Desa (V)G42HR/50HR Venting Installation, Optional Outside air Kit Model ak4/ak4f, Chimney Pipe

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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 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. 1/4" x 20" size)

Air Inlet

Location

Must Allow

For Bushes

or Snow

 

Air Inlet

 

Eyebrow

Vented Crawl Space

Vent Hood

Required for

(Check Local Codes

Wall Installation

Before Installing in a

 

Vented Crawl Space)

 

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 actual measurable length of a part after two or more parts are connected. For Canada, use chimney parts designated "HT".

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

LINEAL GAIN

PART NO.

DESCRIPTION

GAIN

Georgian

Fireplace

66 1/2"

12-12DM

Pipe Section

10 5/8"

12-12HT

 

 

18-12DM

Pipe Section

16 5/8"

18-12HT

 

 

24-12DM

Pipe Section

23 5/8"

24-12HT

 

 

36-12DM

Pipe Section

34 5/8"

36-12HT

 

 

48-12DM

Pipe Section

46 5/8"

48-12HT

 

 

RLT-12D

Round Termination

7 3/4"*

RLT-12HT

 

 

STL-12D

Square Chase-Top

7" to 15"*

 

with Slip Section

 

*The lineal gain for the terminations is mea- sured to the flue gas outlet height.

15" 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 pipe and a wire spacer. The pipe sections must be as- sembled independently as the chimney is installed. When connecting chimney directly to the fireplace, 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 until the lances securely engage the hem on the fire- place starter. The wire will assure the proper spacing between the inner and outer pipe sections.

Continue to assemble chimney sections as outlined above, making sure that both the inner and outer pipe sections are locked together. When install- ing double wall snap-lock chimney together, it is important to assure the joint between the chimney sections is locked. Check by pulling chimney upward after locking. The chimney will not come apart if properly locked. It is not necessary to add screws to keep the chimney together (exception, see Figure 9, page 8).

109493-01Nwww.desatech.com

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Contents Save this Book Safety Information Table of ContentsModels SpecificationsRound TOP Termination Framing Fireplace InstallationSelecting location Minimum clearance to combustiblesMantels Hearth ExtensionChimney Pipe Venting InstallationAssembly and installation of double wall chimney system Optional Outside air Kit Model ak4/ak4fElbow SET only Using Elbow offsets 30E-12DMFirestop Spacers FS-10 Flashing installation v6f-10dm or v12f-10dmPenetrating the roof Installing Flashing on a Metal Roof Chase installationsFoot rule Optional Gas Line InstallationFinishing the fireplace Installing Door Frames Glass Door InstallationGlass Doors Operation Maintenance GuidelinesInstalling glass doors Door AdjustmentOutside air and damper handle operation Technical ServiceHerringbone Brick Liner Replacement PartsEmber Protector EP-36 Ash Box StandarD Brick Liner Offset and Return AccessoriesBi-Fold Glass Door Double Wall Pipe 12-12DM

(V)G42H/50H, (V)G42/50, (V)G42R/50R, (V)G42HR/50HR specifications

Desa (V)G42/50, (V)G42HR/50HR, (V)G42R/50R, and (V)G42H/50H represent a series of advanced heating solutions designed to meet varied thermal requirements while ensuring energy efficiency and user comfort. Each model in this range boasts its unique features that cater to specific needs, providing versatility for residential and commercial applications.

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In summary, the Desa (V)G series offers a comprehensive lineup of heating solutions with advanced technology and features designed for efficiency, comfort, and adaptability. From standard models to high-capacity and radiant heating systems, each unit addresses unique heating challenges, making them suitable for diverse applications while prioritizing energy conservation and user satisfaction.