Mendota FV46 Installation Instructions Manual

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Page 1 FULLVIEW DIRECT VENT GAS FIREPLACE HEATER Model FV46 INSTALLATION INSTRUCTIONS MANUAL DOCUMENT NO. FV46-IM-0412 WARNING: If the information in this manual is not followed AVERTISSEMENT : Assurez-vous de bien suivre exactly, a fire or explosion may result causing property dam- les instructions donné...
Page 2: Safety And Warning Information
WARNING Cet appareil peut être installé dans un maison Mendota gas fireplaces are heat producing appliances. préfabriquée (mobile) déjà installée à demeure si les Do not burn wood, paper or other materials in this fire- règlements locaux le permettent.
Page 3 Always KEEP the appliance clear and free from combustible materials, gasoline, and other flammable vapors and liquids. NEVER OBSTRUCT the flow of combustion and ventilation air. Keep the front of the appliance CLEAR of all obstacles and materials for servicing and proper operation. Due to high temperature, the appliance should be LOCATED out of traffic areas and away from furniture and draperies.
Page 4: Table Of Contents
INSTALLATION CHECK OFF LIST ................................34 LIGHTING CHECK OFF LIST .................................. 34 FV46 LOG SET INSTALLATION INSTRUCTIONS ..........................35 TROUBLE SHOOTING THE FV46 FIREPLACE & MAINTENANCE INFORMATION................48 MAINTENANCE ....................................... 49 NATURAL TO LP GAS CONVERSION ..............................51 LP GAS PRESSURE REQUIREMENTS ..............................55 FV46 VALVE ASSEMBLY REPLACEMENT PARTS ..........................
Page 5 Specific Requirements for the Common Wealth of Massachusetts 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: 1.
Page 6: Fv46 Full View Gas Fireplace Dimensions
FV46 FULL VIEW GAS FIREPLACE DIMENSIONS OVERALL APPLIANCE DIMENSIONS AND FEATURES 36 5/8 WALL RECEIVER & 9 3/8 LIGHT HARNESS 5"X8" COAXIAL VENT CONNECTOR WOOD FRAMING STANDOFF TOP 1" 22 3/8 FINISHING GUIDE 39 7/8 OUTER GUIDES DEPTH 38 in. INNER GUIDES 35-3/4"...
Page 7: Technical Specifications For Fv46
HIGH ALTITUDE INSTALLATION INFORMATION: Prior to installing at altitudes higher than 7500, please con- tact the Mendota technical service department for specific venting requirements and venting restrictions. P a g e...
Page 8: Congratulations
Fireplace and replace any part of the control system and any gas control, which has been under water. DO NOT use this fireplace if the burner does not light immediately. Turn unit off and call Mendota ap- proved service person if there is any delay in burner light off.
Page 9: General Appliance Specifications
FV46-M DIRECT VENT GAS FIREPLACE GENERAL APPLIANCE SPECIFICATIONS HIGH ALTITUDE INSTALLATION INFORMATION: Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venting requirements and venting restrictions. 48" MIN. 40-3/4" ROUGH FRAMING WIDTH 57-1/2"...
Page 10: Mantel Clearances
MANTEL CLEARANCES Mantel Clearances for this fireplace may be measured from the top of the convection air opening or the floor level of this fireplace. The location that is referenced normally to measure mantel clearances is the Top of the Convection Air Opening. For ease, however, measure up from the floor level of this fireplace.
Page 11: Clearances To Combustibles From Appliance Surfaces
CLEARANCES TO COMBUSTIBLES FROM APPLIANCE SURFACES Clearances to Combustibles 0" CLEARANCE FROM TOP STANDOFFS 1/2" CLEARANCE FROM BACK 1/2" CLEARANCE FROM SIDES 11 | P a g e...
Page 12: Planning The Installation
PLANNING THE INSTALLATION When planning on appliance installation, it is necessary to determine the following information before installing: • Where the appliance is to be installed. • The vent system configuration to be used. • Gas supply piping. • Electrical Wiring. •...
Page 13: Rough Framing Dimensions
DESCRIPTION DIMENSION (INCHES) ing cavity with a 90 elbow installed on the top Width 48” starter collar. After the FV46 Fireplace is inserted Height 55” into the rough framed cavity, install one 2x4 on Depth 22-1/2” (22” Granite/Marble Facing) each side adjacent to the side of this fireplace’s Vent opening height 10-3/4”...
Page 14: Framing Depth And Finishing Guides
FRAMING DEPTH and FINISHING GUIDES The framing depth for this fire- OUTER FINISHING place is 22-1/2 inches. This is a GUIDES (TOP, L & R) fixed depth required for all in- stallations, except a corner in- stallation and for installations that use solid Granite or Marble slabs as fascia materials.
Page 15 FINISHING MATERIALS INSTALLATION All finishing materials that surround this fireplace’s rectangle profile must extend out from the face surface of this fireplace 1 inch. Tiles and Faux Rock If installing Tiles or Faux Rock, first install a ½” thick (minimum) Cement Board (Hardibacker or Durock Brand) over the face of the fireplace and framing members.
Page 16: Hearth Protection Pad Requirements
R-1 minimum AND it mineral board with a K-factor of 0.29. Determine if the proposed must extend 18 inches in front of the fireplace face if the FV46 layers will provide the minimum R=1 rating.
Page 17: General Information
HEATING PERFORMANCE: With its high heat output this Mendota Fireplace will heat a large area of your home if located properly to maximize heat/ air cir- culation. Air movement options for maximizing heat circulation that can be considered are the continuous operation of central heating furnace blowers or ceiling fans.
Page 18: Gas Supply Requirements
Correct gas pressure and proper gas supply line sizing is required. 13 7/8" GAS SUPPLY LINE SIZING This Mendota Gas Fireplace comes equipped with a 1/2" N.P.T. Female in- let. Gas supply piping must enter the Fireplace cabinet on the left side. 9 7/8"...
Page 19: Gas Pressure Requirements
GAS PRESSURE REQUIREMENTS One of the main causes of operating problems with gas appliances can be improper gas pressure! Problems such 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 pres- sure at the time of the installation.
Page 20: General Installation Instructions
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. NOTE: The Mendota FV46 Fireplace is approved for mobile home and bedroom installations.
Page 21: General Flue Venting Instructions
Common vent systems are prohibited. To assure proper venting performance of this high-performance Mendota Direct Vent Fireplace, it is critical that all brands of 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 22: Exterior Vent Locations And Restrictions
EXTERIOR VENT LOCATIONS AND RESTRICTIONS ∨ - ∧ - ≡ - Vent Terminal Air Supply Inlet Area where terminal is not permitted Clearance above grade, veranda, porch, deck, or balco- *Not to be installed above a meter/regulator assembly ny (*12 inches (30 cm) minimum). Vinyl surfaces re- within 3 feet (90 cm) horizontally from the center-line of quire 24”...
Page 23: Flue Venting Components Identification
DO NOT SEPARATE TELESCOPING SECTIONS. USE TELESCOPING SECTIONS AS COMPLETE ASSEMBLIES. HIGH ALTITUDE INSTALLATION INFORMATION: Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venting require- ments and venting restrictions. ITEM DESCRIPTION 6"...
Page 24: Fv46 Master Flue Venting Requirements Chart
FV46 MASTER FLUE VENTING REQUIREMENTS CHART NOTE: THIS CHART IS APPLICABLE TO BOTH NATURAL GAS AND LPG INSTALLATIONS. IMPORTANT NOTES: 1. 18 inches maximum horizontal pipe run allowed with a 90 elbow connected directly to this fireplace’s flue starter col- lar.
Page 25: Important Venting Configuration Notes
USING 90 ELBOWS IN ZONE “B” The FV46 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 26: Approved Vent Systems
APPROVED VENT SYSTEMS QUICK REFERENCE CHART Approved Vent Systems STRAIGHT UP, VERTICAL VENTING ZERO VERTICAL HORIZONTAL TERMINATION VERTICAL RISE HORIZONTAL TERMINATION 61 FEET MAXIMUM APPROVED APPROVED APPROVED VERTICAL RISE DUAL 90° ELBOWS HORIZONTAL TERMINATION VERTICAL RISE DUAL 90° ELBOWS VERTICAL TERMINATION ZERO VERTICAL DUAL 90°...
Page 27: Zero Rise Horizontal Termination
ZERO RISE HORIZONTAL TERMINATION The FV46 Fireplace must be installed by a qualified Mendota approved serviceperson. A Maximum Horizontal Run allowed is 18 inches if a 90-degree elbow is connected directly to this fireplace’s flue starter collar. When a 90-degree elbow is connected directly to this fire- place, the horizontal centerline of the 90ºelbow will be 42-1/2”...
Page 28: Vertical Rise Horizontal Termination
This will cause high temperatures and the possibility of a fire. This FV46 Fireplace must be installed by a qualified Mendota service person 1. Position fireplace in desired location. See Exterior Vent Locations and Restrictions section for guidelines on proper vent cap placement on exterior of home.
Page 29 APPROVED 29 | P a g e...
Page 30: Vertical Through-The Roof Venting
Doing so will continue to allow the use of the 50 feet maximum vertical run. The FV46 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 31 9,10 50 FEET 1,2,3,4,5 MAX. 31 | P a g e...
Page 32: Vertical Through-The-Roof Venting Using Four 90
Mendota has spent considerable time and effort in the design of this fireplace and its venting system. Through this effort, Mendota has been able to certify the use of Four 90 elbows.
Page 33: Fv46 Door Operation
FV46 DOOR OPERATION TO REMOVE DOOR 1. Use the glass latch tool to disconnect the spring latches from the glass frame. Insert tool into hole in latch, pull towards you and Rotate 90 degrees to disengage top latches. Remove tool. There are two spring latches on top of this gas fireplace.
Page 34: 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. 1000ºF sealant must be used on the inner pipe joints of all DuraVent pipe sections.
Page 35: Fv46 Log Set Installation Instructions
FV46 LOG SET INSTALLATION INSTRUCTIONS FOLLOW EACH STEP DEPICTED IN THE DIAGRAMS, BELOW, TO INSTALL THE LOG SET. CAUTION: LOGS ARE FRAGILE, HANDLE LOG PIECES WITH CARE. Carefully unpack 14-piece log set and bags of coals & embers. NOTE: Logs are very fragile, handle with care.
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Page 48: Trouble Shooting The Fv46 Fireplace & Maintenance Information
MAINTAINING CORRECT PILOT-FLAME, PILOT OUTAGE & RELIGHTING The pilot flame must be checked during initial installation and annually by a qualified Mendota Technician. This appliance utilizes Flame Rectification Technology. If the pilot flame is turned down too low, the flame sensor may not detect the pilot flame and the pilot light may not stay lit.
Page 49: Maintenance
MAINTENANCE 1. ANNUAL MAINTENANCE OF MENDOTA UNITS IS REQUIRED. The following procedures must be performed each year by a Mendota ap- 1" MIN. proved service person. NOTE: Any adjustments to burner, pilot or burner media must be done by a qualified Mendota service person.
Page 50 3. If flames are too "orange" or are causing sooting, open Air Shutters until flames begin to turn blue. NOTE: If sooting does not stop, turn off fireplace & call a Mendota Service Person. IMPORTANT: Try each new shutter setting for approx. 1/2 hour before making additional changes.
Page 51: Natural To Lp Gas Conversion
NATURAL TO LP GAS CONVERSION Kit # HA-88-00080 for Mendota Model FV46 This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer’s instructions and all applicable codes and requirements of the authority having jurisdiction. If the information in these instructions is not followed exactly, a fire, explosion or production of carbon monoxide may result causing property damage, per- sonal injury or loss of life.
Page 52 WARNING: It is of the utmost importance that the correct burner orifices be installed for both the rear and front burners. Remove the left-side Valve Access Cover plate by removing eight (8) ¼” hex screws. 2. Turn off gas supply at the appliance service valve. 3.
Page 53 6. Locate and Identify the Rear Burner Orifice Spud and the Front Burner Orifice Spud. Both Front and Rear Orifice Spuds are removed and installed using a ½” deep well socket and ratchet. It is required that you use an additional open end wrench to hold the back-side fitting that is located outside the firebox.
Page 54 LP PRESSURE REGULATOR CONVERSION INSTRUCTIONS WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically ap- proved with this appliance may result in property damage or personal injury.” AVERTISSEMENT. Risque de dommages ou de blessures si les pièces ne sont pas installées conformément à...
Page 55: Lp Gas Pressure Requirements
LP GAS PRESSURE REQUIREMENTS Inlet and manifold gas pressure checking taps are located on gas valve. These ports are only accessible from the outer left side of the fireplace. A qualified installer shall take pressure measurements at these ports to verify and set the correct gas pressures during the LP Kit installation and before facia materials are installed over the front of this fireplace.
Page 56 CHECKING FOR NORMAL BURNER (S) IGNITION CHARACTERISTICS Once the conversion to LPG and all the above steps have been completed, install Burner Media and light the main burner. On the Remote Transmitter, push On/Off button to ON . Change Thermostat Mode to "MANUAL". The pilot system will begin to spark and then the Main burner should light and flame should not "lift"...
Page 57: Fv46 Valve Assembly Replacement Parts
FV46 VALVE ASSEMBLY REPLACEMENT PARTS ITEM PART NUMBER DESCRIPTION 05-04-00062 PILOT, PSE-NA361, 2-WAY HOOD 10-03-00105 GROUNDING WIRE EXTENSION, 19" HIGH TEMP 50-01-00156 HHSMS, #8-18 X 1/2" TYPE AB, BLACK ZINC 50-01-00174 SCREW, HEX WASHER, 8-32 X 3/8", TYPE F, BLK ZINC 50-04-00022 WASHER, STD 3/8"...
Page 58: Fv46 Gas Ignition System Wiring Diagram
FV46 GAS IGNITION SYSTEM WIRING DIAGRAM The appliance must be electrically connected and grounded in accordance with local codes or, in the absence of local codes, with the current NFPA 70-National Electric Code or CSA C22.1-Canadian Electrical Code. Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and danger- ous operation”...
Page 59: Glass Frame Assembly Repair And Replacement
DESCRIPTION TAB #2 FRAME, WELDMENT, GLASS, HA-78-00210 FV46 GASKET, TADPOLE, 65-02-00103 3/8”BULB, 3/4” TAIL 65-06-01184 GLASS, CERAMIC, FV46 GASKET USE LARGE PLIERS TO BEND DOWN (4) TABS GLASS AS SHOWN GASKET ROTATE GASKET UP SO ADHESIVE MAKES CONTACT WITH GLASS...
Page 60 LISTING LABEL INFORMATION The model information regarding your specific appliance can be found on the rating plate, which is located inside the right side controls access door. When contacting your dealer for any cleaning service or warranty service, always provide the Model Number, Serial Number and Manufactured Date.
Page 61 As a part of Mendota's on-going program of customer satisfaction, this Form verifies proper installation and operation. It is im- portant as a reference for future service. It insures long life and trouble-free operation of Mendota fireplaces & stoves and quali- fies the owner for Mendota's lifetime limited warranty.
Page 62 TAPE SHUT -------------------------------------------------------------------------------------------------------------------------------------------------------- POSTAGE NEEDED JOHNSON GAS APPLIANCE COMPANY 520 E AVENUE N.W. CEDAR RAPIDS, IA 52405 62 | P a g e...
Page 63: Mendota Extended Protection And Limited Warranty
BELOW. This new Mendota Fireplace must be installed & serviced by a competent, authorized service contractor. It must be installed and operated at all times in accordance with the installation and operating instructions furnished with the Fireplace. All adjustments to logs, coals or burner must be made by an authorized Mendota person.
Page 64 Johnson Gas Appliance Company 520 E Avenue N.W. - Cedar Rapids, IA 52405 Mendota Hearth Division WEBPAGE: www.johnsongas.com www.mendotahearth.com 64 | P a g e...

Mendota FV46 Installation Instructions Manual

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