Mendota DXV-35 Installation & Operating Instructions Manual
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Mendota DXV-35 Installation & Operating Instructions Manual

Gas direct vent fireplace
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See also: Installation Instructions and Operating Manual
GAS DIRECT VENT FIREPLACE
Model DXV-35 TIMBER FIRE with Direct Rear Vent Option
INSTALLATION & OPERATING INSTRUCTIONS
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance
or additional information consult a qualified installer, service agency or the gas supplier.
FOR YOUR SAFETY:
IF YOU SMELL GAS:
1.
OPEN WINDOWS.
2.
DO NOT TOUCH ELECTRICAL SWITCHES.
3.
DO NOT TRY TO LIGHT ANY APPLIANCE.
4.
EXTINGUISH ANY OPEN FLAME
5.
DO NOT USE THE PHONE IN YOUR BUILDING.
6.
IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR'S
PHONE.
7.
FOLLOW THE GAS SUPPLIERS INSTRUCTIONS.
8.
IF YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE
DEPARTMENT.
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.
HEARTHGLO SEALED COMBUSTION SYSTEM
STANDARD FRONT
IMPORTANT: THESE INSTRUCTIONS ARE TO REMAIN WITH THE HOMEOWNER!
MENDOTA
WITH
NO. TF-0605
FOR YOUR SAFETY
INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED
INSTALLER, SERVICE AGENCY, OR THE GAS SUPPLIER. DO NOT STORE
OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE
WARNING:
DO NOT OPERATE THIS APPLIANCE WITH THE GLASS
REMOVED, CRACKED OF BROKEN. REPLACEMENT OF GLASS
SHOULD BE DONE BY A
WARNING:
MENDOTA GAS FIREPLACES ARE HEAT PRODUCING
APPLIANCES. DO NOT BURN WOOD, PAPER OR OTHER
MATERIALS IN THE FIREPLACE. THE FIREPLACE IS
DESIGNED AS A SUPPLEMENTAL HEAT SOURCE. IT IS
ADVISABLE TO HAVE AN ALTERNATE HEAT SUPPLY.
BAY FRONT
LICENSED OR QUALIFIED PERSON.

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Summary of Contents for Mendota DXV-35

  • Page 1 MENDOTA GAS DIRECT VENT FIREPLACE WITH HEARTHGLO SEALED COMBUSTION SYSTEM Model DXV-35 TIMBER FIRE with Direct Rear Vent Option STANDARD FRONT BAY FRONT INSTALLATION & OPERATING INSTRUCTIONS NO. TF-0605 WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.

  • Page 2: Table Of Contents

    NATURAL TO LP GAS CONVERSION ______________________________________________________________________ 47 REPLACEMENT PARTS __________________________________________________________________________________ 48 MENDOTA DESIGNER FRONTS INSTALLATION INFORMATION _____________________________________________ 49 LABEL REPRESENTATION _______________________________________________________________________________ 51 WARRANTY QUALIFICATION FORM ______________________________________________________________________ 52 MENDOTA WARRANTY QUALIFICATION & SERVICE REFERENCE FORM_____________________________________ 52 MENDOTA EXTENDED LIFETIME PROTECTION AND LIMITED WARRANTY __________________________________ 55...

  • Page 3: Building Permit And Installation Inspection Approval Requirements

    Standards Institute - ANSI Gas Appliance Safety Standards The Mendota Gas DXV Fireplace has been tested and certified by Intertek Testing Services 8431 Murphy Drive, Middleton, WI FIREPLACE INCLUDES A HEARTHGLO SEALED COMBUSTION SYSTEM, 6-PIECE CERAMIC FIBER LOG SET &...

  • Page 4: Congratulations

    Clothing or other flammable material should not be placed on or near the Fireplace. The Mendota Gas Fireplace is a powerful, efficient heating unit. It has been designed as a major source of supplemental heat. As with any mechanical appliance there can be component shut downs. It is advisable to have an alternate heat supply.

  • Page 5: Locating The Fireplace And General Information

    The DXV Fireplace must be installed and serviced by a Mendota approved service person. Any adjustments to burner, pilot, logs or coal bed must be made by a Mendota approved service person. Pilot flame must be checked with voltmeter. Pilot flame must register ALWAYS a minimum of 325 on Millivolt meter.

  • Page 6: Top Vent And Rear Vent Options Discussion

    This Mendota Fireplace can be vented using AMERIVENT, DURAVENT, SELKIRK METALBESTOS, SECURITY CHIMNEY brands of coaxial pipe off the top or using 5”x8” coaxial pipe off the rear. Use only Mendota specified vents and vent caps when installing your fireplace. Closely follow venting locations, directions and requirements provided in this Manual. Observe the restrictions related to vent position on exterior of home (see pg.

  • Page 7: Gas Supply Requirements

    GAS SUPPLY LINE SIZING The Mendota Gas Fireplace comes equipped with a 3/8" N.P.T. (1.Ocm) inlet on the main gas valve. This may be removed if a ½" flexible connector is used. Gas supply piping can enter the Fireplace cabinet from either the left or right side.

  • Page 8: Gas Pressure Requirements

    GAS PRESSURE REQUIREMENTS A MAJOR CAUSE OF OPERATING PROBLEMS WITH GAS APPLIANCES CAN BE IMPROPER GAS PRESSURE! Such problems as changes in flame color or configuration, gas pilot or burner outages, intermittent operation, changes in heat output, excessive burner noise, etc. are nearly always the result of changes in gas pressure or improper gas pressure at the time of the installation.

  • Page 9: Exterior Vent Locations And Restrictions

    EXTERIOR VENT LOCATIONS AND RESTRICTIONS Figure 2: Exterior Vent Locations ALL MEASUREMENTS FROM CENTER LINE OF VENT CAP ∨ - ∧ - ≡ - Vent Terminal Air Supply Inlet Area where terminal is not permitted Clearance above grade, veranda, porch, deck, or *Not to be installed above a meter/regulator assembly balcony (*12 inches (30 cm) minimum).

  • Page 10: General Flue Venting Instructions

    Common vent systems are prohibited. To assure proper venting performance of the high-performance Mendota Direct Vent Fireplaces and Stoves, it is critical that the DuraVent GS and American Metals vent pipe sections are sealed tightly and leak-proof. This means that all pipe sections must be carefully rotated into the fully "twist-locked"...

  • Page 11: General Installation Instructions

    CAUTION: Each installation must conform to all local, state and national codes. Refer to the national fuel gas code and local zoning and code authorities for details on installation requirements. The Mendota Fireplace must be vented to the outside in accordance with the latest edition of the National Fuel Gas Code. In the absence of local codes, the installation must conform to the most current edition of the National Fuel Gas Code ANSI Z223.1, also known as NFPA 54.

  • Page 12: Instructions For Top Venting

    INSTRUCTIONS FOR TOP VENTING This section covers all pertinent information regarding the installation of this DXV-35 Fireplace using the Top Vent option. Read this entire section thoroughly before attempting to install this DXV35 Fireplace. Failure to follow all directions and failure to observe all restrictions and clearances can result in property damage, bodily injury or can lead to death.

  • Page 13: Specifications & Clearances For Top Venting

    : For L.P. & High Altitude (above 4,000 ft. but below 7500 ft.), 45º elbows must be used in place of 90º INSTALLATION AT ALTITUDES ABOVE 7,500 FEET, FIRST CALL elbows (see pg. 15 FOR MENDOTA TECHNICAL HOTLINE FOR FURTHER INFORMATION ON THE STRICT REQUIREMENTS FOR INSTALLATIONS AT THESE ALTITUDES. Using 45 elbows requires 19"...

  • Page 14: Top Flue Venting Components

    TOP FLUE VENTING COMPONENTS ITEM DESCRIPTION 12" VENT STACK (MIN. 9” REQ’D”) 24" VENT STACK (MIN. 9” REQ’D”) 36" VENT STACK (MIN. 9” REQ’D”) 48" VENT STACK (MIN. 9” REQ’D”) º GALVANIZED ELBOW º GALVANIZED ELBOW ADJUSTABLE WALL THIMBLE 6" or 7” PIPE (Duravent 6”/Amerivent 7”) ATTIC INSULATION SHIELD 12"...

  • Page 15: Flue Venting Requirements For Top Vent Systems

    FLUE VENTING REQUIREMENTS FOR TOP VENT SYSTEMS NOTE: FOR LP GAS & HIGH ALTITUDE, SEE PG. Figure 6: DXV35 Vertical & Horizontal Vent Requirements NOTE : 9” MINIMUM RISE CAN BE USED IF NO HORIZONTAL VENT SECTIONS GREATER THAN 6” (or 7”) ARE USED.

  • Page 16: L.p. Gas Minimum Height Horizontal Termination

    L.P. GAS MINIMUM HEIGHT HORIZONTAL TERMINATION L.P. G 4,000 . BUT BELOW 7500 FT.) AS OR LTITUDE ABOVE WALL THIMBLE REQUIRED TERMINATION CAP 6" COAX VENT (MIN.) 45° COAX VENT 45° COAX VENT 9" COAX VENT (MIN.) 19" (MIN.) 46 1/4" (MIN.) 85-03-00531 15 1/2"...

  • Page 17: Minium Rise Through The Wall Venting

    º a 3-foot vertical starter section must be used directly off the top of the fireplace. The DXV-35 Fireplace must be installed by a qualified Mendota approved service person. IMPORTANT: REFER TO DRAWINGS ON PAGES1215 WHILE FOLLOWING THESE INSTRUCTIONS 1. Position fireplace in desired location. See pg. 8 for guidelines on proper vent cap placement on the exterior of home.

  • Page 18: Top Vent Components List

    TOP VENT COMPONENTS LIST MENDOTA # DESCRIPTION 45-01-00186 7" LENGTH 45-01-00187 12" LENGTH 45-01-00188 24" LENGTH 45-01-00189 36" LENGTH 45-01-00190 48" LENGTH 45-01-00191 ADJUSTABLE LENGTH 45-01-00192 45 DEG. ELBOW 45-01-00193 90 DEG. ELBOW 45-01-00194 WALL THIMBLE 45-01-00195 VERTICAL CAP 45-01-00196...

  • Page 19: Elevated Through The Wall Venting

    IMPORTANT: REFER TO DRAWINGS ON PAGES12-15 WHILE FOLLOWING THESE INSTRUCTIONS. The DXV-35 Fireplace must be installed by a qualified Mendota service person. 1. Position fireplace in desired location. See pg. 8 for guidelines on proper vent cap placement on exterior of home.

  • Page 20: Vertical Through The Roof Venting

    IMPORTANT: REFER TO DRAWINGS ON PAGES1215 WHILE FOLLOWING THESE INSTRUCTIONS The DXV-35 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 21 7. Height "*H" of top of vent cap can be determined as follows: "H" DIMENSION ROOF PITCH FEET METERS FLAT to 6/12 7/12 to 9/12 10/12 to 12/12 13/12 to 16/12 17/12 to 21/12 Complete installation with storm collar and vent cap.

  • Page 22: Instructions For Rearventing

    INSTRUCTIONS FOR REAR VENTING This section covers all pertinent information regarding the installation of this DXV-35 Fireplace using the Rear Vent option. Read this entire section thoroughly before attempting to install this DXV35 Fireplace using the Rear Vent option. Failure to follow all directions and failure to observe all restrictions and clearances can result in property damage, bodily injury or can lead to death.

  • Page 23: Specifications & Clearances For Rear Vent System

    MENDOTA DXV-35 GAS DIRECT VENT FIREPLACE SPECIFICATIONS & CLEARANCES FOR REAR VENT SYSTEM USE ONLY DURAVENT 5"X8" COAXIAL PIPES AND VENTING COMPONENTS. 31 1/2 44 7/8 11 1/16 2X4 WALL 10 7/8 4 1/8 FOR 2X4 WALLS 2 5/8 FOR 2X6 WALLS...

  • Page 24: Rear Flue Venting Components

    High temperature foil tape must be used on the outer (air intake) pipe joints. The Milpak silicate 1000 sealant (#65-06-00909) can be ordered through Mendota directly. NOTE: DO NOT SEPARATE TELESCOPING SECTIONS.

  • Page 25: Rear Flue Venting Requirements

    : A 9” MAXIMUM HORIZONTAL PIPE SECTION CAN BE USED WHEN VENTING THE DXV35 USING THE REAR VENT OPTION AGAINST A FLAT EXTERIOR WALL or IN AN EXTERIOR CORNER. WARNING MENDOTA RECOMMENDS THE USE OF DURAVENT 5”X8” COAXIAL PIPES AND FITTINGS. DURAVENT COMPONENTS PROVIDE THE MOST FLEXIBILITY SINCE DURAVENT HORIZONTAL TERMINATION CAPS SLIDE FULLY OVER THE 6”...

  • Page 26: Instructions For Horizontal Venting Against Exterior Wall

    INSTRUCTIONS FOR HORIZONTAL VENTING AGAINST EXTERIOR WALL Mendota recommends the use of Duravent 5”x8” coaxial pipes and fittings. Duravent components provide the most flexibility since Duravent horizontal termination caps slide fully over the 6” or 9” straight pipe section used. Using Amerivent pipes and components are limiting and will increase the minimum framing depth.
  • Page 27 WARNING: Only Horizontal Runs are allowed when using the Rear Vent Option. 1. Position fireplace in desired location against an exterior wall. See pg. 8 for guidelines on proper vent cap placement on the exterior of home. Check to determine if wall studs are in the way when venting system is attached.

  • Page 28: Corner Installation Using The Rear Vent Option

    º maximum 9” horizontal run. NO OTHER ELBOWS OR OFFSETS ARE ALLOWED! CAUTION: Be sure to maintain 1" air space to any combustibles (2" above horizontal runs). The DXV-35 Fireplace must be installed by a qualified service person. Mendota recommends the use of Duravent 5”X 8” coaxial pipes and fittings. Duravent components provide the most flexibility since Duravent horizontal termination caps slide fully over the 6”...
  • Page 29 WARNING: Only Horizontal Runs are allowed when using the Rear Vent Option. When planning to install the DXV35 Fireplace with the rear vent option in an outside corner, it is recommended that thorough calculations and measurements be made prior to any construction. The diagonal distance desired will determine the exact location on the wall where the Horizontal Termination Cap will be placed relative to the inside corner.

  • Page 30: Dxv35 Rear Vent Conversion Instructions

    You must order the Rear Vent Starter Collar Kit #AA-11-00645 from Mendota directly in order to perform this conversion. The DXV-35, as delivered, comes with the Top Exhaust and Air Intake Collars installed as shown below. The rear Exhaust and Air Intake ports are plugged.
  • Page 31 Step 1: Remove the Top Outer Jacket by first removing all the screws shown in the diagrams below. Carefully lift the rear end up and slide the Top Outer Jacket rearward. Set aside the Top Outer Jacket and screws for use in Step 3. TOP OUTER JACKET REMOVAL REMOVE ALL 1/4"...
  • Page 32 STEP 2: Use an electric drill with a ¼” hex driver (with 6” extension) to remove the screws and parts from the top of the DXV-35 fireplace, as shown on left. IMPORTANT : Save Gaskets #65-02-00058 and 65-02- 00094 and screws # 50-01-00102 for use in STEP 2.
  • Page 33 STEP 4: Remove the rear plug plates and gaskets as shown below. Save only Gasket #65-02-00095 and Screws #50-01-00102. Extra Screws are provided with this kit. STEP 5: Exhaust Collar #HA-30-00175 has a high temperature rated fiberglass gasket material installed on its flange face (see page 2).

  • Page 34: Dxv Door Operation

    DXV DOOR OPERATION TO REMOVE DOOR (Flat shown) 1. Remove upper grill. 2. Open lower grill. 3. Place both thumbs on lower doorframe directly above Spring Loaded Door Holding Bar. 4. Reach fingers under Bar and pull Bar straight out from Fireplace front. 5.

  • Page 35: Timberfire Log Set Installation

    TIMBERFIRE LOG SET INSTALLATION With door removed, proceed as follows: 1. Before placing log assembly in firebox, fill space under Log Grate with coals. 2. Follow the diagrams below in the sequence given. Start by identifying the Log Pins and Pin Hole in the Airbox. Next, identify the log pieces according to the diagram below.
  • Page 39 The following Check Off Lists must be completed prior to final operation of the Fireplace, or manufacturer's warranty and liabilities will be voided:...

  • Page 40: Installation Check Off List

    INSTALLATION CHECK OFF LIST Co-axial vent rigid pipe, wall vent cap or roof vent cap must be installed by a Mendota approved person in accordance with instructions. All joints must be secured, "twist-locked" and leak-proof. 1000 F sealant must be used on the inner º...

  • Page 41: Lighting Instructions

    LIGHTING INSTRUCTIONS IMPORTANT: Be sure all items on "INSTALLATION CHECK OFF LIST" (pg. 39 have been completed! CAUTION: If the pilot goes out, be sure to wait a minimum of five minutes before relighting. BE SURE TO ALWAYS REMOVE THE GLASS BEFORE RELIGHTING THE PILOT. 1.

  • Page 42: Thermostat Or Remote Control Operation

    60 seconds and repeat lighting procedure. If burner does not come on immediately after second try recheck complete installation. If necessary, contact your Mendota dealer. NOTE: If thermostat is located over 25 ft. from fireplace the pilot flame may need to be increased up to 750 millivolt.

  • Page 43: Mendota Blower & Burner Removal & Installation

    BLOWER OPERATION The Mendota DXV Fireplace is designed so the blower operates at all times the fireplace is operating. The blower output can be regulated with the rheostat (included), but it must be "on" at all times the burner is "on". NOTE: There will be a time delay in blower operation during "heat-up"...

  • Page 44: Trouble Shooting Mendota Gas Dxv Fireplace

    If sooting continues open air shutter on burner (see "Gas Flame Adjustment" below). If sooting still continues, shut off unit and call Mendota service person. NOTE: To clean glass - remove glass and wipe glass with cloth or paper towel.

  • Page 45: Customer Information And Trouble-Shooting

    (usually a thin black film on the Fireplace viewing glass or on the outside of the home around the vent cap), the unit must be immediately turned off and the local Mendota dealer promptly informed.

  • Page 46: Maintenance

    MAINTENANCE 1. ANNUAL MAINTENANCE OF MENDOTA UNITS IS REQUIRED. The following procedures must be performed each year by a Mendota approved service person. NOTE: Any adjustments to burner, pilot or logs must be done by a qualified Mendota service person.
  • Page 47 3. THE VIEWING GLASS SHOULD BE CLEANED PERIODICALLY. Exterior glass may be cleaned with cleaner as desired. Interior glass - use KEL KEM "Polish Plus" (part # 65-06-00455) or comparable product. Do Not use oven cleaner or abrasive cleaners to clean glass. DO NOT CLEAN WHEN GLASS IS HOT. 4.

  • Page 48: Natural To Lp Gas Conversion

    NATURAL TO LP GAS CONVERSION HA-30-00237 (OPTIONAL) This conversion must be made by a qualified service technician. Install main burner orifice #65-14-00050 (#50 drill) see pg. 42 for location. Orifice is removed and installed with a ½” deep well socket and ratchet. Install pilot orifice #05-04-00036 (.014”) see pg.

  • Page 49: Replacement Parts

    REPLACEMENT PARTS MENDOTA GAS DXV-35 FIREPLACE PART NO DESCRIPTION PART NO DESCRIPTION HA-29-00035 DOOR GASKET 05-04-00035 PILOT ASS'Y. NAT. 05-04-00036 LP PILOT ORIFICE 65-06-00463 GLASS – FLAT 05-07-00067 THERMOCOUPLE HA-30-00012 DOOR FRAME ASS'Y. – FLAT HA-29-00028 MAIN ORIFICE (Nat. Gas) # 32 65-06-00623 GLASS –...

  • Page 50: Mendota Designer Fronts Installation Information

    To install Tile, Marble, Slate, Stone, Rocks or other noncombustible facings to enhance the arch shape of the Andover Doors or the Rectangular shape of the Prairie Doors, do so only after the Andover or Prairie Door Kits have been installed on the DXV-35 Fireplace.
  • Page 51 Wellington Front and Deerfield Front. If planning to install the Wellington Front, the hearth protection pad installed in front of the DXV-35 Fireplace must be designed, built and installed so that the hearth protection pad’s top surface is flush with the HEARTH PAD bottom-most surface of the DXV35 Fireplace.

  • Page 52: Label Representation

    " Label Representation" DXV35 TIMBER FIRE Also for use in mobile (manufactured) homes after first sale of home. Tested to ANSI Z21.88 (2002) - CSA 2.33 (2002) _________________________________________________ WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury, or loss of life.

  • Page 53: Warranty Qualification Form

    As a part of Mendota's on-going program of customer satisfaction, this Form verifies proper installation and operation. It is important as a reference for future service. It insures long life and trouble-free operation of Mendota fireplaces & stoves and qualifies the owner for Mendota's lifetime limited warranty.
  • Page 54 OPTIONALLY, PLEASE REGISTER AT OUR WEBSITE AT: WWW.JOHNSONGAS.COM/MENDOTA-REGISTRATION.ASP...
  • Page 55 TAPE SHUT -------------------------------------------------------------------------------------------------------------------------------------------------------- POSTAGE NEEDED JOHNSON GAS APPLIANCE COMPANY 520 E AVENUE N.W. CEDAR RAPIDS, IA 52405...

  • Page 56: Mendota Extended Lifetime Protection And Limited Warranty

    The use of unauthorized components will make this warranty null and void. This warranty shall be effective only if the original purchaser of the Mendota appliance is registered with Mendota Division within thirty (30) days of the date of purchase. Such registration or the failure to register shall not be deemed to create any obligation or liability by the manufacturer and this warranty with its conditions and limitations shall be the only procedure for obtaining any rights against the manufacturer and expresses the sole obligation and responsibilities of the manufacturer which are offered to the original purchaser and accepted upon purchase of the appliance.
  • Page 57 Johnson Gas Appliance Company 520 E Avenue N.W. - Cedar Rapids, IA 52405 Mendota Hearth Division WEBPAGE: www.johnsongas.com www.mendotahearth.com Part #85-03-00686...

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