B,VentDamperInstallation
1 Ventdampersare providedon models61-03through61-08as standardequipment.
2--Unpack thevent damperandfollowthese instructionsandthe installationinstructionsin theventdampercarton.Observethecautionsand
warmngthat accompanyall instructions.Do notmodifyventdamperor boilerdrafthood
3--The ventdampercanbe mounteddirectlyonto the drafthood outletcollar,or in theventpipingclose to the boiler.Seefigures14and 15,Be
sure directionofflow arrowlocatedondampercollar,ispointingawayfromdraft hoodcollarand damperpositionindicatorisvisibleafter
installation,Forinstallationwithdampermountedin the horizontalposition,mountthe damperas shownin figure15toavoidexcessiveheat
and possiblecondensationdrips onthe damperoperatingcontrol.
4--Do not useoneventdamperto controltwo or moreheatingappliances.Seefigure 13.
5 Makecertainthatthe minimumclearancesprovidedinthe ventdampermanufacturersinstructionsare maintainedandthatadequatespaceis
providedfor damperaccessand service.
6--A wiringharnessis packedwiththe ventdamperwith pluginconnectionsat eachendof theharness.Connectsmallerendintodampermotor
receptacleand connectotherendto boileraquastatrelay_imit(on waterboilermodelsequippedanL8148Eor L8124Elimitcontrol),orboiler
junctionbox (onsteam boilermodels),
7--Damper mustbe in theopenpositionwhenappliancemainburnersare operating.
OTHERHEATING
APPLIANCE
I[_ OTHER
HEATING
APPLIANCE
INCORRECT CORRECT
Figure13:VentingMultipleAppliances
8