1VENT-FREE BLUE FLAMEGAS WALL HEATERMODEL #(C)(GC)B10DT/B10DM(B)(C)(GC)B20DT/B20DM(B)(C)(GC)B30DT/B30DM(B)INSTALLER: Leave this manual with the appliance.CONSUMER: Retain this manual for future reference.WARNING: IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWEDEXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTYDAMAGE, PERSONAL INJURY OR LOSS OF LIFE.Questions, problems, missing parts? Before returning to your retailer, call ourcustomer service department at 1-800-655-2008 or find us on the web atwww.SuperiorFireplaces.US.comWARNING: This appliance is equipped forNatural and Propane gas. Field conversion is notpermitted.- Do not store or use gasoline or other flammable vapors and Iiquids in vicinity of this orany 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’sinstructions.• If you cannot reach your gas supplier, call the fire department.- Installation and service must be performed by a qualified installer, service agency or thegas supplier.This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it isinstalled. Provisions for adequate combustion and ventilation air must be provided.Refer to Air For Combustion and Ventilation section on page 8 of this manual.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 propane or natural gas.This appliance is equipped with a simple means to switch between propane and natural gas.Field conversion by any other means including the use of a kit is not permitted.C USWARNING: Do not attempt to access orchange the setting of the fuel selection means.Access to and adjustment of the fuel selectionmeans must only be performed by a qualifiedservice person when connecting this appliance to aspecified fuel supply at the time of installation.Change of the selector setting to other than the fueltype specified at the time of installation could dam-age this appliance and render it inoperable.The installer shall replace the access cover beforecompleting the installation and operating this appli-ance.C USANS Z21.11.2-2013900269-02Gas Fired Room HeatersVolume II - Unvented Room Heaters