Monessen Hearth AVFLST Series Installation & Operating Instructions Manual Download Page 20

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AVFLST Vent Free Fireplace

Monessen  •  AVFLST42 Installation Instructions  • 4118-900 Rev. B  •  05/2020

OPERATING INSTRUCTIONS
Initial Use

Initial Break-in Procedure
•  The fireplace should run three to four hours continuously 

on high.

•  Turn the fireplace off and allow it to completely cool.
This  cures  the  materials  used  to  manufacture  the  fire-

place.

•  Some people may be sensitive to smoke and odors.

•  Smoke detectors may activate.

NOTICE:  

Some functionality will be lost when using 

battery backup including remote control, lights, or any 

other auxiliary functions that require household 110-120 

VAC power.

Operation During A Power Outage 

NOTICE: 

Batteries should only be used as a power source 

in the event of an emergency power outage. Batteries 

should not be used as a primary long-term power source. 

Figure 18. 

Control Cavity Location

The IntelliFire™ Plus ODS intermittent pilot ignition system 

comes  with  a  battery  backup  system  that  enables  the 

system to operate in a power outage.  The system offers 

seamless transition from household AC power to battery 

backup. A factory-installed battery pack is located in the 

control  cavity  of  the  appliance.  See  Figure  18.  Battery 

longevity and performance will be affected by long term 

exposure to the service temperatures of this appliance.

To Operate Fireplace Using Battery Power (DC):

1.  Access the control cavity of the appliance.  See Figure 18 

for location.  Lift the barrier screen off of the appliance.

2.  Locate the battery tray and insert four AA cell batteries. 

See  Figure  18.    Battery  polarity  must  be  correct  or 

module damage will occur.  A complete wiring diagram 

is  included  in  the  electrical  section  of  the  appliance 

installation manual.

3.  Turn  the  appliance  on  according  to  the  instructions 

below for the appropriate type of control:

  Standard  Wall  Switch  or  Factory-Installed  ON/OFF 

Switch: 

•    Toggle  the  switch  as  you  would  under  normal 

circumstances.

Wireless Remote:

 

To Return to Operation Using Electrical (AC) Power
Standard  Wall  Switch  or  Factory-Installed  ON/OFF 

Switch: 

•   Toggle the switch to OFF. 
•  Remove the batteries from the battery tray.  

Wireless Remote:

•    Slide  the  ON/REMOTE/OFF  switch  to  the  REMOTE 

position.  

•  Remove the batteries from the battery tray.  

Ignition Module:

•    Slide  the  ON/REMOTE/OFF  switch  to  the  REMOTE 

position.  

•  Remove the batteries from the battery tray. 

•    Remote receiver is integrated into the ignition module
•    Use the remote to turn the appliance on.
•    To preserve battery life, do not use the HI/LO flame or 

THERMOSTAT options.  

Ignition Module:

•  Locate the ignition module in the control cavity.
•    Slide the ON/REMOTE/OFF switch to the ON position.

Heat Management
Burn Rate

The Artisan model has a variable burn rate which is con-

trolled by the remote control.  Therefore the flame height 

is adjustable.

 

The flame height may be adjusted as desired by locating 

the flame option on the remote control and adjusting up or 

down to desired flame height.

Control Module

Battery Tray

Gas Valve

Summary of Contents for AVFLST Series

Page 1: ...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 g...

Page 2: ...cation 9 Clearances and height requirements 10 FIREPLACE INSTALLATION 12 Secure fireplace to framing 12 Finishing material 12 Noncombustible facing installation 12 Connect the gas 13 Check gas pressur...

Page 3: ...pliance until the installation is complete This standard work checklist is to be used by the installer in conjunction with not instead of the instructions contained in this installation manual WARNING...

Page 4: ...sh air immediately Have the heater serviced as it may not be operating properly 10 The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI...

Page 5: ...ure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa 24 Do not use this room heater if any part has been under water Immediately call a qualified servic...

Page 6: ...RIFICE SIZE AVFLST42 CONTROLS MODEL FUEL MAX INPUT BTU h MIN INPUT BTU h ORIFICE SIZE AVFLST42NIP NAT 37 000 24 500 2 20 mm AVFLST42PIP LP 36 000 28 500 55 GAS PRESSURES NATURAL PROPANE LP Inlet Minim...

Page 7: ...305mm Interior wall installation Exterior wall installation Minimum Rough Framing Width 44 1118mm 44 1118mm Wall cover thickness Wall cover thickness Minimum rough opening depth for 5 8 wall thicknes...

Page 8: ...rd packing material has been removed from under the unit 2 Install following the instructions found in this manual 3 Field wire main power supply to junction box Refer to the Electrical Installation s...

Page 9: ...wall ceiling woodwork and window or other combustibles Refer to Clearance and Height Requirements section on Page 10 Minimum clear ances to combustibles must be maintained Location must not be affecte...

Page 10: ...ilure to follow instructions exactly can create a fire hazard Floor Clearance The fireplace may be installed directly on a combustible floor or a raised platform of an appropriate height Do not place...

Page 11: ...installa on TVs should not be used in situa ons where the actual TV temperature exceeds the manufacturers maximum allowable opera ng temperatures iden ed in the TV s technical speci ca ons Contact the...

Page 12: ...orm constructed of combustible materials which do not protrude beyond the face NONCOMBUSTIBLEFACINGINSTALLATION CAUTION The noncombustible wall board supplied with this unit can be damaged if dropped...

Page 13: ...vent the appliance from operating reliably Figure 10 IMPORTANT Loosen the pipe adapter on the flex tube before installing to the system piping Always use an external regulator for all propane LPG heat...

Page 14: ...urn captured screw counterclockwise two or three turns and then place tubing to pressure gauge over test point Use test point A closest to gas inlet If the pressure is not within the range listed for...

Page 15: ...ighten the screws 4 Make all necessary wire connections and reattach the cover plate to the outer shell WARNING Electrical connections should only be performed by a qualified licensed electrician Main...

Page 16: ...out Refer to Figure 13 and 14 IFP ODS Wiring Diagram This appliance is equipped with an Intellifire Plus control valve which operates on a 6 volt 1 5AMP system Plug the 6 volt transformer plug into t...

Page 17: ...LED STRIP LED STRIP TRANSFORMER CONTROL MODULE TOP BUTTON ON HI MED LO OFF BOTTOM BUTTON Color Selection RED BLUE YELLOW GREEN RED BLACK BLACK BLACK BLACK GREEN Use Y cord supplied in install bag to p...

Page 18: ...proper amount of air the burner needs to burn cleanly This may cause sooting 1 Spread fireglass evenly in one layer over the entire floor and burner It is important to not have the fireglass too thick...

Page 19: ...ted on the top of this label If you do not smell gas go to next step 3 To light the burner Equipped with wall switch Turn ON OFF switch to ON Equipped with remote or wall control Press ON or FLAME but...

Page 20: ...ee Figure 18 for location Lift the barrier screen off of the appliance 2 Locate the battery tray and insert four AA cell batteries See Figure 18 Battery polarity must be correct or module damage will...

Page 21: ...t in a separate room The remote control must be placed within 30 feet 9 14 m of the fireplace but should not be exposed to extreme heat The RC300 is approved for interior installation and should not b...

Page 22: ...ne remote control two 6 screws two wall anchors 3 AAA batteries and one AUX300 module If batteries are properly installed the remote will turn on 1 Remove remote control components from packaging 2 Re...

Page 23: ...nk green for 10 seconds While the LED is blinking press the POWER button on the remote control A double beep will come out of the control module to indicate that it has been programmed successfully NO...

Page 24: ...ill not be displayed when the remote status is OFF Use the SELECT button to select the current feature Use the UP and DOWN arrows to toggle through the menu functions and value selec tions in the subm...

Page 25: ...then press SELECT The AUX1 function can be adjusted to 4 different settings HI MED LOW and OFF Adjusting Thermostat Press the MENU button to activate the menu Using the UP and DOWN arrows highlight t...

Page 26: ...Use care and wear gloves when opening the front and accessing compo nents inside the fireplace Check remote screen for battery level indicator replace the batteries if low battery is indicated See Fi...

Page 27: ...as safety feature that automatically shuts down the fireplace after 9 hours of continuous operation without receiving a command from the RC300 remote 4 If you intend to use both an optional wired wall...

Page 28: ...full rate after 15 minutes the flames should appear as shown in Figure 22 FLAME APPEARANCE LED CONTROL LED CONTROL Multi colored LED lights Two buttons turn LEDs On Hi Med Lo and Off and cycles throu...

Page 29: ...w Inspect and clean burner air intake holes Remove lint or particles with vacuum brush or pipe cleaners Failure to keep air intake holes clean will result in sooting and poor combustion Inspect and cl...

Page 30: ...base 4 Remove two screws holding LED control assembly in place See Figure 26 Turn flat and pull forward 5 Remove the two black LED connectors 6 From inside unit start at one end of the strip and begin...

Page 31: ...certain oils films or bonding agents These chemicals are not harm ful but may produce annoying smoke and smells as they are burned off during the initial operation of the appliance possibly causing he...

Page 32: ...small Inlet gas pressure is too low Inlet gas pressure is too low Burner backfires during combustion Manifold gas pressure is too low Contact local gas company Burner orifice is clogged Clean burner...

Page 33: ...rify that AC power has been connected to the 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 Faul...

Page 34: ...voltage of transformer at connection to module Acceptable read ings of a good transformer are between 6 4 and 6 6 volts DC Bat tery power supply voltage must be at least 4 volts If less than 4 volts r...

Page 35: ...se Verify connection from flame sensing rod to white sensor wire Polish flame sens ing rod with fine steel wool to remove any contaminants that may have accumulated on flame sensing rod Verify continu...

Page 36: ...Bulb Socket SRV73D4521 3 Porcelain Panel Qty 2 req 20308284 4 Engine Assembly NG SRV4118 015 Propane SRV4118 016 5 Deflection Glass Qty 2 req SRV20305432 Y 6 Support Glass Painted Qty 4 req 20306020K...

Page 37: ...454K Tube Tee to Injector 78D0090K Y Pilot Tube SRV20304115 Y Pilot Regulator NG Only SRV14D0469 Y Injector Qty 2 req NG 20305649 Propane SRV62D3005 Y 4 2 Burner Assembly NG SRV4118 013 Y Propane SRV4...

Page 38: ...ibutor whichever occurs earlier However the warranty shall commence no later than 24 months following the date of product shipment from HHT regardless of the installation or occupancy date The warrant...

Page 39: ...des 3 shipping or improper handling 4 improper operation abuse misuse continued operation with damaged corroded or failed components accident or improperly incorrectly performed repairs 5 environmenta...

Page 40: ...Monessen a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 50044 www monessenhearth com...

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