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Report No. 050-S-18b-5

INSTALLATION AND OPERATION MANUAL

     

WARNINGS

 

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. 

• 

 

Carefully supervise children in the same room as appliance.

Do not store or use gasoline or other flammable 

vapors or liquids in the vicinity of this or any other 

appliance.
WHAT TO DO IF YOU SMELL GAS:
•  Do not light any appliance.

•  Do not touch any electrical switch; do not 

  Use any phone in your building.

•  Immediately call your gas supplier from a  

 

neighbor’s phone. Follow your gas supplier's 

  instructions.

•  If your gas supplier cannot be reached, call

  the fire department.
Installation and service must be performed by a quali-

fied installer, service agency or the gas supplier

.

POUR VOTRE SÉCURITÉ:  Ne pas entreposer ni utiliser d'essence 

ni d'autres  vapeurs ou liquides inflammables à proximité 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 bâti-

ment   

•  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 des incendies.

L'installation  et  l'entretien  doivent  être  assurés  par  un 

installateur  ou  un  service  d'entretien  qualifié  ou  par  le 

fournisseur de gaz.

WARNING: If the information in this manual is not 

followed exactly, a fire or explosion may result 

causing property damage, personal injury or loss 

of life.

AVERTISSEMENT: Assurez-vous de bien suivre les instruc-

tions données  dans cette notice pour réduire au minimum 

le risque d’incendie  ou d’explosion  ou pour éviter tout 

dommage matériel, toute blessure ou la mort.

 

Suitable for installation into masonry or factory built fireplaces. These appliances may be installed in an after-

market permanently located, manufactured (mobile) home (USA only), where not prohibited 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.

 

Lennox™ gas-burning appliances are designed for use as a supplemental heater.   They are not intended for 

continuous use as a primary heat source.

Medina™ (MED)

I

n the Commonwealth of Massachusetts:

  • Installation must be performed by a licensed plumber or gas fitter

    • See Table of Contents for location of additional Commonwealth of  

       Massachusetts requirements

US

Direct-Vent Gas 

Fireplace Inserts

Retain These Instructions For Future Reference

A French manual is available upon request. Order P/N 775,221CF.

Ce manuel d’installation est disponible en francais, simplement 

en faire la demande. Numéro de la pièce 775,221CF.

P/N 775,221M  Rev. B, 03/2008

DR

AF

T

3/1

1/0

8(2

)

Summary of Contents for Merit Medina

Page 1: ...des incendies L installation et l entretien doivent tre assur s par un installateur ou un service d entretien qualifi ou par le fournisseur de gaz WARNING If the information in this manual is not foll...

Page 2: ...lation Any modification or alteration may result in damage to the appliance or dwelling and will void the warranty certification and listings of this unit Failure to use manufacturer provided parts va...

Page 3: ...10 Surround Panels Installation 11 Face Installation 11 Gas Line Installation 12 Gas Pressure Requirements 12 LP and Natural Gas Supplies 12 Air Shutter Adjustment 12 13 Operating Instructions 13 16 P...

Page 4: ...le must be plugged with a non combustible insulation after the gas supply line has been installed The installer must mechanically attach the marking supplied with the gas fireplace insert to the insid...

Page 5: ...stallation of these fireplaces are approved for installation in New York City in the US state of New York MEA 138 07 E Commonwealth Of Massachusetts Require ments Massachusetts Approval G3 0806 6 Note...

Page 6: ...Embers 1 Fasteners 6 slotted 1 4 truss screws 6 speed nuts 9 spring clips 3 plastic adhesive wire restraints 1 Installation and Operation Manual Decorative Face Kits One Required kit is shipped in 2...

Page 7: ...ed together pieces such as baffles smoke shelf deflectors ash lips glass door screen or door tracks log grates refractory or masonry lining and damper assemblies Any fireplacecomponent whichisremoved...

Page 8: ...imum clearances include any projections such as shelves window sills mantels spacers standoffs or surfaces to combustible construction etc above the ap pliance Paint or lacquer used to finish the mant...

Page 9: ...the vent manufacturer s instructions for installation and vent termination These appliances are approved for use with the following vent kits Vertical Cap Termination Connector Exhaust Intake Combust...

Page 10: ...anship like manner This access hole must be plugged with a non combustible insulation after the gas supply line has been installed The installermustmechanicallyattachthemarkingsupplied with the gas fi...

Page 11: ...ation The faces come with hooked brackets To install the face hang the hooked brackets on the surround brackets per instructions provided in decorative face kit C in Figure 12 Figure 12 A B C Spring H...

Page 12: ...iance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig The appliance must be...

Page 13: ...ighting the pilot follow these instructions exactly B BEFORE LIGHTING smell around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on...

Page 14: ...or thermostat if installed to its lowest setting 2 Turn off electric power to the appliance if service is to be performed 3 Push in gas control knob slightly and turn clockwise to OFF Do not force Th...

Page 15: ...flowofgasthroughthe gas valve and orifice may make a rushing or whistling noise If this noise is objectionable it can be reduced by turning down the flame Turning down the flame can reduce total heat...

Page 16: ...e to determine the proper gage of wire for the thermostat or wall switch connections This table refers to the total length of the wire out to the switch and back The thermostat must be a millivolt typ...

Page 17: ...and extend across the main burner ports Be careful not to back the screw out of its threads Replace the cover and check for gas leaks using a gas leak test solution oCheck that the area around the in...

Page 18: ...ow for ref erence Remove the insert face glass door and log set All of these items are fragile so handle them with care Next remove the nine allen head screws around the outside of the panel fastened...

Page 19: ...f pilot lights turn off pilot and trigger the igniter again If pilot lights an intermittent gas air supply may be the problem if longer purge will not light check gap between electrode and pilot shoul...

Page 20: ...ner LP 53 H5951 Orifice High Altitude Main Burner LP 54 H5464 Conversion Kit NG to LP H5465 Conversion Kit LP to NG H6013 Blower w Mounting Bracket H5875 Blower Snap Switch H5655 Blower Speed Control...

Page 21: ...Deluxe Thermostat DC H4635 Wall Thermostat Digital 75273 Round Black On Off Switch Cover Plate Finish Panels Front Supports 75264 ZC Lower Finish Panel Trad Face Support Requires Trim Piece below 7525...

Page 22: ...ase de H l appareil aux combustibles HOMOLOGU FOYER RADIANT PR FABRIQU AU GAZ INSERTION DE FOYER AU GAZ NE PAS UTILISER AVEC DU COMBUSTIBLE SOLIDE TEST SELON LA NORME ANSI Z21 88 2005 CSA 2 33 2005 FO...

Page 23: ...teur qualifi un agent de service ou un fournisseur de gaz Si vous op rez cet appareil sans qu il ne soit correctement raccord un conduit d vacuation vous pourriez risquer d tre empoisonn au monoxyde d...

Page 24: ...tain this manual File it with your other documents for future refer ence Product reference information Werecommendthatyourecordthefollowingimportantinformationabout your appliance Please contact your...

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