www.desatech.com119421-01A 5Figure 1 - Vent-Free Gas Log HeaterBaseGrateLog SetControlKnobBurnerPiezoIgnitorPRODUCTIDENTIFICATIONPRODUCT FEATURESOpERATIONThis heater is clean burning. It requires no outsideventing. There is no heat loss out a vent or up achimney. Heat is generated by realistic dancing,yellow flames. This heater is designed for vent-freeoperation with flue damper closed. It has beentested and approved to ANSI Z21.11.2 standardfor unvented heaters. State and local codes insome areas prohibit the use of vent-free heaters.This heater may also be operated as a venteddecorative (ANSI Z21.60) product by openingthe flue damper.SAFETY pILOTThis heater has a pilot with an Oxygen Deple-tion Sensing (ODS) safety shutoff system. TheODS/pilot is a required feature for vent-free roomheaters. The ODS/pilot shuts off the heater if thereis not enough fresh air.pIEzO IGNITION SYSTEMThis heater has a piezo ignitor. This system re-quires no matches, batteries or other sources tolight heater.AIR FOR COMbUSTIONAND VENTILATIONWARNING: This heater shallnot be installed in a confinedspace or unusually tight con-struction unless provisions areprovided for adequate combus-tion and ventilation air. Read thefollowing instructions to insureproper fresh air for this andother fuel-burning appliancesin your home.Today’s homes are built more energy efficientthan ever. New materials, increased insulation andnew construction methods help reduce heat lossin homes. Home owners weather strip and caulkaround windows and doors to keep the cold air outand the warm air in. During heating months, homeowners want their homes as airtight as possible.While it is good to make your home energy effi-cient, your home needs to breathe. Fresh air mustenter your home. All fuel-burning appliances needfresh air for proper combustion and ventilation.UNPACkINGCAUTION: Do not removethe data plates from the grate as-sembly. The data plates containimportant product information.1. Remove logs and heater base assembly fromcarton. Note: Do not pick up heater base as-sembly by burners. This could damage heater.Always handle base assembly by grate.2. Remove all protective packaging applied tologs and heater for shipment.3. Check all items for any shipping damage. Ifdamaged, promptly inform dealer where youbought heater.