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Lennox Hearth 850,055M - page 1
Report No. 317-S-05-5 IN ST AL LA TI ON AN D OP ER A TIO N MA NU AL W ARNINGS • Hot! Do not touch! This appliance will be hot during operation and will retain heat for a while after shutting off the appliance. Severe burns may result. • Carefully supervise children in the same room as appliance. • Due to high temperatures, the appliance shoul ...
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Lennox Hearth 850,055M - page 2
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 ...
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Lennox Hearth 850,055M - page 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 to ...
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Lennox Hearth 850,055M - page 4
4 6.0 BURN-IN PERIOD 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 ...
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Lennox Hearth 850,055M - page 5
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 ...
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Lennox Hearth 850,055M - page 6
6 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 mov ...
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Lennox Hearth 850,055M - page 7
7 After having selected the final mounting position of the appliance, taking into account the site requirem ents as specified in Sectio n 8 of these instruc- tions, the integrity of the wall, and the feasibility of the proposed supply pipe routing, the firebox of appliance may be secured to the wall. T o ensure customer safety , be sure to desig ...
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Lennox Hearth 850,055M - page 8
8 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE Insert the wall mounting screws into the top wall plugs, taking care to leave the screws protruding approximately 3/8” from the wall. Now hang the appliance onto these screws through the two keyhole shaped holes in the back panel of the appliance. Insert the lower mounting screws into the low ...
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Lennox Hearth 850,055M - page 9
9 14.0 CHECKING THE GAS CONNECTIONS 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 on the pipes/fittings can result ...
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Lennox Hearth 850,055M - page 10
10 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 16.0 SP ARK GAP 17.0 ASSEMBL Y OF THE GLASS F ACIA Figure 9 - Proper Spark Gap 1/8" to 3/16" Spark Gap Figure 10 - Key Hole Slots on Glass Facia 1. Remove the glass panel from all packaging and lay face down on a soft surface. Identify the top and bottom of the glass facia by observi ...
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Lennox Hearth 850,055M - page 11
11 5. Secure the grill in position using two M6 screws and two no. 8 self tapping screws as shown in Figure 14 . 18.0 FITTING THE GLASS F ACIA The glass facia panel is supported by four M6 screws which protrude from the front of the outer casing. Insert the M6 retaining screws and ensure they are unscrewed approximately 1/8” so the keyhole shaped ...
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Lennox Hearth 850,055M - page 12
12 All instructions must be left in the possession of the user for safekeep- ing. If at all possible, show the customer how to light and control the appliance and how to remove and replace the glass facia. After commissioning the appliance, the customer should be instructed on the safe use of the appliance and the need for regular servicing. Fre- q ...
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Lennox Hearth 850,055M - page 13
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 13 Clean the pilot assembly with a soft brush and blow through. Check the aeration holes are free of any dirt or lint. Clean thoroughly internally , the connection can be removed from the base of the pilot assembly using two wrenches to make cleaning easier . Do not damage or tr y to dismantle th ...
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Lennox Hearth 850,055M - page 14
14 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 igniter . When lighting the pilot, follow these instructions exactly . B. BEFORE OPERA TING ...
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Lennox Hearth 850,055M - page 15
15 28.0 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 ...
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Lennox Hearth 850,055M - page 16
16 29.0 REPLACEMENT P ARTS - SCANDIUM™ 1 2 7 5 6 8 9a Replacement Parts Item # Cat.No. Description 1 H6057 Glass door assembly 2 H6060 Catalyst 3 H6061 Pilot assembly, Natural Gas 4 H6999 Pilot assembly, Propane Gas 5 H6058 Burner Assembly, Natural Gas 6 H7012 Burner Assembly, Propane Gas 7 H6062 Catalyst Gasket 8 H7037 3 Pc. Frame Assembly 9a H7 ...
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Lennox Hearth 850,055M - page 17
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 17 30.0 POSITIONING OF FIELD REMOV ABLE P ARTS 4 off burner installation positions Glass Door Removal: Remove the four (4) screws indicated, then lift door off. 4 off burner installation positions Figure 21 W ARNING Fai lur e to pos itio n the par ts in acc ord ance with t hese diag rams or fai l ...
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Lennox Hearth 850,055M - page 18
18 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 31.0 SPECIFICA TIONS 20-13/16” 10-1/4” 41-1/2” 27-11/16” 18-5/8” 5-9/16” 7-1/8” 30-1/16” 16” 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 6 5 S ca n d iu m - NG 8 0. 7 lb . 1 2. 9 cu . f t . H 60 7 1 S ca n d iu m -L P 8 0. ...
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Lennox Hearth 850,055M - page 19
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE 19 Model D1 D2 D3 Scandium™ 3/4” (20mm) 1-3/4” (45mm) 4-5/16” (110mm) Note: The actual dimensions are shown in millimeters. The fractional dimensions are converted from millimeters and are rounded to the nearest 1/16”. KEY : D1 = Dis tance from moun ting surfa ce to rea r ent ry poin t ...
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Lennox Hearth 850,055M - page 20
20 Printed in U.S.A. © 2007 Lennox Hearth Products P/N 850,055M REV . F , 05 /2009 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 g ...
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