Mendota DXV45DT4 Installation And Operating Instructions Manual
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Mendota DXV45DT4 Installation And Operating Instructions Manual

Mendota DXV45DT4 Installation And Operating Instructions Manual

Direct vent gas fireplace heater
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MODEL NO. AA-11-04153 DXV45DT4 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.
Installation and Operating Instructions
85-03-01114-L
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.
HDXV45DT4

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  • Page 1 Installation and Operating Instructions MODEL NO. AA-11-04153 DXV45DT4 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 85-03-01114 DXV45DT4 Page 2...

  • Page 3: Caution Statements To Parents Of Young Children

    During the initial curing phase, some smoke and odor will be emitted. This is normal. The installer should perform these initial curing cycle procedures as the final step in the installation process before 3.1.1 Mendota Fireplace Curing Instructions. Read and finishing materials are installed around this fireplace. See chapter follow all instructions given in this Chapter and perform the 3-step curing cycle.

  • Page 4: Table Of Contents

    1.2 I ....... 3 NITIAL IRING AND URING ROCEDURE 1.3 H ........3 3.2.2.3.1 Mendota Cool Wall………..........33 URFACES ARE ORMAL 3.2.2.3.2 Versiheat…………………..........34 1.4 P .... 3 ERIODIC AND ANNUAL CLEANING ARE REQUIRED 3.2.2.3.3 FlexHeat…………………........... 35 2.1 SAFETY AND WARNING INFORMATION ....
  • Page 5 5.8 O ......... 83 PERATING NSTRUCTIONS 4.5 V ..............59 5.9 T ........ 83 ENTING AS TO IREPLACE 5.10 FREQUENTLY ASKED QUESTIONS ......84 4.6 SERIES POWER VENTING ........66 6.1 R ....... 88 EQUIRED ERIODIC NSPECTIONS 4.7 PREPARING REAR BURNER FOR LOG SET 6.2 C .........

  • Page 6: Safety And Warning Information

    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

    HIGH-ALTITUDE INSTALLATION INFORMATION: Prior to installing at altitudes higher than 7,500 ft., understand the need for gas input derating. Contact your local gas company to see if your gas type is already derated for your altitude or contact Mendota Technical Service for support.
  • Page 8 Never obstruct the flow of combustion and ventilation air. Keep the front of the fireplace clear of all obstacles and materials for servicing and proper operation. Use only Mendota approved Screens, Fronts and Trim Kits. Due to high temperature, the fireplace should be located out of traffic areas and away from furniture and draperies.
  • Page 9 été plongée dans l’eau. Do not use any fronts or doors with this fireplace unless they are certified by Mendota and installed by a certified installer.
  • Page 10 A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation Page 10 85-03-01114 DXV45DT4...

  • Page 11: General Technical References

    If pilot goes out, always wait 5 minutes before attempting to relight pilot. 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 vent caps only. Keep the flue warm...
  • Page 12 ATTENTION It is important that the blowers are turned on during this step to prevent the curing smoke from staining the wall finish above the fireplace. Mendota recommends completing Step 1 prior to installation of wall finish materials. Visible smoke and strong odor are to be expected during this step. If desired, disable smoke alarms before this step, smoke from the initial curing cycle will set off smoke alarms.

  • Page 13: Mechanical Technical References

    The listing label is in the air gap beneath the firebox behind the lower grill of the Fireplace. It is secured to a chain and can be pulled out to be viewed. Figure 3-1 Listing Label Page 13 85-03-01114 DXV45DT4...
  • Page 14 A few warnings or caution labels are attached to this appliance body as required per code to inform you of important facts. Make certain you heed all the warning and caution statements during installation and maintenance of this appliance. Figure 3-3 Figure 3-2 Figure 3-5 Figure 3-4 Figure 3-7 Figure 3-6 Figure 3-8 Page 14 85-03-01114 DXV45DT4...
  • Page 15 Figure 3-9 Figure 3-10 Page 15 85-03-01114 DXV45DT4...
  • Page 16 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: • Where the appliance is to be installed.
  • Page 17 Dimensions and Technical Details DXV45DT4 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, 1.5 Amps (minimum line voltage allowed 110 Volts AC) REQUIRED GAS SUPPLY PRESSURE: NAT.
  • Page 18 LPG. 11”WC Minimum inlet pressure required. For the DXV45 DT4 LPG application, Front and Rear orifices are to be #53 (Rear) and 3/64” (Front). For higher altitude, adjustment to orifice size may be necessary. Page 18 85-03-01114 DXV45DT4...
  • Page 19 Note: For every 1” this fireplace is raised off the floor, the non-combustible hearth protection pad may be reduced by 2”. If this fireplace is raised more than 6” off the floor, no hearth protection pad is required. See Chapter 3.2.4.1 Hearth Pad Requirement Page 19 85-03-01114 DXV45DT4...

  • Page 20: Hearth Pad Materials

    If these materials are used it is recommended that the fireplace is raised at least 12” above the floor. 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 21 If the mantel is constructed of non combustible materials, it may be placed at any distance above the top air gap. Caution: Materials made of porous stones or sedimentary rocks may crack due to expansion of the material if placed around this appliance. Use suitable materials which are crack resistant and high temperature resistant. Page 21 85-03-01114 DXV45DT4...
  • Page 22 If the appliance is being installed on a cement slab, a layer of plywood may be placed underneath this fireplace to prevent conducting cold up into the room Figure 3-19 Floor to Vent Cap Center Dimension Page 22 85-03-01114 DXV45DT4...
  • Page 23 3. Minimum Clearance from vertical vent pipe sides to combustibles is 1”. 4. Minimum Clearance below horizontal vent pipe or components is 1”. 5. Minimum Clearance above elbows and horizontal vent pipe and components is 3”. Page 23 85-03-01114 DXV45DT4...

  • Page 24: Hearth Pad Materials

    If these materials are used it is recommended that the fireplace is raised at least 12” above the floor. 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 25 12"+6” = 18” above the convection air opening. DO NOT deviate from this minimum clearance requirement. Doing so can lead to a severe fire hazard. Note: The distance from the Floor Level of this Fireplace to the Top Air Gap is 33”. Figure 3-22 Mantel Clearances Figure 3-23 Mantel Clearances Page 25 85-03-01114 DXV45DT4...

  • Page 26: Horizontal Clearance Reduction By 66

    NPFA 211 Approved: Install an R-1 rated ceramic board or R-1 rated mineral board on the wall you are attempting to protect. by using this method of protection, if the required horizontal clearance was 12”, the resulting clearance will be reduced by 50% to 6” between the heat source and the R-1 Rated wall board. Page 26 85-03-01114 DXV45DT4...
  • Page 27 HINT: To greatly reduce surface temperatures surrounding this Fireplace during operation, Mendota recommends operating the integrated convection air blowers which aid in cooling all surrounding surfaces. Mendota Fireplaces comply with ANSI Z21.88-2017 Standards for maximum surface temperatures (ambient plus 117 F) on exposed “combustible”...
  • Page 28 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. This also includes any off-gassing or unpleasant smells from materials when they are heated.
  • Page 29 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 30: Paint Types Approved For Use

    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 31 Many television manufacturers specify in their installation instructions that the television must not be installed near or above a heat source. The decision to install a television near or above a Mendota fireplace rests solely on the consumer. It is the consumers responsibility to satisfy television specifications and insure the television will not exceed maximum operation temperatures.
  • Page 32 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 used correctly these heat transfer systems can make it possible to mount a television above the fireplace without installing a mantel or creating a recessed cavity.

  • Page 33: Mendota Cool Wall

    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 34: Versiheat

    Because the Versiheat system must be running to reduce temperatures the fireplace cannot be operated during a power outage. Testing has shown that when using two Versiheat systems temperatures above the fireplace are reduced making it possible to mount a television 15” above the fireplace’s top air gap. Page 34 85-03-01114 DXV45DT4...

  • Page 35: Flexheat

    Because the FLexHeat system must be running to reduce temperatures the fireplace cannot be operated during a power outage. Testing has shown that when using the FlexHeat system temperatures above the fireplace are reduced making it possible to mount a television 12” above the fireplace’s top air gap. Page 35 85-03-01114 DXV45DT4...
  • Page 36 Stove gasket cements may be used at pipe joints but is not required The DXV45DT4 Fireplaces requires coaxial rigid-5” diameter exhaust and 8” diameter air inlet and approved vent caps for most installations. In some special cases, flexible ducting may be used. Contact Mendota Technical Service Department if your installation requires other than standard rigid 5”X8”...
  • Page 37 Flue Venting Components Identification Diagrams Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venting requirements and venting restrictions. ITEM DESCRIPTION 6" or 7” PIPE (DuraVent 6”/Amerivent 7”), 9”, 12” 12" VENT STACK 24"...
  • Page 38 Approved Vent Systems Figure 3-28 Approved Vent Systems Page 38 85-03-01114 DXV45DT4...
  • Page 39 (30 cm) minimum ‡) Clearance to inside corner - 12 inches (30 cm). Minimum 24” horizontal clearance to any surface, Vinyl surfaces require 24” min (60 cm). such as an exterior surface, for vertical terminations. Page 39 85-03-01114 DXV45DT4...
  • Page 40 Masonry Conversion Kit # AA-11-03539 Mendota masonry conversion kit #AA-11-03539 is tested and approved for use with all Mendota ZC models that employ a 5” X 8” Coaxial Vent system. This kit can be ordered directly from Mendota Fireplaces. This kit employs a 5” flexible aluminum duct to expel exhaust. It is required that the existing masonry chimney and masonry liners be cleaned and fully inspected and repaired to guarantee structural integrity prior to installation of this vent kit.

  • Page 41: Electrical Technical References

    Plug the wire in to the back of the outlet box. The house power plugs into the plug that is towards the front of the fireplace. The plugs are designed so that they cannot be plugged into the wrong place. Once the wire is plugged in, place the wire into the junction box and reinstall the cover plate. Page 41 85-03-01114 DXV45DT4...
  • Page 42 You may operate this appliance indefinitely on battery power as long as you accept that high capacity DC 6-volt batteries will be required to sustain uninterrupted DC power to this appliance and that the blower function and accent light functions will not be available Figure 3-32 Backup Battery Pack Page 42 85-03-01114 DXV45DT4...
  • Page 43 The application is called “Proflame Connect” and is available in your phone’s app store. Please see the “Proflame WIFI Dongle; Use and Installation Instructions” PDF for installation and use instructions. Page 43 85-03-01114 DXV45DT4...

  • Page 44: Plumbing Technical References

    TRAIN. ADHERE STRICTLY TO LOCAL AND NATIONAL CODES. 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 left side. Use the table, below, to determine the proper gas line diameter that must be installed to run from the supply regulator to the main gas valve entry port.
  • Page 45 If local building codes require one, obtain an external keyed wall-mounted or floor-mounted manual gas shutoff valve approved per local gas plumbing codes and install per local gas plumbing codes in the specified location. Local requirements supersede all other codes. Figure 3-36 Keyed Manual Gas Shutoff Valve Page 45 85-03-01114 DXV45DT4...
  • Page 46 This appliance has been converted for use at an altitude of: Manifold Pressure: Orifice size: Input (Btu/h): Fuel Type: Date of conversion: Converted by: Page 46 85-03-01114 DXV45DT4...

  • Page 47: Installation Checklist

    Adjust air intake damper to match vertical chimney length. See 4.5.12 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 48  Teach consumer how to use remote control and all functions of this Fireplace http://mendotahearth.com/gas-fireplace-and-stove-registration.php  Complete warranty registration at This installation was performed and completed by: Date: Page 48 85-03-01114 DXV45DT4...

  • Page 49: Preparing For Installation

    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 Page 49...
  • Page 50 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. Inside the firebox, in a grey plastic wrapped foam container, you will find the log set. Contact Mendota Technical Service if any parts are missing. Glass Latch Tool #HA-77-00256 Must Leave with Homeowner.
  • Page 51 3. Remove screw driver. Insert screw driver tip into one hole in clip. Lift screw driver up. To break clip off, repeat up down motion of screw driver seven to eight times. Figure 4-4 Shipping Clip STEP 1 & STEP 2 STEP 3 Figure 4-6 Bend Up Clip 2 Figure 4-5 Bend Up Clip 1 Page 51 85-03-01114 DXV45DT4...
  • Page 52 Door is now connected and sealed to unit. SPRING LATCH GLASS FRAME ASSY. INSERT IN SLOT DETAIL A Page 52 85-03-01114 DXV45DT4...

  • Page 53: Light Bulb And Light Lens Installation

    3. Next, see diagrams, below. Install the light lens base gasket, light lens, light lens retainer bracket and the four retaining 10-24 nuts. Warning: Use a 3/8” hex hand driver to tighten nuts.DO NOT over tighten the nuts. Doing so can crack the light lens. Figure 4-8 Accent Light Bulb & Lens Installation Page 53 85-03-01114 DXV45DT4...

  • Page 54: Natural Gas To Lpg Conversion

    HINT: PACK SOME SOFT PAPER OR INSWOOL INSIDE DEEP WELL SOCKET TO STOP CAP ORIFICE FROM SLIDING TOO FAR INTO THE SOCKET. 6. Thread a new 3/64” drilled orifice to the Front Orifice mounting brass fitting and new #53 drilled orifice to the Rear Orifice mounting brass fitting. Tighten down orifices. Page 54 85-03-01114 DXV45DT4...
  • Page 55 9. Make certain front and rear burners are running parallel to front face of unit and positioned properly so that the pilot light flames are pointed properly towards the burner’s flame propagation ports. Figure 4-12 Burners Assembly Page 55 85-03-01114 DXV45DT4...
  • Page 56 14. See diagrams below and identify the pressure regulator on the valve body. Remove the left side controls access panel. Gas valve and the pressure regulator mounted on the gas valve are accessible through the opening on the left side. Page 56 85-03-01114 DXV45DT4...
  • Page 57 Warning: Correct operation of the system cannot be guaranteed if the conversion kit or value have been Figure 4-16 Pressure Regulator Conversion dropped or sustained strong impact. Page 57 85-03-01114 DXV45DT4...
  • Page 58 Verify that the burner tubes ignite quickly and the burner flames propagate smoothly along the entire length of the burners. Figure 4-17 Pilot Flame and Burner Ports Page 58 85-03-01114 DXV45DT4...

  • Page 59: Venting

    Fireplace. Oversights or failure to conform to all installation requirements will void the applicable warranty. The DXV45DT4 Fireplace must be vented vertically to the outside and must use a rigid coaxial ducting system. This heater must be properly connected to a venting system in accordance with the manufacturer's installation instructions.
  • Page 60 DXV45DT4 Master Venting Chart If using a Mendota approved power vent kit, consult the power vent instruction manual for additional venting configurations. Note: This chart is applicable to both natural gas and LP installations.  24” maximum horizontal pipe run allowed to be connected directly to this fireplace’s...
  • Page 61 Using 90 Elbows The DXV45DT4 Fireplace by MENDOTA allows maximum flexibility in the use of 90 elbows in the vent system. The length of the first straight vertical section directly connected to the fireplace’s starter collar determines the maximum horizontal run and the number of 90 elbows allowed for this fireplace.
  • Page 62 Seal with high-quality caulking around the outer perimeter of the vent cap. Note: Vent cap shall not be recessed into wall or siding. Figure 4-19 MINIMUM RISE HORIZONTAL VENT Page 62 85-03-01114 DXV45DT4...
  • Page 63 Be sure to maintain 1" air space to any combustibles on the sides and bottom, 2" above horizontal pipe sections. THIS FIREPLACE MUST BE INSTALLED BY A QUALIFIED MENDOTA APPROVED SERVICEPERSON. Position fireplace in desired location. Check to determine if wall studs are in the way when vent system is attached. If this is the case you may want to adjust the fireplace location.
  • Page 64 2” above horizontal pipe sections and components. THIS FIREPLACE MUST BE INSTALLED BY A QUALIFIED MENDOTA APPROVED SERVICEPERSON. 1. Place the fireplace in its desired location. Drop a plum bob from the ceiling to the position of the fireplace flue exit.
  • Page 65 Damper Position Indicator. Loosen damper base screw. Turn counter- clockwise to close the vent damper, tighten screw. If this fireplace’s vent is terminated horizontally, DO NOT CLOSE the vent damper completely. Figure 4-20 Exhaust Damper Adjustment Page 65 85-03-01114 DXV45DT4...

  • Page 66: Series Power Venting

    For detailed installation instructions follow the included with each power vent system. • The fireplace may be vented using a Mendota approved power vent. • The total vent length must be between 1’ to 80’ and can use up to 6 90° elbows or combination of other elbows equaling 90°.

  • Page 67: Preparing Rear Burner For Log Set

    The rear tabs are designed to help hold the rear logs upright and prevent rear logs from rolling over the burner. Once you have installed the rear logs, insert a flat screw driver tip in to each tab slot and bent back slightly to put slight pressure on rear logs. Page 67 85-03-01114 DXV45DT4...
  • Page 68 Figure 4-21 PREPARING REAR BURNER Page 68 85-03-01114 DXV45DT4...

  • Page 69: Dxv45 Log Set Installation

    Lay out the log pieces on a soft flat surface and arrange them according to the diagram, below, to aid you in through the installation process. DXV45-DT3 LOG SET PARTS IDENTIFICATION Also included but not shown here are a 24 oz. bag of small coals and one bag of Inswool. Page 69 85-03-01114 DXV45DT4...
  • Page 70 MAKE SURE THERE IS NO AIR SPACE DIRECTLY UNDER THIS LOG. While pushing log “B” down, put your fingers behind the top of log “B” to get a slight angle forward of about 10 degrees. Log “B” installed correctly Page 70 85-03-01114 DXV45DT4...
  • Page 71 Log “D” will be tipped slightly forward to a maximum of a 10 degree angle once logs “G” & “H” are installed. Push log “D” up against inside curve of burner. Page 71 85-03-01114 DXV45DT4...
  • Page 72 “D”. The front end of log “H” will be resting to the right end of the front burner tube as shown. HOLE HOLE IN “H”. Log “H” front tip sits on flat crimp of front burner Page 72 85-03-01114 DXV45DT4...
  • Page 73 Place Log “J” as shown here. You will find that it sits down well and “self- positions” on the ember bed. You may rotate the position of this log as it suites your taste. Exact position is not critical. Page 73 85-03-01114 DXV45DT4...
  • Page 74 Also brush lightly over center burner tube and rear burner tube. Be carefuly when brushing on middle and rear burner tubes. Do not deposit large chunks of inswool on middle or rear burners. Attempt to break inswool into small fibers as you brush. Page 74 85-03-01114 DXV45DT4...
  • Page 75 Installer/Dealer adjust the log positions of the logs and coals and also conduct a thorough evaluation of the venting configuration to make certain that the venting configuration conforms to Mendota’s venting requirements, which are listed in this Installation and Operations Manual.

  • Page 76: Air Shutter Control Andf

    IMPORTANT: Try each new shutter setting approx. ½ hr. before making additional changes. NOTE: Changes in front burner flame can be made by re-arranging the coals and front burner air shutter opening. Page 76 85-03-01114 DXV45DT4...

  • Page 77: Lighting Checklist

    ☐ DO NOT proceed with operation unless burner cycles "on/off" without delays and the flame is "stable" and not "lifting" off burner after 5 minutes of initial ignition. Caution: If pilot goes out, be sure to wait a minimum of five minutes before relighting. Page 77 85-03-01114 DXV45DT4...

  • Page 78: Aesthetic Considerations

    We are committed to quality and satisfaction for all Mendota owners. Thank you for choosing a Mendota to be a source of comfort and beauty in your home.
  • Page 79 3. Up/Down Button: This button is used to increase or decrease the thermostat temperature, flame height, fan speed, and accent light intensity. This also controls the rear burner on/off. 4. Mode Selection Button: This button is used to toggle between the various function icons: flame height, fan speed, accent light, and rear burner. Page 79 85-03-01114 DXV45DT4...

  • Page 80: Remote Control Operating

    Press the on/off button. Understanding Your Remote-Control Icons Your remote control displays and controls the following functions. See below for detailed control explanations. Note: the “AUX On” function is not used in this fireplace. Figure 5-3 Remote Control Icons Page 80 85-03-01114 DXV45DT4...
  • Page 81 The flame height of the front burner will not change when you turn the rear burner on or off. The flame height can only be changed in the Flame Height mode. 85-03-01114 DXV45DT4 Page 81...

  • Page 82: Ipi And Pilot On Demand M

    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 °...

  • Page 83: Operating Instructions

    3. Turn off the internal manual shutoff valve in the appliance. 4. Turn OFF the external manual shutoff valve if was required and supplied by installer and mounted adjacent to fireplace. 5. Turn OFF all electric power to the fireplace if service is to be performed. Page 83 85-03-01114 DXV45DT4...

  • Page 84: Frequently Asked Questions

    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 85 3” to 12” long area) and the gasket adhesive in no longer functional to stick to glass, then replace the gasket. 9. Visually inspect the vent terminal (vent cap) for leaves, twigs and other debris accumulation. Clean if required. 10. Clean door glass. 11. Clean enamel firebox lining, if one is installed. Page 85 85-03-01114 DXV45DT4...
  • Page 86 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 87 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. What happens when I first light my fireplace? When you first light your fireplace, the initial curing phase is initiated.

  • Page 88: Required Periodic Inspections

    Check glass gasket seal. Visually inspect glass gasket, especially at the corners of the glass piece. Glass gasket is installed as a 4- piece assembly. Check joints between the gasket pieces at the corners. They should butt against each other to create a seal. Gaps between gasket pieces can cause exhaust leaks and lead to acrid smell concerns. 85-03-01114 DXV45DT4 Page 88...

  • Page 89: Over Firing Or Under Firing Of

    If you are using a “backyard” Natural Gas well as the gas source, you must submit formal gas analysis data sheets to Mendota Fireplaces for review and calculation of proper main burner orifice sizes prior to first firing. It is known that unpurified Natural Gas from “backyard” wells can contain high energy levels causing over firing.

  • Page 90: Replacement Parts Information

    REAR ORIFICE (Nat. Gas) # 38 35-01-00239 GLOWING INSWOOL 65-14-00044 FRONT ORIFICE (NAT. Gas) # 44 35-01-00302 FIREBRICK KIT 65-14-00053 REAR ORIFICE (LP Gas) # 53 65-14-00364 FRONT ORIFICE (LP Gas) # 3/64 05-02-00344 885 PROFLAME SIT VALVE Page 90 85-03-01114 DXV45DT4...
  • Page 91 Convection Air Blower System Parts Item 1 15-02-00120 BLOWER, RH Item 2 15-02-00121 BLOWER, LH Figure 6-3 DXV45DT4 BLOWER ASSEMBLIES Accent Light Parts Item #1 Ha-58-04606 ACCENT LIGHT HOUSING Item #2 10-11-00020 LIGHT BULB, G9 XENON, 25W Item #3 10-11-00025...
  • Page 92 Main Gas Valve Item 2 05-02-00396 Rear Burner Solenoid Valve Item 3 05-04-00074 Pilot Assembly, 3-way hood Item 4 65-14-00044 Front Burner Orifice #44 Item 5 65-14-00038 Rear Burner Orifice #38 Figure 6-5 Valve Assembly Replacement Parts Page 92 85-03-01114 DXV45DT4...
  • Page 93 The glass frame assembly and its individual components are available through Johnson Gas Appliance Company. Contact your dealer for more detailed ordering information. GLASS FRAME ASSEMBLY # HA-42-00210 REPLACEMENT PARTS LIST ITEM PART NUMBER DESCRIPTION HA-41-03132 FRAME, GLASS, DXV45DT4 GASKET, TADPOLE, 5 /8” BULB, 3/4” TAIL, 110” 65-02-00103 65-06-00658 GLASS, CERAMIC, DXV45DT4 Page 93 85-03-01114...

  • Page 94: Checklist

     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 95: 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 installation. The items covered by this limited warranty and the period of such coverage is set forth in the table below.

  • Page 96: 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 liability claims for burns or other physical or material damages resulting from touching hot glass surface and hot metal surfaces that are part of this appliance or other adjacent object such as hearth pads and mantels that may heat up during operation of this appliance.
  • Page 97 How to Obtain Warranty Service 1. 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 98 Owner Registration After installation, Mendota fireplace owners must register with Mendota to qualify for the Lifetime Limited Warranty within 30 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 100 Johnson Gas Appliance Company 520 E Avenue NW Cedar Rapids, Iowa 52405 Mendota Warranty Registration...

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Aa-11-04153

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