Mendota FV41-PF2 Installation Instructions Manual

Fullview rectangle direct vent gas fireplace heater

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Owner's manual (27 pages)

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Questions and answers

Kathleen Kidwell

February 17, 2025

The backup battery pack did not allow us to ignite the flame using our handheld device. We replaced the batteries and still no response. What else can we do to troubleshoot?

1 comments:

Mr. Anderson

May 14, 2025

If the Mendota FV41-PF2 backup battery pack is not allowing ignition with a handheld device, the following troubleshooting steps can be taken:

1. Check that 4 AA batteries are properly installed in the battery pack, matching the correct polarity as indicated on the battery compartment cover.
2. Verify that batteries are inserted in the remote transmitter with the correct polarity.
3. Ensure that the manual gas supply shut-off valves upstream of the fireplace are open.
4. Make sure the Master On/Off switch on the fireplace is toggled to the ON position.
5. Confirm that 110VAC power is connected to the Electrical Junction Box and that electrical power is ON if available.
6. If the pilot light goes out, wait at least five minutes before attempting to relight it.

If ignition still fails, contact a qualified Mendota-approved service technician.

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Summary of Contents for Mendota FV41-PF2

Page 1 FULLVIEW RECTANGLE DIRECT VENT GAS FIREPLACE HEATER Model FV41-PF2 INSTALLATION INSTRUCTIONS MANUAL DOCUMENT NO. FV41-PF2-IM-0113 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 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 Clothing or flammable material SHOULD NOT BE PLACED on or near the appliance. On ne devrait pas placer de vêtements ni d’autres matières inflammables sur l’appareil ni à proximité. Children and adults should be ALERTED to the hazards of high surface temperature and should STAY AWAY to avoid burns or clothing ignition.
Page 4: Safety And Warning Information
SAFETY AND WARNING INFORMATION READ and UNDERSTAND all instructions carefully before starting the appliance. FAILURE TO FOLLOW these instruc- tions may result in a possible fire hazard and will void the warranty. Any safety screen or guard removed for servicing must be replaced before operating this appliance. DO NOT USE this appliance if any part has been under water.
Page 5: Table Of Contents
TABLE OF CONTENTS SAFETY AND WARNING INFORMATION TABLE OF CONTENTS SPECIFIC REQUIREMENTS FOR THE COMMON WEALTH OF MASSACHUSETTS FV-41 FULL VIEW GAS FIREPLACE DIMENSIONS TECHNICAL SPECIFICATIONS FOR FV-41 MINIMUM CLEARANCES TO COMBUSTIBLE CONSTRUCTION MINIMUM COMBUSTIBLE ROUGH FRAMING DIMENSIONS CONGRATULATIONS BUILDING PERMIT AND INSTALLATION INSPECTION APPROVAL REQUIREMENTS GENERAL APPLIANCE SPECIFICATIONS MANTEL CLEARANCES CLEARANCES TO COMBUSTIBLES FROM APPLIANCE SURFACES...
Page 6 ATTACHING LPG CONVERSION LABELS AND HIGH ALTITUDE DERATION LABEL FV-41 VALVE ASSEMBLY REPLACEMENT PARTS FV-41 GAS IGNITION SYSTEM WIRING DIAGRAM GLASS FRAME ASSEMBLY REPAIR AND REPLACEMENT LISTING LABEL INFORMATION MENDOTA WARRANTY QUALIFICATION & SERVICE REFERENCE FORM MENDOTA EXTENDED PROTECTION AND LIMITED WARRANTY 85-03-00889 P a g e...
Page 7: Specific Requirements For The Common Wealth Of Massachusetts
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 8: Fv-41 Full View Gas Fireplace Dimensions
FV-41 FULL VIEW GAS FIREPLACE DIMENSIONS OVERALL APPLIANCE DIMENSIONS AND FEATURES 20 9/16 in 19 5/8 in 19 5/8 in 9 1/16 in 10 1/8 in 19 3/16 in 40 3/8 in 19 3/16 in 39 1/4 in 34 3 8 OUTER GUIDES 32 1/2 in INNER GUIDES 4 7/8 in 1 9 16...
Page 9: Technical Specifications For
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. 85-03-00889 P a g e...
Page 10: 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 11: General Appliance Specifications
FV41 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. 42 1 2 " MIN. 35-1/2"...
Page 12: 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 13: Clearances To Combustibles From Appliance Surfaces
CLEARANCES TO COMBUSTIBLES FROM APPLIANCE SURFACES Figure 2: Clearances to Combustibles 0" CLEARANCE FROM TOP STANDOFFS 1/2" CLEARANCE FROM BACK 1/2" CLEARANCE FROM SIDES 85-03-00889 13 | P a g e...
Page 14: 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 15: Rough Framing Dimensions
ROUGH FRAMING DIMENSIONS Rough Framing Dimensions Minimum Rough Framing Dimensions The Rough Framing Dimensions must be main- DESCRIPTION DIMENSION (INCHES) tained to allow this fireplace to slide into the fram- Width 42-1/2” ing cavity with a 90 elbow installed on the top starter collar.
Page 16: Backup Dc Power Inlet Port Installation
BACKUP DC POWER INLET PORT INSTALLATION Under normal conditions when AC power is available, this appliance is designed to oper- ate on 110 VAC power. During power outag- es, it is designed to operate using 6 V DC backup power. This appliance is supplied with a DC power inlet harness, a single gang outlet box and two single cover plates.
Page 17: Framing Depth And Finishing Guides
FRAMING DEPTH and FINISHING GUIDES The framing depth for this fireplace is 19- OUTER FINISHING 1/2 inches. This is a fixed depth required GUIDES (TOP, L & R) for all installations, except a corner installa- tion and for installations that use solid Granite or Marble slabs as fascia materials.
Page 18: Finishing Materials Installation
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 19: Hearth Protection Pad Requirements
HEARTH PROTECTION PAD REQUIREMENTS Hearth Protection R Rating: MINIMUM R-1 IS REQUIRED. USE OF A ½” THICK (MINIMUM) CEMENT BOARD (Hardibacker, Wonderboard or other brand) plus ¼” thick mortar (ThinSet type) plus ¼” thick ceramic tile exceed the R-1 requirement. Use this as a reference, if in doubt. Natural Stones of 1” or greater thickness also exceed R-1 rating. All hearth pads must be non-combustible (metal, brick, stone, or Example: mineral fiberboard).
Page 20: 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 21: Gas Supply Requirements
GAS SUPPLY REQUIREMENTS Correct gas pressure and proper gas supply line sizing is imperative to the successful performance of your Mendota gas fireplace. Be sure the gas supplier or plumber carefully checks for correct gas pressure and gas line sizing when in- stalling the fireplace.
Page 22: 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 23: 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 FV-41 Fireplace is approved for mobile home and bedroom installations.
Page 24: 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 25: Exterior Vent Locations And Restrictions
EXTERIOR VENT LOCATIONS AND RESTRICTIONS Figure 12: Exterior Vent ALL MEASUREMENTS FROM CENTER-LINE OF VENT CAP Ú - Ù - º - 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).
Page 26: 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 requirements and venting restrictions. ITEM DESCRIPTION 6" or 7” PIPE (DuraVent 6”/Amerivent 7”) 12"...
Page 27: Fv-41 Master Flue Venting Requirements Chart
No reduction in horizontal is re- quired for the 90 elbows used. 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. ZONE "B" V min H max 0 in.
Page 28: Important Venting Configuration Notes
USING 90 ELBOWS IN ZONE “B” The FV-41 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 29: Approved Vent Systems
APPROVED VENT SYSTEMS QUICK REFERENCE CHART Figure 15: 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 30: Zero Rise Horizontal Termination
ZERO RISE HORIZONTAL TERMINATION The FV-41 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 fireplace, the horizontal Figure 16 centerline of the 90ºelbow will be 42-1/2”...
Page 31: Vertical Rise Horizontal Termination
This will cause high temperatures and the possibility of a fire. This FV-41 Fireplace must be installed by a qualified Mendota service person 1. Position fireplace in desired location. See Figure 13 for guidelines on proper vent cap placement on exterior of home.
Page 32 Figure 19 APPROVED Figure 20 85-03-00889 32 | P a g e...
Page 33 Doing so will continue to allow the use of the 51 feet maximum vertical run. The FV-41 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 34 Figure 21 9,10 61 FEET 1,2,3,4,5 MAX. 85-03-00889 34 | P a g e...
Page 35 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 36: To Remove Door
FV-41 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 37: 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 38: Blower System Information
BLOWER SYSTEM INFORMATION WARNING: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. This appliance is equipped with an internal three-prong (grounding) plug for protection against shock hazard and should be plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the grounding prong from the plug.
Page 39: Flame Appearance Adjustment
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 40: Trouble Shooting The Fv-41 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 41: 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 42: Natural To Lp Gas Conversion
NATURAL TO LP GAS CONVERSION Kit # HA-78-00179 for Mendota Model FV-41 This conversion kit shall be installed by a qualified service agency in accord- ance with the manufacturer’s instructions and all applicable codes and re- quirements of the authority having jurisdiction. If the information in these in- structions is not followed exactly, a fire, explosion or production of carbon monoxide may result causing property damage, personal injury or loss of life.
Page 43 WARNING: It is of the utmost importance that the correct burner orifices be installed for both the rear and front burners. It is highly recommended that you remove the left side blower assembly and the left side exterior controls box before attempting to replace the pressure regulator.
Page 44: Lp Pressure Regulator Conversion Instructions
LP PRESSURE REGULATOR CONVERSION INSTRUCTIONS WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifical- ly approved with this appliance may result in property damage or personal injury. 85-03-00889 44 | P a g e...
Page 45: 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 46: Checking For Normal Burner (S) Ignition Characteristics
CHECKING FOR NORMAL BURNER (S) IGNITION CHARACTERISTICS Once the conversion to LPG and all the above steps have been completed, light the main burners. Turn Gas Dial counterclockwise to "ON" then set Thermostat or push Main Burner ON/OFF switch to turn on burners. Main burner should now light IMMEDIATELY and flame should not "lift"...
Page 47: Fv-41 Valve Assembly Replacement Parts
FV-41 VALVE ASSEMBLY REPLACEMENT PARTS FV-41 VALVE ASSEMBLY REPLACEMENT PARTS LIST ITEM PART NUMBER DESCRIPTION HA-77-00159 VALVE HEAT SHIELD 65-07-00024 1/8 NPT to Flex CF Coupler 05-04-00050 SIT Pilot Assembly 65-14-00042 ORIFICE, #42 22,197 BTU NAT 05-02-00344 885 PROFLAME SIT VALVE 05-02-00351 Solenoid, 885 PROFLAME SPLIT FLOW VALVE 60-01-00018...
Page 48: Fv-41 Gas Ignition System Wiring Diagram
FV-41 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 49: Glass Frame Assembly Repair And Replacement
GLASS FRAME ASSEMBLY REPAIR AND REPLACEMENT DO NOT substitute other manufac- turer's materials or components. WARNING WARNING DO NOT operate unit with cracked, Use only authorized parts and Do not operate this appliance broken or missing glass. materials obtained from Johnson with the glass removed, cracked Gas Appliance Company when or broken.
Page 50: Listing Label Information
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 51: Mendota Warranty Qualification & Service Reference Form
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 52 TAPE SHUT ------------------------------------------------------------------------------------------------------------------------------------------------------------- POSTAGE NEEDED JOHNSON GAS APPLIANCE COMPANY 520 E AVENUE N.W. CEDAR RAPIDS, IA 52405 85-03-00889 52 | P a g e...
Page 53: 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 54 Johnson Gas Appliance Company 520 E Avenue N.W. - Cedar Rapids, IA 52405 Mendota Hearth Division WEBPAGE: www.johnsongas.com www.mendotahearth.com 85-03-00889 54 | P a g e...