Mendota ML39- AA-11-04391 Installation And Operating Instructions Manual
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Mendota ML39- AA-11-04391 Installation And Operating Instructions Manual

Fullview direct vent gas fireplace heater
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MODEL NO. ML39- AA-11-04391, ML47- AA-11-04390, ML54- AA-11-04283, ML60- AA-11-04281, AND
ML72- AA-11-04593 FULLVIEW DIRECT VENT GAS FIREPLACE HEATER
WARNING: If the information in these instructions
is not followed exactly, a fire or explosion may
result causing property damage, personal injury or
loss of life.
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
- WHAT TO DO IF YOU SMELL GAS
•
Do not try to 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 the gas supplier's
instructions.
•
If you cannot reach your gas supplier, call
the fire department.
- Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
This appliance may be installed in an aftermarket,
permanently located, manufactured home (USA
only) or mobile home, 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 gasses, unless a
certified kit is used.
A barrier designed to reduce the risk of burns from
the hot viewing glass is provided with this appliance
and must be installed.
85-03-01205-H
Installation and Operating Instructions
ML-SERIES FIREPLACE
AVERTISSEMENT. Assurez-vous de bien suivre les
instructions 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.
Ne pas entreposer ni utiliser d'essence ni d'autres vapeurs
ou liquids inflammables dans le voisinage de cet appareil
ou de tout autre appareil.
- 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 bâtiment où vous trouvez.
• 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.
Cet appareil peut être installé dans une maison
préfabriquée (É.-U. seulement) ou mobile déjà installée à
demeure si les règlements locaux le permettent.
Cet appareil doit être utilisé uniquement avec les types de
gaz indiqués sur la plaque signalétique. Une trousse de
conversion est fournie avec cet appareil.
Une barrière conçue pour réduire le risque de brûlures
du verre chaud est fournie avec cet appareil et doit être
installée.
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  • Page 1 Installation and Operating Instructions MODEL NO. ML39- AA-11-04391, ML47- AA-11-04390, ML54- AA-11-04283, ML60- AA-11-04281, AND ML72- AA-11-04593 FULLVIEW DIRECT VENT GAS FIREPLACE HEATER WARNING: If the information in these instructions AVERTISSEMENT. Assurez-vous de bien suivre les is not followed exactly, a fire or explosion may instructions données dans cette notice pour réduire au...
  • Page 2 HOMEOWNER NOTES 85-03-01205 ML-SERIES FIREPLACE...

  • Page 3: Read Me First

    See chapter 3.1.1 Fireplace Curing Instructions. Read and follow all instructions given in this Chapter and perform the 3 -step Mendota curing cycle. After the 3-step curing cycle has been completed, all smoking will have stopped. Some slight odors may remain. With subsequent use of this Fireplace, odors will slowly dissipate and disappear.

  • Page 4: Table Of Contents

    ENERAL ECHNICAL EFERENCES 3.3.1.1 Planning for AC Power Connection 3.1.1 Mendota Fireplace Curing Instructions ......11 3.3.2 Backup DC Power Inlet Port Installation ......43 3.1.1.1 Step 1: Expelling Initial Smoke and Odors 3.3.3 PF2 Ignition System Diagram ......... 44 3.1.1.2...
  • Page 5 4.9.2 ML- Series Master Venting Chart ........60 5.8.1 Safety Information ............76 4.9.3 High Altitude Installation Information ......61 5.9 O ........77 PERATING NSTRUCTIONS 4.9.4 Maximum Horizontal Run ..........61 5.10 T ......77 AS TO IREPLACE 4.9.5 Maximum Vent System Length ........61 5.11 FREQUENTLY ASKED QUESTIONS ......78 4.9.6 How to Calculate the Vent Lengths........

  • Page 6: General Information

    2.1.1 Building Permit & Inspection Requirements All installations of Mendota Fireplaces must comply with all the requirements stated in this Installation and Operating Manual. The dealer and/or installer must obtain all required building permits and inspection approvals from the local building inspection department or the local jurisdiction.

  • Page 7: Safety Warnings

    2.2 SAFETY WARNINGS HIGH-ALTITUDE INSTALLATION INFORMATION: Prior to installing at altitudes higher than 7,500 ft., understand the need for gas input derating. Contact Mendota Technical Service for support. INSTALLER NOTE: These instructions are to remain with homeowner. Be sure to read and understand all instructions carefully before starting the fireplace. Failure to follow these instructions may result in a possible fire hazard leading to property loss, injury or even death and will void all warranty.

  • Page 8: Safety Standards And Warnings

    2.2.1 Safety Standards and Warnings Do not ope r ate this applianc e with the glass r e move d, c r ac ke d or br oke n. O nly glass door s c e r tifie d with this applianc e shall be use d.
  • Page 9 This gas fir e plac e and ve nt syste m m ust be ve nte d dir e c tly to the outside and m ust ne ve r be attac he d to a c himne y se r ving a se par ate solid fue l -bur ning fir e plac e . Eac h gas fir e plac e m ust use a se par ate ve nt syste m. Common ve nt syste ms ar e pr ohibit e d.

  • Page 10: Requirements For Thec

    2.3 REQUIREMENTS FOR THE COMMONWEALTH OF MASS. The information in this section applies to all installations performed in the Common Wealth of Massachusetts only. For all side wall, horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes and where the side wall exhaust vent termination is less than seven (7) feet above grade, the following requirements shall be satisfied: If there is no carbon monoxide detector with an alarm already installed in compliance with the most current...

  • Page 11: Technical References

    Never block off convection air openings or paths. Trim panels or surrounds shall not seal ventilation openings in the fireplace . Always use Mendota decorative fronts and Mendota approved vent systems and ve nt caps only. 3.1.1 Mendota Fireplace Curing Instructions...

  • Page 12: Step 3: Final Curing Cycle

    Please be aware that materials used around the fireplace will heat up and have the potential to cause odor issues. Adhesives, glue, wall substrate, wall finish material, paints and polishes are common materials that if used incorrectly will cause odor issues. Mendota is not responsible for any odor issues caused by materials used ar ound the fireplace. 85-03-01205...

  • Page 13: Mechanical Technicalr

    3.2 MECHANICAL TECHNICAL REFERENCES 3.2.1 Planning the installation This Mendota Fireplace must be installed and serviced by a qualified installer, service agency, or the gas supplier. When planning on appliance installation, it is necessary to determine the following information before installing: •...

  • Page 14: Listing Labels

    3.2.3 Listing Labels The listing label is located under the firebox. Remove the right-side access grill and locate the listing plate. It is chained to the shut off valve handle. Figure 3-1 Listing Labels 85-03-01205 ML-SERIES FIREPLACE Page 14...

  • Page 15: Other Warning And Caution Labels

    3.2.4 Other Warning and Caution Labels A few warnings or caution labels are attached to this appliance body as required per code to inform you of important facts. You can find these labels on the outer surface of this appliance. Make certain you heed all the warning and caution statements during installation and maintenance of this appliance.
  • Page 16 Figure 3-9 Figure 3-10 85-03-01205 ML-SERIES FIREPLACE Page 16...

  • Page 17: Ml-Series Fireplace Ratings Information

    3.2.5 ML-SERIES Fireplace Ratings Information This Mendota Fireplace can be installed directly on top of a metal, masonry, or wood structural surface. ELECTRICAL REQUIREMENTS: 120 Volts AC, 3.5 Amps (minimum line voltage allowed 110 Volts AC) REQUIRED GAS SUPPLY PRESSURE: NAT.

  • Page 18: Normal Surface Temperatures

    Mendota Fireplaces comply with ANSI Z21.88-2017/CSA 2.33-2017 Standards for maximum surface temperatures on exposed “combustible”...

  • Page 19: Fireplace Dimensions And Clearances

    3.2.7 Fireplace Dimensions and Clearances ML39 ML47 ML54 ML60 ML72 MIN. ENCLOSURE FRAMING WIDTH ENCLOSURE SIDE TO VENT CENTER 34 1/2 37 1/2 MINIMUM FRAMING DEPTH 19 1/2 19 1/2 19 1/2 19 1/2 FINISHED FRAMING WIDTH MIN. ENCLOSURE CEILING 64 1/4 64 1/4 MIN.

  • Page 20: Fireplace Features Identification

    Convection Blower System Dual blowers are provided as standard equipment on the Mendota ML-Series Fireplaces. The dual blowers have an air output rating of 190 CFM (in free air). This Fireplace is designed to operate with the blowers turned off or on. Turning the blower on aids in distributing and circulating heat to the room this Fireplace is installed in.
  • Page 21 3.2.8.2 Lifting Handles Two lifting handles, one on each side are provided. The lifting handles make it possible to lift the unit onto a cart for tra nsport. WARNING : The lifting handles are designed only for lifting and moving the fireplace short distances. Such as lifting the fireplace onto a transport cart or shifting the fireplace during installation.

  • Page 22: Rough Framing Dimensions

    3.2.10 Rough Framing Dimensions MINIMUM REQUIRED FRAMING DIMENSIONS (INCHES) The rough framing dimensions given are the minimum allowed framing dimensions. When MODEL ML39 ML47 ML54 M60 ML72 planning the framing of the unit be sure there is adequate space to hook up the gas and electrical on FINISHED FRAMING the right side of the unit.

  • Page 23: Constructing The Appliance Chase

    3.2.10.1 Constructing the Appliance Chase A chase is a vertical box-like structure built to enclose this fireplace and its vent system. Vertical vents that run on the outside of a building may be, but are not required to be, installed inside a chase. Construction of the chase may vary with the type of building.

  • Page 24: Clearance From Appliance Side Walls

    3.2.11 Clearance from Appliance Side Walls Figure 3-17 CLEARANCE TO BODY 85-03-01205 ML-SERIES FIREPLACE Page 24...

  • Page 25: Clearances To Combustible Side Walls

    3.2.12 Clearances to Combustible Side Walls The minimum distance required from the edge of the unit to a combustible side wall is 18”. Combustible side walls, mantel corbels, mantel legs and other combustible walls and decorative objects must fall behind a 45-degree line extending outward from the edge of the unit unless such objects are more than 18”...

  • Page 26: Clearances To Combustible Mantels

    3.2.13 Clearances to Combustible Mantels Non-combustible (marble, brick, stone, metal etc.) mantels can be installed at any desired height above the top convection air opening. Any pre-existing combustible mantel must fall within the approved mantel profile chart. WARNING: Make proper use of this chart. Do not compromise the specifications contained in this chart. Failure to adhere to proper clearances required to combustibles may cause spontaneous combustion of the mantel and may result in a fire causing property damage, personal injury or loss of life.

  • Page 27: Suitable Mantel, Facing & Hearth Pad Materials

    1”. This is the depth of the finishing guides on the fireplace and will result in the best final appearance. Mendota does not guarantee any materials used around the fireplace. Mendota disclaims any and all liability for any damage to finishing materials including warping, discoloring, cracking, peeling or flaking.

  • Page 28: Smooth Wall

    Ceramic or Porcelain Tile Use of ceramic or porcelain tiles as facing materials around a Mendota fireplace is approved. If selecting a mosaic tile where tiles are held together with a webbing, ensure the webbing is a non-combustible material like fiberglass. Also ensure that the tiles are not attached to the webbing with a glue or epoxy that will off gas and smell when heated.

  • Page 29: Suitable Paints And Sealant Materials

    Mendota fireplaces. Mendota further cautions that proper adhesives be used to attach stone facings. Pay attention to the potential of off gassing of chemical vapors from mastic and other adhesives.

  • Page 30: Framing Depth And Finishing Guides

    There are two options for finishing the fireplace when installing a Grace front. Please read the following instruction before installing the finishing material on the front of th is fireplace. If you have any questions about finishing the fireplace, contact a Mendota dealer or the Mendota Service Department. •...

  • Page 31: Recessed Mount: Installing Front Recessed Into Wall

    3.2.3.2 Recessed Mount: Installing Front Recessed Into Wall Note: You must order Recessed mount guide kit. This option allows the front to mount with any finish material. It is a “recessed” finish. Use the reference chart or pricing sheets to see which guide kit is required for each decorative front type. 85-03-01205 ML-SERIES FIREPLACE Page 31...

  • Page 32: Recommendations For Television Installation

    Many television manufacturers specify in their installation instructions that the television must not be installed near or ab ove a heat source. The decision to install a television near or above a Mendota fireplace rests solely on the con sumer. It is the consumers responsibility to satisfy television specifications and insure the television will not exceed maximum operation temperatures.

  • Page 33: Recommendation 2: Create A Recessed Cavity

    Recommendation 3: Install a heat transfer system Mendota Hearth offers three heat transfer systems that take heat from the fireplace and redirect it to another area. When use d correctly these heat transfer systems can make it possible to mount a television above the fireplace without installing a man tel or creating a recessed cavity.
  • Page 34 Mendota Cool Wall The Mendota Cool Wall system uses natural convection to take heat off the wall directly above the fireplace and redirects it up and away from surrounding areas. Testing has shown that when using a Cool Wall system, temperatures above the fireplace are reduced making it possible to mount a television 15”...

  • Page 35: Versiheat

    3.2.4.3.2 Versiheat The Versiheat system uses a fan to redirect heat from the fireplace to an alternate room in the home. WARNING: To reduce temperatures above the fireplace for mounting a television the Versiheat system must always be on when the fireplace is in operation.

  • Page 36: Flexheat

    3.2.4.3.3 FlexHeat The FlexHeat system uses two inline fans to redirect heat from the fireplace outside the home or to an alternate room in the home. WARNING: To reduce temperatures above the fireplace for mounting a television the FlexHeat system must always be on when the fireplace is in operation.

  • Page 37: Venting

    Always use heat shield (#AA-11-00458) when the exterior wall covering is made of vinyl, wood or other combustible materials. Heat shield (# AA-11- 00458) or an equivalent heat shield shall be installed. Heat shield (# AA-11- 00458) is available for order directly from Mendota fireplaces. 85-03-01205 ML-SERIES FIREPLACE...

  • Page 38: Flue Venting Components Identification Diagrams

    3.2.5.3 Flue Venting Components Identification Diagrams Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department f or specif ic venting requirements and venting restrictions. ITEM DESCRIPTION 6" or 7” PIPE (DuraVent 6”/Amerivent 7”), 9”, 12”...

  • Page 39: Approved Vent Systems- Does Not Include Ml72

    3.2.5.4 Approved Vent Systems- DOES NOT INCLUDE ML72 NOTE: Additional venting configurations are allowed when using a power vent. Consult the power vent instructions for more information. STRAIGHT UP, VERTICAL VENTING ZERO VERTICAL HORIZONTAL TERMINATION VERTICAL RISE HORIZONTAL TERMINATION NOT ALLOWED 40 FEET MAXIMUM NOT ALLOWED...

  • Page 40: Exterior Vent Locations And Restrictions

    Exterior Vent Locations and Restrictions Note: All measurements are to be taken from the center of the vent cap. Note: If using a Mendota approved power vent kit please consult the power vent instruction manual as these values may differ.  - ...

  • Page 41: Side By Side Installation Of Two Vent Caps

    3.2.5.6 Side by Side installation of two Vent Caps When two or more vertical vent caps are located within proximity of one another, it is requ ired that a galvanized steel 18-gauge or heavier barrier wall be installed between the two vent caps to eliminate recirculation of exhaust gases from one cap to another.

  • Page 42: Electrical Technical References

    ELECTRICAL TECHNICAL REFERENCES 3.3.1 AC Power Requirements WARNING: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. For nor mal ope r ation, this applianc e r e quir e s 1 2 0 VA C, 3 .5 A mp powe r or a 6 V DC powe r sour c e . The A C powe r supply to this Fir e plac e must be hot at all time s and shall not have a switc h installe d in it.

  • Page 43: Planning For Ac Power Connection

    3.3.2 Backup DC Power Inlet Port Installation INSTALLATION: It is important that you install the supplied harness, outlet box and cover plate on the right side of this appliance. The DC Power Inlet harness is 6 feet long, allowing installation of the single gang box up to 5 feet to the right of this appliance.

  • Page 44: Pf2 Ignition System Diagram

    3.3.3 PF2 Ignition System Diagram ML72 ONLY Note: Connect wires in junction box located on the right This appliance must be electrically connected and grounded side of this appliance to house power using supplied wire in accordance with local codes or, in the absence of local nuts.

  • Page 45: Plumbing Technical References

    TRAIN. ADHERE STRICTLY TO LOCAL AND NATIONAL CODES. 3.4.2 Gas Supply Line Sizing This Mendota Gas Fireplace comes equipped with a 1/2" N.P.T. Female inlet. Gas supply piping must enter the Fireplace cabinet on the right side. Use the table, below, to determine the proper gas line diameter that must be installed to run from the supply r egulator to the fireplace.

  • Page 46: Gas Pressure Requirements And Checking

    3.4.3 Gas Pressure Requirements and Checking Two pressure taps for checking input and output gas pressures are located on the main gas valve. A qualified installer should use this fitting for setting the correct gas pressure during initial installation. The applianc e and its applianc e main gas valve must be disc onne c te d fr om the gas supply piping syste m dur ing any pr e ssur e te sting of that syste m at te st pr e ssur e s in...

  • Page 47: Factory Installed Manual Gas Shutoff Valve

    3.4.6 Factory Installed Manual Gas Shutoff Valve A manual gas shutoff valve is factory installed and located on the right side of the fireplace. Remove the slotted cover plate on the right side of the fireplace to access the valve handle. To operate the manual gas shutoff valve, insert the tip of the gl ass latch tool into the hole in the ball valve handle, or use your hand.

  • Page 48: Gas Input Rate Verification

    3.4.8 Gas Input Rate Verification 3.4.8.1 Natural Gas Input Rate Verification Verify main orifice size. The main orifice body has the orifice hole size stamped on it. NG orifice size shall be #33 (ML39), 1/8” (ML47, ML54, or ML60), and #30F #43R (ML72) for 0-2000 ft and #34 (ML39), #31 (ML47), 1/8” (ML54 and ML60), and #30F #43R (ML72) for 2000-5000ft.

  • Page 49: Installation Instructions

    ❑ Adjust vent damper to match vertical chimney length. See 4.12 Vent Damper Adjustments ❑ Co-axial vent rigid pipe, wall vent cap or roof vent cap is installed by a Mendota approved serviceperson in accordance with instructions. ❑ All joints are secured, "twist-locked" and leak-proof.

  • Page 50: Unpacking The Fireplace

    Lift the outer box vertically straight upward until lower edge of the box clears the top of the unit body. Set the box aside. Mendota recommends recycling the outer box. Figure 4-1 Outer Box Removal 85-03-01205...

  • Page 51: Contents Of The Manualp

    Once the outer box is removed, you will find the Fireplace body and a manual packet white box. This manual packet white box includes the items shown in the table, below. Contact Mendota Technical Service if any parts are missing.

  • Page 52: T Oreplace Door

    4.6 TO REPLACE DOOR Line up the five bottom tabs on the glass frame with the slots on the bottom of the firebox. Fireplace tabs into slots and center tabs in slots, left to right. Center glass frame over firebox; left to right. After door has been placed into slots, rotate door towards firebox until gasket seal is touching the firebox frame.

  • Page 53: Light Bulb And Light Lens

    4.7 LIGHT BULB AND LIGHT LENS REPLACEMENT W A RNING: Failur e to position the par ts in ac c or danc e with the se diagr ams or failur e to use only par ts spe c ific ally appr ove d with this applianc e may r e sult in pr ope r ty damage or pe r sonal injur y. The light and lens will come installed in the fireplace.

  • Page 54: Natural Gas To Lpg Conversion

    4.8 NATURAL GAS TO LPG CONVERSION A natural gas to LP gas conversion kit must be ordered and installed in this fireplace to burn LP gas. LP conversion kit contains the following parts: one motorized LP pressure regulator #907.012, one cap orifice , an L-shaped Torx wrench and a LP conversion label.
  • Page 55 You will now be able to access the burner orifice, which is located inside the air shutter box. Using a ½” deep well socket wrench, remove the orifice. When removing and installing the orifices be sure to use a wrench to keep the fitting the orifice screws onto from rotating.

  • Page 56: Pressure Regulator Conversion

    CA UTIO N: A lways use one 7 /1 6 ” ope n e nd wr e nc h and one lar ge plie r s or vic e gr ips tool to hold, loose n and tighte n pilot hood base to pr e ve nt damage to pilot mount br ac ke t. 4.8.1.2 Converting the Pilot While holding the pilot base body with large vice grips tightly, loosen the pilot’s hex-shaped base using a 7/16”...
  • Page 57 11. Shut off the gas supply to the valve and shut down the electric supply. Note: Be careful when removing or tightening the screw on the back of the pressure regulator. The screw location is difficult to access, and care must be taken to ensure a proper seal when tightened. W A RNING: Failur e to position the par ts in ac c or danc e with the se diagr ams or failu r e to use only par ts spe c ific al ly appr ove d with this applianc e may r e sult in pr ope r ty...

  • Page 58: Burner Ignition Characteristics

    4.8.2 Burner Ignition Characteristics Note : Conne c t gas supply and ve r ify that the minimum inle t and outle t pr e ssur e s ar e c onfor ming. Once the conversion to LPG and all the above steps have been completed, light the main burners. Use remote transmitter to turn on pilot light and burners.

  • Page 59: Ml39, Ml47, Ml54, And 4.9.1 Wall Thimble Information

    4.9 ML39, ML47, ML54, AND ML60 DIRECT VENTING W A RNING: Pr ope r installation of the ve nt syste m, as r e quir e d in this manual, is vital to the pe r for manc e of this Fir e plac e .

  • Page 60: Ml- Series Master Venting Chart

    THIS CHART IS APPLICABLE TO NATURAL GAS ONLY. FOR LPG INSTALLATIONS, SEE TABLE ON LEFT SIDE OF THE CHART, BELOW. If using a Mendota approved power vent kit, consult the power vent instruction manual for additional venting configurations. Always use the longest vertical starter pipe section as the first vertical section attached to the fireplace directly.

  • Page 61: High Altitude Installation Information

    4.9.3 High Altitude Installation Information Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venti ng requirements and venting restrictions. 4.9.4 Maximum Horizontal Run ❑ Maximum Horizontal Run allowed is 32 feet if a vertical starter section that is between 4 feet to 14 feet is connected directly to this fireplace’s flue starter collar and no more than three (3) 90 -degree elbows are used.

  • Page 62: Minimum Rise Horizontal Termination

    4.9.10 Minimum Rise Horizontal Termination The ML-Series Fireplace must be installed by a qualified Mendota approved service technician. A maximum horizontal run of 6” is allowed if an 18” vertical starter section and one 90° elbow is connected directly to this fireplace’s flue starter collar.

  • Page 63: Vertical Rise Horizontal Termination

    4.9.11 Vertical Rise Horizontal Termination The minimum vertical section required to be connected directly to the starter adapter on this fireplace is 4’ when used with a maximum horizontal run of 32’. If the total length of the vertical sections connected directly to the starter adapter on this fireplace is between 4’...
  • Page 64 V(2’ MIN) H1 + H2 MAX 2’ 3’ 3’ 16’ Vertical Rise 4’ 32’ Three 90° Elbows 4’ – 12’ 32’ Horizontal Termination Use the Master Venting Chart to calculate For V greater than 12’, see Master Venting Chart allowable lengths. 85-03-01205 ML-SERIES FIREPLACE Page 64...

  • Page 65: Vertical Through-The Roof Venting

    4.9.12 Vertical Through-The Roof Venting The maximum vertical run of vent pipe is 40 ft. from the top of the fireplace. The fireplace will support a run of a maximum of 40 ft. Maintain 1" air space clearances on all sides of vents (3" above horizontal runs). If an offset is required directly on top of the fireplace, two 45 elbows may be connected directly to the top of this fireplace to create a horizontal offset then to run upwards vertically.

  • Page 66: Vertical Through-The-Roof Venting Using Four 90 Elbows

    Mendota has spent considerable time and effort in the design of this fireplace and its venting system. Through this effort, Mendota has been a ble to certify the use of Four 90 elbows.

  • Page 67: Ml72 Direct Venting

    4.10 ML72 DIRECT VENTING 4.10.1 ML- Series Master Venting Chart If using a Mendota approved power vent kit, consult the power vent instruction manual for additional venting configurations. 48” minimum vertical section is required for Natural Gas and for LPG applications.

  • Page 68: Power Vent Exterior Vent Locations And Restrictions

    4.11.2 Power Vent Exterior Vent Locations and Restrictions Note: All measurements are to be taken from the edge of the Power Vent. 85-03-01205 ML-SERIES FIREPLACE Page 68...

  • Page 69: Log Set/ Media Installation

    4.13 LOG SET/ MEDIA INSTALLATION There are many options for log sets and media kits to compliment your new Mendota fireplace. To learn more about all the log set and media kit options available please consult your local Mendota dealer.

  • Page 70: Vent Damper Adjustments

    4.14 LIGHTING CHECKLIST Be sure to check these items before final operation of the Fireplace. ☐ All items on "Installation Checklist" must be completed. ☐ Carefully follow all lighting and log installation instructions. Make certain that pilot flame and burner light correctly. ☐...

  • Page 71: Aesthetic Considerations

    We are committed to quality and satisfaction for all Mendota owners. Thank you for choosing a Mendota to be a source of comf ort and beauty in your home.

  • Page 72: Operating Information

    5.4.1 Using Your Remote Control Your Mendota remote control is pre-programmed to your fireplace. Ensure you have installed 3 AAA batteries into your remote. Press the top button on the remote control. If you do not hear a beep when you pr ess this button, follow the instructions below to synchronize your fireplace and remote control.

  • Page 73: Remote Control Functions

    5.4.3 Remote Control Functions NOTE: You will hear an audible beep once every time a remote-control button is pressed, signaling that the command has been received. If you do not hear the beep, press the button again. Locate the four function buttons on the remote control: On/Off Button: This button turns the fireplace on or off.

  • Page 74: To Turn On The Fireplace

    5.5 REMOTE CONTROL OPERATING INSTRUCTIONS 5.5.1 To Turn on the Fireplace NOTE: If the fireplace does not respond to the remote -control commands, the fireplace system may have entered “safety Chapter 5.11.12 Why won’t my fireplace turn on? lockout” mode. To reset the system, see Press the on/off button.

  • Page 75: Icon Details

    5.5.4 Icon Details Mode Button: Pressing the mode button toggles between the various available functions: flame height, fan speed, accent light intensity. Flame Height: Six flame height levels are available. While the flame height icon is displayed, pressing the up or down button once will increase or decrease the flame height by one of six increments.

  • Page 76: Nstructions

    Note: The snowflake icon will be visible on the display at all times when in CPI mode. Recommended: Mendota recommends that CPI mode is used during the winter ° months when the average daily high temperature falls below 50 F.

  • Page 77: Operating Instructions

    5.9 OPERATING INSTRUCTIONS 1. Read the above safety information carefully before proceeding. 2. Do not attempt to light the pilot by hand; the door must remain on this unit during pilot ignition . 3. Press the ON/OFF button on remote control to begin the ignition sequence. The fireplace will emit an audible beep then the igniter will begin to spark.

  • Page 78: Frequently Asked Questions

    5.11.2 Where can I find the model and serial numbers? When requesting service, you will be asked to provide the model number and serial number to your Mendota dealer. This information will expedite the warranty verification process. The Listing Label contains the model number and serial number for your particular appliance.

  • Page 79: Can I Use My Fireplace During Power Outages

    5.11.3 Can I use my Fireplace during power outages? This electronic ignition system uses the supplied 110VAC power when it is available for all functions of this system. If you experience a power outage, plug in the battery pack (6V DC maximum, supplied with this fireplace) to the fireplace backup power inlet port.

  • Page 80: Periodic Inspection

    These adjustments should be made by a qualified technician to achieve the best flame performance. Contact your installer or Mendota dealer if you feel your fireplace is not burning correctly. Improper setup and adjustment is not covered under warranty.

  • Page 81: When Do I Change Batteries In My Remote

    This should clear the lockout mode. Turn on the remote and start the fireplace. Ensure the master switch is in the run/on position. After completing these steps, contact your Mendota dealer if fireplace won’t turn on. 5.11.13 What happens when I first light my fireplace? When you first light your fireplace, the initial curing phase is initiated.

  • Page 82: Maintenance Information

    6 MAINTENANCE INFORMATION 6.1 REQUIRED PERIODIC INSPECTIONS Check to verify that the vent system and vent cap are open and free of blockage. Have qualified service person check the operation of the pilot light. Pilot light must light within the first five to eight seconds of ignitor sparks initiation.

  • Page 83: Over Firing Or Under Firing Of

    6.4 OVER FIRING OR UNDER FIRING OF BURNER NEVER "over fire" or “under-fire” units by increasing or decreasing the main orifice sizes or by adjusting gas pressure to increase BTUH above nameplate specifications. O ve r fir ing c an c ause pe r mane nt damage to fir e box and de te r ior ation of par ts and void the war r anty. Under-firing can potentially cause delayed ignition and lead to property loss and person injury and will void the warranty.

  • Page 84: Replacement Parts Information

    6.6 REPLACEMENT PARTS INFORMATION 6.6.1 How to Access Components Before accessing any components in the fireplace always first shut off power and gas to the fireplace. This fireplace has been designed to make accessing the components as easy as possible. Most of the components including the valve and control board can be accessed and replaced without having to remove anything from inside the firebox.

  • Page 85: Convection Air Blower System Parts

    Convection Blowers: The convection blowers are mounted at the rear of the fireplace. To remove the blowers firs t remove the floorplate and burner from the firebox. Then unscrew the pilot bracket and air shutter components from the air box. Then unscrew the airbox and lift it out of the fireplace.

  • Page 86: Gas Train Assembly Parts

    6.6.4 Gas Train Assembly Parts ML39 Gas Train Assembly Parts ML47, ML54, and ML60 Gas Train Assembly Parts 85-03-01205 ML-SERIES FIREPLACE Page 86...
  • Page 87 ML72 Gas Train Assembly Parts 85-03-01205 ML-SERIES FIREPLACE Page 87...

  • Page 88: Glass Frame Parts Replacement Procedure

    Glass Frame Parts Replacement Procedure W A RNING: do not use substitute mate r ials. A ll r e plac e me nt mate r ials must be c e r tifie d and obtaine d thr ough Me ndota fir e plac e s. TO REPLACE DAMAGED GLASS Bend glass retainer tabs up 90 degrees.

  • Page 89: Warranty Qualification And Service

    ❑ Burner flames are “stable” and are not “lifting” off burner. ❑ Inform owner that an initial curing step is required. Read and follow Mendota Fireplace and Insert Curing Instructions (found on unit and in owner’s manual). Smoke will emit during initial curing step.

  • Page 90: Warranty Policy Statement

    7.2 WARRANTY POLICY STATEMENT Mendota Fireplace, a division of Johnson Gas Appliance Company, extends this Limited Lifetime Warranty to the original purchaser of this appliance provided the product remains in the original place of in stallation. The items covered by this limited warranty and the period of such coverage is set forth in the table below.

  • Page 91: Conditions

    Owner accepts that this appliance requires close monitoring of children and vulnerable individuals who are in the vicinity of this appliance when it is in operation. Mendota does not assume or accept any liabilit y...

  • Page 92: Limitations Of Liability

    7.3.3 How to Obtain Warranty Service If you discover a problem that you believe to be covered by the warranty, you must report to your Mendota Dealer within 30 days, with proof of purchase, purchase date, model name and serial number.

  • Page 93: Owner Registration

    7.3.4 Owner Registration After installation, Mendota fireplace owners must register with Mendota to qualify for the Lifetime Limited Warranty within 3 0 days. Product registration will activate your Lifetime Limited Warranty. Owners should complete the forms available at: mendotahearth.com/warranty Note: Your Mendota dealer can assist with warranty applications and information.
  • Page 95 Johnson Gas Appliance Company 520 E Avenue NW Cedar Rapids, Iowa 52405 Mendota Warranty Registration...

This manual is also suitable for:

Ml47- aa-11-04390Ml54- aa-11-04283Ml60- aa-11-04281Ml72- aa-11-04593

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