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AVFLST Vent Free See Through
Fireplace System
Installation & Operating Instructions
Models:
AVFLST42NIP and AVFLST42PIP
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.
•
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.
– Leave the building immediately.
– 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 is an unvented fireplace. It uses air (oxygen)
from the room in which it is installed. Provisions
for adequate combustion and ventilation air must
be provided. Refer to Page 8.
Monessen • AVFLST42 Installation Instructions • 4118-900 Rev. B • 05/2020
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
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Related Manuals for Monessen Hearth AVFLST Series
Summary of Contents for Monessen Hearth AVFLST Series
- Page 1 AVFLST Vent Free See Through Fireplace System Installation & Operating Instructions Models: AVFLST42NIP and AVFLST42PIP 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. •...
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Page 2: Table Of Contents
CONTENTS AVFLST Vent Free Fireplace Thank you and congratulations on your purchase of a Monessen fireplace. PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE! IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty. STANDARD WORK CHECKLIST ........ -
Page 3: Standard Work Checklist
STANDARD WORK CHECKLIST AVFLST Vent Free Fireplace ATTENTION INSTALLER: Follow this Standard Work Checklist This standard work checklist is to be used by the installer in conjunction with, not instead of, the instructions contained in this installation manual. Customer: Date Installed: Lot/Address: Location of Fireplace: Installer:... -
Page 4: Important Safety Information
IMPORTANT SAFETY INFORMATION AVFLST Vent Free Fireplace INSTALLER OWNER Please retain these instructions for future reference. Please leave these instructions with the appliance. WARNING! • Any change to this heater or its controls can be dangerous. • Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning. -
Page 5: Building Code Information
IMPORTANT SAFETY INFORMATION AVFLST Vent Free Fireplace as they are burned off during the initial operation of the This appliance may be installed in an after- appliance; possibly causing headaches or eye or lung market, permanently located, manufactured irritation. This is a normal and temporary occurrence. (mobile) home, where not prohibited by local The initial break-in operation should last two to three codes. -
Page 6: Product Features
PRODUCT FEATURES AVFLST Vent Free Fireplace AVFLST42 CONTROLS GAS SPECIFICATIONS & ORIFICE SIZE MAX. INPUT MIN. INPUT ORIFICE MODEL FUEL (BTU/h) (BTU/h) SIZE AVFLST42NIP NAT. 37,000 24,500 2.20 mm AVFLST42PIP 36,000 28,500 NOTE: For LP models an external regulator is required to reduce supply pressure to a maximum of 13"... -
Page 7: Fireplace And Framing Dimensions
FIREPLACE AND FRAMING DIMENSIONS AVFLST Vent Free Fireplace 33 ½ " * [851mm] 32" 15 ⁄ " 32" 37½" [813mm] 28" [386mm] [813mm] [953mm] [711mm] 6 ⁄ " [154mm] Minimum 39¾" 13 ⁄ " Rough [1010mm] [333mm] Framing Height 43" [1092mm] *NOTE: The AVFLST42 unit must be raised at least 1.5 inches above the top surface of the finished floor when using the AVFL42WFBT-A or AVFL42WCSS-A wide contemporary face. -
Page 8: Pre-Installation Information
PRE-INSTALLATION INFORMATION AVFLST Vent Free Fireplace GETTING STARTED PLANNING THE INSTALLATION Check to verify that all listed parts have been received. In planning the installation for the fireplace it is necessary You should have the following: to determine where the unit is to be installed and whether •... -
Page 9: Fireplace Location
PRE-INSTALLATION INFORMATION AVFLST Vent Free Fireplace FIREPLACE LOCATION c. Caulking or sealants are applied to areas such as joints around window and door frames, between sole plates This unvented fireplace requires no outside venting and and floors, between wall-ceiling joints, between wall burns cleanly and efficiency. -
Page 10: Clearances And Height Requirements
PRE-INSTALLATION INFORMATION AVFLST Vent Free Fireplace CLEARANCES AND HEIGHT WARNING! REQUIREMENTS The dimensions shown in Figures 6 and 7 Ensure that minimum clearances shown in Figures 6 and are minimum clearances to maintain when 7 are maintained. Left and right clearances are determined installing this heater. - Page 11 PRE-INSTALLATION INFORMATION AVFLST Vent Free Fireplace Good Faith Guidelines for TV Installa ons above a Typical Gas Fireplace TV recessed into the wall TV on the wall Mantel and TV Clearances shown apply to both sides of the See Through Unit. TV Wall Bracket Item...
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Page 12: Fireplace Installation
FIREPLACE INSTALLATION AVFLST Vent Free Fireplace SECURE FIREPLACE TO FRAMING The fireplace must be secured to the framing studs as shown in Figure 8. Use eight (8) screws to attach fireplace Noncombustible Material to framing. The side nailing flanges are ⁄... -
Page 13: Connect The Gas
FIREPLACE INSTALLATION AVFLST Vent Free Fireplace CONNECT THE GAS NOTICE: A qualified gas appliance installer must connect ARNING! the heater to the gas supply. Consult all local codes. CHECK GAS TYPE: The gas supply must be the ► Note: Gas line may be installed on the left or right side of same as stated on the heater’s rating plate. -
Page 14: Check Gas Pressure
FIREPLACE INSTALLATION AVFLST Vent Free Fireplace CHECK GAS PRESSURE Figure 11 Check the gas pressure with the appliance burning and the control set to HIGH. The valve regulator controls the burner pressure which should be checked at the pressure test point. Open control access door at bottom front of unit to find valve and regulator. -
Page 15: Electrical Installation
ELECTRICAL INSTALLATION AVFLST Vent Free Fireplace WIRING JUNCTION BOX WARNING! 1. Before installing, wire the receptacle into an electrical circuit. This should be done before framing the fire- Electrical connections should only be performed by place. Wire with minimum 60° C wire in accordance a qualified licensed electrician. -
Page 16: Wiring Requirements
ELECTRICAL INSTALLATION AVFLST Vent Free Fireplace Wiring Requirements NOTICE: Batteries should only be used as a power source in the event of an emergency power outage. Batteries Intellifire™ Plus ODS Ignition System Wiring should not be used as a primary long-term power source. •... - Page 17 AVFLST Vent Free Fireplace 6V DC Supply (See Figure 13 on previous page) To Junction Box 120VAC Use Y cord supplied in install bag to plug in 6V DC supply for control module and LED transformer. CONTROL MODULE Figure 14. LED Wiring Diagram Monessen •...
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Page 18: Final Installation
FINAL INSTALLATION AVFLST Vent Free Fireplace INSTALLATION OF AIR DEFLECTION 1. Spread fireglass evenly in one layer over the entire floor GLASS and burner. It is important to not have the fireglass too thick on ported area (single layer only). NOTE: The 32"... -
Page 19: Operating Instructions
IPI LIGHTING INSTRUCTIONS AVFLST Vent Free Fireplace FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fi re or explosion may result causing property damage, personal injury or loss of life. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas sup- A. -
Page 20: Heat Management
OPERATING INSTRUCTIONS AVFLST Vent Free Fireplace Initial Use • Remote receiver is integrated into the ignition module Initial Break-in Procedure • Use the remote to turn the appliance on. • The fireplace should run three to four hours continuously • To preserve battery life, do not use the HI/LO flame or on high. -
Page 21: Intellifire™ Plus Ods System Operation
IntelliFire™ Plus ODS AVFLST Vent Free Fireplace FCC Requirements Hearth & Home Technologies disclaims any responsibility Warning! Risk of Fire! for, and the warranty will be voided by, the following actions: Changes or modification to this unit not expressly approved by the party responsible •... - Page 22 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Installation of Remote Control Housing Caution! Risk of Fire! DO NOT install damaged or mod- ified components. Warranty will be voided if damaged or modified components are installed. Kit components: One remote control, two #6 screws, two wall anchors, 3 AAA batteries and one AUX300 module.
- Page 23 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Programming the RC300 to the Control Module Caution! Risk of burns! DO NOT program the remote control to the control module when fireplace is hot. • Verify the ON/OFF/REMOTE switch is in the REMOTE position.
- Page 24 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Display Screen Idle When Remote is in ON Mode The remote control will go into an idle mode if no buttons THERMOSTAT DESIRED are pressed within 5 seconds. Press any button to re- FIREPLACE STATUS TEMP SETTING sume full functionality.
- Page 25 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Adjusting Thermostat About ON Mode • Press the MENU button to activate the menu. • All functions can be accessed when the remote control is in the ON mode. • Using the UP and DOWN arrows highlight the THERMO icon and press SELECT.
- Page 26 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Power Outage • If fireplace battery backup system IS installed at time of power outage, fireplace operation will not be interrupted. • If fireplace battery backup system IS NOT installed at time of power outage, fireplace will shut off. To resume fireplace operation, install battery backup.
- Page 27 IntelliFire™ Plus ODS AVFLST Vent Free Fireplace Detailed Component Operating Instruc- MODULE tions— Intellifire™ Plus ODS Control Module Operation 1. The control module has an ON/OFF/REMOTE selector switch that must be set. See Figure 19. OFF Position: Appliance will ignore all power inputs and SELECTOR will not respond to any commands from a wall switch or SWITCH...
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Page 28: Flame Appearance & Led Control
FLAME APPEARANCE & LED CONTROL AVFLST Vent Free Fireplace FLAME APPEARANCE Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. CHECK THE PILOT FLAME The pilot flame must always be present when the heater is in operation. -
Page 29: Maintenance And Cleaning
MAINTENANCE AND CLEANING AVFLST Vent Free Fireplace CLEANING AND SERVICING Top light Annual inspection and cleaning by your dealer or qual- ified service technician is recommended to prevent malfunction and/or sooting. WARNING! Turn off heater and allow to cool before cleaning. -
Page 30: Porcelain Panel Removal
MAINTENANCE AND CLEANING AVFLST Vent Free Fireplace PORCELAIN PANEL REMOVAL 4. Remove two screws holding LED control assembly in place. See Figure 26. Turn flat and pull forward. 1. Remove two (2) air deflection glass panels. 5. Remove the two black LED connectors. 2. -
Page 31: Operation And Optional Accessories
OPERATION AND OPTIONAL ACCESSORIES AVFLST Vent Free Fireplace LED strips Figure 30. LED Strip Location OPERATING INFORMATION Faces and Trim Kits Wide Contemporary Textured Black Face AVFL42WFBT-A Avoid any drafts that alter burner flame patterns. Do Wide Contemporary Stainless Steel Face AVFL42WCSS-A not allow fans to blow directly into the fireplace. -
Page 32: Troubleshooting
TROUBLESHOOTING AVFLST Vent Free Fireplace WARNING! • Turn appliance OFF and allow to cool before servicing. • Only a qualified service person should service and repair the heater. With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service technician in the diagnosis of a prob- lem and the corrective action to be taken. - Page 33 TROUBLESHOOTING AVFLST Vent Free Fireplace Problem Possible cause Solution Check that GFCI breaker is operating as intended and is not tripped. Verify that AC power has been connected to the appliance. No AC power to appliance Ensure that both the 6V IPI control module power supply as well as the LED power supply are securely plugged into the appliance junction box.
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Page 34: Intellifire™ Plus Ods System
IntelliFire™ Plus ODS TROUBLESHOOTING AVFLST Vent Free Fireplace Troubleshooting IntelliFire™ Plus ODS Ignition System Symptom Possible Cause Corrective Action 1. Pilot won’t light. A. Incorrect wiring. Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor are The ignitor/module connected to correct terminals on module and pilot assembly. - Page 35 IntelliFire™ Plus ODS TROUBLESHOOTING AVFLST Vent Free Fireplace Intellifire™ Plus Ignition System - (continued) Symptom Possible Cause Corrective Action A. A shorted or loose connection in Verify all connections to wiring diagram in manual. Verify 4. Pilot lights but contin- flame sensing rod.
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Page 36: Service Parts
SERVICE PARTS AVFLST Vent Free Fireplace AVFLST42NIP, AVFLST42PIP Service Parts ► Beginning Manufacturing Date: Jun 2020 Ending Manufacturing Date: Active 42” Artisan Vent Free Linear See-Through Fireplace IMPORTANT: THIS IS DATED INFORMATION. Parts must be ordered from a dealer or distributor. Hearth and Stocked Home Technologies does not sell directly to consumers. - Page 37 SERVICE PARTS AVFLST Vent Free Fireplace AVFLST42NIP, AVFLST42PIP Service Parts Beginning Manufacturing Date: Jun 2020 Ending Manufacturing Date: Active #4 Engine Assembly 4.10 4.12 4.11 IMPORTANT: THIS IS DATED INFORMATION. Parts must be ordered from a dealer or distributor. Hearth and Stocked Home Technologies does not sell directly to consumers.
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Page 38: Limited Lifetime Warranty
AVFLST Vent Free Fireplace Hearth & Home Technologies LIMITED LIFETIME WARRANTY Hearth & Home Technologies, on behalf of its hearth brands (“HHT”), extends the following warranty for HHT gas, wood, pellet and electric hearth appliances that are purchased from an HHT authorized dealer. WARRANTY COVERAGE: HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance will be free from... - Page 39 WARRANTY (CONTINUED) AVFLST Vent Free Fireplace WARRANTY CONDITIONS: • This warranty only covers HHT appliances that are purchased through an HHT authorized dealer or distributor. A list of HHT authorized dealers is available on the HHT branded websites. • This warranty is only valid while the HHT appliance remains at the site of original installation. •...
- Page 40 Monessen, a brand of Hearth & Home Technologies 7571 215th Street West, Lakeville, MN 50044 www.monessenhearth.com...
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