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BLUE FLAME VENT-FREE NATURAL GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
MBN20TLB
MBN30TLB
Heater Sizes: 20,000 Btu/Hr Thermostat and
30,000 Btu/Hr Thermostat Model Heaters
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* manufactured (mobile) home, where not prohibited
by state or local codes.
* 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. Refer
to this manual for correct instal-
lation and operational proce-
dures. For assistance or addi-
tional information consult a
qualified installer, service
agency, or the gas supplier.
WARNING:
This
unvented gas-fired heater. It
uses air (oxygen) from the
room in which it is installed.
Provisions for adequate com-
bustion and ventilation air
must be provided. Refer to Air
For Combustion and Ventila-
tion, page 4 of this manual.
is
an
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Table of Contents
Related Manuals for Medallion MBN20TLB
Summary of Contents for Medallion MBN20TLB
- Page 1 ™ BLUE FLAME VENT-FREE NATURAL GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL MBN20TLB MBN30TLB ® Heater Sizes: 20,000 Btu/Hr Thermostat and 30,000 Btu/Hr Thermostat Model Heaters WARNING: Improper installa- WARNING: If the information in this manual is not tion, adjustment, alteration, ser-...
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Page 2: Safety Information
™ BLUE FLAME NATURAL GAS HEATER SAFETY This appliance is only for use with the Before using furniture polish, wax, car- type of gas indicated on the rating plate. pet cleaner, or similar products, turn INFORMATION This appliance is not convertible for use heater off. -
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 Sensor Shutoff System (ODS). 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
™ BLUE FLAME NATURAL GAS HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code (ANS Z223.1, 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code. -
Page 5: Determining Fresh-Air Flow For Heater Location
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: Fresh Air For Combustion And Ventilation
™ BLUE FLAME NATURAL GAS HEATER FRESH AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Grills Into Adjoining Room, Ventilation Air From Inside Ventilation Option 2 Building Grills into Adjoining Remove This fresh air would come from an adjoining Room, Door into Option 1... -
Page 7: Check Gas Type
OWNER’S MANUAL INSTALLATION LOCATING HEATER CAUTION: If you install the This heater is designed to be mounted on a heater in a home garage NOTICE: This heater is intended wall. • heater pilot and burner must for use as supplemental heat. Use be at least 18 inches above this heater along with your pri- floor... - Page 8 ™ BLUE FLAME NATURAL GAS HEATER Attaching To Wall Stud: This method INSTALLATION INSTALLING HEATER TO provides the strongest hold. Insert mounting WALL Continued screws through mounting bracket and into wall studs. Mounting Bracket THERMOSTAT SENSING Attaching To Wall Anchor: This method The mounting bracket is located on back BULB allows you to attach mounting bracket to...
- Page 9 OWNER’S MANUAL INSTALLATION 7. Hold spacer in place with one hand. With other hand, insert mounting screw Continued through bottom mounting hole and spacer. Place tip of screw in opening Attaching Mounting Bracket To of wall anchor or drilled hole. Wall Tighten both screws until heater is Note: Wall anchors, mounting screws, and...
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Page 10: Connecting To Gas Supply
™ BLUE FLAME NATURAL GAS HEATER INSTALLATION Apply pipe joint sealant lightly to male is within reach for cleaning. Locate sedi- threads. This will prevent excess sealant ment trap where trapped matter is not likely Continued from going into pipe. Excess sealant in pipe to freeze. -
Page 11: Checking Gas Connections
OWNER’S MANUAL INSTALLATION Pressure Testing Heater Gas OPERATING Connections Continued HEATER Open manual shutoff valve (see Fig- CHECKING GAS FOR YOUR SAFETY ure 14). CONNECTIONS READ BEFORE Open main gas valve located on or near gas meter. LIGHTING WARNING: Test all gas pip- Make sure control knob of heater is in ing and connections for leaks the OFF position. - Page 12 ™ BLUE FLAME NATURAL GAS HEATER OPERATING Keep control knob pressed in for 30 THERMOSTAT seconds after lighting pilot. After 30 CONTROL OPERATION HEATER seconds, release control knob. The thermostatic control used on these Continued Note: If pilot goes out, repeat steps models differs from standard thermo- 3 through 7.
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Page 13: Inspecting Burner
OWNER’S MANUAL INSPECTING CLEANING BURNER WARNING: If yellow tipping PILOT AIR INLET HOLE BURNER occurs, your heater could pro- duce increased levels of carbon We recommend that you clean the unit ev- monoxide. If burner flame pat- ery 2,500 hours of operation or every three Check pilot flame pattern and burner flame tern shows yellow tipping, follow months. -
Page 14: Troubleshooting
™ BLUE FLAME NATURAL GAS HEATER TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off and un- needle, or similar object to clean plug heater and let cool before Note: All troubleshooting items are listed in ODS/pilot. This can damage ODS/ servicing. - Page 15 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner (see Cleaning and Mainte- nance, page 13) or replace burner orifice 2. Burner orifice diameter is too small 2.
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Page 16: Service Hints
™ BLUE FLAME NATURAL GAS HEATER 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. -
Page 17: Replacement Parts
FLOOR MOUNTING STAND referral information. 20,000 Btu/Hr Models When calling Cans Unlimited Incorporated, have ready: MBN20TLB - GA4500L - Ivory • model number of your heater 30,000 Btu/Hr Models • the replacement part number MBN30TLB - GA4510L - Ivory For locating heater on the floor, away from FAN KITS - GA3100A AND a wall. -
Page 18: Illustrated Parts Breakdown
™ BLUE FLAME NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN MBN20TLB MBN30TLB 11-1 11-2 105749... -
Page 19: 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 17 of this manual. MBN20TLB MBN30TLB PART NUMBER FOR MBN20TLB MBN30TLB 20,000 Btu/Hr 30,000 Btu/Hr DESCRIPTION QTY. -
Page 20: Warranty Information
We make no other warranty, expressed or implied. LIMITED WARRANTY MEDALLION VENT-FREE NATURAL GAS 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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