Instruction/ maintenance manual of the product Merit Series Lennox Hearth
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Report No. 050-S-18b-5 INST ALLA TION AND OPERA TION MANUAL W ARNINGS • Hot! Do not touch! The glass and surfaces of this appliance will be hot during operation and will retain heat for a while after shutting off the appliance. Severe burns may result.
2 Cautions and Safety FOR YOUR SAFETY do not install or operate your Medina™ gas insert without first reading and under - standing this manual. Any installation or operation of the appliance deviating from that which is stated in this manual WILL void the warranty and may be hazard - ous.
3 T able of Contents Cautions and Safety .................................................................................. 2 Orifice Size / Altitude Adjustment .................................................................. 4 Fireplace Requirements .
4 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Orifice Size/Altitude Adjustment For altitudes above 2,000 feet (In Canada 4,500 FT/1370 M), the orifice should be de-rated by 4% for ever y 1,000 feet to maintain the proper ratio of gas to air .
5 Inspection The state or local gas inspector of the side wall horizontally vented gas fuel ed equi pme nt shal l not app rove the insta lla tion unless, upon ins pect ion, the inspector obser ves carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.
6 Pre-Installation Features Installation Options Residential - Vented V ertical Only Manufactured (Mobile) Home Natural Gas Or Propane (LP) Bedrooms Optional Wall-mounted Or Remote Thermostat Electrical The blower motor requires 120 V olts AC for operation.
7 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Insert Dimensions Minimum Fireplace Cavity T op View Side View A B C D Figure 1 Figure 2 Figure 3 31-1/4”(794mm) 7-1/4” (184mm) 2-1/2” (64.
8 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Facing and Mantel - Side View F acing and M antel c learances Note: Hearth protection to be min.
9 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Vertical V enting The vent pipes must be connected to the proper collars on the unit and the exhaust vent pipe must be connected to the termination cap or the unit will not operate. The combustion air vent pipe can be connected to the termination cap or it can terminate inside the chimney .
10 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Zero Clearance Fireplace Installation This insert may be installed in a masonr y or factor y built/zero clearance (ZC) fireplace. When installing in a ZC fireplace, the ZC grate must be removed and the ZC damper must be removed or secured open.
11 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. T op Log Ports Install front logs on retainer slots. Place top log on pin. Figure 10 Figure 11 Surround Panels Installation The Medina insert surround panels are made of heavy gage steel for durability and, if desired, for the ease of making an inside fit in the fireplace.
12 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Gas Line Installation After leveling, position the insert in the fireplace - holding it about six inches out from its final location. CAUTION: Specific hearth requirements apply (see Clear - ances to Combustibles).
13 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Operating Instructions P re -l ighting c hecklist Be sure to check these items before the initial lighting of the insert: c The insert gas label corresponds to the gas supply avail- able - that is "natural gas" for natural gas or "LP gas" for LP gas.
14 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 5. Locate the pilot by looking over the top of the left front log. A blue flame will be seen when the pilot is lit. 6. T urn the gas control knob counter -clockwise to the "PILOT" position.
15 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Flame Color and Behavior Y our Medina™ gas insert is designed for maximum heating efficiency .
16 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Millivolt Control Schematic Sparker Pilot Hood ON/OFF Rocker Switch, Thermostat, or Remote Thermostat Pilot Assembly Thermocouple Piezo Igniter.
17 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Maintenance and Ser vicing Maintenance Checklist The following should only be performed by a qualified service technician. CAUTION: Label all wires prior to disconnection when servicing controls.
18 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Blower Snap Switch Blower Speed Control White Ground (Green) Black Blower Black (Hot) White (Neutral) Power Source Blower Wiring Schematic Glass Door Removal CAUTION: Do not slam or strike glass door or damage may occur .
19 SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Thin black coating (soot) forms on the viewing glass, logs, or firebox Improper log or ember placement Improper air shutter setting Not enough combus- tion air See Log Set Installation on Page 10 . If there is soot in one specific location, the rockwool below this location needs to be adjusted.
20 Replacement Parts Medina™ (MED) Part Number Description H6033 Cassette Assembly , NG (if LP , also requires H5464 conversion kit) H6010 Main Burner Assembly H5922 Pilot Assembly , Convertible NG .
21 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Fa ce / S urr o u n d Pan el Kit s (R equ ire d) - I ncl ude s B lac k F ace , S u r r ou nd and Bl ack T ri m Ca t.
22 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. MINIMUM CLEARANCES TO COMBUSTIBLES E = 31.5 ” (80 0m m) fr om T op Fac in g to Bo tt om of I nse rt F = 25.5 ” (64 8m m) fr om C ent er o f G la ss to S id e F ac in g o r Si de W al l *J = 39” (9 91m m) f rom 1 0.
23 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Lighting Label CAUT ION : YOUR CO UNT RY G AS AP PLI ANC E MU ST ALW A YS BE O PER A TE D W ITH GLA SS DOO R IN PL ACE . STO P! Rea d th e s afe ty i nfo rma tion ab ove bef ore pr ocee din g. 1.
Printed in U.S.A. © 2007 Lennox Hearth Products P/N 775,221M REV . B 03/2008 Lennox™ 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.
An important point after buying a device Lennox Hearth Merit Series (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 Merit Series 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 Merit Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox Hearth Merit Series you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox Hearth Merit Series will certainly help you make a decision on the purchase.
If you already are a holder of Lennox Hearth Merit Series, 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 Merit Series.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox Hearth Merit Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox Hearth Merit Series 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
