Lennox Hearth CVF-NG manual

Report No. 317-F-09-5 IN ST AL LA TI ON AN D OP ER A TIO N MA NU AL Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance. WHA T 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[...]

2 • Children and adults should be alerted to the hazard of high surface temperature and should stay away to avoid burns or clothing ignition. • Y oung children should be carefully super vised when they are in the same room with the heater . • Do not place clothing or other flammable material on or near the heater . • Any safety screen or g[...]

3 2.0 GENERAL INFORMA TION This appliance is a high efficiency , unvented, flame effect gas heater . It provides radiant and convected warmth both efficiently and safely utilizing the latest type catalytic convertor burner technology . The appliance does not require a flue system of any type as the catalytic converter cleans the flue products [...]

6.0 BURN-IN PERIOD 4 On initial light up of a new appliance, the ‘newness’ will burn off within the first few hours of operation. During this period some smoke may be emitted from outlet grill, this should be no cause for concern. Accord- ingly , the room should be well ventilated with all windows and doors open during this period. Depending o[...]

5 8.0 COMBUSTION AND VENTILA TION AIR This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventil ation air . The heater may be located in unusually tight construction provided the space is unconfined, or if confined, is provided with two permanent openi[...]

9.0 SITE REQUIREMENTS This appliance is designed to be wall-hung. Do not recess any part of the appliance into the wall. This appliance may be installed in any room in a home except bedrooms or bathrooms - or areas where large amounts of steam are likely to be generated. It should be noted that heaters create warm air currents. These currents move [...]

Figure 1 - Gas Supply Entr y Points 10.0 PREP ARING THE APPLIANCE IMPORT ANT NOTE: All gas piping must be done by a licensed plumber or gas fitter and must conform to the requirements of the National Fuel Gas Code NFP A 54 / ANSI Z223.1 - latest edition Gas connection: The heater gas inlet connection is 3/8” NPT at the regulator , located below [...]

Figure 3 11.0 MOUNTING THE APPLIANCE - continued Before tightening the wall-mounting screws fully , at this stage it is recommended to check the horizontal alignment of the appliance with a spirit level, as small adjustments can still be made if necessar y . When this has been checked, tighten all four fixing screws fully . T o access the upper fix[...]

Retaining clip Burner (Manifold) Pressure Regulator Pressure Setting T urn on gas supply and test for gas leaks using a gas leak test solution (also referred to as bubble leak solution). NOTE: using a soapy water solution (50% dish soap, 50% water) is an effective leak test solution, but it is not recommended, because the soap residue that is left [...]

Figure 10 Figure 11 Figure 12 16.0 SP ARK GAP The gap between the spark electrode and the pilot should be 1/8” to 3/16” to produce a good spark. There should be no need to adjust this (DO NOT A TTEMPT TO ADJUST THE GAP). If under any cir cumstances the piezo electric spark fails, the pilot cannot be lit manually . 17.0 FITTING THE DECORA TIVE G[...]

11 19.0 SERVICING (continued) 3. Remove the glass door assembly (4 screws) and clean carefully . Detach the burner front cover plate by removal of the four retaining screws. 4. Inspect the burner and the catalysts and clean if necessar y with a soft brush. 5. Disconnect the gas supply . IMPORT ANT NOTE: This must be done by a licensed plumber or ga[...]

23.0 TESTING FOR FIREBOX LEAKAGE Appliances that are several years old or have been extensively dismantled should be checked for soundness. It is important that all the products of combustion pass through the catalytic convertors at the top of the firebox before leaving the appliance. The firebox is heated by lighting for a few minutes to provide[...]

13 FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTL Y , A FIRE OR EXPLOSION MA Y RESUL T CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance has a pilot which must be lit with a piezo spark igni ter . When lighting the pilot, follow these instructions exactly . B. BEFORE OPERATING [...]

14 26.0 TROUBLESHOOTING GUIDE PROBLEM CORRECTIVE ACTION Igniter sparks but pilot does not light • No gas to Pilot, check the gas line connections. • Air not fully purged. Purge supply or wait longer . • Spark grounding to metal work, reset gap correctly . • Blocked pilot, clean out internally . Pilot lights but then goes out • Severe rest[...]

15 27.0 REPLACEMENT P ARTS - Elite CVF - NG and Elite CVF - LP Item # Cat. No. Description 1 H7009 Glass Door Assembly 2 H6060 Catalyst 3 H6061 Pilot Assembly , Natural Gas 4 H6999 Pilot Assembly , Propane Gas 5 H7010 Burner Assembly , Natural Gas 6 H7011 Burner Assembly , Propane Gas 7 H6062 Catalyst Gasket 8 H7007 Decorative Glass Facia 9a H7002 [...]

16 Figure 16 - Visual check for correct pilot flame. W ARNING Fai lur e to pos itio n the part s in acc ord ance with thes e dia gra ms or fai lure to us e only pa rts sp ecifi call y app rov ed with this hea ter may resul t in prop ert y dam age or pers ona l in jury . NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 28.0 POSITIONING OF FIELD[...]

17 29.0 SPECIFICA TIONS 6-1/4” 23-7/8” 27-3/16” 9-3/16” 20-1/4” B ac k Vi e w T o p V i ew F ro n t V i ew P r od u c t R e f e r en c e In f o r m at i o n Cat. No. Model S hi p . W t . Ship. Volume H 60 7 2 E li t e C V F - NG 5 0 l b . 4 .3 c u. ft . H 60 7 3 E li t e C V F - LP 5 0 l b . 4 .3 c u. f t.[...]

Printed in U.S.A. © 2008 Lennox Hearth Products P/N 850,056M Rev . A 11/2008 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. WARRANTY Y our gas app[...]