Burnham FREEDOM - Page 30

30
4) 80/125mmHorizontalTerminalInstallation-
a)Cuta5-1/2”diameterholethroughtheexteriorwallattheplannedlocationofthehorizontalterminal.
b)Measuredistance“L”fromtheoutsidesurfaceoftheexteriorwalltotheendofthelastttingasshowninFigure
7.33a.
c)Add1-1/4”todistance“L”.CarefullymarkthislengthonthepipeasshowninFigure7.33b.
d)Removetheplasticinnerpipefromtheterminal,bygentlypullingonitfromthemaleend.Setaside.
e)Cuttheouter pipe onlyatthepointmarkedinStep(c)usingaviationshears,ahacksaw,oranabrasivewheelcutter.
Becarefultocutthepipesquare.De-burrthecutendwithaleoremorycloth.
f) Reinstalltheplasticinnerpipeintheterminal,makingsurethatthefemaleendofthispipeiscompletelybottomed
outoverthealuminummaleconnectionvisiblebehindtheairintakegrill.Placeamarkontheplasticinnerpipe3/8”
beyondtheendoftheouterpipe(Figure7.33c).UseanetoothhacksaworaPVCsawtocuttheplasticpipeandbe
carefultocutthepipesquare(ifnecessary,theplasticpipecanberemovedfromtheterminalagainforcutting).De-
burrthecutedgeoftheplasticpipewithale,razorblade,ornesandpaper.
g)Makeamarkontheterminalsection1”fromthecutendoftheouterpipeasshowninFigure7.33c.
h)Sliptheterminalsectionthroughthewallfromtheoutside.Passtheterminalthroughtheinnerwallplateandpush
intothelastsectionofventpipeuntilthemarkmadeinStep(h)isnotlongervisible(Figure7.33d).Securethe
terminaltothelastpieceofpipewiththree#10x1/2”sheetmetalscrews.Drilla1/8holethroughbothouterpipesto
startthesescrews.Use a drill stop or other means to ensure that the drill bit does not penetrate more than 3/8”
into the outer pipe. Do not use a sheet metal screw longer than 1/2”.
i) Sliptheouterwallplateovertheterminalandsecuretothewall(Figure7.33d).Applya1/8”beadofweather
resistantRTVoverthejointbetweentheoutsidewallplateandtheterminal.Securetheotherwallplatetotheinside
wall.
Figure 7.33a: Dimension "L", 80/125mm Horizontal Terminal
Figure 7.33b: Cutting Outer Pipe of 80/125mm Horizontal Terminal