Instruction/ maintenance manual of the product CVF-NG Lennox Hearth
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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.
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 .
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 .
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.
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 .
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.
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.
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 .
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).
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 .
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.
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.
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 .
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 .
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 , Pr.
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 .
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 .
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.
An important point after buying a device Lennox Hearth CVF-NG (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lennox Hearth CVF-NG yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lennox Hearth CVF-NG - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox Hearth CVF-NG you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox Hearth CVF-NG will certainly help you make a decision on the purchase.
If you already are a holder of Lennox Hearth CVF-NG, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lennox Hearth CVF-NG.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox Hearth CVF-NG. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox Hearth CVF-NG along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center