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INSTALLATION
INSTRUCTIONS
DIRECT VENT
SSDV-3328 SERIES
This appliance may be installed in an aftermarket
permanently located, manufactured home (USA DIRECT VENT GAS FIREPLACE HEATERS
only) or mobile home, where not prohibited by
P/N 700,043M REV. A 06/2008
local codes. This appliance is only for use with
the type of gas indicated on the rating plate. This
MODELS
appliance is not convertible for use with other
gases, unless a certified kit is used.
Millivolt Models Electronic Models
SSDVT
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The Millivolt appliances have a millivolt Both millivolt and electronic versions of TABLE OF CONTENTS gas control valve with piezo ignition system these appliances are listed by OMNI-Test Packaging .........................................Page 2 which provides safe, efficient operation. If any Laboratories for installation in bedrooms optional accessories that will require electrical and Manufactured Homes. Introduction ......................................Page 2 power are to be installed,
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These appliances are designed to operate on Gas Pressure - All Models These appliances must be isolated from the natural or propane gas only. To operate on Tables 3, 4 and 5 show the appliances' gas gas supply piping system (by closing their Propane Gas a field converion is necessary pressure requirements: individual manual shut-off valve) during any (see Pages 34 to 36). Do not use any other pressure testing of the gas supply piping fuels. The use of other fuels, or combination In
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O T I O O L O I P L I T P O O N IGNITER OFF ON CONTROL it TPTH TP TH L O L I P F LO F Massachusetts Horizontal Vent Re- SIT Millivolt Gas Valve Honeywell Electronic Gas Valve quirements HI/LO Variable Manifold Pressure ON / OFF Switch In the Commonwealth of Massachusetts, Inlet Pressure Tap Flame Height Port Inlet Adjustment horizontal terminations installed less than Manifold Pressure Tap Pressure seven (7) feet above the finished grade Port must comply with the following additional r
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To provide for the lowest possible shelf surface COLD CLIMATE INSULATION LOCATION use the alternate rear vent outlet with attached venting routed in a way to minimize obstructions For cold climate installations, seal all cracks In selecting the location, the aesthetic and to the use of the space above the appliance. Do around the appliance with noncombustible functional use of the appliance are primary not insulate the space between the appliance material and wherever cold air could ente
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REAR VENT APPLICATION MANUFACTURED HOME REQUIREMENTS This appliance may be installed in an after- market permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes. Cet appareil peut être installé dans un maison préfabriquée (É.-U. seulement) ou mobile déjà installée à demeure si les réglements locaux le permettent. Manufactured Home installations must be installed in accordance with these instructions and the following standards / codes: •
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VENT TERMINATION CLEARANCES Horizontal Vent Termination Clearances These instructions should be used as a guide- The horizontal vent termination must have a minimum of 3" (76 mm) clearance to any overhead line and do not supersede local codes in any combustible projection of 2 1/2" (64 mm) or less. For projections exceeding 2 1/2" (64 mm), see way. Install vent according to local codes, Figure 6. All horizontal terminations may be located as close as 6" (152mm) to any combustible these i
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V EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS NOTE: Local Codes Or Regulations May Require Different Clearances. * See Item D in the Text Below. P N N Center Line NOTE: Location Of The Vent Termination Exterior Wall Inside of Termination Must Not Interfere With Access To The Corner Detail O Electrical Service. *18 V V G Q Horizontal Termination V 18 Ventilated Soffit A Inside Corner = 9 in U.S. A = 12 in Canada Detail D H 3 ft. B B D X C A A V V L Fixed V Operable Closed Windo
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MINIMUM CLEARANCES TO COMBUSTIBLES Appliance and Vent Clearances Hearth Extension - A hearth extension is not required with this appliance. If a hearth extension is The appliance is approved with zero clearance to used, do not block the lower control compartment door. Any hearth extension used is for appearance combustible materials on all sides (as detailed only and does not have to conform to standard hearth extension installation requirements. in Table 8), with the following exception: Wh
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Step 4. (Page 25) Field Wiring DETAILED INSTALLATION STEPS a. Millivolt Appliances – Install the operating The appliance is shipped with all gas controls control switch (not factory provided) and and components installed and pre-wired. Re- bring in electrical service line for forced air move the shipping carton, exposing the front circulating blower (optional equipment). Unit Nailing Flange glass door. Remove the top and bottom louvered Side b. Electronic Appliances – Field wire and inst
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FIREPLACE SPECIFICATIONS FRAMING WITH SQUARE HORIZONTAL TERMINATION (SV4.5HT-2) Notes Due to Lennox' ongoing commitment to quality, VENT FRAMING - Framing should be constructed all specifications, ratings and dimensions are TOP VENT WITH ONE subject to change without notice. 10-1/2 of 2 x 4 or larger lumber. 90¡ ELBOW (267) VENT FRAMING - Vent Size REAR VENT WITH NO ELBOWS 4-1/2" Inner Co-axial DV Vent Size 7 7-1/2" Outer (178) 5-1/8 12-1/8 (130) (308) Vertical Venting Through the Ceiling: Fr
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FIREPLACE FRAMING SPECIFICATIONS Note- Venting requirements for rear vent applications in corner installations - SV4.5HT-2 Termination - the horizontal vent length a to b, must not exceed 28 inches (711 mm) Framing should be constructed of b 2x4 or larger lumber. SV4.5HTSS & SV4.5HTSSL 7 (178) *These dimensions occur when one 45 Termination degree elbow is connected directly to the appliance collar and the unit moved 1/2 in. (13 mm) into the room. This 1/2 in. *F = 5 in. b movement is required
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Installation of Vent Restrictor Step 3. INSTALL THE VENT SYSTEM VENT RESTRICTOR INSTALLATION (REAR VENT) A vent restrictor may be needed with this appliance, General Information A vent restrictor may be needed when horzon- install vent restrictor (provided) in the appliance top These instructions should be used as a guide- tally terminating the vent system from the rear flue outlet as shown in Figure 16 (SSDVT-3328 ) line and do not supersede local codes in any of the appliance (when using
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VERTICAL TERMINATION SYSTEMS (ROOF) VENT SECTION LENGTH CHART VENT SECTION LENGTH CHART Nominal 6 12 24 36 48 T Nominal Section 6 12 24 36 48 VENT SECTION LENGTH CHART Figure 21 (Page 15), and Figures 26 to T O Section Length Length (inches) O VENT SECTION LENGTH CHART T Nominal Section 30 (Pages 17 and 18) and their associated T 6 12 24 36 48 (inches) T O Length (inches) Nominal T Net Section 4 ½ 10 ½ 22 ½ 34 ½ 46 ½ A Vertical Vent Tables illustrate the various verti- T A Section Length 6
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B. Attach vent components to appliance To add another vent component to a length of Vertical (Offset) Installation vent run, align the dimpled end over the inclined - Secure Vent SV4.5 direct vent system compo- Analyze the vent routing and determine the channel end of the previously installed section, nents are unitized concentric pipe components quantities of vent sections and number of elbows adjusting the radial alignment until the four lock- featuring positive twist lock connections (se
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One method of support is by utilizing field pro- K. Install the vertical termination - The final step involves installation of the SV4.5CGV-1 vided support straps (conventional plumber's Vertical Termination. Extend the vent sections tape). Secure the plumber's tape to the framing to the height as shown in the "Vertical vent ter- members with nails or screws. Loop the tape around the vent, securing the ends of the tape C mination section" on Page 7. The SV4.5CGV-1 to the framing. If de
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VERTICAL VENT FIGURES/TABLES Table A Note: Secure Vent (rigid vent pipe) is shown u When using Secure Flex, use Firestop / in the Figures; Secure Flex (flexible vent pipe) V Minimum H Maximum Spacer SF4.5VF. may also be used. feet (meter) feet (meter) 2 (0.610) 1 (0.305) WARNING 4 (1.219) 2 (0.610) Under no circumstances, may sepa- 6 (1.829) 3 (0.914) rate sections of concentric flexible 8 (2.438) 4 (1.219) vent pipe be joined together. V + H = 40 feet (12.2 meters) Max. Notes:
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VERTICAL VENT FIGURES/TABLES (CONTINUED) Table C H1 H+H Maximum H Maximum V Minimum 1 feet (meter) feet (meter) feet (meter) 5 (1.524) 2 (0.610) 1 (0.305) Ceiling u Firestop / Spacer 10 (3.048) 4 (1.219) 2 (0.610) (SV4.5VF) 15 (4.572) 6 (1.829) 3 (0.914) 20 (6.096) 8 (2.438) 4 (1.219) Wall Firestop/ v V + V + H + H = 40 feet (12.2 m) Max Spacer (SV4.5HF) 1 1 H = 8 feet (2.438 meters) Max. V1 Ceiling u H + H = 20 feet (6.096 meters) Max. Firestop / Spacer 1 (SV4.5VF) u When using Secure
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Support Brackets Building Support Horizontal / Inclined Run Framing SV4.5HT-2 Termination SV4.5E90 Shown Elbow SV4.5L6/12/24/36/48 Vent Sections Exterior Ceiling u Firestop / Spacer Wall Vertical SV4.5VF Support Bracket Spacing Rise Every 5 ft (1.52 m) u When Using Secure Flex, Use Firestop / Spacer SF4.5VF SV4.5HT-2 Termination See Figure 18 on Page 14 or Figure 21 on Shown Page 15 for vertical vent section support. Fireplace Figure 31 - TYPICAL HORIZONTAL VENT INSTALLATION B. Frame exterior
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J. Assemble vent run to exterior wall - If not To help minimize water infiltration it is previously measured, locate the center of the recommended that the Firestop/Spacer (SV4.5HF) be installed on the exterior vent at the exterior wall. Prepare an opening as side of the wall. described in Step B. Assemble the vent system SV4.5 HT-2 to point where the terminus of the last section is Termination 7" (178) located relative to the exterior surface to which 12 ¹⁄₈" 10 ¹⁄ ₂" (308 mm) (267mm) the
