6W415-0682 / D / 02.06.121.4.2 POWER VENT INSTALLATION23.6A. Stretch the inner flex pipe to the required length takinginto account the additional length needed for the fin-ished wall surface. Slip the vent pipe a minimum of 3”over the inner sleeve of the terminal and secure with 3#8 screws. Apply a heavy bead of the high temperaturesealant W573-0007 Mill Pac (not supplied).B. Using the outer flex pipe, slide over the outer combus-tion air sleeve of the terminal and secure with 3 #8screws. Seal using high temperature sealant W573-0002 (not supplied).C. Apply a bead of caulking (not supplied) to the framedopening and secure the terminal. Ensure the arrowsstamped into the frame assembly are pointing upwards.NOTE: For firestop spacer installation instructions,see PVA kit or the appliance Installation Manual.D. Route venting through framed opening and firestop spacer to theappliance.E. The terminal mounting plate may be recessed into the exteriorwall or siding no greater than the depth of its return flange.F. If more vent pipe needs to be used to reach the appliance, couplethem together as illustrated. The vent system must be supportedapproximately every 3 feet for both vertical and horizontal runs.Use noncombustible strapping to maintain the minimum clearanceto combustibles.G. Install the reducer (if required) or vent and properly secure andseal to the unit using high temperature sealantW573-0007 Mill Pac (not supplied). HI-TEMPSEALANT#8 X 1/2” SELF DRILLINGSCREWS & WASHERSINNER COUPLEROUTER COUPLEROUTERFLEX PIPE INNERFLEX PIPEOUTERFLEX PIPETERMINALCAULKINGFIRESTOPSPACER#10 X 2”SCREWSHIGHTEMPERATURESEALANTRETURNFLANGE1.4.3 INITIAL FIRING PROCEDURES! WARNINGALWAYS LIGHT THE PILOT WHETHER FOR THE FIRST TIME OR IF THE GAS SUPPLY HAS RUN OUTWITH THE GLASS DOOR OPENED OR REMOVED. PURGE SHOULD BE PERFORMED BY A QUALI-FIED SERVICE TECHNICIAN. ASSURE THAT A CONTINUOUS GAS FLOW IS AT THE BURNER BE-FORE CLOSING THE DOOR. ENSURE ADEQUATE VENTILATION.In some instances the system may not light pilot/burner with the door open/removed. Partially blocking theexhaust flue collar will allow the safety pressure switch to activate and allow gas flow to the pilot during theinitial test firing.