Medallion MBN10TLA Owner's Operation And Installation Manual

Vent-free natural gas heater

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VENT-FREE NATURAL GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
MBN10TLA
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing 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.
• 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 appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This
appliance is not convertible for use with other gases.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
WARNING: Improper installa-
tion, adjustment, alteration, ser-
vice, or maintenance can cause
injury or property damage. Re-
fer to this manual for correct
installation and operational pro-
cedures. For assistance or ad-
ditional information consult a
qualified installer, service
agency, or the gas supplier.
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 pro-
vided. Refer to Air for Com-
bustion and Ventilation on
page 4 in this manual.

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  • Page 1 ™ VENT-FREE NATURAL GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL MBN10TLA WARNING: Improper installa- WARNING: If the information in this manual is not tion, adjustment, alteration, ser- followed exactly, a fire or explosion may result caus- vice, or maintenance can cause ing property damage, personal injury, or loss of life.
  • Page 2: Safety Information

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER SAFETY Heater shall not be installed in a bath- Due to high temperatures, the room. appliance should be located out INFORMATION This heater needs fresh, outside air ven- of traffic and away from furniture tilation to run properly.
  • Page 3: Product Identification

    OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Ignitor Button Control Knob SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.
  • Page 4: Air For Combustion And Ventilation

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Spaces VENTILATION COMBUSTION AND The National Fuel Gas Code ANS Z223.1 The following are excerpts from National VENTILATION defines a confined space as a space whose Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- volume is less than 50 cubic feet per 1000 Btu tion 5.3, Air for Combustion and Ventilation.
  • Page 5 OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
  • Page 6 ™ MBN10TLA VENT-FREE NATURAL GAS HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Grills Into Adjoining Room, Ventilation Option 2 Ventilation Air From Inside Grills Building into Adjoining Remove Room, Door into This fresh air would come from an adjoining...
  • Page 7: Installation

    OWNER’S MANUAL LOCATING HEATER INSTALLATION CEILING This heater is designed to be mounted on a wall. NOTICE: This heater is intended for use as supplemental heat. Use 36" Minimum WARNING: Maintain the mini- this heater along with your pri- 6" mum clearances shown in Figure Minimum mary heating system.
  • Page 8 ™ MBN10TLA VENT-FREE NATURAL GAS HEATER INSTALLATION Thin or Thick Installing Bottom Mounting Wall Screw Continued (thick wall Locate bottom mounting hole. This shown) hole is near bottom on back panel of Installing Two Mounting Screws 1/16" Space heater (see Figure 11).
  • Page 9 OWNER’S MANUAL INSTALLATION Installation must include a equipment shutoff CAUTION: Use pipe joint seal- valve, ground joint union, and plugged Continued ant that is resistant to liquid pe- 1/8" NPT tap. Locate NPT tap within reach troleum (LP) gas. for test gauge hook up. NPT tap must be CONNECTING TO GAS upstream from heater (see Figure 12).
  • Page 10: Operating Heater

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER INSTALLATION Pressure Testing Heater Gas OPERATING Connection Continued HEATER 1. Open equipment shutoff valve (see Fig- CHECKING GAS ure 13). FOR YOUR SAFETY CONNECTIONS 2. Open main gas valve located on or near READ BEFORE gas meter.
  • Page 11 OWNER’S MANUAL OPERATING Note: If pilot goes out, repeat steps THERMOSTAT 3 through 7. This heater has a safety CONTROL HEATER interlock system. Wait one (1) minute OPERATION before lighting pilot again. Continued Turn control knob counterclockwise The thermostatic control used on these LIGHTING to desired heating level.
  • Page 12: Inspecting Burner

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER We also recommend that you keep the burner INSPECTING NOTICE: Do not mistake orange tube and pilot assembly clean and free of flames with yellow tipping. Dust BURNER dust and dirt. To clean these parts we recom-...
  • Page 13: Troubleshooting

    OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. needle, or similar object to clean Note: All troubleshooting items are listed in Only a qualified service person ODS/pilot. This can damage ODS/ order of operation.
  • Page 14 ™ MBN10TLA VENT-FREE NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and Maintenance, page 12) or replace burner orifice 2.
  • Page 15 OWNER’S MANUAL TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • 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.
  • Page 16: Illustrated Parts Breakdown

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN MBN10TLA 12-1 12-2 ODS/PILOT 105728...
  • Page 17: Parts List

    OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. MBN10TLA PART NUMBER DESCRIPTION QTY. 098304-01 Screw, #10 x 3/8" 099467-08...
  • Page 18: Replacement Parts

    ™ MBN10TLA VENT-FREE NATURAL GAS HEATER REPLACEMENT TECHNICAL PARTS SERVICE You may have further questions about in- Note: Use only original replacement parts. stallation, operation, or troubleshooting. This will protect your warranty coverage for parts replaced under warranty. contact Cans Unlimited, Incorporated’s Technical Service Depart-...
  • Page 19 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 105728...
  • Page 20: Warranty Information

    We make no other warranty, expressed or implied. LIMITED WARRANTY MEDALLION VENT-FREE HEATERS Cans Unlimited, Incorporated warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

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