Vermont Casting 3360, 3399 Venting System Assembly - Direct Vent, General Information, 20004188

Venting System Assembly - Direct Vent

General Information

The Radiance is approved for installation only with the vent components listed on Page 11. Follow the vent component instructions exactly.

For U.S. installations: The venting system must con- form with local codes and/or the current National Fuel Gas Code, ANSI Z223.1/NFPA 54.

For Canadian installations: The venting system must

conform to the current CSA B149.1 installation code.

Install the Vent Adapter Pipe

(CFM Corporation Vent Components)

1.Install the Restrictor Plate. Consult Page 7, Figure 8 to determine whether the restrictor plate is needed. If so, place the restrictor plate within the inner flue collar as shown in Figure 18.

ST647

Fig. 18 Install the restrictor plate only if required for the vent- ing configuration. Refer to Page 7.

2.Attach Inner Starter Pipe, (found in with the log- set), to the next section of inner pipe.

•Run a bead of sealant about 1/2” from the upper end of the Inner starter pipe and join the two sec- tions together.

•Drill three pilot holes into the Inner Starter and secure the assembly with three sheet metal screws. (Fig. 19)

3.Dry fit the Inner Pipe assembly to the stove for the purpose of determining the center line of the pipe on the wall.

•Side Wall Terminations: Dry fit the outer elbow with the vertical outer vent and confirm the centerline alignment with the wall thimble opening.

Radiance Direct Vent /Natural Vent Gas Heater

4.Attach the Inner Vent Assembly to the stove.

• Run a bead of sealant around the bottom end of the starter pipe and attach the assembly to the stove using three 1/4-20 x 3/8” Phillips screws provided in the parts bag. (Fig. 20)

First Section of

Vent Pipe

1/4”-20 x 1/2” Phillips Screw

4” Inner	CEMENT
Starter
Pipe

ST211

Fig. 19 Connect the inner starter with the next section of inner vent pipe.

CEMENT

Fig. 20 Attach inner assembly to flue collar.

5.Install the Outer Adapter Pipe. Insert the pipe over the stove flue collar, keeping the vertical seam oriented to the back of the stove. Also, be sure to align holes on the pipe with the holes on the flue collar of the firebox. Fasten the pipe to the holes in the flue collar with the #12 x 1/2” sheet metal screws provided. (Fig. 21)

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