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Installation & Operation Manual
Nat. Gas
Model #
VFLDB24L-EN
VFLDB36L-EN
VFLDB48L-EN
VFLDB60L-EN
VFLDB24B-EN
VFLDB36B-EN
VFLDB48B-EN
VFLDB60B-EN
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 oth-
er 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.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas suppli-
er, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Find a Dealer: (800) 345-7078 | Mason-Lite.com
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct instal-
lation and operational procedures. For
assistance or additional information con-
sult a qualified installer, service agency,
or the gas supplier.
WARNING: This appliance has been spe-
cifically tested and design certified for
installation only in a solid-fuel burning
fireplace, including factory-built UL127
fireplaces and masonry fireplaces, or in
a listed ventless firebox.
WARNING: 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 Air for
Combustion and Ventilation section on
pages 6 through 8 of this manual.
Propane
Model #
VFLDB24L-EP
VFLDB36L-EP
VFLDB48L-EP
VFLDB60L-EP
VFLDB24B-EP
VFLDB36B-EP
VFLDB48B-EP
VFLDB60B-EP

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Summary of Contents for mFi Mason-Lite VFLDB24L-EN

  • Page 1 Installation & Operation Manual Propane Nat. Gas Model # Model # VFLDB24L-EP VFLDB24L-EN VFLDB36L-EP VFLDB36L-EN VFLDB48L-EN VFLDB48L-EP VFLDB60L-EN VFLDB60L-EP VFLDB24B-EP VFLDB24B-EN VFLDB36B-EP VFLDB36B-EN VFLDB48B-EP VFLDB48B-EN VFLDB60B-EP VFLDB60B-EN WARNING: Improper installation, adjust- WARNING: If the information in this ment, alteration, service, or maintenance manual is not followed exactly, a fire or can cause injury or property damage.
  • Page 3: Table Of Contents

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | table of contents Safety Information Product Identification Specifications Air for Combustion and Ventilation Installation Installation and Clearances Minimum Noncombustible Material Clearances Vented Installation Installing Gas Supply Installing Opalescence Burner Checking Gas Connections Operation Multifunction Burner Remote Operation LED Lighting Operation Instructions Operating Instructions Label Rating Plate Example...
  • Page 4 welcome Thank you for purchasing this Mason-Lite Opalescence Vent-Free Burner. We are proud to offer this quality product to add beauty and heating efficiency into your home. The Opalescence should be installed and used as an unvented supplemental heating appliance. This owner’s manual provides complete instructions for safely installing, operating, and maintaining your Opalescence.
  • Page 5: Safety Information

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | safety information 1. If you smell gas WARNINGS WARNING: This appliance is • Shut off gas supply equipped for either Natural Gas • Do not try to light any appli- or Liquid Propane (LP) gas. Only WARNING: Read this own- ance use the type of gas indicated on...
  • Page 6 Chapter 1: Safety Information More frequent cleaning may combustible material between 18. Keep the area around your gas be required due to excessive the base of the fireplace and appliance clear of combusti- lint from carpeting, bedding any surface of the combusti- ble materials, gasoline, and material etc.
  • Page 7 MASON-LITE • OPALESCENCE VENT-FREE BURNER | 24. WARNING: Do not use a 29. Glass doors must be fully 33. This appliance may be in- blower insert, heat exchanger open when this vent-free gas stalled in an aftermarket, insert or other accessory not appliance is operating.
  • Page 8: Product Identification

    Chapter 2: Product Identification product identification A. Handles B. Case C. Burner D. Gas Valve E. Gas Valve Cover Base G. IFC Board H. ProFlame Receiver Pilot Power Cord K. LED Lights L. Multifunction Burner Remote M. LED Remote Product Features Operation This heater is clean burning.
  • Page 9: Specifications

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | specifications Inlet Inlet Manifold Pressure Pressure NG Models High Pressure Minimum Maximum VFLDB24L-EN 16,000 10,000 3.5” W.C. 5” 10.5” VFLDB36L-EN 32,000 20,000 3.5” W.C. 5” 10.5” VFLDB48L-EN 39,500 27,000 3.5” W.C. 7” 10.5” VFLDB60L-EN 39,500 27,000 3.5”...
  • Page 10: Air For Combustion And Ventilation

    Chapter 4: Air for Combustion and Ventilation air for combustion and ventilation Unusually Tight Construction Confined and Unconfined WARNING: This heater shall Space The air that leaks around doors and win- not be installed in a confined dows may provide enough fresh air for The National Fuel Gas Code (AN- space unless you provide ad- combustion and ventilation.
  • Page 11 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Determining Air Flow For 3. Add the Btu/Hr of all fuel burning B. Vent room directly to the outdoors. appliances in the space. See Ventilation Air From Outdoors, Heater Location page 8. Vent-free heater ______ Btu/Hr Determining if You Have a Confined C.
  • Page 12 | Chapter 4: Air for Combustion and Ventilation Ventilation Air Ventilation Air From Inside 12" Building This fresh air would come from an adjoining unconfined space. When ventilating to an Ventilation Ventilation Grills adjoining unconfined space, you must pro- Grills Into Adjoining Room, vide two permanent openings: one within Into Adjoining...
  • Page 13: Installation

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | installation Check Gas Type NOTICE: A qualified service per- CAUTION: This heater cre- son must install heater. Follow ates warm air currents. These all local codes. WARNING: This appliance is currents move heat to wall sur- equipped for either Natural Gas faces next to heater.
  • Page 14: Installation And Clearances

    Chapter 5: Installation Minimum Installation and Clearances Noncombustible Ceiling: 36" Material Clearances (Vent-Free Operation Only) If Not Using Mantel WARNING: Maintain the You must have noncombustible material(s) minimum clearances. If you can, above the fireplace opening. Noncombus- provide greater clearances from Left &...
  • Page 15 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Mantel Shelf 12” Heat Resistant 10” Material 8” 6” 4” 2” Heat Resistant Material Figure 5.2 - Heat Resistant Material (Slate, Top of Marble, Tile, etc.) Above Fireplace Fireplace Opening Distances to Mantel Clearances Underside of Mantel In addition to meeting non-combustible...
  • Page 16: Vented Installation

    Chapter 5: Installation Vented Installation Chimney Damper Openings for Vented Operation Free Opening Area of Chimney Damper State and local codes may only for Factory-Built Fireplaces allow operation of this appliance Chimney Appliance Input Rating (kBTU/hr) in a vented configuration. Check Height (ft)* your state or local codes.
  • Page 17: Installing Gas Supply

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | Installing Gas Supply Apply pipe joint sealant lightly to male 3” Adjustable Bolt threads. This will prevent excess sealant from going into pipe. Excess sealant in NOTICE: A qualified service per- pipe could result in clogged heater valves. son must connect heater to gas supply.
  • Page 18: Installing Opalescence Burner

    Chapter 5: Installation Installing Opalescence Step 1 Step 4 Burner Clean the fireplace/firebox of any dirt and Unclip and remove the LED light track debris. Provide openings in the fireplace/ that runs above the burner’s gas valve. This firebox for the electrical cord and the inlet will allow you best access for connecting gas line.
  • Page 19 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Step 6 Step 7 Using Six-Foot Power Cord: Feed the Syncing and Initializing the power cord through the opening provided Remote System in the fireplace/firebox. Plug the cord into The remote and receiver are synced at the a 110v receptacle.
  • Page 20 Chapter 5: Installation Step 8 Step 10 Step 11 Grasp the handles on each end of the Wearing protective gloves, pour the 1/2” Test the LED lights. Make sure the reflective glass media over the top of the case. Lift the case and carefully place the power cord is plugged in or a hard- case over the burner assembly.
  • Page 21: Checking Gas Connections

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | Checking Gas Test Pressures Equal To or Less Than Manual 1/2 PSIG Shutoff Connections Open Valve 1. Close manual shutoff valve (see Fig- ure 5.9). WARNING: Test all gas pip- 2. Pressurize supply piping system by ing and connections for leaks either using compressed air or open- after installing or servicing.
  • Page 22: Operation

    Chapter 6: Operation operation Multifunction Burner Notes for Remote Operating WARNING: FIRE OR EX- System Remote Operating In- PLOSION HAZARD. Can cause Not all features called out in Figure 6.1 structions property damage, sever injury, are available on this fireplace. or death.
  • Page 23 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Temperature Indication Turning ON the Burner Remote Flame Control Display, °C or °F With the burner system OFF, press the The ProFlame control has six flame lev- ON/OFF Button on the Remote. A single els.
  • Page 24 Chapter 6: Operation Continuous Pilot/Intermittent Button Lock Pilot (CPI/IPI) Selection This function will lock the buttons to prevent unintentional or unsupervised During regular operation, the burner sys- operation. tem operates in Intermittent Pilot Mode (IPI). During a prolonged power outage, To turn this function on, press the MODE you can switch the fireplace to operate Button and UP Button at the same time.
  • Page 25 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Low Battery Power Detection - Battery Backup Operation Multifunction Burner Remote In case of power loss, the burner will au- tomatically switch to battery mode. The The life span of the remote batteries de- burner will operate normally without the pends on various factors: light control when in battery mode.
  • Page 26: Led Lighting Operation Instructions

    Chapter 6: Operation LED Lighting Operating Instructions Operating LED Lights with Handheld Remote The LED lighting control allows you to have 9 various lighting scenes to switch between as well as an Auto Scene mode that automatically rotates through the 9 different scenes.
  • Page 27 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Operating LED Lights with Mobile App You can control the LED lighting with the full-function mobile app. Scan the QR code on Figure 6.16 to take you to either Google Play or the App Store to download the app.
  • Page 28: Operating Instructions Label

    Chapter 6: Operation INTERMITTENT PILOT INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING p WARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. B. Use only your hand to push in or turn the gas A.
  • Page 29: Rating Plate Example

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | DO NOT REMOVE THIS LABEL LINE VOLTAGE TESTED & REPORT NO. See installation & operating instructions for this model. LISTED BY: ANSI-Z21.11.2.2016 Contact local building officials about restrictions and Uncented Room Heater installation specifications in your area. ANSI-Z21 60-2017 CSA 2.26-2 DATE...
  • Page 30: Replacement Parts

    Chapter 7: Replacement Parts replacement parts Exploded View 9/10 40/41/42 25/26 24/27 22/23 36/37...
  • Page 31 MASON-LITE • OPALESCENCE VENT-FREE BURNER | Parts List Part Part Item Description Number Item Description Number 24” Case for Drop-In Burner 02-00119-01 12” Perf Burner Trough (24” Model) 02-00147-01 36” Case for Drop-In Burner 02-00119-02 24” Perf Burner Trough (24” Model) 02-00147-02 48”...
  • Page 32: Wiring Diagram

    Chapter 8: Wiring Diagram wiring diagram...
  • Page 33: Maintenance

    MASON-LITE • OPALESCENCE VENT-FREE BURNER | maintenance Cleaning and This appliance and its venting system 5. If your appliance is equipped should be inspected before use and at with a safety barrier, cleaning Maintenance least annually by a qualified service person. may be necessary due to exces- The following suggested checks should be sive lint / dust from carpeting,...
  • Page 34: Troubleshooting

    Chapter 10: Troubleshooting troubleshooting WARNING: Turn off the gas WARNING: When servicing WARNING: Do not paint the and electrical power before the control, label all wires prior pilot assembly. servicing the appliance. to disconnection. Wiring errors can cause improper and dan- gerous operation.
  • Page 35 MASON-LITE • OPALESCENCE VENT-FREE BURNER | OBSERVED FAULT POSSIBLE CAUSE REMEDY Carbon is being deposited on glass media 1. Air shutter is blocked 1. Ensure air shutter opening is free of lint or combustion chamber surfaces. or other obstructions. 2. Flame is impinging on the glass media or 2.
  • Page 36: Warranty Information

    Chapter 11: Warranty Information warranty information Refractory Logs: Burner: Electrical and Valves: Mason-Lite, logs carry a lifetime warranty Mason-Lite burners carry a life time Mason-Lite valves, remotes & receivers carry against any manufacture defects or break- warranty against manufacture defects or a (2) year warranty against breakage or defects age as long as the products are installed breakage as long as the appliance is installed...
  • Page 37 MASON-LITE • OPALESCENCE VENT-FREE BURNER | DO NOT RETURN TO STORE! STOP, CALL US FIRST For immediate help with installation, product information or if your product arrives damaged, please call our toll free number at: 1-800-345-7078 (Monday - Friday, 8:00AM - 5:00PM, CA Pacific Daylight Time) or email us at: info@mason-lite.com OUR STAFF IS READY TO PROVIDE ASSISTANCE...
  • Page 40 Mason-Lite 6391 Jurupa Avenue Riverside, CA 92504 800-345-7078 mason-lite.com REV. 1, 1/2023 ©2023, Mason-Lite All rights reserved U.S.A, and Foreign Patents Pending...

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