50 FPI P36-4 Zero Clearance Direct Vent Gas FireplaceMAINTENANCE3) Check for evidences of excessivecondensation, such as water droplets formingin the inner liner, and subsequently drippingout the joints, Continuous condensation cancause corrosion of caps, pipe, and fittings. Itmay be caused by having excessive lateralruns, too many elbows, and exterior portionsof the system being exposed to cold weather.4) Inspect joints, to verify that no pipesections or fittings have been disturbed,and consequently loosened. Also checkmechanical supports such as Wall Straps,or plumbers' tape for rigidity.LOG REPLACEMENTThe unit should never be used with broken logs.Turn off the gas valve and allow the unit to coolbefore opening door and carefully remove thelogs. (The pilot light generates enough heat toburn someone.) If for any reason a log shouldneed replacement, you must use the properreplacement log. The position of these logsmust be as shown in the diagrams under LogInstallation.Note: Improper positioning of logs maycreate carbon build-up and willseverely alter the unit's performancewhich is not covered under warranty.THERMOPILE/THERMOCOUPLE1) Open the bottom louvers.2) Loosen the thermocouple or thermopile witha 7/16" wrench.3) Disconnect thermocouple by loosening nutfrom the valve with a 9mm wrench. Dis-connect thermopile by loosening 2 screwsmarked TP on the valve.4) Drop the thermocouple or thermopile downfrom the bracket and pull it out of the unit.5) Reinstall the new ones in reverse order.GLASS GASKETIf the glass gasket requires replacement use5/8" flat glass gasket for the Bay Front (Part# 936-243) and a tadpole glass gasket for theFlush Front (Part # 936-155).DOOR GLASSYour FPI fireplace is supplied with high tem-perature, 5 mm Neoceram ceramic glass thatwill withstand the highest heat that your unit willproduce. If your glass requires cleaning, werecommend using an approved glass cleaneravailable at all authorized dealers. Do not useabrasive materials. Do not clean the glasswhen hot.In the event that you break your glass by impact,purchase your replacement from an authorizedFPI dealer only, and follow our step-by-stepinstructions for replacement.WARNING: Do not operate the appli-ance with the glass panels removed,cracked or broken. Replacement ofthe glass panels should be doneby a licensed or qualified serviceperson.CAUTION: Wear gloves whenremoving damaged or brokenglass.FLUSH GLASS REPLACEMENTRemove the flush door front, see the "Stand-ard Flush Door" section. Remove the 4 glassclips from each corner. Slide in the newreplacement glass. Push the 4 glass clipsback onto the frame. The glass must havegasketing around it.