requires no outside vent ing or chimney making installation easy and inexpensive PRODUCT SPECIFICATIONS 36 MODELS V UM36 SERIES AND VCM 36U NAW MN Figure 1 36 Models V UM36 Series and VCM 36U 122274 01F www desatech com PRODUCT SPECIFICATIONS Continued 42 MODELS V UM42 SERIES AND VCM 42U 4 NA Figure 2 42 Models V UM42 Series and VCM 42U 6 www desatech com 122274 01F PRODUCT SPECIFICATIONS Continued 50 MODELS V UM50 SERIES AND VCM 50U ASSAI 2 WAAAY Figure 3 50 Models V UM50 Series and VCM 50U 122274 01F www desatech com 7 AIR FOR COMBUSTION AND VENTILATION Unusually tight construction is defined as construction where a walls and ceilings exposed to the out side atmosphere have a continuous water
23. R F072R 4 F100R F101R F162R F164R F165R F174R F074 F074 t D 4 0 o F120 2 A e 7 8 F120 F120 F120 1 F176 F171 F162 or F184 www desatech com 20 INSTALLATION Continued 50 FULL HERRINGBONE BRICK MATRIX LEFT REFRACTORY 4 F074 RED IVORY QTY F120 FULL FULL 6 112140 01 112140 05 F064R F064W 4 F1207 F068R F068W 4 F072R F072W 2 pao FO74R FO74W 2 F120R F120W 4 F163R F163W 1 F120 F169R F169W 1 F175R F175W 1 Fiad A F176R F176W 1 F177R F177W 1 F175 or F182 F177 F182R F182W 1 REAR REFRACTORY RED IVORY QTY FULL FULL 12 112140 01 112140 05 F063R F063W 3 FO65R 01 3 F068R F068W 2 6 F072W 2 FO74R F074W 2 F082R F082W 1 F089R F089W 1 F161R F161W 2 F168R F168W 2 F170R 0 1 F178R F178W 1 RIGHT REFRACTORY F074 F074 F093 RED IVORY QTY FULL FULL 9 112140 01 112140 05 F068R F068W 2 FO72R FO72W 1 F074R 7 2 F083R F083W 3 0 4 F085R F085W 1 FO93R F093W 1 F166R F166W 1 F167R F167W 1 F172R F172W 1 F173R F173W 1 F183R F183W 1 122274 01F www desatech com INSTALLATION Continued 36 SPLIT STACKED BRICK MATRIX S047 FULL S046 FULL FULL 5050 LEFT REFRACTORY S047 FULL S046 RED IVORY GTY F
24. S058W S063R S063W S064R S064W S065R S065W S066R S066W S067R S067W S068R S068W F129R F129W F130R F130W F193R F193W 122274 01F www desatech com a INSTALLATION Continued 42 SPLIT HERRINGBONE BRICK MATRIX S003 S003 a LEFT REFRACTORY RED IVORY QTY S085 FULL FULL 19 112140 02 112140 06 S085 S001R S001W 2 S002R S002W 9 S085 S003R S003W 2 S004R S004W 1 S085 S054R S054W 1 S074R S074W 1 S085 S075R S075W 1 S085R S085W 7 S085 S087R S087W 1 S088R S088W 1 S085 S103R S103W 1 FO71R F071W 1 F131R F131W 1 REAR REFRACTORY RED IVORY QTY FULL FULL 12 112140 02 112140 06 S001R S001W 2 S002R S002W 2 S003R S003W 2 S004R S004W r S059R S059W 1 S060R S060W 1 S061R S061W 1 S062R S062W 1 S074R S074W 6 S083R S083W 1 S084R S084W 1 FO71W 1 F120R F120W 1 F129R F129W 1 RIGHT REFRACTORY S089 RED IVORY QTY FULL FULL 18 S089 112140 02 112140 06 S001R S001W 2 S089 S002R S002W 8 S003R S003W 2 S089 S004R S004W 2 S065R S065W 1 S089 S074R S074W 1 S086R S086W 1 S089 S089R S089W 8 S092R S092W 1 S089 S093R S093W 1 S094R S094W 1 S089 S104R S104W 1 F054R F054W 2 S094 S0920rS093 F054 F054 www desatech com 122274 01F
25. ULL FULL ASH BRICK ASH BRICK 1 120848 01 120848 03 F126 FULL FULL F126 F012R F012W 2 FINE F124R F124W 2 FULL O FULL F125R F125W 2 F125 Ash Brick F12 F128 F012 F012 F128 F126R F126W 2 36 Hearth F128R F128W 2 Includes 2 extra bricks RED IVORY QTY FULL FULL 13 F133 Fon F133 112140 01 112140 05 ASH BRICK ASH BRICK 1 fets FULL FULL F123 120848 01 120848 03 ria f FULL FULL FULL F124 FOT1R FO11W 1 FO59R F059W 4 FULL FULL FULL FULL F123R F123W 2 F124R F124W 2 F126 FULL A e 7 FULL F126 F126R F126W 2 SI TICI 1321 FOSS Foso IL F059 F059 Fizz F132R F132W 2 42 Hearth F133R F133W 2 Includes 2 extra bricks RED IVORY QTY F011 F011 F011 FULL FULL 17 F135 112140 01 112140 05 FULL FULL FULL Ei ASH BRICK ASH BRICK 1 120848 01 120848 03 FULL FULL FULL F126 EMIR ROLA 3 FULL FULL FULL Ec F011R F012W 2 FULL Eos EU zm po 210 F021W 2 F012 e Te F012 F059 F134 gt 00 FO59R FO5W 2 F126R F126W 2 F134R F134W 2 F135R F135W 2 Includes 2 extra bricks 122274 01F www desatech com 15 QTY 7 a lt A 0 IND 5 N69 QTY 8 RO N N QTY 7 zk EX ES 0 INDO O09 1222
26. ULL FuLL 050 FULL FULL 16 S047 FULL S046 112140 02 112140 06 FU TM S043R S043W 1 S044R S044W 1 S047 FULL S046 S045R S045W 1 FULL FULL S050 S046R S046W 6 S047 EDIT 8016 S047R S047N 6 S050R S050W 5 FULL S095R S095W 1 S047 FULL S046 S045 a or S095 s043 S048 FULL FULL 5048 5049 FULL S049 5048 FULL FULL S048 REAR REFRACTORY S049 FULL S049 RED IVORY QTY S048 FULL FULL 5048 FULL FULL 17 S049 FULL S049 112140 02 112140 06 S048 FULL FULL S048 S048R S048W 12 S049R S049W 10 S049 FULL S049 em m S051R S051W 1 e SO52R 9052 2 S049 FULL S049 S048 FULL FULL 5048 5052 S051 S052 S046 FULL S047 S050 FULL FULL RIGHT REFRACTORY S046 FULL s047 RED IVORY QTY S050 FULL FULL FUEL FULL 16 112140 02 112140 06 S046 FULL S047 S050 RUIT S044R S044W 1 S045R S045W 1 S046 FULL S047 S046R S046W 6 3588 rs FULL S047R S047W 6 S046 FULL S047 S050R S050W 5 S050 FULL FULL S054R S054W 1 S046 FULL S047 S095R S095W 1 S054 S045 S044 or S095 www desatech com 122274 01F 22 INSTALLATION Continued S050 5046 LEFT REFRACTORY S050 RED IVORY QTY S046 FULL FULL 17 112140 02 112140 06 2080 S045R S045W 1 S046 S046R S046
27. W 5 5050 S050R S050W 6 E S076R S076W 6 S077R S077W 6 5050 S080R S080W 1 S046 S081R S081W 1 S050 S080 S076 S077 S076 077 REAR REFRACTORY S076 RED IVORY QTY FULL FULL 16 SOT 112140 02 112140 06 S076 S051R S051W 2 mm S076R S076W 12 S077R so77w 10 S076 S078R S078W 2 S077 S076 S078 S077 S076 RIGHT REFRACTORY S077 RED IVORY QTY 5076 FULL FULL 17 112140 02 112140 06 RAM S045R S045W 1 S076 S046R S046W 5 S077 S050R S050W 6 S076 S076R S076W 6 S077R S077W 6 S081R S081W 1 S076 S082R S082W 1 S077 S076 23 www desatech com 42 SPLIT STACKED BRICK MATRIX FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL a FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL S051 S051 FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL FULL S045 or S081 S077 S076 S077 S076 S077 S076 S077 S076 S077 S076 S077 S076 S076 S077 S076 S077 S076 S077 S076 S077 S076 S077 S076 5078 00 S046 5050 S046 5050 S046 00 S046 5050 5046 5050 082 122274 01F
28. air by using ventilation grills or ducts You must provide two perma nent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermo stat controlled power vent Heated air entering the attic will activate the power vent INSTALLATION NOTICE The firebox identifica tion label including model num ber serial number clearances etc is located on a chain under the bottom refractory IMPORTANT Vent free gas log heaters add moisture to the air Although this is beneficial installing firebox in rooms without enough ventilation air may cause mildew to form from too much moisture See page 8 IMPORTANT Make sure the firebox is level If firebox is not level log set will not work properly Note Your firebox is designed to be used in zero clearance installations Wall or framing material can be placed against any exterior surface on the rear sides top or bottom of your firebox except where standoff spacers are integrally attached If standoff spacers are attached to your firebox these spacers can be placed directly against wall or framing ma terials Use t
29. al must be 4 from the side of the fireplace cabinet see Figure 4 B Clearances from the top of the firebox opening to the ceiling should not be less than 42 C When the firebox is installed directly on carpeting tile or other combustible mate rial other than wood flooring the firebox should be installed on a metal or wood panel extending the full width and depth of the enclosure D Clearances from the bottom of firebox to the floor is 0 These fireboxes can be installed as free standing units against a wall with approved cabinet mantels that may be available from your retailer or supplier or as a built in unit The clearances are the same for either instal lation method Project Off this 12 16 20 Surface above 121 4 Firebox the Firebox Hoo 101 2 8 Note All vertical T a Wire mesh Supplied measurements are N 5 ul Screen E da 2 Hood from top of fireplace i 5 Mus iB E d hood opening to 3 2 z Sed bottom of mantel shelf 1 a Imes These minimum clearances replace any 7 8 other recommended 7 16 clearances supplied i with your ANSI Z21 11 2 FIREBOX 5 1 2 4 6 8 10 12 14 16 approved gas logs Figure 7 Minimum Mantel CI ini igure Minimum Mante earances Minimum 16 from Side Wall g EM for Built In Installation Figure 6 Minimum Clearance for Combustible to Wall 122274 01F www desatech com 11
30. ational 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 UNLESS THIS FIREBOX MEETS THE MINIMUM DIMEN SIONS REQUIRED FOR THE INSTALLATION 4 WARNING FOR USE ONLY WITH A LISTED GAS FIRED UNVENTED DECORATIVE ROOM HEATER NOT TO EXCEED 40 000 BTU H DO NOT BUILD A WOOD FIRE TABLE OF CONTENTS ITI 2 Installation 10 Local Codes O 4 Technical Service een 28 Product Features s o 4 Replacement Parts sss 23 Locating Firebox 4 c clem 24 Product Specifications ub AVANTE OZNA Back Cover Air For Combustion and Ventilation 8 SAFETY IMPORTANT Read this owner s manual carefully and completely before trying to assemble op erate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explo sion electricalshock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death 122274 01F This appliance may be installed in an aftermarket permanently located manufactured mobile home where
31. ebox 8 Operating vent free heaters installed in these fireboxes above elevations of 4 500 feet could cause pilot outage 9 Do not use the firebox if it has been under water 10 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these prod ucts may create a white powder residue within burner box or on adjacent walls and furniture 11 Provide adequate clearances around air A WARNING Any change to this firebox or its controls can be dangerous AX WARNING Do notallowfans to blow directly into the firebox Avoid any drafts thatalter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting AM WARNING Donotusea blow er insert heat exchanger insert orotheraccessory notapproved for use with this firebox Due to high temperatures the appliance should be located out oftraffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects in the firebox or on logs Firebox front and screen be comes very hot when running firebox Keep children and adults away from hot surfaces to avoid burns or clothing ignition Fire box will remain hot for a time after shutdown Allow surfaces to cool before touching Carefully supervise young chil dren when they are in the room with firebox Kee
32. ert round end of rod into rod bracket on left side of fireplace 5 Mount flat end of screen rod with 10 x 5 8 to center of smoke shelf see Figure 18 6 Install other screen rod in same manner TECHNICAL SERVICE When calling please have your model and serial numbers of your firebox ready You can also visit DZSA Heating LLC s web site at www desatech com You may have further questions about installa tion operation or troubleshooting If so con tact DESA Heating LLC at 1 866 672 6040 REPLACEMENT PARTS Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating LLC at 1 866 672 6040 for referral information A list of authorized dealers can be found by visiting www desatech com When calling DESA Heating LLC have ready model number of your firebox the replacement part number www desatech com 29 Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name your address model and serial numbers of your firebox how firebox was malfunctioning type of gas used propane LP or natural
33. f vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 8 through 10 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of un usually tight construction you must provide additional fresh air 8 www desatech com AIR FOR COMBUSTION AND VENTILATION Continued If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation A WARNING Iftheareain which the heater may be operated does notmeetthe required volume for indoor combustion air combus tion and ventilation air shall be provided by one of the methods described in the National Fuel Gas Code ANSIZ223 1 NFPA 54 the International Fuel Gas Code or applicable local codes 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 1
34. he dimensions shown for rough opening to create the easiest installation Use dimensions shown for rough openings to create the easiest installation see Built In Firebox Installation page 12 122274 01F A WARNING A qualified ser vice person must install firebox Follow all local codes d WARNING Never install firebox in a bedroom or bathroom inarecreational vehicle where curtains furniture clothing or other flammable objects are less than 36 from frontor42 fromtop offirebox for side clearances see Figure 4 page 11 in high traffic areas in windy or drafty areas Unless installed log setis rated at 10 000 Btu Hr or less A CAUTION Log heaters installed in this firebox create warm air currents These currents move heat to wall surfaces next to firebox Installing firebox next to vinyl or cloth wall coverings or operating firebox where impuri ties suchas butnotlimitedto to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors 10 www desatech com INSTALLATION Continued Mantel Clearances for Built In Installation If placing custom mantel above built in fire box you must meet the minimum allowable clearance between mantel shelf and top of firebox opening shown in Figure 7 These are the minimum allowable mantel clearances for a safe installation Use larger
35. kes the front of firebox flush with wall If installing a mantel above the firebox you must follow the clearances shown in Figure 7 page 11 Follow these instructions to install the firebox in this manner 1 Framein rough opening The firebox fram ing should be constructed of 2 x 4 lumber or heavier Use dimensions and rough opening layout in Figure 8 Adjust framing so that firebox flushes with finished wall surface If installing in a corner use dimen sions in Figure 9 for rough opening 2 Install gas piping to firebox location See Installing Gas Line on page 14 and Con necting to Gas Supply in log set owner s manual 45 375 36 Models 30 125 51 375 42 Models 28 250 59 375 50 Models 36 Models Figure 8 Framing Dimensions Maintain 1 1 2 Clearance at Sides and Back of Fireplace 1 1 2 Clearance Not Required at Nailing Flanges 65 42 Models 71 50 Models 86 5 36 Models 92 42 Models 100 50 Models Figure 9 Corner Installation 12 www desatech com Gas Piping gt LLL 2 INSTALLATION Continued Cabinet p Mantel Gas Line Access Hole Either Side of Firebox Figure 11 Installing Cabinet Mantel Mantel Ma
36. not prohibited by local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer This firebox has been tested under Z21 91b 2004 for use with approved ANSI Z21 11 2 decorative type unvented room heater 2 www desatech com SAFETY Continued You must operate this fireplace with the provided fireplace screen and hood in place Make sure these parts are in place and screens are closed before running installed gas log heater Replace hood with DESA Heat ing LLC model 109511 01 50 109511 02 42 or 109511 03 36 only This hood has been designed to keep the opera tion of your fireplace safe and efficient Do not use this firebox as a wood burning fireplace Use only decorative unvented room heaters log sets Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting 3 Use only the provided hood See Parts page 30 Vent free gas log heaters installed in these fireboxes require fresh air ventilation to run properly See Air for Combustion and Ventilation page 8 5 Do not run vent free heaters installed in these fireboxes where flammable liquids or vapors are used or stored under dusty conditions 6 Do not use this firebox to cook food or burn paper or other objects 7 Turn unit off and let cool before servicing Only a qualified service person should service and repair fir
37. p the fireplace area clear and free from combustible materials gasoline and other flammable openings vapors and liquids 122274 01F www desatech com 3 LOCAL CODES State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts LOCATING FIREBOX PLANNING Plan where you will install the firebox This will save time and money later when you install the firebox Before installation consider the following 1 Where firebox will be located Allow for wall and ceiling clearances see nstalla tion Clearances page 11 2 Everything needed to complete installation 3 These models CANNOT be installed in a bedroom unless maximum Btu rating of installed vent free log set is less than 10 000 Btu hr 4 Proper air for combustion and ventilation page 8 122274 01F www desatech com Install and use firebox with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Firebox must be electrically grounded in accordance with the National Electrical Code ANS
38. sequence Please note full size bricks are NOT stamped Figure 15 Installing Bricks into Brick Housings 122274 01F INSTALLING GAS LINE WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes IMPORTANT See Connecting to Gas Supply in your log set owner s manual for details on gas hookup You may run the gas line from either side of the firebox see Figure 13 Decide which side you want to run the gas line from Note This is one option for installing shutoff valve Check local codes for equipment shut off valve location requirements U Equipment Shutoff Valves Install One Gas Line Hole Figure 13 Installing Gas Line and Equipment Shutoff Valve Model May Vary From Illustration BRICK PANEL INSTALLATION IMPORTANT Installation of brick should be done after the fire place is placed in a permanent location The brick housings are already installed on the panels When installing brick housing panels into fireplace wear gloves as edges may be sharp 1 Beginning with left side panel place panel bottom edge first at an angle into fireplace Secure to bottom of fireplace with screws provided 14 www desatech com INSTALLATION Continued HEARTH BRICK MATRIX RED IVORY QTY F124 FULL FULL F124 FULL FULL 11 112140 01 112140 05 FULL F
39. strike again 9 Continue procedure around each group of 6 bricks until an entire panel is finished 0 Using trowel scrape in direction of joints to remove any grout that may have col lected around bricks during striking If desired take a moist sponge and lightly Sweep over bricks to remove any grout that may have gotten on bricks DO NO PRESS HARD OR RUB IN ACIRCULAR MOTION This will press the grout into brick and turn brick a different color Allow 72 hours before operating fireplace TS Figure 16 Grouting Brick 1 INSTALLING FIREPLACE HOOD AND SCREEN Attach hood to firebox using screws pro vided see Figure 17 Mount screen rod brackets on left and right side of smoke shelf with 8 x 1 2 screws provided see Figure 18 page 29 Figure 17 Screw and Hood Placement 122274 01F 1 2 Screws GROUTING INSTRUCTIONS Material provided 1 or 2 10 Ib bags of cement depending on model 1 or 2 10 Ib bags of sand depending on model Material required 1 Piping bag Joints striker Heavy duty mixing bucket Trowel Moisten brick surface with damp sponge or spray bottle just prior to application When bricks are wet any excess grout mixture on bricks will easily wipe off In a heavy duty mixing bucket pour seven 7 cups of water Add 5 Ibs half of a bag of sand and 5 Ibs half of a bag of cement Mix together well using a power drill with mixing wand attachment
40. vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 10 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Firebox Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the ag gregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw ofthe aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the un confined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them DETERMINING
41. y Vary From Illustration 2 mM Figure 12 Inserting Firebox Into Cabinet Mantel Mantel May Vary From Illustration www desatech com AX WARNING Use only non combustible mortar or adhe sives when overlapping the front facing with noncombustible facing material INSTALLING FIREBOX USING OPTIONAL MANTELS AVAILABLE FROM RETAILER OR CUSTOM BUILT A WARNING A qualified ser vice person must install firebox Follow all local codes This firebox may be installed using a cabinet mantel against a wall in your home The firebox and cabinet mantel can be installed directly on the floor Mantels may be avail able from your retailer or custom built for your home 1 Assemble cabinet mantel as instructed 2 Install gas piping to firebox location See Installing Gas Line page 14 You may have to cut an access hole in the floor or wall to run gas line to firebox Make sure to locate access hole so cabinet mantel will cover it when installed see Figure 11 3 Place firebox on floor in desired location Make sure mantel will be flush against wall when installed 4 Carefully slide cabinet mantel over firebox Be careful not to scratch firebox cabinet mantel flooring etc when installing see Figure 12 5 Install and properly test gas log heater Follow installation instructions included with the vent free gas log heater that is being installed 122274 01F
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