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UnVented (Vent-Free) UniVersal FireBox
oWner's oPeration and installation ManUal
Models V50s, V50sH and VFB50nC
Vent-Free FireBoxes
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.
FoR use oNly WIth A lIsted GAs-FIRed uNveNted
decoRAtIve Room heAteR Not to exceed 40,000
Btu/Hr. Do not BuilD a wooD fire.
Carefully review the instructions supplied with the
decorative type unvented room heater for the minimum
fireplace size requirement.
do Not INstAll AN ApplIANce IN thIs FIRebox
uNless thIs FIRebox meets the mINImum dImeN-
sions requireD for tHe installation.
this firebox has been tested and approved under ansi
Z21.91 for use with any ansi Z21.11.2 approved gas logs.
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 V50S
Summary of Contents for Desa V50S
- Page 1 UnVented (Vent-Free) UniVersal FireBox oWner’s oPeration and installation ManUal Models V50s, V50sH and VFB50nC Vent-Free FireBoxes 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. FoR use oNly WIth A lIsted GAs-FIRed uNveNted decoRAtIve Room heAteR Not to exceed 40,000 Btu/Hr.
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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. taBle oF Contents Safety .............. -
Page 3: Local Codes
saFety Continued 1. Do not use this firebox as a wood-burning firebox front and screen be- fireplace. Use only decorative unvented comes very hot when running room heaters (log sets). firebox. Keep children and adults 2. Do not add extra logs or ornaments such as away from hot surfaces to avoid pine cones, vermiculite or rock wool. -
Page 4: Product Features
ProdUCt FeatUres opeRAtIoN refraCtorY BriCK liner This firebox is designed for use with approved Your firebox features a concrete refractory ANSI Z21.11.2 decorative type unvented room brick liner. As with all concrete liners, this liner heaters. (Physical size limitations apply. Refer may develop slight cracks when exposed to to minimum firebox requirements supplied heat. -
Page 5: Air For Combustion And Ventilation
air For CoMBUstion and Ventilation unusually tight Construction WARNING: this heater shall The air that leaks around doors and windows not be installed in a room or may provide enough fresh air for combustion and ventilation. However, in buildings of un- space unless the required vol- usually tight construction, you must provide ume of indoor combustion air... - Page 6 air For CoMBUstion and Ventilation Continued deteRmINING FResh-AIR FloW 4. Compare the maximum Btu/Hr the space can support with actual amount of Btu/Hr used. FoR FIRebox locAtIoN _______ Btu/Hr (maximum the space can Determining if You Have a Confined or support) unconfined space _______ Btu/Hr (actual amount of Btu/Hr...
- Page 7 air For CoMBUstion and Ventilation Continued veNtIlAtIoN AIR ventilation Air From outdoors Provide extra fresh air by using ventilation Ventilation air from inside Building grills or ducts. You must provide two perma- This fresh air would come from an adjoining nent openings: one within 12"...
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Page 8: Installation
installation Note: Your firebox is designed to be used in warninG: a qualified ser- zero clearance installations. Wall or framing vice person must install firebox. material can be placed against any exterior surface on the rear, sides, top or bottom of follow all local codes. - Page 9 installation Continued These fireboxes can be installed as freestand- This makes front of firebox flush with wall. If ing units against a wall with approved cabinet installing a mantel above firebox, you must fol- mantels that may be available from your retailer low clearances shown in Figure 5.
- Page 10 installation Continued 2. Install gas piping to firebox location. See WARNING: use only non- Installing Gas Line, page 11 and Con- combustible mortar or adhe- necting to Gas Supply in log set owner’s manual. sives when overlapping the front 3. Carefully set firebox in front of rough opening facing with noncombustible with back of firebox inside wall opening.
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Page 11: Installing Gas Line
installation Continued 5. Install and properly test gas log heater. Locate recessed knockout in one of the fire- Follow installation instructions included brick sidewall liners (see Figures 10 and 11). with the vent-free gas log heater that is Firmly tap center of knockout with a chisel being installed. - Page 12 installation Continued INstAllING FIReplAce hood Rear Hole ANd scReeN Front Hole 1. Attach hood to firebox using screws pro- vided (see Figure 12). 2. Insert each rod through all rings located at top of screen. 3. Insert first rod into rear hole in left side Top View of of firebox.
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Page 13: Replacement Parts
rePlaCeMent Parts Note: Use only original replacement parts. Usually, we will ask you to return the part to This will protect your warranty coverage for the factory. parts replaced under warranty. pARts Not uNdeR WARRANty pARts uNdeR WARRANty Contact authorized dealers of this product. If Contact authorized dealers of this product. -
Page 14: Parts
Parts models v50h, v50s ANd vFb50Nc 17/18 www.desatech.com 110749-01E... - Page 15 Parts models v50h, v50s ANd vFb50Nc This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on page 13 of this manual. no. Part no. descRIptIoN qtY. 23490 Top Spacer 110285-03 Fireplace Top 109731-01 Fireplace Top Insulation 109732-01 Insulation Pan 109720-01 Clearance Spacer...
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Page 16: 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.