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111099-01C

4

FIREPLACE INSTALLATION

SELECTING LOCATION

To determine the safest and most efficient location 

for the fireplace, you must take into consideration 

the following guidelines:
1.  The location must allow for proper clearances 

(see Figures 1 and 2).

2.  Consider a location where the fireplace will 

not  be  affected  by  drafts,  air  conditioning 

ducts, windows or doors.

3.  A location that avoids the cutting of joists or 

roof rafters will make installation easier.

4.  An outside air kit is available with this fireplace 

(see 

Optional Outside Air Kit

 on page 6).

MINIMUM CLEARANCE TO 
COMBUSTIBLES

Back and sides of fireplace   3/4" minimum*
Floor** 

0" minimum

Perpendicular wall to opening  12" minimum
Top spacers 

0" minimum

Mantel clearances 

see 

Mantels

, page 5 

Chimney outer pipe surface  1" minimum

* Not required at nailing flanges
** See step 2 of 

Framing

 WARNING: Do not pack re-

quired air spaces with insulation 

or other materials.

Minimum/Maximum Chimney Height for 
Residential Installation

The minimum height of the chimney, measured 

from the base of the fireplace to the flue gas outlet 

of the termination, is 14.5 feet for straight flue or 

a flue with one elbow set. The maximum distance 

between elbows is 6 feet. For systems with two 

elbow sets, the minimum height is 22 feet. The 

maximum height of any system is 50 feet. This 

measurement includes the fireplace, chimney sec-

tions and the height of the termination assembly 

at the level of the flue gas outlet (see Figure 18, 

page 11).

Minimum/Maximum Chimney Height for 
Outdoor Installation

The minimum height of the chimney, measured 

from the base of the fireplace to the flue gas outlet 

of the termination, is 8 feet (minimum of 4 feet 

of chimney pipe sections required for outdoor 

installation).

FRAMING

1.  Frame the opening for the fireplace using the 

dimensions shown in Figures 1 and 2.

2.  If the fireplace is to be installed directly on 

carpeting,  tile  (other  than  ceramic)  or  any 

combustible material other than wood floor-

ing, the fireplace must be installed upon a 

metal or wood panel extending the full width 

and depth of the fireplace.

3.  Set the fireplace directly in front of this open-

ing and slide the unit back until the nailing 

flanges touch the side framing.

4.  Check the level of the fireplace and shim with 

sheet metal if necessary.

5.  Before securing fireplace to prepared fram-

ing,  the  ember  protector  (provided)  must 

be placed between the hearth extension (not 

supplied) and under the bottom front edge 

of  the  fireplace  to  protect  against  glowing 

embers falling through. If the fireplace is to be 

installed on a raised platform, a Z-type ember 

protector (not supplied) must be fabricated to 

fit your required platform height. The ember 

protector should extend under the fireplace a 

minimum of 1 

1

/

2

". The ember protector should 

be made of galvanized sheet metal (28 gauge 

minimum) to prevent corrosion.

6.  Using screws or nails, secure the fireplace to 

the framing through flanges located on the 

sides of the fireplace.

23.50”

43.375”

48.25”

Figure 1 - Framing Dimensions

59.264"

19.466"

27.527"

83.830"

MAINTAIN 

3

/

4

"

CLEARANCE AT

SIDES AND BACK

OF FIREPLACE

3

/

4

" CLEARANCE

NOT REQUIRED AT

NAILING FLANGES  

Figure 2 - Corner Installation

Summary of Contents for VS42 Series

Page 1: ...g approved to ANS Z21 60 Z21 84 or RGA 2 72 standards or for use with a vent free gas log heater approved toANS Z21 11 2 standard A DESA hood must be installed when using a vent free log heater see Accessories page 16 This wood burning fireplace complies with UL127 CAN ULS S610 M87 standard as a FACTORY BUILT APPLIANCE FOR CANADA The authority having jurisdiction such as the municipal building depa...

Page 2: ...f any component part not manufac tured or approved by DESAin combination with a DESA fireplace system Proper installation is the most important step in ensuring safe and continuous operation of the fireplace Consult the local building codes as to the particular requirements concerned with the installation of all factory built fireplaces WARNING Do not install a fireplaceinsertinthisboxunless the manuf...

Page 3: ...NOT LESS THAN 12 1 AIRSPACE TO COMBUSTIBLE COMBUSTIBLE WALL BOARD 0 TO MATERIAL NO COMBUSTIBLE MATERIAL ON FACE SIDEWALL TERMINATION SQUARE CHASE TOP GAS LINE KNOCK OUT AIR KIT KNOCK OUTS ROUND TOP TERMINATION GAS LINE KNOCK OUTS ELECTRICAL OUTLET LEFT SIDE RIGHT SIDE 8 125 12 625 14 25 45 25 41 48 42 24 8 39 16 25 29 5 2 5 10 625 1 12 2 5 8 125 6 75 10 625 12 25 48 0 625 36 22 5 ...

Page 4: ...inimum Maximum Chimney Height for Outdoor Installation The minimum height of the chimney measured from the base of the fireplace to the flue gas outlet of the termination is 8 feet minimum of 4 feet of chimney pipe sections required for outdoor installation FRAMING 1 Frame the opening for the fireplace using the dimensions shown in Figures 1 and 2 2 If the fireplace is to be installed directly on carp...

Page 5: ...tension from shifting and seal gap between the fireplace frame and hearth extension with a non combustible material see Figure 3 WARNING Hearthextension is to be installed only as shown in Figure 3 FIREPLACE INSTALLATION Continued Figure 3 Hearth Extension Seal Gap Fireplace Front Ember Protector Fireplace Front Raised Hearth Fireplace Front Elevated Ember Protector Ember Protector Seal Gap Hearth ...

Page 6: ...ed end up Press down on each pipe section until the lances securely engage the hem on the fire placestarter Thewirewillassuretheproperspacing between the inner and outer pipe sections VENTING INSTALLATION OPTIONAL OUTSIDE AIR KIT MODEL AK4 AK4F The installation of an outside air kit should be per formed during the rough framing of the fireplace due to the nature of it s location Outside combus tion ...

Page 7: ...pipe between supports return elbow or 12S 8DM is 6 of angle run Maximum of two 6 angle run sections per chimney system see Figure 7 4 All pipe connections between the offset and return must be secured with two screws on the outer pipe only see Figure 9 page 8 Do not penetrate the inner stainless OFFSET RISE CHIMNEY LENGTH A B 48 36 24 18 12 4 3 8 16 3 8 ELBOW SET ONLY 9 3 4 25 1 2 1 12 3 4 30 3 4 ...

Page 8: ...of 8 PENETRATING THE ROOF To maintain a 1 clearance to the pipe on a roof with a pitch a rectangular opening must be cut 1 Determine the center point through which the pipe will penetrate the roof 2 Determine the center point of the roof Pitch is the distance the roof drops over a given span usually 12 A 6 12 pitch means that the roof drops 6 for each 12 one measure horizontally down from the roof...

Page 9: ...hing Cone Underlap Shingles at Bottom Overlap Shingles Top and Sides Only Figure 13 Flashing Installation Storm Collar Installation SC1 or SC2 Place storm collar over pipe and slide down until it is snug against the open edge of the flashing see Figure 14 Use SC1 for all round terminations and SC2 for all terminations with slip sections Apply waterproof caulk around the perimeter of the collar to p...

Page 10: ...re 16 Note If a decorative shroud is to be installed contact the manufacturer for specifications 10 FOOT RULE All flue gas outlet chimney terminations must extend a minimum of 3 feet in height above the highest point where it passes through the roof and must be at least 2 feet above the highest point of the roof that is within a horizontal distance of 10 feet see Figure 17 24 Min 24 Min 18 Min Typ F...

Page 11: ...add height Provide sufficient gas line into fireplace chamber for fitting connection see Figure 20 page 12 Note Secure incoming gas line to wood framing to provide rigidity for threaded end Figure 19 Gas Line Knockout Side Firebrick Finished Side Refractory Knockout Plug Outside of Fireplace Gas Line Conduit Insulation Gas Conduit Cover 1 2 Dowel 4 Repack insulation around gas line and into sleeve op...

Page 12: ...in accordance with the National Fuel Gas Code ANSI 7223NFPA 54 latest edition Seal Opening with Refractory Cement Outside of Fireplace Gas Line Conduit Repack Insulation Incoming 1 2 Black Iron Pipe Side Firebrick Finished Side Provide Enough Threaded End for Fitting Connection Figure 20 Gas Line Installation WARNING Toavoidtheriskof damagingthefireplacematerials andincreasingtheriskofspread ingafir...

Page 13: ...for the purpose of installing a vented or vent free decorative gas appliance incorporating an automatic shutoff de viceandcomplyingwiththeStandardforDecorative GasAppliances for Installation in Vented Fireplaces ANSI Z21 60 or American Gas Association draft re quirementsforGasFiredLogLightersforWoodBurn ing Fireplaces Draft NO 4 dated August 1993 OPERATION AND MAINTENANCE GUIDELINES Continued If y...

Page 14: ...11099 01C 14 ILLUSTRATED PARTS BREAKDOWN WOODBURNING FIREPLACE MODELS S42 S42H S42R S42RH VS42 1 AND VS42H 1 9 26 16 33 27 16 27 4 32 34 19 12 25 20 30 17 8 1 5 21 2 35 18 11 14 3 13 22 10 6 31 7 37 38 36 28 29 24 23 15 ...

Page 15: ...Pivot Clip 2 34 20090 Spring Clip 2 35 20280 Top Spacer 4 36 21171 Conduit Plate Cover 4 37 21379 Gas Conduit 2 38 21380 Gas Conduit 2 PARTS AVAILABLE NOT SHOWN 106625 01 Home Owner s Guide 1 Not a field replaceable part KEY NO PART NO DESCRIPTION QTY 9 107812 03 Left Refractory Textured White Brick 1 108169 03 Left Refractory Textured White Herringbone Brick 1 107812 02 Left Refractory Textured Re...

Page 16: ... 30 OFFSET AND RETURN ANTI DRAFT SHIELD ROUND TOP TERMINATION ONLY 30E 8DM STORM COLLAR ROOF FLASHING BI FOLD GLASS DOOR 0 TO 6 12 PITCH V6F 8DM 6 12 TO 12 12 PITCH V12F 8DM ANTIQUE BRASS FINISH GA6053 POLISHED BRASS FINISH GA6052 BLACK PAINTED FINISH GA6050 BDO42 BLACK FINISH BDO42B BRUSHED BRASS FINISH BDO42P PLATINUM FINISH ADJUSTABLE HOOD REQUIRED WHEN INSTALLING A VENT FREE GAS LOG IN THIS FI...

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Page 20: ...2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com NOT A UPC 111099 01 Rev C 09 05 111099 01 ...

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