TOA Electronics SSDV-3328 Pitch, If the vent system extends more than 5 feet, 267 mm 451 mm

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One method of support is by utilizing field pro- vided support straps (conventional plumber's tape). Secure the plumber's tape to the framing members with nails or screws. Loop the tape around the vent, securing the ends of the tape to the framing. If desired, sheet metal screws #6 x 1/2" length may be used to secure the support straps to the vent pipe. Refer to Figure 21.

F. Change vent direction to horizontal/inclined run - At transition from or to a horizontal/in- clined run, install the SV4.5E45 and SV4.5E90 elbows in the same manner as the straight vent sections. The elbows feature a twist section to allow them to be routed about the center axis of their initial collar section to align with the required direction of the next vent run element.

Twist elbow sections in a clockwise direction only so as to avoid the possiblity of unlocking any of the previously connected vent sections. See Figure 22.

4-13/16

8-1/8"

(206 mm)

(122 mm)

 

Swivel Joint

Swivel Joint

(360° swivel)

(360° swivel)

SV4.5E45

SV4.5E90

45° Elbow)

90° Elbow)

Figure 22

 

G. Continue installation of horizontal/inclined sections - Continue with the installation of the straight vent sections in horizontal/inclined run as described in Step C. Install support straps every 5 ft. (1.52 m) along horizontal/inclined vent runs using conventional plumber’s tape.

See Page 19, Figure 31. It is very important that the horizontal/inclined run be maintained in a straight (no dips) and recommended to be in a slightly elevated plane, in a direction away from the fireplace of 1/4 " rise per foot (20 mm per meter) which is ideal, though rise per foot run ratios that are smaller are acceptable all the way down to at or near level. Use a carpenter’s level to measure from a constant surface and adjust the support straps as necessary.

It is important to maintain the required clear- ances to combustibles: 1" (25 mm) at all sides for all vertical runs; and 3" (76 mm) at the top, 1" (25 mm) at sides, and 1" (25 mm) at the bottom for all horizontal/inclined runs.

H. Frame roof opening - Identify location for vent at the roof. Cut and/or frame opening per Roof Framing Chart and Figure 23.

 

C

 

 

D

 

Framing Dimensions for Roof

 

Inches (millimeters)

Pitch

C

D

0/12

10-1/2 in.

10-1/2 in.

 

(267 mm)

(267 mm)

6/12

10-1/2 in.

12 in.

 

(267 mm)

(305 mm)

12/12

10-1/2 in.

17 3/4 in.

 

(267 mm)

(451 mm)

Figure 23 - Roof Framing

 

I. Install the roof flashing - Extend the vent sections through the roof structure. Install the roof flashing over the vent section and posi- tion such that the vent column rises vertically (use carpenters level) (Figure 24). Nail along perimeter to secure flashing or adjust roofing to overlap the flashing edges at top and sides only and trim where necessary. Seal the top and both sides of the flashing with waterproof caulking.

J. Install the storm collar - Install the storm collar, supplied with the flashing, over the vent/flashing joint. See Figure 24. Loosen the storm collar screw. Slide collar down until it meets the top of the flashing. Tighten the ad- justing screw. Apply non-combustible caulking or mastic around the circumference of the joint to provide a water tight seal.

Storm

Collar

Figure 24

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

K. Install the vertical termination - The final step involves installation of the SV4.5CGV-1 Vertical Termination. Extend the vent sections to the height as shown in the "Vertical vent ter- mination section" on Page 7. The SV4.5CGV-1 Vertical Termination (Figure 25) can be installed in the exact same fashion as any other Secure Vent section. Align the termination over the end of the previously installed section, adjust- ing the radial alignment until the four locking dimples of the termination are aligned with the inlets of the four incline channels of the last vent section. Push the termination down until it fully engages, then twist the termination clockwise running the dimples down and along the incline channels until they are seated at the end of the channels.

Figure 25

If the vent system extends more than 5 feet (1.5

m)above the roof flashing, stabilizers may be necessary. Additional screws may be used at section joints for added stability. Guide wires may be attached to the joint for additional sup- port on multiple joint configurations.

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Contents 700,043M REV. a 06/2008 OTL Report No -F-29-5Table of Contents Models SSDVT/R-3328Electronic Models Natural and Propane Gas Model SeriesMassachusetts Massachusetts Horizontal Vent Re- quirementsNew York City, New York SIT MillivoltCold Climate Insulation LocationManufactured Home Requirements Vent Termination Clearances Horizontal Vent Termination ClearancesVertical Vent Termination Clearances Roof Pitch FeetCanadian Installation US Installation Meter/regulator assembly= Clearance to service regulator vent outlet Feet 91cm Inches 30cmMinimum Clearances to Combustibles Wall Finishes / Surrounds / MantelsAppliance and Vent Clearances SpacersDetailed Installation Steps Typical Installation SequenceFraming Routing Gas LineFront View Top ViewRight Side View Fireplace Framing specifications Proper Sizing of Gas LineSchedule 40 / Black Iron Pipe Length feetInstall the Vent System General Information Installation of Vent RestrictorThese fireplaces must be vented directly to the outside Select Venting System Horizontal or VerticalVertical Termination Systems Roof Vertical Straight InstallationEffective Vent Length Vertical Offset Installation Attach vent components to each otherPitch If the vent system extends more than 5 feet10-1/2 267 mm 305 mm 267 mm 451 mmVertical Vent FIGURES/TABLES 610 305 219 829 914 438Table B Maximum Minimum Feet Meter 524 Elbow Only 305 048 610 572 914 096 219Table C Maximum Minimum Feet MeterMeter 524 610 305 048 219 572 829 914 096 438 Table D + H1 Maximum MinimumSee on Page 14 or on Install the Square Termination SV4.5HT-2 or SF4.5HT-2 Install Firestop/Spacer at exterior wallSee on Page 11 for Min Horizontal Vent FIGURES/TABLES Horizontal Vent Figures / Tables Square termination SV4.5HT-2 shown Install the Outer Flex Pipe Pull and extend outer flexible vent pipeFlexible Vent Section Attach Flex Vent to TerminationField Wiring Wiring Optional Forced Air Blower KitSIT and Honeywell Millivolt Wiring See FigureConnecting Gas Line Schematic Representation OnlyReinstalling Control Compartment Door Checking Appliance Opera- tionSIT and Honeywell Millivolt Appliance Checkout SIT Gas ValveElectronic Appliance Checkout Install Logs, Volcanic StoneGlowing Embers Firebox Accessories / Parts Glowing EmbersInstalling the Glass Door Installing Glass Enclosure PanelsBurner Adjustments Flame Appearance and sooting Air Shutter Adjustment GuidelinesBurner Air Shutter Adjustment Procedure Hood InstallationFinishing Requirements Wall Details Refer to FigureCat. No Model Description Cat. No Closed Top Shroud Termination KitsListed Secure Flex Components Model DescriptionListed Secure Vent Components All compressed flex vents can be expanded up to two timesAdjusting Knob Millivolt Appliances SIT SystemsSIT Millivolt Gas Valve Pilot for SIT Millivolt Gas ValveIgnitor Assembly Flare Nut Clip

SSDV-3328 specifications

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