American Standard L8V1A040U3VSAA Assembly instructions

SSAAFFEETTYY WWAARRNNIINNGG
Only qualified personnel should install and service the equipment The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment
March 2022 1188--CCEE1155DD11--11CC--EENN
Upflow/Horizontal Left/Right
Gas-Fired, Single Stage Induced Draft Furnace with Varia le
Speed Blower Motor
UUppffllooww,, HHoorriizzoonnttaall RRiigghhtt//LLeefftt
(For use with Natural Gas only )
Single Stage
L8V1A040U3VSAA
L8V1A060U3VSAA
L8V1B080U4VSAA
L8V1C100U5VSAA
NNoottee:: This product complies with SJVAPCD 4905 and SCAQD D 1111 with
NOx levels below 14 ng/J.
NNoottee:: Graphics in this document are for
representation only. Actual model may
differ in appearance.
18-CE15D1-1C-EN
Installer’s Guide

©2022 18-CE15D1-1C-EN
SAFETY SECTION NON-CONDENSING FURNACES
IImmppoorrttaanntt:: — This document pack contains a wiring
diagram and service information. This is
customer property and is to remain with
this unit. Please return to service
information pack upon completion of work.
WWAARRNNIINNGG
FFIIRREE OORR EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
Failure to follow safety warnings exactly
could result in a fire or explosion causing
property damage, personal injury or loss
of life.
—— DDoo nnoott ssttoorree oorr uussee ggaassoolliinnee oorr ootthheerr
ffllaammmmaabbllee vvaappoorrss aanndd lliiqquuiiddss iinn tthhee vviicciinniittyy ooff
tthhiiss oorr aannyy ootthheerr aapppplliiaannccee —— WWHHAATT TTOO DDOO IIFF
YYOOUU SSMMEELLLL GGAASS
•• DDoo nnoott ttrryy ttoo lliigghhtt aannyy aapppplliiaannccee
•• DDoo nnoott ttoouucchh aannyy eelleeccttrriiccaall sswwiittcchh;;ddoo nnoott uussee
aannyy pphhoonnee iinn yyoouurr bbuuiillddiinngg
•• IImmmmeeddiiaatteellyy ccaallll yyoouurr ggaass ssuupppplliieerr ffrroomm aa
nneeiigghhbboorr’’ss pphhoonnee FFoollllooww tthhee ggaass ssuupppplliieerr''ss
iinnssttrruuccttiioonnss
•• IIff yyoouu ccaannnnoott rreeaacchh yyoouurr ggaass ssuupppplliieerr,, ccaallll
tthhee ffiirree ddeeppaarrttmmeenntt
—— IInnssttaallllaattiioonn aanndd sseerrvviiccee mmuusstt bbee ppeerrffoorrmmeedd bbyy
aa qquuaalliiffiieedd iinnssttaalllleerr,, sseerrvviiccee aaggeennccyy,, oorr tthhee ggaass
ssuupppplliieerr
WWAARRNNIINNGG
EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, ppeerrssoonnaall iinnjjuurryy oorr ddeeaatthh
IInnssttaallll aa ggaass ddeetteeccttiinngg wwaarrnniinngg ddeevviiccee iinn ccaassee ooff aa
ggaass lleeaakk NNOOTTEE:: TThhee mmaannuuffaaccttuurreerr ooff yyoouurr ffuurrnnaaccee
ddooeess nnoott tteesstt aannyy ddeetteeccttoorrss aanndd mmaakkeess nnoo
rreepprreesseennttaattiioonnss rreeggaarrddiinngg aannyy bbrraanndd oorr ttyyppee ooff
ddeetteeccttoorr..
WWAARRNNIINNGG
FFIIRREE OORR EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhee ssaaffeettyy wwaarrnniinnggss eexxaaccttllyy ccoouulldd
rreessuulltt iinn sseerriioouuss iinnjjuurryy,, ddeeaatthh,, oorr pprrooppeerrttyy
ddaammaaggee
NNeevveerr tteesstt ffoorr ggaass lleeaakkss wwiitthh aann ooppeenn ffllaammee UUssee aa
ccoommmmeerrcciiaallllyy aavvaaiillaabbllee ssooaapp ssoolluuttiioonn mmaaddee
ssppeecciiffiiccaallllyy ffoorr tthhee ddeetteeccttiioonn ooff lleeaakkss ttoo cchheecckk aallll
ccoonnnneeccttiioonnss AA ffiirree oorr eexxpplloossiioonn mmaayy rreessuulltt
ccaauussiinngg pprrooppeerrttyy ddaammaaggee,, ppeerrssoonnaall iinnjjuurryy,, oorr lloossss
ooff lliiffee
WWAARRNNIINNGG
EELLEECCTTRRIICCAALL SSHHOOCCKK,, FFIIRREE,, OORR
EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
ddaannggeerroouuss ooppeerraattiioonn,, pprrooppeerrttyy ddaammaaggee,, sseevveerree
ppeerrssoonnaall iinnjjuurryy,, oorr ddeeaatthh
IImmpprrooppeerr sseerrvviicciinngg ccoouulldd rreessuulltt iinn ddaannggeerroouuss
ooppeerraattiioonn,, pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall
iinnjjuurryy,, oorr ddeeaatthh
•• BBeeffoorree sseerrvviicciinngg,, ddiissccoonnnneecctt aallll eelleeccttrriiccaall
ppoowweerr ttoo ffuurrnnaaccee
•• WWhheenn sseerrvviicciinngg ccoonnttrroollss,, llaabbeell aallll wwiirreess pprriioorr
ttoo ddiissccoonnnneeccttiioonn RReeccoonnnneecctt wwiirreess ccoorrrreeccttllyy
•• VVeerriiffyy pprrooppeerr ooppeerraattiioonn aafftteerr sseerrvviicciinngg
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE PPOOIISSOONNIINNGG
HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
TToo eennssuurree ffuurrnnaaccee iiss vveenntteedd pprrooppeerrllyy,, ddoo nnoott
rreeppllaaccee ffaaccttoorryy ssuupppplliieedd vveennttiinngg ccoommppoonneennttss wwiitthh
ffiieelldd ffaabbrriiccaatteedd ppaarrttss FFaabbrriiccaattiinngg ppaarrttss ccaann rreessuulltt
iinn ddaammaaggeedd vveennttss aanndd ccoommppoonneennttss aalllloowwiinngg
ccaarrbboonn mmoonnooxxiiddee ttoo eessccaappee tthhee vveennttiinngg ssyysstteemm
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
WWhheenn rreeppllaacciinngg aa ffuurrnnaaccee,, eennssuurree tthhee vveennttiinngg
ssyysstteemm iiss aaddeeqquuaattee ffoorr tthhee nneeww ffuurrnnaaccee
WWAARRNNIINNGG
FFIIRREE HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott iinnssttaallll tthhee ffuurrnnaaccee ddiirreeccttllyy oonn ccaarrppeettiinngg,, ttiillee
oorr ootthheerr ccoommbbuussttiibbllee mmaatteerriiaall ootthheerr tthhaann wwoooodd
fflloooorriinngg

18-CE15D1-1C-EN 3
WWAARRNNIINNGG
WWAARRNNIINNGG!!
TThhiiss pprroodduucctt ccaann eexxppoossee yyoouu ttoo cchheemmiiccaallss
iinncclluuddiinngg lleeaadd,, wwhhiicchh aarree kknnoowwnn ttoo tthhee SSttaattee ooff
CCaalliiffoorrnniiaa ttoo ccaauussee ccaanncceerr aanndd bbiirrtthh ddeeffeeccttss oorr
ootthheerr rreepprroodduuccttiivvee hhaarrmm
FFoorr mmoorree iinnffoorrmmaattiioonn ggoo ttoo wwwwww PP6655WWaarrnniinnggss ccaa
ggoovv
WWAARRNNIINNGG
EELLEECCTTRRIICCAALL SSHHOOCCKK HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott bbyyppaassss tthhee ddoooorr sswwiittcchh oorr ppaanneell lloooopp bbyy
aannyy ppeerrmmaanneenntt mmeeaannss
WWAARRNNIINNGG
EELLEECCTTRRIICCAALL SSHHOOCCKK HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott ttoouucchh aannyy ccoommppoonneennttss ootthheerr tthhaann tthhee MMeennuu
aanndd OOppttiioonn bbuuttttoonnss oonn tthhee IIFFCC
WWAARRNNIINNGG
FFIIRREE OORR EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo NNOOTT aatttteemmpptt ttoo mmaannuuaallllyy lliigghhtt tthhee ffuurrnnaaccee
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE PPOOIISSOONNIINNGG
HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
FFoollllooww tthhee sseerrvviiccee aanndd//oorr ppeerriiooddiicc mmaaiinntteennaannccee
iinnssttrruuccttiioonnss ffoorr tthhee FFuurrnnaaccee aanndd vveennttiinngg ssyysstteemm
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE PPOOIISSOONNIINNGG
HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
sseerriioouuss ppeerrssoonnaall iinnjjuurryy oorr ddeeaatthh
MMaakkee ssuurree tthhaatt tthhee bblloowweerr ddoooorr iiss iinn ppllaaccee aanndd nnoott
aajjaarr DDaannggeerroouuss ffuummeess ccoouulldd eessccaappee aann
iimmpprrooppeerrllyy sseeccuurreedd ddoooorr
WWAARRNNIINNGG
EELLEECCTTRRIICCAALL SSHHOOCCKK HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDiissccoonnnneecctt ppoowweerr ttoo tthhee uunniitt bbeeffoorree rreemmoovviinngg tthhee
bblloowweerr ddoooorr AAllllooww aa mmiinniimmuumm ooff 1100 sseeccoonnddss ffoorr
IIFFCC ppoowweerr ssuuppppllyy ttoo ddiisscchhaarrggee ttoo 00 vvoollttss
WWAARRNNIINNGG
SSAAFFEETTYY HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
TThheessee ffuurrnnaacceess aarree nnoott aapppprroovveedd oorr iinntteennddeedd ffoorr
iinnssttaallllaattiioonn iinn mmaannuuffaaccttuurreedd ((mmoobbiillee)) hhoouussiinngg,,
ttrraaiilleerrss,, oorr rreeccrreeaattiioonnaall vveehhiicclleess
WWAARRNNIINNGG
EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
IInn tthhee eevveenntt tthhaatt eelleeccttrriiccaall,, ffuueell,, oorr mmeecchhaanniiccaall
ffaaiilluurreess ooccccuurr,, sshhuutt ggaass ssuuppppllyy ooffff aatt tthhee mmaannuuaall
ggaass vvaallvvee llooccaatteedd oonn tthhee ssuuppppllyy ggaass ppiippiinngg ccoommiinngg
iinnttoo tthhee ffuurrnnaaccee bbeeffoorree ttuurrnniinngg ooffff tthhee eelleeccttrriiccaall
ppoowweerr ttoo tthhee ffuurrnnaaccee CCoonnttaacctt tthhee sseerrvviiccee aaggeennccyy
ddeessiiggnnaatteedd bbyy yyoouurr ddeeaalleerr
WWAARRNNIINNGG
EEXXPPLLOOSSIIOONN HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseerriioouuss ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott ssttoorree ccoommbbuussttiibbllee mmaatteerriiaallss,, ggaassoolliinnee,, oorr
ootthheerr ffllaammmmaabbllee vvaappoorrss oorr lliiqquuiiddss nneeaarr tthhee uunniitt
WWAARRNNIINNGG
SSAAFFEETTYY HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott uussee sseemmii--rriiggiidd mmeettaalllliicc ggaass ccoonnnneeccttoorrss
((fflleexxiibbllee ggaass lliinneess)) wwiitthhiinn tthhee ffuurrnnaaccee ccaabbiinneett
SSAAFFEETTYY SSEECCTTIIOONN NNOONN--CCOONNDDEENNSSIINNGG FFUURRNNAACCEESS

418-CE15D1-1C-EN
WWAARRNNIINNGG
IINNSSTTAALLLLAATTIIOONN WWAARRNNIINNGG —— HHIIGGHH
VVOOLLTTAAGGEE MMOOVVIINNGG PPAARRTTSS!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
BBooddiillyy iinnjjuurryy ccaann rreessuulltt ffrroomm hhiigghh vvoollttaaggee
eelleeccttrriiccaall ccoommppoonneennttss,, ffaasstt mmoovviinngg ffaannss,, aanndd
ccoommbbuussttiibbllee ggaass FFoorr pprrootteeccttiioonn ffrroomm tthheessee
iinnhheerreenntt hhaazzaarrddss dduurriinngg iinnssttaallllaattiioonn aanndd sseerrvviicciinngg,,
tthhee mmaaiinn ggaass vvaallvvee mmuusstt bbee ttuurrnneedd ooffff aanndd tthhee
eelleeccttrriiccaall ssuuppppllyy mmuusstt bbee ddiissccoonnnneecctteedd IIff
ooppeerraattiinngg cchheecckkss mmuusstt bbee ppeerrffoorrmmeedd wwiitthh tthhee uunniitt
ooppeerraattiinngg,, iitt iiss tthhee tteecchhnniicciiaann’’ss rreessppoonnssiibbiilliittyy ttoo
rreeccooggnniizzee tthheessee hhaazzaarrddss aanndd pprroocceeeedd ssaaffeellyy
WWAARRNNIINNGG
SSAAFFEETTYY HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
DDoo nnoott iinnssttaallll tthhee ffiilltteerr iinn tthhee rreettuurrnn dduucctt ddiirreeccttllyy
aabboovvee tthhee ffuurrnnaaccee iinn hhoorriizzoonnttaall aapppplliiccaattiioonnss
IInnssttaallll tthhee ffiilltteerr rreemmootteellyy
WWAARRNNIINNGG
SSAAFFEETTYY HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
TTuurrnn tthhee ppoowweerr ttoo tthhee ffuurrnnaaccee ooffff bbeeffoorree sseerrvviicciinngg
ffiilltteerrss ttoo aavvooiidd ccoonnttaacctt wwiitthh mmoovviinngg ppaarrttss
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
FFuurrnnaaccee vveennttiinngg iinnttoo aann uunnlliinneedd mmaassoonnrryy cchhiimmnneeyy
oorr ccoonnccrreettee cchhiimmnneeyy iiss pprroohhiibbiitteedd
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
TThhee cchhiimmnneeyy lliinneerr mmuusstt bbee tthhoorroouugghhllyy iinnssppeecctteedd
ttoo iinnssuurree nnoo ccrraacckkss oorr ootthheerr ppootteennttiiaall aarreeaass ffoorr fflluuee
ggaass lleeaakkss aarree pprreesseenntt iinn tthhee lliinneerr LLiinneerr lleeaakkss wwiillll
rreessuulltt iinn eeaarrllyy ddeetteerriioorraattiioonn ooff tthhee cchhiimmnneeyy
WWAARRNNIINNGG
SSHHOOCCKK HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorr
ddeeaatthh
IIff aa ddiissccoonnnneecctt sswwiittcchh iiss pprreesseenntt,, iitt mmuusstt aallwwaayyss bbee
lloocckkeedd iinn tthhee ooppeenn ppoossiittiioonn bbeeffoorree sseerrvviicciinngg tthhee
uunniitt
WWAARRNNIINNGG
OOVVEERRHHEEAATTIINNGG AANNDD EEXXPPLLOOSSIIOONN
HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee,, ppeerrssoonnaall iinnjjuurryy oorr ddeeaatthh
SShhoouulldd oovveerrhheeaattiinngg ooccccuurr,, oorr tthhee ggaass ssuuppppllyy ffaaiill ttoo
sshhuutt ooffff,, sshhuutt ooffff tthhee ggaass vvaallvvee ttoo tthhee uunniitt bbeeffoorree
sshhuuttttiinngg ooffff tthhee eelleeccttrriiccaall ssuuppppllyy
CCAAUUTTIIOONN
IIMMPPRROOPPEERR VVOOLLTTAAGGEE CCOONNNNEECCTTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee
DDoo NNOOTT ccoonnnneecctt tthhee ffuurrnnaaccee lliinnee vvoollttaaggee ttoo aa GGFFCCII
pprrootteecctteedd cciirrccuuiitt
CCAAUUTTIIOONN
CCOORRRROOSSIIOONN WWAARRNNIINNGG!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
DDoo nnoott iinnssttaallll tthhee ffuurrnnaaccee iinn aa ccoorrrroossiivvee oorr
ccoonnttaammiinnaatteedd aattmmoosspphheerree
CCAAUUTTIIOONN
SSHHAARRPP EEDDGGEE HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
BBee ccaarreeffuull ooff sshhaarrpp eeddggeess oonn eeqquuiippmmeenntt oorr aannyy
ccuuttss mmaaddee oonn sshheeeett mmeettaall wwhhiillee iinnssttaalllliinngg oorr
sseerrvviicciinngg
CCAAUUTTIIOONN
BBAACCKKUUPP WWRREENNCCHH RREEQQUUIIRREEDD!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
UUssee aa bbaacckkuupp wwrreenncchh oonn tthhee ggaass vvaallvvee wwhheenn
iinnssttaalllliinngg ggaass ppiippiinngg ttoo pprreevveenntt ddaammaaggee ttoo tthhee ggaass
vvaallvvee aanndd mmaanniiffoolldd aasssseemmbbllyy
SSAAFFEETTYY SSEECCTTIIOONN NNOONN--CCOONNDDEENNSSIINNGG FFUURRNNAACCEESS

18-CE15D1-1C-EN 5
CCAAUUTTIIOONN
FFRREEEEZZEE CCAAUUTTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
IIff ccoommpplleettee ffuurrnnaaccee sshhuuttddoowwnn iiss ddoonnee dduurriinngg tthhee
ccoolldd wweeaatthheerr mmoonntthhss,, pprroovviissiioonnss mmuusstt bbee ttaakkeenn ttoo
pprreevveenntt ffrreeeezzee--uupp ooff aallll wwaatteerr ppiippeess aanndd wwaatteerr
rreecceeppttaacclleess
CCAAUUTTIIOONN
FFRREEEEZZEE CCAAUUTTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
WWhheenneevveerr yyoouurr hhoouussee iiss ttoo bbee vvaaccaanntt,, aarrrraannggee ttoo
hhaavvee ssoommeeoonnee iinnssppeecctt yyoouurr hhoouussee ffoorr pprrooppeerr
tteemmppeerraattuurree TThhiiss iiss vveerryy iimmppoorrttaanntt dduurriinngg
ffrreeeezziinngg wweeaatthheerr IIff ffoorr aannyy rreeaassoonn yyoouurr ffuurrnnaaccee
sshhoouulldd ffaaiill ttoo ooppeerraattee ddaammaaggee ccoouulldd rreessuulltt,, ssuucchh
aass ffrroozzeenn wwaatteerr ppiippeess
CCAAUUTTIIOONN
IIGGNNIITTIIOONN FFUUNNCCTTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn mmaayy rreessuulltt iinn ppoooorr
iiggnniittiioonn cchhaarraacctteerriissttiiccss
MMaaiinnttaaiinn mmaanniiffoolldd pprreessssuurree iinn hhiigghh aallttiittuuddee
iinnssttaallllaattiioonnss
CCAAUUTTIIOONN
WWAATTEERR DDAAMMAAGGEE!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
IItt iiss rreeccoommmmeennddeedd tthhaatt aann eexxtteerrnnaall oovveerrffllooww ddrraaiinn
ppaann bbee iinnssttaalllleedd iinn aallll aapppplliiccaattiioonnss oovveerr aa ffiinniisshheedd
cceeiilliinngg ttoo pprreevveenntt pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall
iinnjjuurryy ffrroomm lleeaakkiinngg ccoonnddeennssaattee
CCAAUUTTIIOONN
HHOOTT SSUURRFFAACCEE!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
ppeerrssoonnaall iinnjjuurryy
DDoo NNOOTT ttoouucchh iiggnniitteerr IItt iiss eexxttrreemmeellyy hhoott
CCAAUUTTIIOONN
FFUURRNNAACCEE SSEERRVVIICCEE CCAAUUTTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
LLaabbeell aallll wwiirreess pprriioorr ttoo ddiissccoonnnneeccttiioonn wwhheenn
sseerrvviicciinngg ccoonnttrroollss VVeerriiffyy pprrooppeerr ooppeerraattiioonn aafftteerr
sseerrvviicciinngg WWiirriinngg eerrrroorrss ccaann ccaauussee iimmpprrooppeerr aanndd
ddaannggeerroouuss ooppeerraattiioonn
CCAAUUTTIIOONN
DDOO NNOOTT UUSSEE AASS CCOONNSSTTRRUUCCTTIIOONN
HHEEAATTEERR!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
IInn oorrddeerr ttoo pprreevveenntt sshhoorrtteenniinngg iittss sseerrvviiccee lliiffee,, tthhee
FFuurrnnaaccee sshhoouulldd NNOOTT bbee uusseedd aass aa ““CCoonnssttrruuccttiioonn
HHeeaatteerr””
CCAAUUTTIIOONN
WWIIRRIINNGG IINNFFOORRMMAATTIIOONN!!
FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn
pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy
TThhee iinntteeggrraatteedd ffuurrnnaaccee ccoonnttrrooll iiss ppoollaarriittyy
sseennssiittiivvee TThhee hhoott lleegg ooff tthhee 112200 VVAACC ppoowweerr mmuusstt
bbee ccoonnnneecctteedd ttoo tthhee BBLLAACCKK ffiieelldd lleeaadd
CCAAUUTTIIOONN
EEQQUUIIPPMMEENNTT DDAAMMAAGGEE!!
UUVV lliigghhtt eexxppoossuurree ccaann ccaauussee tthhee ppllaassttiicc bblloowweerr
mmaatteerriiaall ttoo ddeetteerriioorraattee wwhhiicchh ccoouulldd lleeaadd ttoo BBlloowweerr
HHoouussiinngg DDaammaaggee
FFoorr uunniittss ccoonnttaaiinniinngg aa ppllaassttiicc BBlloowweerr HHoouussiinngg,, DDoo
NNOOTT iinnssttaallll tthhiirrdd ppaarrttyy UUllttrraa--VViioolleett AAiirr CClleeaanneerrss
wwhheerree tthhee BBlloowweerr HHoouussiinngg ccaann bbee eexxppoosseedd ttoo UUVV
lliigghhtt
For more information, visit www.trane.com and www.
americanstandardair.com or contact your installing dealer.
6200 Troup Highway
Tyler, TX 75707
SSAAFFEETTYY SSEECCTTIIOONN NNOONN--CCOONNDDEENNSSIINNGG FFUURRNNAACCEESS

618-CE15D1-1C-EN
WWAARRNNIINNGG
CCAARRBBOONN MMOONNOOXXIIDDEE PPOOIISSOONNIINNGG
HHAAZZAARRDD!!
FFaaiilluurree ttoo ffoollllooww tthhee sstteeppss oouuttlliinneedd bbeellooww ffoorr eeaacchh
aapppplliiaannccee ccoonnnneecctteedd ttoo tthhee vveennttiinngg ssyysstteemm bbeeiinngg
ppllaacceedd iinnttoo ooppeerraattiioonn ccoouulldd rreessuulltt iinn ccaarrbboonn
mmoonnooxxiiddee ppooiissoonniinngg oorr ddeeaatthh
The following steps shall e followed for
each appliance connected to the venting
system eing placed into operation, while
all other appliances connected to the
venting system are not in operation:
•• IInnssppeecctt tthhee vveennttiinngg ssyysstteemm ffoorr pprrooppeerr ssiizzee
aanndd hhoorriizzoonnttaall ppiittcchh aass rreeqquuiirreedd iinn tthhee
NNaattiioonnaall FFuueell GGaass CCooddee,, AANNSSII ZZ222233 11//NNFFPPAA
5544 aanndd tthheessee iinnssttrruuccttiioonnss DDeetteerrmmiinnee tthheerree iiss
nnoo bblloocckkaaggee oorr rreessttrriiccttiioonn,, lleeaakkaaggee,, ccoorrrroossiioonn
oorr ootthheerr ddeeffiicciieenncciieess wwhhiicchh ccoouulldd ccaauussee aann
uunnssaaffee ccoonnddiittiioonn
•• CClloossee aallll ddoooorrss aanndd wwiinnddoowwss bbeettwweeeenn tthhee
ssppaaccee iinn wwhhiicchh tthhee aapppplliiaannccee((ss)) ccoonnnneecctteedd ttoo
tthhee vveennttiinngg ssyysstteemm aarree llooccaatteedd AAllssoo cclloossee
ffiirreeppllaaccee ddaammppeerrss
•• TTuurrnn oonn ccllootthheess ddrryyeerrss aanndd aannyy aapppplliiaannccee nnoott
ccoonnnneecctteedd ttoo tthhee vveennttiinngg ssyysstteemm TTuurrnn oonn
aannyy eexxhhaauusstt ffaannss ssuucchh aass rraannggee hhooooddss ssoo
tthheeyy aarree ooppeerraattiinngg aatt mmaaxxiimmuumm ssppeeeedd DDoo
nnoott ooppeerraattee aa ssuummmmeerr eexxhhaauusstt ffaann
•• FFoollllooww tthhee lliigghhttiinngg iinnssttrruuccttiioonnss PPllaaccee tthhee
aapppplliiaannccee bbeeiinngg iinnssppeecctteedd iinnttoo ooppeerraattiioonn
AAddjjuusstt tthhee tthheerrmmoossttaatt ssoo aapppplliiaannccee iiss
ooppeerraattiinngg ccoonnttiinnuuoouussllyy
•• TTeesstt ffoorr ssppiillllaaggee ffrroomm ddrraafftt hhoooodd eeqquuiippppeedd
aapppplliiaanncceess aatt tthhee ddrraafftt hhoooodd rreelliieeff ooppeenniinngg
aafftteerr 55 mmiinnuutteess ooff mmaaiinn bbuurrnneerr ooppeerraattiioonn
UUssee tthhee ffllaammee ooff aa mmaattcchh oorr ccaannddllee
•• IIff iimmpprrooppeerr vveennttiinngg iiss oobbsseerrvveedd dduurriinngg aannyy ooff
tthhee aabboovvee tteessttss,, tthhee vveennttiinngg ssyysstteemm mmuusstt bbee
ccoorrrreecctteedd iinn aaccccoorrddaannccee wwiitthh tthhee NNaattiioonnaall
FFuueell GGaass CCooddee,, AANNSSII ZZ222211 11//NNFFPPAA 5544
•• AAfftteerr iitt hhaass bbeeeenn ddeetteerrmmiinneedd tthhaatt eeaacchh
aapppplliiaannccee ccoonnnneecctteedd ttoo tthhee vveennttiinngg ssyysstteemm
pprrooppeerrllyy vveennttss wwhheenn tteesstteedd,, rreettuurrnn aallll ddoooorrss,,
wwiinnddoowwss,, eexxhhaauusstt ffaannss,, eettcc ttoo tthheeiirr pprreevviioouuss
ccoonnddiittiioonn ooff uussee
SSAAFFEETTYY SSEECCTTIIOONN NNOONN--CCOONNDDEENNSSIINNGG FFUURRNNAACCEESS

18-CE15D1-1C-EN 7
Accessories 8
Document Pack Contents 8
Furnace Installation Guidelines 9
Safety Practices and Precautions 9
General Guidelines 9
Locations and Clearances 10
Outline Drawing 11
Furnace General Installation 12
Furnace Panel Removal 12
Horizontal Installation in an Attic or
Crawlspace 12
Gas Piping 13
Combustion and Input Check 15
Gas Valve Adjustment 16
High Altitude Derate 17
General Venting 18
Air for Combustion and Ventilation 20
Duct Connections 23
Return Air Filters 30
Electrical Connections 32
Field Wiring 32
General Start-up and Adjustment 34
Preliminary Inspections 34
Lighting Instructions 34
Control and Safety Switch
Adjustment 34
Furnace Combustion Air Exhaust
Options 35
Inducer Venting Conversion
Instructions 36
Integrated Furnace Control Menu 39
Belly Band Location 41
Integrated Furnace Control Display
Codes 42
Setting Airflow 43
Sequence of Operation 44
Ta le of Contents

818-CE15D1-1C-EN
Accessories
Ta le 1. Accessories
Model Number Description Use with
BAYHANG Horizontal Hanging Kit All Furnaces
BAYLIFTB Dual Return Kit (B size extension) B Cabinet Furnaces
BAYLIFTC Dual Return Kit (C size extension) C Cabinet Furnaces
BAYSF1165AA (a) 1” SlimFit Box with MERV 4 Filter All Furnaces
BAYSF1255BA 1” SlimFit Filter and Insulated Frame
All furnaces when used in side return
application
B Cabinet furnaces only when in bottom return
application
FLRSF1255 1” Filter replacement (Qty 12) BAYSF1255BA
BAYVENT800B Masonry Chimney Vent Kit All furnaces
PIP02095 U fitting for gas piping All Furnaces for right hand gas entry
BAYHALTMOD0004 High Altitude Module L8V1C100U5VS*
BAYHALTMOD0005 High Altitude Module L8V1A040U3VS*
BAYHALTMOD0006 High Altitude Module L8V1A060U3VS*
BAYHALTMOD0007 High Altitude Module L8V1B080U4VS*
(a) Airflow greater than 1600 CFM requires dual returns
Document Pack Contents
Item Qty. Description
SSAAFFEETTYY WWAARRNNIINNGG
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
March 2022 1188--CCEE1155DD11--11CC--EENN
Upow/Horizontal Left/Right
Gas-Fired, Single Stage Induced Draft Furnace with Variable
Speed Blower Motor
UUppffllooww,,HHoorriizzoonnttaall RRiigghhtt//LLeefftt
(For use with Natural Gas only.)
Single Stage
L8V1A040U3VSAA
L8V1A060U3VSAA
L8V1B080U4VSAA
L8V1C100U5VSAA
Installer’s Guide
Note: This product complies with SJVAPCD 4905 and SCAQDMD 1111 with
NOx levels below 14 ng/J.
Note: Graphics in this document are for
representation only.Actual model may
differ in appearance.
18-CE15D1-1C-EN
1 1 Plug — Gas
2 1 Combustion Air Duct
Note: For L8V1C100U5VS Only (a)
3 1 Installer’s Guide
4 1 Service Facts
5 1 Owner Guide
6 1 Limited Warranty
7 2 Tinnerman Clips (not pictured)
Note: Tinnerman Clips should be
kept with unit and are used
if the door panel flange hole
(s) becomes stripped.
(a) Future C100 furnaces with the Burner Box limit on the bottom DO NOT require the Combustion Air Duct.

18-CE15D1-1C-EN 9
Furnace Installation Guidelines
The following sections give general guidelines for the
installation of the gas furnaces
Safety Practices and Precautions
The following safety practices and precautions must be
followed during the installation, servicing, and
operation of this Furnace
1 Use only with the type gas approved for this
Furnace Refer to the Furnace rating plate
2 Install the Furnace only in a location and position as
specified in “Locations and Clearances” of these
instructions
3 Provide adequate combustion and ventilation air to
the Furnace space as specified in “Air for
Combustion and Ventilation” of these instructions
4 Combustion products must be discharged
outdoors Connect this Furnace to an approved vent
system only, as specified in the “Venting” section
of these instructions
5 Never test for gas leaks with an open flame Use a
commercially available soap solution made
specifically for the detection of leaks to check all
connections, as specified in the “Gas Piping”
section of these instructions
6 Always install the Furnace to operate within the
Furnace’s intended temperature-rise range with a
duct system which has an external static pressure
within the allowable range, as specified on the unit
rating plate Airflow within temperature rise for cfm
versus static is shown in the Service Facts
accompanying this Furnace
7 When a Furnace is installed so that the supply ducts
carry air circulated by the Furnace to areas outside
the space containing the Furnace, the return air
shall also be handled by a duct(s) sealed to the
Furnace casing and terminating outside the space
containing the Furnace
8 A gas-fired Furnace for installation in a residential
garage must be installed as specified in "Location
and Clearances" section of these instructions
9 The Furnace return air temperature range is
between 55 and 80 Fahrenheit
10 The furnace, under any circumstance may NOT be
used during construction phase of the building or
structure
11 IInn tthhee CCoommmmoonnwweeaalltthh ooff MMaassssaacchhuusseettttss,, tthhiiss
pprroodduucctt mmuusstt bbee ggaass ppiippeedd bbyy aa LLiicceennsseedd
PPlluummbbeerr oorr GGaass FFiitttteerr
This Furnace is certified to leak 1% or less of nominal
air conditioning CFM delivered when pressurized to 5”
water column with all inlets, outlets, and drains sealed
General Guidelines
The manufacturer assumes no responsibility for
equipment installed in violation of any code or
regulation
It is recommended that Manual J of the Air
Conditioning Contractors Association (ACCA) or A R I
230 be followed in estimating heating requirements
When estimating heating requirements for installation
at Altitudes above 2000 ft , remember the gas input
must be reduced See Combustion and Input Check
MMaatteerriiaall iinn tthhiiss sshhiippmmeenntt hhaass bbeeeenn iinnssppeecctteedd aatt tthhee
ffaaccttoorryy aanndd rreelleeaasseedd ttoo tthhee ttrraannssppoorrttaattiioonn aaggeennccyy
wwiitthhoouutt kknnoowwnn ddaammaaggee IInnssppeecctt eexxtteerriioorr ooff ccaarrttoonn
ffoorr eevviiddeennccee ooff rroouugghh hhaannddlliinngg iinn sshhiippmmeenntt
UUnnppaacckk ccaarreeffuullllyy aafftteerr mmoovviinngg eeqquuiippmmeenntt ttoo
aapppprrooxxiimmaattee llooccaattiioonn IIff ddaammaaggee ttoo ccoonntteennttss iiss
ffoouunndd,, rreeppoorrtt tthhee ddaammaaggee iimmmmeeddiiaatteellyy ttoo tthhee
ddeelliivveerriinngg aaggeennccyy
Codes and local utility requirements governing the
installation of gas fired equipment, wiring, plumbing,
and flue connections must be adhered to In the
absence of local codes, the installation must conform
with latest edition of the National Fuel Gas Code ANSI
Z223 1 / NFPA 54 The latest code may be obtained
from the American Gas Association Laboratories, 400
N Capitol St NW, Washington D C 20001
1-800-699-9277 or www aga org
These furnaces have been classified as Fan Assisted
Combustion system CATEGORY I furnaces as required
by ANSI Z21 47 "latest edition" Therefore they do not
require any special provisions for venting other than
what is indicated in these instructions
WWaarrnniinngg:: TThheessee ffuurrnnaacceess aarree nnoott aapppprroovveedd oorr
iinntteennddeedd ffoorr iinnssttaallllaattiioonn iinn mmaannuuffaaccttuurreedd ((mmoobbiillee))
hhoouussiinngg,, ttrraaiilleerrss,, oorr rreeccrreeaattiioonnaall vveehhiicclleess

10 18-CE15D1-1C-EN
Locations and Clearances
The location of the Furnace is normally selected by the
architect, the builder, or the installer However, before
the Furnace is moved into place, be sure to consider
the following requirements:
1 Is the location selected as near the chimney or vent
and as centralized for heat distribution as practical?
2 Do all clearances between the Furnace and
enclosure equal or exceed the minimums stated in
Clearance Table below?
Minimum clearance to combustible materials
FOR UPFLOW APPLICATIONS
14.5" CABINETS, ALL BTU: 1" SIDES, 1" TOP
17.5" CABINETS, ALL BTU: 1" SIDES, 1" TOP
21.0" CABINETS, ALL BTU: 1" SIDES, 1" TOP
FOR HORIZONTAL APPLICATIONS
14.5" CABINETS, ALL BTU: 1" SIDES, 1" TOP
17.5" CABINETS, ALL BTU: 1" SIDES, 1" TOP(
L8X ONLY)
17.5" CABINETS, ALL BTU: 3" SIDES, 1" TOP *
21.0" CABINETS, ALL BTU: 1" SIDES, 1" TOP *
* MINIMUM 1-1/2" AIR CLEARANCE IS REQUIRED
UNDER THE FURNACE IN HORIZONTAL FOR
PROPER OPERATION. SUPPORT MATERIAL
UNDERNEATH THE FURNACE MUST NOT BLOCK
MORE THAN HALF OF THE VENT OPENING AREA.
NOTES:
1: MUST FOLLOW NATIONAL FUEL & GAS CODES
FOR INSTALLS.
2: TYPE B VENT CLEARANCE IS 1".
3: SINGLE WALL VENT NOT PERMITTED.
4: "SIDE" IN HORIZONTAL ARE THE SUPPLY
AND RETURN.
LINE CONTACT ONLY PERMISSIBLE BETWEEN LINES
FORMED BY INTERSECTIONS OF THE TOP AND TWO
SIDES OF THE FURNACE JACKET, AND BUILDING
JOISTS, STUDS OR FRAMING.
THIS FURNACE IS APPROVED FOR UPFLOW AND HORIZONTAL
APPLICATIONS ONLY.
CLEARANCE ARROWS
DO NOT CHANGE WITH
FURNACE ORIENTATION.
INSTALLATION CLEARANCE TO COMBUSTIBLE CONSTRUCTION
D346216P01 REV D
CLEARANCE IN INCHES.
TOP / PLENUM
0" BACK
SERVICE 24" MIN
FRONT 3"
0" BOTTOM
SIDE SIDE
FRONT
FURNACE
3 Is there sufficient space for servicing the Furnace
and other equipment? A minimum of 24 inches
front accessibility to the Furnace must be provided
Any access door or panel must permit removal of
the largest component
4 Are there at least 3 inches of clearance between the
Furnace combustion air openings in the front panel
and any closed panel or door provided?
5 Are the ventilation and combustion air openings
large enough and will they remain unobstructed? If
outside air is used, are the openings set 12" above
the highest snow accumulation level?
6 Allow sufficient height in supply plenum above the
furnace to provide for cooling coil installation, if the
cooling coil is not installed at the time of this
Furnace installation
7 The Furnace shall be installed so electrical
components are protected from water
8 If the Furnace is installed in a garage, it must be
installed so that the burners, and the ignition
source are located not less than 18 inches above the
floor and the Furnace must be located or protected
to avoid physical damage from vehicles
9 The gas furnace must not be located where
excessive exposure to contaminated combustion
air will result in safety and performance related
problems Avoid the following known
contaminants:
a Permanent wave solutions
b Chlorinated waxes and cleaners
c Chlorine based swimming pool chemicals
d Water softening chemicals
e De-icing salts or chemicals
f Carbon tetrachloride
g Halogen type refrigerants
h Cleaning solvents (such as
perchloroethylene)
i Printing inks, paint removers, varnishes, etc
j Hydrochloric acid
k Cements and glues
l Antistatic fabric softeners for clothes dryers
m Masonry acid washing materials
FFuurrnnaaccee IInnssttaallllaattiioonn GGuuiiddeelliinneess

18-CE15D1-1C-EN 11
Outline Drawing
Ta le 2. 14.5”, 17.5”, 21” and 24.5” Width Ca inets

12 18-CE15D1-1C-EN
Furnace General Installation
The following sections give general instructions for the
installation of the gas furnaces
Furnace Panel Removal
Note: For the L8V1 furnace, a 1/4" nut driver is required to remove
the two screws at the top of the front panel. The front panel can
then be removed by lifting upwards.
Note: Tinnerman clips are provided in the doc pack if the door panel
flange hole(s) becomes stripped.
Tinnerman clip locations
(if needed)
Horizontal Installation in an Attic
or Crawlspace
The non-condensing furnace may be installed in an
attic or crawl space in the horizontal position by placing
the furnace on its left or right side (as viewed from the
front in the vertical position) The horizontal furnace
installation in an attic should be on a service platform
large enough to allow for proper clearances on all sides
and service access to the front of the furnace See the
“Locations and Clearances,” p 10 Minimum 1 5" air
clearance is required under the furnace when in
horizontal Support material if underneath the furnace,
must not block more than half of the vent opening area
See Figure 1, p 12 Line contact is only permissible
between lines formed by intersections of the top and
two sides of the furnace casing and building joists,
studs, or framing
The furnace may be placed horizontally in a crawl
space on a pad or other noncombustible material
Place blocks underneath to support the furnace and
raise the unit for sufficient protection from moisture
The furnace may be installed in a hanging position
using straps The furnace should be supported at both
ends and have an additional support in the center of
the furnace in back
Figure 1. Horizontal Furnace
WHEN SUSPENDING THE HORIZONTAL
FURNACE, IT SHOULD BE SUSPENDED
BY ATTACHING TO THE CABINET
IN THE PLACES SHOWN.
WHEN SUPPORTING THE
FURNACE FROM BELOW,
SUPPORT FRONT TO
BACK (AS SHOWN)
OR SIDE TO SIDE.

18-CE15D1-1C-EN 13
Gas Piping
Important: The furnace default is left side gas piping.
Note: For ease of installation, optional accessory part PIP02095 is
recommended for gas piping entering the right side of the
furnace.
Furnace in upflow orientation with gas piping on left
Main Manual
Shut-o Valve
Ground
Union
Joint
Drip Leg
1/8” NPT
Test Fitting
Automatic Gas Valve
with Manual Shut-o
Furnace in upflow orientation with gas piping on right
Note: For ease of installation, optional accessory part PIP02095 is
recommended for gas piping entering the right side of the
furnace in the upflow orientation.
Automatic Gas Valve
with Manual Shut-o
Main Manual
Shut-o Valve
Ground
Union
Joint
Drip Leg
1/8” NPT
Test Fitting
Note: For ease of installation, optional accessory part PIP02095 is
recommended for gas piping entering the right side of the
furnace.
Furnace in horizontal left orientation with gas piping out top
Note: For ease of installation, optional accessory part PIP02095 is
recommended for gas piping entering the top of the furnace in
the horizontal left position.
Main Manual
Shut-o Valve
Ground
Union
Joint
Drip Leg
1/8” NPT
Test Fitting
Automatic Gas Valve
with Manual Shut-o
Furnace in horizontal left orientation with gas piping out bottom
Main Manual
Shut-o Valve Drip Leg
Ground
Union Joint
1/8” NPT
Test Fitting
Automatic Gas Valve
with Manual Shut-o
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14 18-CE15D1-1C-EN
Furnace in horizontal right orientation with gas piping out top
Ground
Union Joint
Drip Leg
1/8” NPT
Test Fitting
Main Manual
Shut-o Valve
Automatic Gas Valve
with Manual Shut-o
Furnace in horizontal right orientation with gas piping out bottom
Note: For ease of installation, optional accessory part PIP02095 is
recommended for gas piping entering the bottom of the
furnace in the horizontal right position.
Automatic Gas Valve
with Manual Shut-o
Ground
Union
Joint
Drip Leg 1/8” NPT
Test Fitting
Main Manual
Shut-o Valve
The furnace is shipped standard for left side installation of gas piping.
A cutout with plug is provided on the right side for an alternate gas
piping arrangement.
The installation of piping shall be in accordance with piping codes and
the regulations of the local gas company. Pipe joint compound must be
resistant to the chemical reaction with liquefied petroleum gases.
Important: If local codes allow the use of flexible gas appliance
connector, always use a new listed connector. Do not use
a connector which has previously serviced another gas
appliance.
Refer to the piping table for delivery sizes. Connect gas supply to the
unit, using a ground joint union and a manual shut-off valve. National
codes require a condensation drip leg to be installed ahead of the gas
valve.
The furnace and its individual shut-off valve must be disconnected
from the gas supply piping system during any pressure testing of that
system at test pressures in excess of 1/2 psig (3.5 kPa).
The furnace must be isolated from the gas supply piping by closing its
individual manual shut-off valve during any pressure testing of the
gas supply piping system at test pressures equal to or less than 1/2
psig (3.5 kPa).
Note: Maximum pressure to the gas valve for natural gas is 13.8" W.
C. Minimum pressure is 5.0" W.C.
NATURAL GAS ONLY
TABLE OF CUBIC FEET PER HOUR OF GAS
FOR VARIOUS PIPE SIZES AND LENGTHS
PIPE
SIZE
LENGTH OF PIPE
10 20 30 40 50 60 70
1/2 131 90 72 62 55 50 46
3/4 273 188 151 129 114 104 95
1 514 353 284 243 215 195 179
1–1/4 1060 726 583 499 442 400 368
This table is based on Pressure Drop of 0.3 inch W.C. and 0.6 SP.
GR. Gas
All gas fittings must be checked for leaks using a soapy solution before
lighting the furnace. DO NOT CHECK WITH AN OPEN FLAME! ORIFICE SIZES
INPUT
RATING
BTUH
NUMBER OF
BURNERS
MAIN BURNER ORIFICE
DRILL SIZE
NAT. GAS
40,000 1 1 - 3.2 mm
60,000 1 1 - #23
80,000 1 1 - #15
100,000 1 1 - #11
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18-CE15D1-1C-EN 15
Com ustion and Input Check
1. Make sure all gas appliances are off except the furnace.
2. Clock the gas meter with the furnace operating (determine the
dial rating of the meter) for one revolution.
3. Match the "Sec" column in the gas flow table with the time
clocked.
4. Read the "Flow" column opposite the number of seconds clocked.
5. Use the following factors if necessary:
a. For 1 Cu. Ft. Dial Gas Flow CFH = Chart Flow Reading ÷ 2
b. For 1/2 Cu Ft. Dial Gas Flow CFH = Chart Flow Reading ÷ 4
c. For 5 Cu. Ft. Dial Gas Flow CFH = 10X Chart Flow Reading ÷ 4
6. Multiply the final figure by the heating value of the gas obtained
from the utility company and compare to the nameplate rating.
This must not exceed the nameplate rating.
Gas Flow in Cubic Feet Per Hour
2 Cubic Foot Dial
Sec. Flow Sec. Flow Sec. Flow Sec. Flow
10 732 31 236 52 141 86 85
11 666 32 229 53 138 88 83
12 610 33 222 54 136 90 81
13 563 34 215 55 133 94 78
14 523 35 209 56 131 98 75
15 488 36 203 57 128 100 73
16 458 37 198 58 126 104 70
17 431 38 193 59 124 108 68
18 407 39 188 60 122 112 65
19 385 40 183 62 118 116 63
20 366 41 179 64 114 120 61
21 349 42 174 66 111 130 56
22 333 43 170 68 108 140 52
23 318 44 166 70 105 150 49
24 305 45 163 72 102 160 46
25 293 46 159 74 99 170 43
26 282 47 156 76 96 180 41
27 271 48 153 78 94 190 39
28 262 49 149 80 92 200 37
29 253 50 146 82 89
30 244 51 144 84 87
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16 18-CE15D1-1C-EN
Gas Valve Adjustment
Note: The gas valve supplied with this unit has been calibrated
specifically for the Ultra Lo-NOx ignition system. Adjustment is
not typically necessary.
Manifold pressure adjustments are only recommended when there are
ignition light-off, flame stabilization, or tonal issues with the furnace.
To adjust the manifold pressure:
1. Turn off all electrical power to the system.
2. Attach a manifold pressure gauge with flexible tubing to the outlet
pressure boss marked "OUT P" on White- Rodgers gas valve
model 36J.
3. Loosen (Do Not remove) the pressure tap test set screw one turn
with 3/32" hex wrench.
a. The pressure tap adjustment kit (KIT07611) contains a 3/32"
hex wrench, a 5/16" hose and a connector and can be
ordered through Global Parts.
4. Turn on system power and make a call for heating.
5. To adjust the run manifold pressure, remove the high (HI)
adjustment regulator cover screw.
a. To increase outlet pressure, turn the regulator adjust screw
clockwise.
b. To decrease outlet pressure, turn the regulator adjust screw
counterclockwise.
c. Adjust regulator until pressure shown on manometer
matches the pressure specified in the table.
The input of no more than nameplate rating and no less than
93% of the nameplate rating, unless the unit is derated for
high altitude.
d. Replace and tighten the regulator cover screw securely.
6. To adjust the light off manifold pressure, remove the low (LO)
adjustment regulator cover screw.
a. To increase outlet pressure, turn the regulator adjust screw
clockwise.
b. To decrease outlet pressure, turn the regulator adjust screw
counterclockwise.
c. Adjust regulator until pressure shown on manometer
matches the pressure specified in the table.
The input of no more than nameplate rating and no less than
93% of the nameplate rating, unless the unit is derated for
high altitude.
d. Replace and tighten the regulator cover screw securely.
7. Cycle the furnace several times to verify regulator setting.
a. Repeat steps 5-7 if needed.
8. Turn off all electrical power to the system.
9. Remove the manometer and flexible tubing and tighten the
pressure tap screw.
10. Using a leak detection solution or soap suds, check for leaks at the
pressure outlet boss and pressure tap test screw.
11. Turn on system power and check operation of the unit.
Outlet Pressure Boss
Run Stage (HI) Manifold Pressure Adjustment
Light Off (LO) Manifold Pressure Adjustment
Inlet Pressure
Boss
Gas Valve On/Off
Toggle Switch
White-Rodgers 36J
Maximum and Minimum INLET Pressure (inches w.c.)
Natural Gas
Maximum 13.8
Minimum 5
Recommended Fuel Manifold Settings (inches w.c.)
L8V1A040U3VS
2.1" Light-Off (LO) /
3.0" Run (HI)
L8V1A060U3VS
L8V1B080U4VS
L8V1C100U5VS
Orifice sizes for Natural Gas
L8V1A040U3VS 3.2 mm
L8V1A060U3VS #23
L8V1B080U4VS #15
L8V1C100U5VS #11
Note: Adjust RUN / (HI) manifold pressure to ~ 2.7" if high pitch
combustion sound develops.
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18-CE15D1-1C-EN 17
High Altitude Derate
Input ratings (BTUH) of these Furnaces are based on sea level
operation and should not be changed at elevations up to 2,000 ft. (610
m).
If the installation is 2,000 ft. (610 m) or above, the Furnace input rate
(BTUH) shall be reduced 4% for each 1,000 ft. above sea level.
The Furnace input rate shall be checked by clocking the gas flow rate
(CFH) and multiplying by the heating value obtained from the local
utility supplier for the gas being delivered at the installed altitude.
Input rate changes can be made by adjusting the Manifold Pressure
(min 2.7 - max 3.0 in. W.C. - Natural Gas).
If the desired input rate can not be achieved with a change in Manifold
Pressure, then the orifices must be changed.
PART NUMBERS FOR REPLACEMENT ORIFICES
DRILL SIZE J-TUBE PART NUMBER
A040 = 3.2 mm TUB15871
A060 = #23 TUB15353
B080 = #15 TUB15443
C100 = #11 TUB15780
Turn the main Gas Valve toggle switch within the unit to the "OFF"
position. Turn the external gas valve to "ON". Purge the air from the
gas lines. After purging, check all gas connections for leaks with a
soapy solution – DO NOT CHECK WITH AN OPEN FLAME. Allow 5
minutes for any gas that might have escaped to dissipate.
Note: For furnaces requiring modifications other than manifold
pressure adjustment for installation at high altitude,
installation of this furnace at altitudes above 2000 ft (610 m)
shall be made in accordance with the listed High Altitude
Conversion Kit available with this furnace.
High Altitude Kits
Attributes 0 - 4000 ft 4001 - 7800 ft
A040 N/A BAYHALTMOD0005
A060 N/A BAYHALTMOD0006
B080 N/A BAYHALTMOD0007
C100 N/A BAYHALTMOD0004
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18 18-CE15D1-1C-EN
General Venting
VENT PIPING
These furnaces have been classified as Fan-Assisted
Combustion System, Category I furnaces under the
"latest edition" provisions of ANSI Z21 47 standards
Category I furnaces operate with a non-positive vent
static pressure and with a flue loss of not less than 17
percent
IImmppoorrttaanntt:: To reduce the combustion back pressure
tones that may occur, the minimum overall
length of B-vent must be 7 feet.
Multistory and common venting are permitted for
these furnaces Venting systems shall be in accordance
with the National Fuel Gas Code, ANSI Z223 1/NFPA 54,
local codes, and this installation manual
Side wall termination with the use of an add-on draft
inducer is not allowed with this furnace.
The furnace shall be connected to a factory built
chimney or vent complying with a recognized standard,
or a masonry or concrete chimney lined with a lining
material acceptable to the authority having jurisdiction.
VENTING INTO A MASONRY CHIMNEY
If the chimney is oversized, the liner is inadequate, or flue-gas
condensation is a problem in your area, consider using the chimney as
a pathway or chase for type "B" vent or flexible vent liner. If flexible
liner material is used, size the vent using the "B" vent tables, then
reduce the maximum capacity by 20% (multiply 0.80 times the
maximum capacity). Masonry Chimney Kit BAYVENT800B may be
used with these furnaces (Upflow model furnaces only) to allow
venting into a masonry chimney. Refer to the BAYVENT800B
Installer’s Guide for application requirements.
INTERNAL MASONRY CHIMNEYS
Venting of fan assisted appliances into a lined, internal masonry
chimney is allowed only if it is common vented with at least one
natural draft appliance; OR, if the chimney is lined with type "B",
double wall vent or suitable flexible liner material
WWAARRNNIINNGG
SSaaffeettyy HHaazzaarrdd!!
FFaaiilluurree ttoo ffoollllooww tthhiiss wwaarrnniinngg ccoouulldd rreessuulltt iinn ccaarrbboonn
mmoonnooxxiiddee ppooiissoonniinngg oorr ddeeaatthh
TThhee cchhiimmnneeyy lliinneerr mmuusstt bbee tthhoorroouugghhllyy iinnssppeecctteedd ttoo
iinnssuurree nnoo ccrraacckkss oorr ootthheerr ppootteennttiiaall aarreeaass ffoorr fflluuee ggaass
lleeaakkss aarree pprreesseenntt iinn tthhee lliinneerr LLiinneerr lleeaakkss wwiillll rreessuulltt
iinn eeaarrllyy ddeetteerriioorraattiioonn ooff tthhee cchhiimmnneeyy
The following section does not apply if BAYVENT800B (Masonry Chimney Vent Kit) is used. All instructions with the kit must be
followed.
Masonry Chimney Venting
Type Furnace Tile Lined Chimney Chimney Lining
Internal External “B” Vent Flexible Metal Liner
Single Fan Assist No No Yes Yes (a)
Fan Assist + Fan Assist No No Yes Yes (a)
Fan Assist + Natural Yes No Yes Yes (a)
(a) Flexible chimney liner size is determined by using the type "B" vent size for the available BTUH input, then reducing the maximum capacity by 20%
(multiply maximum capacity times 0.80). The minimum capacity is the same as shown in the "B" vent tables.
FFuurrnnaaccee GGeenneerraall IInnssttaallllaattiioonn

18-CE15D1-1C-EN 19
EXTERNAL MASONRY CHIMNEY
Venting of fan assisted appliances into external chimneys (one or more walls
exposed to outdoor temperatures), requires the chimney be lined with type "B",
double wall vent or suitable flexible chimney liner material. This applies in all
combinations of common venting as well as for fan assisted appliances vented
alone.
The following installation practices are recommended to minimize corrosion caused
by condensation of flue products in the furnace and flue gas system.
1. Avoid an excessive number of bends.
2. Horizontal runs should pitch upward at least 1/4" per foot.
3. Horizontal runs should be as short as possible.
4. All vent pipe or connectors should be securely supported and must be inserted
into, but not beyond the inside wall at the chimney vent.
5. When vent connections must pass through walls or partitions of combustible
material, a thimble must be used and installed according to local codes.
6. Vent pipe through the roof should be extended to a height determined by
National Fuel Gas Code or local codes. It should be capped properly to prevent
rain water from entering the vent. Roof exit should be waterproofed.
7. Use type "B" double wall vent when vent pipe is routed through cool spaces
(below 60° F.).
8. Where long periods of airflow are desired for comfort, use long fan cycles
instead of continuous airflow.
9. Apply other good venting practices as stated in the venting section of the
National Fuel Gas Code ANSI Z223.1 "latest edition".
10. Vent connectors serving appliance vented by natural draft or non-
positive pressure shall not be connected into any portion of a
mechanized draft system operating under positive pressure.
11. Horizontal pipe runs must be supported by hangers, straps or other suitable
material in intervals at a minimum of every 3 feet of pipe.
12. A furnace shall not be connected to a chimney or flue serving a separate
appliance designed to burn solid fuel.
13. The flow area of the largest section of vertical vent or chimney shall not exceed
7 times the smallest listed appliance categorized vent area, flue collar area, or
draft hood outlet area unless designed in accordance with approved
engineering methods.
Maximum Vent or Tile Lined Chimney Flow Area = [ππ(D*)2]/4 X 7
* Drafthood outlet diameter, flue collar diameter, or listed appliance categorized
vent diameter.
Gas Vent Termination
Roof Pitch Minimum Height
Flat to 6/12
Over 6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 9/12
Over 9/12 to 10/12
Over 10/12 to 11/12
Over 11/12 to 12/12
Over 12/12 to 14/12
Over 14/12 to 16/12
Over 16/12 to 18/12
Over 18/12 to 20/12
Over 20/12 to 21/12
1.0 Feet (a)
1.25 Feet
1.5 Feet
2.0 Feet
2.5 Feet
3.25 Feet
4.0 Feet
5.0 Feet
6.0 Feet
7.0 Feet
7.5 Feet
8.0 Feet
(a) This requirement covers most installations
Vertical Wall
Lowest Discharge
Opening
8 ft.
Listed
Cap
Minimum
Height
Roof Pitch is X/12
The vent termination should not be
less than 8 ft. from a vertical wall.
(a) This requirement covers most installations
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20 18-CE15D1-1C-EN
Air for Com ustion and Ventilation
Adequate flow of combustion and ventilating air must not be
obstructed from reaching the Furnace. Air openings provided in the
Furnace casing must be kept free of obstructions which restrict the
flow of air. Airflow restrictions affect the efficiency and safe operation
of the Furnace. Keep this in mind should you choose to remodel or
change the area which contains your Furnace. Furnaces must have a
free flow of air for proper performance.
Provisions for combustion and ventilation air shall be made in
accordance with "latest edition" of Section 9.3, Air for Combustion and
Ventilation, of the National Fuel Gas Code, ANSI Z223.1 / NFPA 54.
Installation Codes, and applicable provisions of the local building
codes. Special conditions created by mechanical exhausting of air and
fireplaces must be considered to avoid unsatisfactory Furnace
operation.
Furnace location may be in an unconfined space or a confined
space.
Unconfined space are installations with 50 cu. ft. or more per 1000
BTU/hr input from all equipment installed. Unconfined spaces are
defined in the table and illustration for various furnace sizes. These
spaces may have adequate air by infiltration to provide air for
combustion, ventilation, and dilution of flue gases. Buildings with tight
construction (for example, weather stripping, heavily insulated,
caulked, vapor barrier, etc.), may need additional air provided as
described for confined space.
Minimum Area in Square Feet for Unconfined Space Installations
Furnace Maximum BTUH Input
Rating
With 8 Ft. Ceiling,
Minimum Area in Square Feet of
Unconfined Space
40,000 250
60,000 375
80,000 500
100,000 625
NO
DOORS
FURNACE
WATER
HEATER
CLOTHES
DRYER
UNCONFINED
50 CU. FT. OR MORE
PER 1000 BTU/HR INPUT
ALL EQUIP. INSTALLED
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