Lennox Hearth Products LSS-35CN Installation Instructions Manual
Direct vent spectra series vented gas fireplace heaters
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- Homeowner's care and operation instructions manual (16 pages) ,
- Installation instructions manual (32 pages) ,
- Care and operation instructions manual (28 pages)
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LENNOX HEARTH PRODUCTS
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
This appliance may be installed in an aftermar-
ket permanently located, manufactured home
(USA only) or mobile home, where not prohib-
ited by local codes. This appliance is only for
use with the type of gas indicated on the rating
plate. This appliance is not convertible for use
with other gases, unless a certified kit is used.
WARNING: IF THE INFORMATION IN THIS MANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING PROPERTY DAM-
AGE, PERSONAL INJURY OR LOSS OF LIFE.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicin-
ity of this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• DO NOT use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow your gas suppliers
instructions.
• If your gas supplier cannot be reached, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
OTL Report No. 116-F-02-05
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
INSTALLATION
INSTRUCTIONS
DIRECT VENT
SPECTRA SERIES
VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS
P/N 850,016M REV. H 08/2007
MODELS
LSS-35CN
LSS-35CP
A French manual is available upon request. Order Form Number
850,016CF.
Ce manuel d'installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 850,016CF.
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE
LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE
BLESSURE OU LA MORT.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni utiliser
d'essence ni d'autre vapeurs ou liquides inflammables
dans le voisinage de cet appareil ou de tout autre
appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez une
odeur de gaz:
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones se trouvant dans le batiment où
vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service dos incendies.
L'installation et service doit être exécuté par un qualifié
installeur, agence de service ou le fournisseur de gaz.
LSS-40CN
LSS-40CP
1
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Table of Contents
Related Manuals for Lennox Hearth Products LSS-35CN
Summary of Contents for Lennox Hearth Products LSS-35CN
- Page 1 INSTALLATION INSTRUCTIONS DIRECT VENT SPECTRA SERIES VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS LENNOX HEARTH PRODUCTS P/N 850,016M REV. H 08/2007 MODELS INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference. LSS-35CN LSS-40CN LSS-35CP...
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Page 2: Table Of Contents
This installation manual will help you obtain a These appliances are listed by Omni-Test TABLE OF CONTENTS safe, efficient, dependable installation for your Laboratories for installation in bedrooms and appliance and vent system. mobile homes. Packaging ........page Introduction ........page The Installation must conform to local codes Please read and understand these or, in the absence of local codes, with the... -
Page 3: Location
TYPICAL INSTALLATION Table 1 shows the units' gas orifice size for Carbon Monoxide Poisoning: Early signs of the elevations indicated. carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Turn off the gas sup- ply to the appliance and have it serviced by a qualified professional, as it may not be . -
Page 4: Appliance And Vent Clearances
VERTICAL VENT HORIZONTAL VENT TOP VENT APPLICATIONS Typical Locations Figure 2 The location should also be free of electrical, plumbing or other heating/air conditioning duct- ing. These direct vent appliances are uniquely suited for installations requiring a utility shelf positioned directly above the fireplace. Utility shelves like these are commonly used for locat- ing television sets and decorative plants. - Page 5 FIREPLACE FRAMING SPECIFICATIONS **FRAMING WITH SQUARE HORIZONTAL TERMINATIONS (SV4.5HT) Framing should be constructed Framing Dimensions of 2x4 or larger lumber. VENT FRAMING - TOP VENT WITH ONE 10-1/2 6” SECTION AND ONE 90° ELBOW . n i . n i (178) 12-1/8 (308)
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Page 6: Facing Requirements
FACING REQUIREMENTS Figure 6 Figure 7 Non-Combustible Requirements NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. -
Page 7: Hearth Requirements
HEARTH REQUIREMENTS Figure 8 Figure 9 RAISED FIREPLACE NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. -
Page 8: Fireplace Specifications
FIREPLACE SPECIFICATIONS 3 (76) 3 (76) FRAMING SPACERS 11 ¹⁄₄ (286) CONCENTRIC FLUE Combustion Air - 7 ¹⁄₂ (190) 1 (25.4) 8 ¹¹⁄₃₂ Flue - 4 ¹⁄₂ (114) (211) 1/2” Spacers 3 (76) Vent Restrictor Adjustment Rod (25.4) (76) GAS INLET (BOTH SIDES) 2 ⁹⁄₁₆... -
Page 9: Vent Termination Clearances
VENT TERMINATION CLEARANCES Horizontal Vent Termination Clearances These instructions should be used as a guide- All horizontal terminations Combustible Projection line and do not supersede local codes in any may be located as close 2-1/2 inches or less in length way. - Page 10 EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS See Item D in the Text Below. Center Line Exterior Wall Inside of Termination Corner Detail *18” Horizontal Termination 18” Ventilated Soffit Inside Corner = 9” in U.S. = 12” in Canada Detail D 3 ft.
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Page 11: Step 2. Routing Gas Line
Step 2. ROUTING GAS LINE Massachusetts And New York City, NY Some local jurisdictions may require the gap Requirements between the outer wall of the vent system Route a 1/2" (13 mm) gas line along the inside and the firestop penetration opening to be of the right side framing as shown in Figure 13 . -
Page 12: Vent Section Length Chart
Vertical (Straight) Installation i t c i t c Determine the number of straight vent sec- i t c i t c tions required. 4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2" (572 mm), 34-1/2" (876 mm) and 46-1/2" (1181 mm) net section lengths are available. - Page 13 Where required, a telescopic vent section Push the vent component against the previous First Vent Component (SV4.5LA) may be used to provide the in- section until it fully engages, then twist the Align the dimple (four places) staller with an option in installing in tight and component clockwise running the dimples down with the opening of the locking incline channel on appliance...
- Page 14 F. Change vent direction to horizontal/in- clined run - At transition from or to a horizon- Storm tal/inclined run, install the SV4.5E45 and Collar 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.
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Page 15: Vertical Vent Tables And Figures
VERTICAL VENT FIGURES/TABLES Note: Secure Vent (rigid vent pipe) is shown in the figures; Secure Flex (flexible vent pipe) may also be used. WARNING: UNDER NO CIRCUM- STANCES MAY SEPARATE SECTIONS *Ceiling Firestop/Spacer OF CONCENTRIC FLEXIBLE VENT PIPE (SV4.5VF) BE JOINED TOGETHER. Note: It is very important that the horizontal/ inclined run be maintained in a straight (no dips) and recommended to be in a slightly... -
Page 16: Horizontal Termination System
HORIZONTAL (OUTSIDE WALL) TERMINATION SYSTEM TYPICAL HORIZONTAL VENT INSTALLATION Support Horizontal / Inclined Run Brackets Building Figure 28, and Figures 31 to 33 on pages 16, SV4.5 HT Support 18 and 19 and their associated Horizontal Vent Termination Framing Table illustrate the various horizontal venting SV4.5E90 configurations that are possible for use with Elbow... - Page 17 It is important to maintain the required clear- Firestop/Spacer (SV4.5HF) shown ances to combustibles: 1" (25 mm) at all sides on the exterior side of the wall. It for all vertical runs; and 3" (76 mm) at the top, may also be installed on the SV4.5 HT interior side.
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Page 18: Horizontal Vent Tables And Figures
HORIZONTAL VENT FIGURES/TABLES Note: 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 Note: Secure Vent components (rigid vent 1/4"... - Page 19 HORIZONTAL VENT FIGURES/TABLES (continued) *Wall Firestop/Spacer (SV4.5HF) H + H *Wall Firestop/Spacer (SV4.5HF) **Ceiling Firestop/Spacer (SV4.5VF) Square termination (SV4.5HT-2) shown. See Table 3 on page 18 as an aid in venting component selection for a particular range of exterior wall thicknesses. Figure 32 - Top Vent - TWO 90 DEGREE ELBOWS *Ceiling...
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Page 20: Venting Using Flexible Vent Pipe
VERTICAL OR HORIZONTAL VENTING USING SECURE FLEX KITS AND COMPONENTS FLEX VENT NOTE: OUTER PIPE IS PULLED AWAY TO SHOW THE DETAIL OF THE INNER PIPE Secure Flex venting kits and components may SECURING SCREW be used in any venting application where rigid (3 PLACES EQUIDISTANT JUST BELOW GEAR CLAMP) Secure Vent (SV4.5) direct vent components... -
Page 21: Step 4. Field Wiring
Step 4. FIELD WIRING A manual shut off valve is also provided with the flex line. The gas control valve is located in the lower control compartment (refer to Note: This appliance must be connected to the Figure 44) . The RF control millivolt valve main power supply. -
Page 22: Comfort Control Valve
INSTRUCTIONS FOR RF COMFORT Screw Cap Of Pilot Piezo Ignitor CONTROL VALVE Adjustment The Comfort Control Valve allows remote con- trol of temperature, fan and flame appearance. Note: The antenna should hang in free air and away from any grounded metal. Operation ( refer to Figure 39 ) Step 1. - Page 23 In the AUTO mode, the fan speed will increase 2. Once steps 1 thru 3 in OPERATION are If an Error Code 8 is observed while perform- completed, receiver/valve and transmitter are with increasing flame height or decrease with ing the testing, complete the following: now ready.
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Page 24: Step 6. Installing Ceramic Panels
Comfort Valve System Control Sequence Of Operation With Transmitter Honeywell Gas Valve Piezo Ignitor Honeywell RF Control Millivolt Gas Valve Showing Piezo Ignitor Location Figure 44 Typically, the top 3/8" of the thermopile should be engulfed in the pilot flame ( Figure 45 ). To adjust pilot burner;... -
Page 25: Step 9. Burner Adjustments
Position the door in front of the firebox opening Sooting is indicated by black puffs developing at Burner the tips of very long orange flames. Sooting with the bottom of the door held away from the Venturi Tube results in black deposits forming on the logs, fireplace (Figure 46 ). -
Page 26: Finishing Requirements
FINISHING REQUIREMENTS Wall Details MANTEL CLEARANCES Inches (mm) Complete finished interior wall. To install the appliance facing flush with the finished wall, 12 (305) MANTEL position framework to accommodate the thickness of the finished wall ( Figure 48 ). 10 (254) MANTEL 8 (203) MANTEL This Area Must Remain Clear of... -
Page 27: Installation Accessories
INSTALLATION ACCESSORIES t s i ™ t s i ™ i t r i t a i t r t a l h t i , r e i t c , t n r a l , y l , e r . -
Page 28: Gas Conversion Kits
GAS CONVERSION KITS WARNING: THIS CONVERSION KIT SHALL BE AVERTISSEMENT: CET ÉQUIPEMENT DE CONVERSION INSTALLED BY A QUALIFIED SERVICE AGENCY IN SERA INSTALLÉ PAR UNE AGENCE QUALIFIÉE DE SERVICE ACCORDANCE WITH THE MANUFACTURER'S IN- CONFORMÉMENT AUX INSTRUCTIONS DU FABRICANT ET STRUCTIONS AND ALL APPLICABLE CODES AND TOUTES EXIGENCES ET CODES APPLICABLES DE REQUIREMENTS OF THE AUTHORITY HAVING JU-... - Page 29 Step 5. Convert the Honeywell RF Comfort Control MOTOR COVER Valve as follows: RED SCREW (LP/propane) a. Access the gas selector by removing the motor cover. Refer to Figure 52. BLUE SCREW (NATURAL GAS) b. Using a slot-type screwdriver, push the gas selector down and rotate until the arrows on it GAS SELECTOR SCREW point to the correctly colored screw: red for...
- Page 30 Pilot for the Honeywell RF Comfort Control Valve Rear Main Burner Orifice (Loosening of Hex Fitting For Orifice Strip Tab Positioning) Front Main Hood Alignment Burner Orifice Hood 7/16 in. Open End Wrench Orifice Strip Tab Gas Valve Take Care Not to Contact the Orifice Strip Tab with the Hex Fitting Wrench - Distortion of the Tab May Render the Pilot Inoperative.
- Page 31 Step 8. Reassemble all removed components Step 10. Turn on gas supply and test for gas leaks, using a gas leak test solution. by reversing the procedures outlined in the THIS APPLIANCE HAS BEEN CONVERTED TO: NATURAL GAS preceding steps. Use pipe joint compound or INPUT BTU/HR –...
- Page 32 Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information. Printed in U.S.A. © 2002 by Lennox Hearth Products P/N 850,016M REV.
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