SystemAir DANVENT DV10 - Mount Rails. Units of Size 30 and Units Larger than Size 30

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8—2
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sealanttoachievethetightestconnectionbetweenrailsandunittopreventrainwaterfrompassingunder
therailsandintotheunit.MounttherailsA1andB2onthefrontside(thesidewiththeinspectiondoors)–
usethesimpleself‐drillingscrewswithoutthesealingwasher–see
theillustrationofthescrewbelow.
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Note:RailB2fitsintotherailA1,andthisofferstheadvantagethattherailB2canbeslidinsidetherailA1
toadjustthelengthofrailB2accuratelytothelengthoftheunit.Inthiswayitis
notnecessarytospend
timeandeffortcuttingtherailB2.
MountthelowerrailsC3andD4onthebacksideoftheunit.
Note:RailD4fitsintotherailC3,andthisofferstheadvantagethattherailD4canbeslidinsidetherailC3
toadjust
thelengthofrailD4accuratelytothelengthoftheunit.Inthiswayitisnotnecessarytospend
timeandeffortoncuttingtherailD4.
Mountverticalrail–E5‐withtheroofslopeateachendoftheunit
Itisimportanttoplacea
screwineachhole–eventhoughthenumberofholesforscrewsseemstobe
verylarge,ascrewineachholeisnecessaryasthestressontheroofduringstormyweatherisextremely
high.
8.1.2Mountrails.Unitsofsize30andunitslargerthansize30.
On
unitsofsize30andonunitsthatarelargerthansize30,railsA1,B2,C3,D4,E5mustbemountedonthe
unitforsupportoftrapezoidalroofplates,butalsorailsYandZmustbemountedlongitudinallyatthe
centre‐lineoftheunits tohold
thetrapezoidalroofplates.
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SqueezesealantinsufficientquantitybetweentheundersideoftherailsA1,B2,C3,D4,E5andthe
horizontaltopsideoftheunitbeforetherailsaremounted.Thismeansthattherailsarestandingon
sealanttoachievethetightestconnectionbetweenrailsand
unittopreventrainwaterfrompassingunder
therailsandintotheunit.MounttherailsA1andB2onthefrontside(thesidewiththeinspectiondoors)–
usethesimpleselfdrillingscrewswithoutthesealingwasher–seetheillustrationofthescrewbelow.
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