101152-01 Installation Manual

8) InstallationofVerticalExhaustTerminal-UsetheterminalsuppliedbytheventsystemmanufacturershowninTable

7.5.Attachtotheventsystem,followingtheassemblyinstructionsinthismanualforthestainlessventsystembeing

used.

9) AssemblyoftheAirIntakeSystemandAirIntakeTerminals:

a)AssembletheairintakesystemusingeithergalvanizedorPVCpipe.

b) IfPVCpipingisused,usePVCcementtoassemblethePVCintakesystemcomponents.

c)Ifgalvanizedpipingisused,useatleasttwosheetmetalscrewsperjoint.Sealtheoutsideofalljoints.

d)3”galvanizedsmokepipewilltinsidetheinletcollarontheboiler.DependingupontheexactODofthepipeused,

itmaybenecessarytocrimpthispipe.Securewithasingle#10sheetmetalscrewthroughtheholeintheinletcollar

andsealtheoutsideofthejointwithsilicone.IfPVCisusedfortheintakesystem,useashortpieceof3”galvanized

pipetoconnectthePVCtotheboiler.SiliconetheoutsideofthejointbetweenthePVCandgalvanizedpipe.

e)Horizontalintaketerminalisa90degreeelbowpointingdown.Elbowshouldprotrudethesamedistancefromthe

wallastheexhaustterminal.

f) Verticalairintaketerminalconsistsofa180degreebend(composedoftwo90degreeelbows)asshowninFigure

7.10.

g)Installarodentscreen(notsupplied)intheinletterminal.Useascreenhaving1/2”(2x2)orlargermesh.

F. Condensate Trap and Drain Line

 Allcondensatewhichformsintheboilerorventsystemcollectsinthesumpundertheheatexchangerandleavesthe

boilerthroughthecondensatetrap.Thistrapallowscondensatetodrainfromthesumpwhileretaininguegasesintheboiler.

ThetrapissuppliedlooseandmustbeinstalledasshowninFigure7.51.Alengthofdrainhoseissuppliedwiththeboiler

andisconnectedtothetrapasshowninFigure7.51.Notethefollowingwhendisposingofthecondensate:

a)Ifthecondensatedrainlinemustbeextended,constructtheextensionfromPVCorCPVCpipe.Insertthehose

providedwiththeboilerintotheendoftheextensionasshowninFigure7.51.

b) Condensateisslightlyacidic.Donotusemetallicpipeorttingsinthecondensatedrainline.Donotroutethedrain

linethroughareasthatcouldbedamagedbyleakingcondensate.

c)Somejurisdictionsmayrequirethatthecondensatebeneutralizedbeforebeingdisposedof.Disposeofcondensatein

accordancewithlocalcodes.

d)Donotroute,orterminate,thecondensatedrainlineinareassubjectedtofreezingtemperatures.

e)Ifthepointofcondensatedisposalisabovethetrap,itwillbenecessarytouseacondensatepumptomovethe

condensatetothedrain.Insuchcases,selectacondensatepumpthatisapprovedforusewithcondensingfurnaces.If

overowfromthispumpwouldresultinpropertydamage,selectapumpwithanoverowswitchandusethisswitch

toshutdowntheboiler.Alternatively,ifheatisanecessity,usetheoverowswitchtotriggeranalarm.

f) DonotattempttomovethetrapfromthelocationshowninFigure7.51.Donotattempttosubstituteanothertrapfor

theoneprovidedwiththeboiler.

g)TheventshowninFigure7.51mustbeleftopenforthetraptoworkproperly.

WARNING

FAILURE TO INSTALL THE CONDENSATE TRAP AND CONDENSATE DRAIN IN ACCORDANCE

WITH THE ABOVE INSTRUCTIONS COULD CAUSE FLUE GAS TO ENTER THE BUILDING,

RESULTING IN PERSONAL INJURY OR DEATH.

CAUTION

BOILER CONDENSATE IS CORROSIVE. ROUTE CONDENSATE DRAIN LINE IN A MANNER SUCH

THAT ANY CONDENSATE LEAKAGE WILL NOT CAUSE PROPERTY DAMAGE.

SOME JURISDICTIONS MAY REQUIRE THAT CONDENSATE BE NEUTRALIZED PRIOR TO

DISPOSAL.