Horizon® HZ33CE-10 Gas Fireplace | 45|45operating instructionsOPERATINGINSTRUCTIONS1. Read and understand these instructionsbefore operating this appliance.2. Check to see that all wiring is correct andenclosed to prevent possible shock.3. Check to ensure there are no gas leaks.4. Make sure the glass in the glass door frameis properly positioned. Never operate theappliance with the glass removed.5. Verify that the venting and cap areunobstructed.6. The unit should never be turned off, and onagain without a minimum of a 60 secondwait.During the first few fires, a white filmmay develop on the glass front as part ofthe curing process. The glass should becleaned after the unit has cooled downor the film will bake on and become verydifficult to remove. Use a non-abrasivecleaner and DO NOT ATTEMPT TO CLEANTHE GLASS WHILE IT IS HOT.The FIRST FIRE in your heater is part of thepaint curing process. To ensure the paint is prop-erly cured, it is recommended you burn yourfireplace for at least four (4. hours the first time.When first operated, the unit will release anodour caused by the curing of the paint and theburning off of any oils remaining from manufac-turing. Smoke detectors in the house may go offat this time. Open a few windows to ventilatethe room for a couple of hours. The glass mayrequire cleaning.NOTE: When the glass is cold and the applianceis lit, it may cause condensation and fogthe glass. This condensation is normaland will disappear in a few minutes asthe glass heats up.DO NOT ATTEMPT TO CLEAN THEGLASS WHILE IT IS STILL HOT!DO NOT BURN THE UNIT WITHOUT THEGLASS DOOR IN PLACE.FIRST FIRENORMAL OPERATINGSOUNDS OFGAS APPLIANCESIt is possible that you will hear some sounds fromyour gas appliance.This is perfectly normal due tothe fact that there are various gauges and typesof steel used within your appliance. Listed beloware some examples. All are normal operatingsounds and should not be considered as defectsin your appliance.Burner Tray:The burner tray is positioned directly under theburner and is made of a different gauge materialfrom the rest of the firebox and body. Therefore,the varying thicknesses of steel will expand andcontract at slightly different rates which can cause"ticking" and "cracking" sounds. You should alsobe aware that as there are temperature changeswithin the unit these sounds will likely re-occur.Again, this is normal for steel fireboxes.Pilot Flame:While the pilot flame is on it can make a veryslight "whisper" sound.Gas Control Valve:As the gas control valve turns ON and OFF, adull clicking sound may be audible, this is normaloperation of a gas regulator or valve.Unit Body/Firebox:Different types and thicknesses of steel willexpand and contract at different rates resultingin some "cracking" and "ticking" sounds will beheard throughout the cycling process.