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AVFLST Vent Free See Through
Fireplace System
Installation & Operating Instructions
Models:
AVFLST42NTSC and AVFLST42PTSC
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
ventilation air must be provided. Refer to Page 7.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
20308636 0516 Rev. 1
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Table of Contents
Related Manuals for Monessen Hearth AVFLST42NTSC
Summary of Contents for Monessen Hearth AVFLST42NTSC
- Page 1 AVFLST Vent Free See Through Fireplace System Installation & Operating Instructions Models: AVFLST42NTSC and AVFLST42PTSC 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. IMPORTANT SAFETY INFORMATION ...... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION AVFLST Vent Free Fireplace OWNER INSTALLER 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 4: 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 5: Product Features
GAS SPECIFICATIONS & ORIFICE SIZE MAX. INPUT MIN. INPUT ORIFICE MODEL FUEL (BTU/h) (BTU/h) SIZE AVFLST42NTSC NAT. 37,000 24,500 2.20 mm AVFLST42PTSC 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 AVFLST Vent Free Fireplace Minimum Rough 32" Framing Height 15 ⁄ " 37½" 28" [813mm] 32" [386mm] [953mm] [813mm] [711mm] 6 ⁄ " [154mm] 39¾" 13 ⁄ " [1010mm] [154mm] 43" [1092mm] Figure 2. Fireplace dimensions Interior wall installation Minimum rough... -
Page 7: 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 8: 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 gas heater requires no outside venting and and floors, between wall-ceiling joints, between wall burns cleanly and efficiency. -
Page 9: Clearances And Height Requirements
PRE-INSTALLATION INFORMATION AVFLST Vent Free Fireplace CLEARANCES AND HEIGHT WARNING! REQUIREMENTS The dimensions shown in Figures 5 and 6 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 10: 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 four (4) screws to attach fireplace Noncombustible Material to framing. The side nailing flanges are ⁄... -
Page 11: 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 same as stated on the heater’s rating plate. If the WARNING! gas supply is different, DO NOT INSTALL THE This appliance is equipped for either natural or propane... -
Page 12: Check Gas Pressure
FIREPLACE INSTALLATION AVFLST Vent Free Fireplace CHECK GAS PRESSURE Test Port 'A' 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 13: Electrical Installation
ELECTRICAL INSTALLATION AVFLST Vent Free Fireplace WIRING JUNCTION BOX 1. Before installing, wire the receptacle into an electrical WARNING! 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 14: Wiring Diagram
ELECTRICAL INSTALLATION AVFLST Vent Free Fireplace SIGNATURE COMMAND WIRING DIAGRAM ® Thermocouple Thermocouple Module A/C MODULE Top Lamp Pilot TO JUNCTION BOX 100w IN FIREPLACE Hearth Light WHITE BLACK Opt. Blower WHITE WHITE BLACK BLACK GREEN Orange CONTROL MODULE RF Receiver ON/OFF Button Control Board Black / Thermopile... -
Page 15: 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 16: Operating Instructions
OPERATING INSTRUCTIONS AVFLST Vent Free Fireplace FOR YOUR SAFETY READ BEFORE LIGHTING WARNING! If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition device which automatically lights the pilot. B. -
Page 17: Turning On Unit
OPERATING INSTRUCTIONS AVFLST Vent Free Fireplace TURNING ON UNIT 1. STOP! Read the safety information on page 16. 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 18: Signature Command ® System Operation
SIGNATURE COMMAND SYSTEM OPERATION ® AVFLST 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 19: Signature Command ® System Function Settings
SIGNATURE COMMAND SYSTEM OPERATION AVFLST Vent Free Fireplace ® Intermittent/Standing Pilot Setup (Default intermit- 2. After the RF receiver is on, holding the OFF button on tent) the Command Center while turning on the master switch will activate the learn function for the transmitter. 1. -
Page 20: Functions/Operation
SIGNATURE COMMAND SYSTEM OPERATION ® AVFLST Vent Free Fireplace FUNCTIONS/OPERATION 2. Press the OFF button to decrease flame height. The first two presses will decrease the flame height to medium (from the Command Center) and low. Turning on the fireplace 3. -
Page 21: Touch Screen Remote Control Operation
TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST Vent Free Fireplace NOTE: Due to the sensitive temperature monitoring components in the transmitter, it is necessary to allow the transmitter to stabilize to room temperature 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 22 TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST Vent Free Fireplace Master Switch Setting Privacy Code on Transmitter: Figure 20 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 23 TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST Vent Free Fireplace 6. To exit Timer Mode: 2. Press the OFF/down button to decrease the flame height a. Push and hold the TIMER button for 3 seconds or and turn off the fireplace. b.
- Page 24 TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST Vent Free Fireplace NOTE: There will be a 3. Press the light button again to confirm the setting. The ten (10) second delay new setting will be transmitted to the receiver. for the flame adjustment 4.
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Page 25: Safety Features
TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST 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 26 TOUCH SCREEN REMOTE CONTROL OPERATION AVFLST Vent Free Fireplace TROUBLESHOOTING Symptom Causes Action Reset the transmitter (see "Resetting Battery icon on LCD or transmitter. the transmitter" on page 22. LCD display is blank. Low battery Check battery installation. Replace batteries. Batteries should LCD display shows "funny"...
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Page 27: 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 28: 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 29 AVFLST Vent Free Fireplace MAINTENANCE AND CLEANING PORCELAIN PANEL REMOVAL 4. Remove two screws holding LED control assembly in place. See Figure 36. Turn flat and pull forward. 1. Remove two (2) air deflection glass panels. 5. Remove the two black LED connectors. 2.
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Page 30: Operating Information
OPERATION AND OPTIONAL ACCESSORIES AVFLST Vent Free Fireplace LED strips Figure 40. LED strip location OPERATING INFORMATION Choose the stylish rustic stone kit or go minimalist with just a coating of crushed glass and transform the fireplace to Avoid any drafts that alter burner flame patterns. Do suit your space. -
Page 31: Troubleshooting
TROUBLESHOOTING AVFLST Vent Free Fireplace NOTE: All troubleshooting items are listed in order of op- WARNING! eration. • Turn appliance OFF and allow to cool before servicing. • Only a qualified service person should service and repair the heater. PROBLEM POSSIBLE CAUSE SOLUTION Appliance produces unwanted odors. - Page 32 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 3V IPI control module power supply as well as the LED power supply are securely plugged into the appliance junction box.
- Page 33 TROUBLESHOOTING AVFLST 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...
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Page 34: Replacement Parts
REPLACEMENT PARTS AVFLST Vent Free Fireplace FIREBOX ITEM DESCRIPTION QTY. PART NO. Bulb – Top Light (100w) 73D0020 Bulb Socket 73D4521 Screen Frame Assembly 20305693K Panel, Access, Door 20305434K Porcelain Panel 20308284 Deflection Glass 20305432 5467 Wire Harness 78D1077 AVFL36 firebox parts Junction Box Assembly (not shown) 26D2128K STONES (not shown) - Page 35 REPLACEMENT PARTS AVFLST Vent Free Fireplace 2a,b,c,d SIGNATURE COMMAND SYSTEM ® ITEM DESCRIPTION QTY. AVFLST42NTSC AVFLST42PTSC Burner Assembly 20308286 20308287 Tube, Tee to Valve 20305454K 20305454K Tube, Tee to Injector 78D0090K 78D0090K Regulator Tube 20304913K — 5467 Pilot Tube 20306010K...
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Page 36: Limited Lifetime Warranty
AVFLST Vent Free Fireplace LIMITED LIFETIME WARRANTY 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: Catalytic Filter and Aluminized Burners. - Page 40 149 Cleveland Drive • Paris, Kentucky 40361 www.monessenhearth.com...
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