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AVFL Vent Free Fireplace System
Installation & Operating Instructions
Models: AVFL42NTSC & AVFL42PTSC
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 gas-fired heater. It uses air
(oxygen) from the room in which it is installed.
Provisions for adequate combustion and ventil-
ation air must be provided. Refer to Page 7.
Monessen • AVFL42 Installation Instructions • 20305467 Rev. B • 02/17
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future
reference.
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Troubleshooting
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Summary of Contents for Monessen Hearth AVFL42NTSC
- Page 1 AVFL Vent Free Fireplace System Installation & Operating Instructions Models: AVFL42NTSC & AVFL42PTSC 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
AVFL Vent Free Fireplace CONTENTS 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. Important Safety Information ........ -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION AVFL Vent Free Fireplace OWNER INSTALLER Please retain these instructions for future reference. Please leave these instructions with the appliance. • 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 4: Building Code Information
IMPORTANT SAFETY INFORMATION AVFL Vent Free Fireplace harmful but may produce annoying smoke and smells This appliance may be installed in an after- as they are burned off during the initial operation of the market, permanently located, manufactured appliance; possibly causing headaches or eye or lung (mobile) home, where not prohibited by local irritation. -
Page 5: Product Features
GAS SPECIFICATIONS & ORIFICE SIZE MAX. INPUT MIN. INPUT ORIFICE MODEL FUEL (BTU/h) (BTU/h) SIZE AVFL42NTSC NAT. 37,000 24,500 2.20 mm AVFL42PTSC 36,000 28,500 NOTE: For LP models an external regulator is required to reduce supply pressure to a maximum of 13" w.c. -
Page 6: Fireplace And Framing Dimensions
FIREPLACE AND FRAMING DIMENSIONS AVFL Vent Free Fireplace 48 3/4" (1238 mm) Minimum Rough Depth " (13 mm) 13" " or 5/8 (16 mm) (330 mm) 13 1/2" (343 mm) 44" (1118 mm) Rough Opening Width Minimum Rough Height 32" 28"... -
Page 7: Pre-Installation Information
PRE-INSTALLATION INFORMATION AVFL Vent Free Fireplace GETTING STARTED PLANNING THE INSTALLATION Check your packing list to verify that all listed parts have In planning the installation for the fireplace it is necessary been received. You should have the following: to determine where the unit is to be installed and whether •... -
Page 8: Fireplace Location
PRE-INSTALLATION INFORMATION AVFL 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 gas heater requires no outside venting and and floors, between wall-ceiling joints, between wall burns cleanly and efficiency. -
Page 9: Clearances & Height Requirements
PRE-INSTALLATION INFORMATION AVFL Vent Free Fireplace CLEARANCES AND HEIGHT REQUIREMENTS The dimensions shown in Figures 4 and 5 are minimum clearances to maintain Ensure that minimum clearances shown in Figures 4 and 5 are maintained. Left and right clearances are determined when installing this heater. -
Page 10: Fireplace Installation
FIREPLACE INSTALLATION AVFL Vent Free Fireplace SECURE FIREPLACE TO FRAMING The fireplace must be secured to the framing studs as Framing shown in Figure 6. Use four (4) screws to attach fireplace Members to framing. The side nailing flanges are ⁄... -
Page 11: Connect The Gas
FIREPLACE INSTALLATION AVFL Vent Free Fireplace CONNECT THE GAS NOTICE: A qualified gas appliance installer must connect CHECK GAS TYPE: The gas supply must the heater to the gas supply. Consult all local codes. be the same as stated on the heater’s rating plate. -
Page 12: Check Gas Pressure
FIREPLACE INSTALLATION AVFL Vent Free Fireplace CHECK GAS PRESSURE Test Port 'A' Figure 8 Check the gas pressure with the appliance burning and the control set to HIGH. Open control access door at bottom front of unit to find valve and regulator referred to below. The valve regulator controls the burner pressure which should be checked at the pressure test point. -
Page 13: Electrical Installation
ELECTRICAL INSTALLATION AVFL Vent Free Fireplace WIRING JUNCTION BOX 1. Before installing, wire the receptacle into an electrical Electrical connections should only be performed circuit. This should be done before framing the fire- by a qualified licensed electrician. Main power place. -
Page 14: Signature Command Wiring Diagram
ELECTRICAL INSTALLATION AVFL Vent Free Fireplace SIGNATURE COMMAND WIRING DIAGRAM Front Row 20W x 6 Lamps Back Row 20W x 6 Lamps A/C MODULE TO JUNCTION BOX IN FIREPLACE WHITE BLACK Opt. Blower WHITE BLACK WHITE BLACK GREEN Thermocouple Thermocouple Module Pilot Top Lamp... -
Page 15: Final Installation
FINAL INSTALLATION AVFL Vent Free Fireplace BULB INSTALLATION LOWER LIGHT BAR BULB INSTALLATION 1. Remove air deflection glass from the unit and place Turn OFF the main power supply before perform- on a flat, clean surface. ing any service work on the unit, including install- 2. - Page 16 FINAL INSTALLATION AVFL Vent Free Fireplace 6. Remove five screws that secure the rear hearth in 10. Place the rear porcelain panel back in place and place and remove from unit. Figure 14 reinstall the left and right side using same screws that were removed earlier.
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Page 17: Installation Of Air Deflection Glass
FINAL INSTALLATION AVFL Vent Free Fireplace INSTALLATION OF AIR DEFLECTION 1. Spread glass evenly in one layer over the entire floor GLASS and burner. It is important to not have the glass too thick on ported area (single layer only). NOTE: The 32"... -
Page 18: Placement Of Optional Logs
FINAL INSTALLATION AVFL Vent Free Fireplace The positioning of the logs is critical to the safe and clean operation of this heater. Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance. Never add additional logs or embellishments such as pine cones, vermiculite or rock wool to the heater. -
Page 19: Operating Instructions
OPERATING INSTRUCTIONS AVFL Vent Free Fireplace 3. Place the front log (#2) by aligning the holes in the positions on the burner depending on which two pin bottom of the log with the two pins at the front of the set locations are used. -
Page 20: Turning On Unit
OPERATING INSTRUCTIONS AVFL Vent Free Fireplace TURNING ON UNIT 1. STOP! Read the safety information on Page 19. 2. This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. 3. -
Page 21: Signature Command System Operation
SIGNATURE COMMAND SYSTEM OPERATION AVFL Vent Free Fireplace FEATURES To Thermopile RF Receiver ON/OFF To Sensor Command Center To Sparker • Easy Access Function Operation and System Con- figuration NG/LP • Operation Confirmation/Fault Diagnostic Indications Conversion (LED/Buzzer) • ON/OFF/HI/Med/Low Operation To Command Center •... - Page 22 SIGNATURE COMMAND SYSTEM OPERATION AVFL Vent Free Fireplace NOTE: The Signature Command System comes standard Remote Transmitter Learn Function (Default OFF) ® in the Intermittent Pilot mode, so you must follow the in- 1. The RF receiver button located on the Control Board structions below to switch to Standing Pilot Mode if needed.
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Page 23: Functions/Operation
SIGNATURE COMMAND SYSTEM OPERATION AVFL Vent Free Fireplace FUNCTIONS/OPERATION 2. Press the OFF button to decrease flame height. The first (from the Command Center) two presses will decrease the flame height to medium and low. Turning on the fireplace 3. The third press on OFF will turn off the main burner. In 1. -
Page 24: Touch Screen Remote Control Operation
TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace Due to the sensitive temperature monitoring components in the transmitter, it is necessary to allow the transmitter to stabilize to room tem- perature before accurate room temperatures are displayed. If the transmitter is activated from a severe cold condition, allow 15 minutes for accurate temperature readings to appear on the LCD display. - Page 25 TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace Master Switch Setting Privacy Code on Transmitter: Figure 25 The remote transmitter privacy code is preset in factory. In the event of activation or interference from other nearby transmissions, change the code using the following procedures (learn function must be performed af- ter changing the code):...
- Page 26 TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace a. Push and hold the TIMER button for 3 seconds or 2. Press the OFF/down button b. Use the OFF/down buttons to decrease the Set to decrease the flame height Time to zero or and turn off the fireplace.
- Page 27 TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace NOTE: there will a 10 4. After the signal is sent, the On/up and Off/down but- second delay for the tons become flame height controller again. flame adjustment when 5. When the light button is flashing, slide up and down on the fireplace is turned the arrow buttons will turn the light brightness to HIGH Smart...
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Page 28: Safety Features
TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace n Using the Mounting Base 2. When the current setting is B), pressing TIMER button and THERMO button at the same time for 3 seconds The transmitter comes with a mounting base which allows will switch to A) Mode. -
Page 29: Troubleshooting
TOUCH SCREEN REMOTE CONTROL OPERATION AVFL Vent Free Fireplace TROUBLESHOOTING Symptom Causes Action 1. Battery icon on LCD on transmitter 1. Low Battery 1. Replace batteries. Change batteries every 6 months. 2. LCD display is blank 2. Check battery installation or replace batteries. -
Page 30: Maintenance And Cleaning
MAINTENANCE AND CLEANING AVFL 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. Air intake hole Thermocouple for Natural Gas CHECK THE PILOT FLAME... -
Page 31: Cleaning And Servicing
MAINTENANCE AND CLEANING AVFL Vent Free Fireplace CLEANING AND SERVICING Top light Annual inspection and cleaning by your dealer or quali- location Porcelain fied service technician is recommended to prevent panel screw malfunction and/or sooting. Turn off heater and allow to cool before cleaning. - Page 32 AVFL Vent Free Fireplace MAINTENANCE AND CLEANING Porcelain Retainer clip panel screw Figure 41– Porcelain Panel Retainer Clip Location Figure 40– Porcelain Panel Screw Location NOTE: The rear porcelain panel is held in place by 9. Reinstall the front hearth with nine screws removed the left and right panel and could fall forward if not earlier.
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Page 33: Operation And Optional Accessories
OPERATION AND OPTIONAL ACCESSORIES AVFL Vent Free Fireplace Rear Lower Light Bulbs Front Lower Light Bulbs Figure 43– Lower Light Bulb Location OPERATING INFORMATION Choose the stylish driftwood log set, rustic stone kit, shimmering iceberg glass or go minimalist with just a Avoid any drafts that alter burner flame patterns. -
Page 34: Troubleshooting
TROUBLESHOOTING AVFL Vent Free Fireplace NOTE: All troubleshooting items are listed in order of op- • Turn appliance OFF and allow to cool eration. before servicing. • Only a qualified service person should service and repair the heater. PROBLEM POSSIBLE CAUSE SOLUTION Appliance produces unwanted odors. -
Page 35: Signature Command System
TROUBLESHOOTING AVFL Vent Free Fireplace SIGNATURE COMMAND SYSTEM ACTION OPERATION FAULT DIAGNOSIS Using Battery polarity wrong? Re-install batteries battery? Make sure Command Install batteries and/or Battery voltage low? Change batteries Center and plug in the AC board No beep in about the control 8 seconds board are... -
Page 36: Replacement Parts
REPLACEMENT PARTS AVFL Vent Free Fireplace 1a,b FIREBOX ITEM DESCRIPTION QTY. PART NO. Bulb (20w) 20301100 Bulb – Top Light (100w) 73D0020 5467 Bulb Socket 73D4521 AVFL36 firebox parts Screen Frame Assembly 20305693K Panel, Access, Door 20305434K Porcelain Panel Rear 20305461 Porcelain Panel Left 20305462... -
Page 37: Logs
REPLACEMENT PARTS AVFL Vent Free Fireplace LOGS ITEM DESCRIPTION QTY. PART NO. Log #1 20305703K Log #2 20305704K 5467 AVFL log parts STONES DESCRIPTION QTY. PART NO. MUST ORDER ENTIRE KIT SKAVFL42 Large Sand Stone #1 1 (no longer agailable) 20303038K Large White Stone #2 1 (no longer agailable) -
Page 38: Signature Command System
REPLACEMENT PARTS AVFL Vent Free Fireplace 2a,b,c,d SIGNATURE COMMAND SYSTEM ITEM DESCRIPTION QTY. AVFL42NTSC AVFL42PTSC Burner Assembly 20305656K 20305468K Tube, Tee to Valve 20305454K 20305454K Tube, Tee to Injector 78D0090K 78D0090K Regulator Tube 20304913K — Pilot Tube 20306010K 20306011K 5467... -
Page 39: Limited Lifetime Warranty Policy
AVFL Vent Free Fireplace LIMITED LIFETIME WARRANTY POLICY LIFETIME WARRANTY The following components are warranted for life to the original owner, subject to proof of purchase: Firebox/Combustion Chamber/Heat Exchanger. FIVE YEAR WARRANTY The following components are warranted for 5 years to the original owner, subject of proof of pur- chase: Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners. - Page 40 Monessen, a brand of Hearth & Home Technologies 7571 215th Street West, Lakeville, MN 50044 www.monessenhearth.com...
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