Lennox Hearth 90UGF Series manual thumb

kit)Aion),/7(56filtershowor.Theinstallmustyoufiltrbethedinmayfilterplacereturnbeloctedanyationirtimegrille.inThefilterthethe.Askunitunityourisshould(optioninoperadealerbe-

4Cleanfilter3--tabsfilterUsingattached,.doorthefilterfromwithcoldoutdooroffilterpins,byrackpullingandassfiltaupmblymildonor,.soapsecurngRemovewith.Di-

inspectedmonthlyandclanedwhennecessaryto

rect

thrugh

intheoppositedrection

ofairwaterfl.All

w

todry,thenspraywi

filter

romLennoxandmustbeordedsepaately.Th

5--

priortoreinstallation.

sothat

Position

filterdooronendof

assureproperfurnaceop

ration.

unitare

handicater,availabfilterwaterfromyourLennoxdealer,

Filtersused

the90UGF

furnace.Checkforcorrectairflowposition.

foamfiltersmaybeclaedforseriesuse.Ifreplacemvailablent

isnecessary,insideorerLennoxpartno.31J81for14îX

Squezehumbtabstosecurefiltertodoor.

andP--8--7831for20îX25î(508X635mm)filtersedu

thumb

sideofthefilterdoor

sawayfrmthe

6--

installedonsideoffurnace.Pushdoorintofilter

25î(356X635mm)filterfor90UGF--0and--75

nits

Guid

tabfilerandfilterdoorintotheflterrack

with90UGF--100and--125unis.Usethefollowing

rackuntilsecure.

proceduretocleanfilter.Refrtofigure1.

1 Turnoffelectricpowertofurnace.

5(029,1*￿5(3/$&,1*),/7(5'225

InUnitFilterwithBottomRet

Air

2

Remove

bloweraccesspanl.

),/7(5'225

7$%

3--

filterbypressingsidefilterclipsand

3,1

pullingfilterupandout.Seefigure4.

),/7(5'225

),/7(5

%277205(7851),/7(55($5),/7(5,167&/,$3//$7,21

6,'(),/7(5&/,36￿￿￿5(7851

$,523(1,1*

)851$&(

),/7(5'225

%$&.

),*85(7$￿%

1$&(

),85(*

￿

)851$&(

3,1

com

)85217

%$6(%27720

A6(qualfied$621$/,163(&chnician7,216shouldinspect

4 Cleanfilterwithcoldwaterandamildsoap.Di-

plete

eachseason(hatingandcooling).The

rect

aterthrough

intheopposite

tion

followsysteming

ntenanceproceduresshouldthebcon

5

of

flow.Removefiltersop

.

coat-

ductedby

qualifidservictechnician.Donotat

Allw

todrythenspaywithfilterhan

tempttoserviceth

inanyway.

(P--8--5069),availablefromryouresidueLnnoxealer,dire

Duringaseas

nalcheckunitheservicetechnicianwillin-

6Placeairo

toreinsbottomallatonof.

compartmentbe-

spectthe

indoor

blower,

theburnerflameandthe

7--

Replacfilterbloweraccesspanel.

Annually

(before

season)

spectfunace

Filter

lipsflex,allowingblowerfilttosnapintoplace.

V

S

nathreafteilrcip.Pressdownonfltersides

systm.

heatexchanger

ndburnersfor

ventingystm

21InUnit--U\LocateTurnRUGHDWKFilterofftheelect￿withfiltrericSide:pweroor$Returnof51,1*tothefurnaceAfilter(Seerack.Figureassembly5).

deterioration,ordepsitsofdebrs.Re-

theductInspectwithoutInspmovecorrosion,ositilacspacisctanyphysicfurnaceblockhosaledcontainingobstructioopdortogellyrventigthe.upwardsound,turnxcessiveVentfurnacetheairductconnectionconectorm.systemfurnaceandcorrosionndwithobephysicallyto.terminatesmakeu.stholes,besuretoeninoutidcoritsoundisrureectroin-

3DJH￿