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INSTALLATION

Venting Installation Precautions Venting Installation

INSTALLATION

WARNING: Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life.

NOTICE: Failure to follow these instructions will void the warranty.

VENTING INSTALLATION PRECAUTIONS

Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installa- tion. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.

Only a qualified service person should install venting system. The installer must follow these safety rules:

Wear gloves and safety glasses for protection

Use extreme caution when using ladders or when on roof tops

Be aware of electrical wiring locations in walls and ceilings

The following actions will void the warranty on your venting system:

Installation of any damaged venting component

Unauthorized modification of the venting system

Installation of any component part not manufactured or approved by DESA

Installation other than as instructed by these instructions

3.When installation of vent pipe is complete, in stall vent termi- nation. Depending on the location of your fireplace, you will vent vertically or horizontally.

4.Allow 1" of pipe to protrude from internal wall, depending on wall thickness. See Figure 7.

5.For horizontal installation, an optional siding standoff may be installed between the vent cap and the exterior wall. Secure horizontal vent cap to standoff. Secure standoff/vent cap as- sembly to wall (see Figure 7). Do not seal termination to vent pipe. The vent termination must be removable for service pipe inspection.

6.For vertical installation, a vertical termination is available. Also for vertical venting application, install vertical flue restrictor into inner collar of fireplace as shown in Figure 6.

When installing a length of pipe for vertical termination that is over 3 ft., support the pipe every 3 ft. using metal wall straps. Vertical to horizontal pipe must be kept at a 1 ft. to 4 ft. ratio with a maximum run of no more than 20 ft.

Female Locking Lugs

Male Locking

Lugs

Vertical Flue Restrictor

(For Vertical Venting

Application)

WARNING: This gas fireplace and vent assembly must be vented directly to the outside. The venting system must NEVER be attached to a chimney serv- ing a separate solid fuel burning appliance. Each gas appliance must use a separate vent system. Do not use common vent systems.

WARNING: Horizontal sections of this vent sys- tem require a minimum clearance of 2" from the top of the pipe and 1" minimum to the sides and bottom. Vertical sections of this system require a minimum of 1" clearance to combustible materials on all sides of the pipe.

VENTING INSTALLATION

1.Install elbow to fireplace collar adapter located on back of the unit at a 45° angle. Slide elbow over collar and twist to lock. Check to insure proper connection (see Figure 6).

2.Continue to install remainder of pipe for desired installation. Make sure each section is twist-locked securely.

Figure 6 - Venting Installation

Direct-Vent Pipe

CD32M and CD36M-A

4 1/4" Inner and 7 1/4" Outer

CD42M-A

5" Inner and 8" Outer

Wall

Firestop

Maintain 1" Minimum Air Space Around Outer Pipe when Penetrating a Wall

Framed Openings

CD32M and CD36M-A

10" x 10"

CD42M-A

10 3/4" x 10 3/4"

Siding Standoff (Optional)

Minimum Pipe

Overlap 1 1/4"

Deflector Shield

Screws

Horizontal

Termination

(Vent Cap)

Exterior Wall with

Vinyl Siding

Figure 7 - Vent Termination (Horizontal)

For..com

111916-01D

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Desa CD42M (-A)(-A2), CD36M, CD32M, CD42M installation manual Venting Installation Precautions