Desa S42H, VS42H-1, S42R, VS42-1, S42RH User Manual

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RESIDENTIAL AND OUTDOOR WOODBURNING FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL

MODELS S42, S42H, S42R, S42RH, VS42(1) AND VS42H(1)

SAVE THIS BOOK

This book is valuable. In addition to instructing you on how to install and maintain your appliance, it also contains information that will enable you to obtain replacementpartsoraccessoryitemswhenneeded.Keep it with your other important papers.

This fireplace is approved for use as a wood burning fireplace or for use with a vented gas log approved to ANS Z21.60, Z21.84 or RGA 2-72 standards or for use withavent-freegaslogheaterapprovedtoANSZ21.11.2 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 department, fire department, etc.) should be contacted before installation to determine the need to obtain a permit.

Save this manual for future reference. For more information, visit www.desatech.com

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury, property damage or loss of life. Refer to this manual for assistance or additional information. Consult a qualified installer or local distributor.

TABLE OF CONTENTS

Safety Information ...............................................

2

Operation and Maintenance Guidelines............

12

Specifications ......................................................

3

Technical Service ..............................................

13

Fireplace Installation ...........................................

4

Illustrated Parts Breakdown ..............................

14

Venting Installation ..............................................

6

Replacement Parts............................................

16

Optional Gas Line Installation ............................

11

Accessories.......................................................

16

SAFETY INFORMATION

IMPORTANT: Check local codes before installing this fireplace.

Before beginning the installation of the fireplace, read these instructions through completely.

This DESA fireplace and its components are safewheninstalledaccordingtothisinstallation manual. Unless you use DESA components, which have been designed and tested for the fireplace system, you may cause a fire hazard.

The DESA warranty will be voided by and DESA disclaims any responsibility for the following actions.

a.Modification of the fireplace, components, doors, air inlet system and damper control.

b.Use of any component part not manufacturedorapprovedbyDESAincombination 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 themanufacturer'sinstructions with the insert specifically state thisfireplacehasbeentestedfor use with this insert.

FOR YOUR SAFETY

Do not store or use gasoline oranyotherflammablevapors orliquidsinthevicinityofthis or any other appliance.

Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.

Do not place clothing or other flammablematerialsonornear the appliance.

Never leave children unattended when a fire is burning in the fireplace.

WARNING: Use solid wood or processed solid fuel firelogs only. Whenprocessedwoodfuel firelogsareused,donotpokeor stir the logs while they are burning. Use only fire logs that have beenevaluatedfortheapplication in fireplace and refer to fire log warnings and caution markings on packaging prior to use.

Thisfireplaceisnotintendedtobe usedasasubstituteforafurnace to heat an entire home. Use for supplemental heat only.

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111099-01C

Desa S42H, VS42H-1, S42R, VS42-1, S42RH User Manual

0" TO

TOP SPACERS

3/4" AIR SPACE BACK AND SIDES

OUTSIDE AIR

(LEFT SIDE ONLY)

0" TO BOTTOM

22.5"

0.625"

45.25"

41"

8"

1"

SPECIFICATIONS

1" AIRSPACE

ELECTRICAL

 

 

TO COMBUSTIBLE

OUTLET

RIGHT SIDE

GAS LINE

MATERIAL

 

 

 

KNOCK OUTS

 

 

 

 

NO COMBUSTIBLE

 

 

 

 

MATERIAL ON FACE

 

2.5"

8.125"

 

 

6.75"

 

 

 

10.625"

 

 

 

 

 

12"

AIR KIT

 

 

 

KNOCK OUT

 

 

LEFT SIDE

GAS LINE

 

COMBUSTIBLE

 

 

 

KNOCK OUTS

 

WALL BOARD

 

 

 

 

12.625"

 

 

8.125"

 

NOT LESS

 

2.5"

 

 

 

 

 

THAN 12"

 

 

 

 

TO PERPENDICULAR

 

 

 

 

SIDEWALL

10.625"

 

 

 

 

 

 

HEARTH EXTENSION

14.25"

 

 

 

 

 

66" X 20"

 

 

 

 

12"

 

 

 

 

EACH SIDE

 

 

 

 

36"

29.5"

 

 

 

 

 

16.25"

 

 

12.25"

 

 

 

 

39"

48"

ROUND TOP TERMINATION

SQUARE CHASE-TOP 24" TERMINATION

42"

48"

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3

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.Anoutsideairkitisavailablewiththisfireplace (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 requiredairspaceswithinsulation 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 sections 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 flooring, 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 opening 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 framing, 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 fallingthrough.Ifthefireplaceistobe 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

minimumof11/2".Theemberprotectorshould 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.

 

43.375”

48.25”

23.50”

 

Figure 1 - Framing Dimensions

 

19.466"

MAINTAIN 3/4"

 

 

CLEARANCE AT

 

 

SIDES AND BACK

27.527"

59.264"

OF FIREPLACE

3/4" CLEARANCE

 

NOT REQUIRED AT

NAILING FLANGES

83.830"

Figure 2 - Corner Installation

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111099-01C

FIREPLACE INSTALLATION

Continued

Note: For outdoor installations, the fireplace enclosuremustallowforadequatedrainageandfresh air ventilation. It is recommended that a sealed, corrosion resistant catch pan with provision for drainage be installed under the fireplace within the fireplace enclosure.

HEARTH EXTENSION

A hearth extension projecting a minimum of 16" in front of and a minimum of 8" beyond each side of the fireplace opening is required to protect combustible floor construction in front of the fireplace.Fabricateahearthextensionusingamaterial which meets the following specifications: a layer of noncombustible, inorganic material having a thermal conductivity of K=0.84 BTU IN/FT, HR. F (or less) at 1" thick. For example, if the material selected has a K factor of 0.25, such as glass fiber, the following formula would apply:

0.25 x 1.0" = 0.30" thickness required

0.84

Thermal conductivity "K" of materials can be obtained from the manufacturer or supplier of the noncombustible material. If the hearth extension istobecovered,usenoncombustiblematerialsuch as tile, slate, brick, concrete, metal, glass, marble, stone, etc. Provide a means to prevent the hearth extension from shifting and seal gap between the fireplace frame and hearth extension with a noncombustible material (see Figure 3).

WARNING:Hearthextension

is to be installed only as shown

in Figure 3.

Seal Gap

Fireplace Front

Ember Protector

Fireplace Front

Raised Hearth

Ember Protector

Fireplace Front

Elevated

Hearth

Extension

Seal Gap

Ember Protector

Figure 3 - Hearth Extension

MANTELS

 

 

 

 

 

A mantel may be installed if desired (see Figure

4). Woodwork such as wood trims, mantels or

any other combustible material projecting from

the front face must not be placed within 12" of

the fireplace opening. Combustible materials

above 12" and projecting more than 1

1

/2" from

 

 

 

 

 

 

the fireplace must not be placed less than 15"

from the top opening of the fireplace (NFPASTD

211, Sec. 7-3.3.3).

 

 

 

Mantels or any other combustible material also

may come up to the side edge of the black metal

face of the fireplace just as long as the projection

from the front face fall within the limit shown in

Figure 4.

 

 

 

 

 

 

 

12

 

/4" Ref.

Combustible

 

1

Material

 

 

 

 

Safe

6"

 

 

 

Zone for

Ref.

33°

 

Projection of

 

 

Combustible

 

 

 

 

 

3" Nom.

Materials

 

 

 

 

15" Min.

1

/2" Max.

 

 

 

 

1

 

 

 

 

 

12"

Min.

Upper

 

Section of

 

 

 

 

 

 

 

 

Fireplace

 

Fireplace

 

 

 

 

Opening

 

 

 

Top View of Fireplace

 

 

 

 

 

 

 

FIREBOX

 

 

8.0"

 

 

 

 

 

 

 

 

 

 

2" Max.

 

SAFE ZONE

3.0"

 

 

33°

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Min. to

 

 

 

 

Perpendicular

Combustible

 

 

Side Wall

 

 

Material Must

 

 

 

12"

 

 

 

Not Overlap

 

 

 

 

 

 

 

 

Front Face

Figure 4 - Mantel Clearances to

 

Combustible Material

 

 

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5

VENTING INSTALLATION

OPTIONAL OUTSIDE AIR KIT (MODEL AK4/AK4F)

The installation of an outside air kit should be performed during the rough framing of the fireplace due to the nature of it's location. Outside combustion air is accessed through a vented crawl space (AK4F) or through a sidewall (AK4).

CAUTION: Combustion air inlet ducts shall not terminate in attic space.

Secure to Collars with Metal Tape, Screws or Straps (Min. of 1/4" x 20" in size)

Air Inlet

Location

Must Allow

For Bushes

or Snow

Vented Crawl Space

(Check Local Codes

Before Installing in a

Vented Crawl Space)

Air Inlet Eyebrow

Vent Hood Required for Wall Installation

Figure 5 - Outside Air Kit

CHIMNEY PIPE

The DESA chimney system consists of 12", 18", 24", 36" and 48" snap-lock, double-wall pipe segments, planned for maximum adaptability to individual site requirements. Actual lengths gained after fitting overlaps must be taken into consideration (lineal gain) and are given in the lineal gain chart (see Figure 6). Lineal gain is the actualmeasurablelengthofapartaftertwoormore partsareconnected.ForCanada,usechimneyparts designated "HT".

WARNING: The opening in the collar around the chimney at the top of the fireplace must not be obstructed.Neveruseblowninsulation to fill the chimney enclosure.

LINEAL GAIN

PART NO.

DESCRIPTION

GAIN

42"

Fireplace

44"

12-8DM

Pipe Section

10 5/8"

12-8HT

 

 

18-8DM

Pipe Section

16 5/8"

18-8HT

 

 

24-8DM

Pipe Section

23 5/8"

24-8HT

 

 

36-8DM

Pipe Section

34 5/8"

36-8HT

 

 

48-8DM

Pipe Section

46 5/8"

48-8HT

 

 

RT-8DM

Round Termination

6 7/8"*

RTL-8DM

Round Termination

7 3/4"*

RTT-8DM

Round Termination

6 7/8" to

with Slip Section

23 1/8"*

 

RTTL-8DM

Round Termination

8 1/2" to

with Slip Section

21 1/2"*

ET-8DM

Square Chase-Top

12"*

ETO-8DM

Square Chase-Top

12"*

 

with Mesh

 

ETL-8DM

Square Chase-Top

7" to 15"*

with Slip Section

ETLO-8DM

Square Chase-Top

12" to

with Mesh & Slip

25 1/2"*

 

Section

 

 

* The lineal gain for the terminations is measured to the flue gas outlet height.

12" Galvanized

 

 

 

 

 

 

 

 

 

Outer Pipe

 

 

 

 

 

 

 

12

3

/8"

 

 

 

 

 

 

Hemmed

Stainless

End

 

Inner Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6 - Lineal Gain

 

ASSEMBLY AND INSTALLATION OF

DOUBLE WALL CHIMNEY SYSTEM

Each double wall chimney section consists of a

galvanized outer pipe, a stainless steel inner flue

pipeandawirespacer.Thepipesectionsmustbeas-

sembled independently as the chimney is installed.

Whenconnectingchimneydirectlytothefireplace,

the inner flue pipe section must be installed first

with the lanced side up. The outer pipe section can

then be installed over the flue pipe section with the

hemmed end up. Press down on each pipe section

untilthelancessecurelyengagethehemonthefire-

placestarter.Thewirewillassuretheproperspacing

between the inner and outer pipe sections.

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