Blue Summit BG961UHE User manual

507768-02B Page 1 of 56Issue 1904
INSTALLATION INSTRUCTIONS
BG961UHE
Warm Air Gas Furnace
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Save these instructions for future reference
(P) 507768-02B
*P507768-02B*
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Blue Summit LLC
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This manual must be left with the homeowner for future reference.
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CAUTION
Table of Contents
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Gas Furnace
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Gas Piping38
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Service52
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507768-02BPage 2 of 56 Issue 1904
Front View
Top View
Side View
3/4
(19)
B
33
(838)
A
1 Bottom Return
Air Opening
9/16
(14)
Air Flow
C
3/4
(19)
14-3/4
(375)
16
(406)
2 Optional
Side Return
Air Filter Kit
(either side)
5/8
(16)
19-7/16 (494)
27-3/4 (705)
6-1/2 (165)
(either side)
14
(356)
Condensate
Trap Connection
(either side)
Electrical Inlet
(either side)
9 (229) Right
6-9/16 (167) Left
Gas Piping Inlet
(either side)
2 (51) (either side)
9/16
(14)
1 (25)
Front Panel
1 Bottom Return
Air Opening
3-1/4
(83)
12-5/8 (321)
(either side)
23
(584)
1Side Return
Air Opening
(either side)
1-15/16 (49)
1-1/2
(38)
23-1/2 (597)
Supply Air
Opening
2 (51)
2-7/8
(73)
Exhaust Air
Outlet
Combustion
Air Intake
2 Optional
Side Return
Air Filter Kit
(either side)
23-3/4 (603)
25 (635)
3-3/8
(86)
D
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Model
BG961UHE
ABC D
in. mm in. mm in. mm in. mm

070-12     16   
090-16
110-20 21 533  505    238
Unit Dimensions

507768-02B Page 3 of 56Issue 1904
Figure 1.
Parts Arrangement

507768-02B3DJHRI Issue 1904
Gas Furnace
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NOTE: In Direct Vent installations, combustion air is taken
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Figure 2.
Figure 3.
Shipping and Packing List
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Safety Information
DANGER OF EXPLOSION!
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507768-02B Page 5 of 56Issue 1904
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507768-02BPage 8 of 56 Issue 1904
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Figure 7. (TXLSPHQWLQ&RQ¿QHG6SDFH$OO$LUIURP
Outside
(All Air through Ventilated Attic)
Figure 8. (TXLSPHQWLQ&RQ¿QHG6SDFH$OO$LUIURP
Outside
OUTLET AIR
INLET AIR
NOTE−Each air duct opening shall have a free area of at least one
square inch per 2,000 Btu (645mm 2
per .59kW) per hour of the total
input rating of all equipment in the enclosure. If the equipment room
is located against an outside wall and the air openings communi-
cate directly with the outdoors, each opening shall have a free area
of at least 1 square inch per 4,000 Btu (645mm 2
per 1.17kW) per
hour of the total input rating of all other equipment in the enclosure.
ROOF TERMINATED
EXHAUST PIPE
SIDE WALL
TERMINATED
EXHAUST PIPE
(ALTERNATE
LOCATION)
FURNACE

507768-02B Page 9 of 56Issue 1904
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WARNING
Ventilation Louvers
Inlet Air
(Minimum 12 in.
(305mm) above
Attic Floor)
Roof Terminated
Exhaust Pipe
Furnace
*Intake Debris
Screen
(Provided)
* See Maximum Vent Lengths table
NOTE7KHLQOHWDQGRXWOHWDLURSHQLQJVVKDOOHDFKKDYHDIUHHDUHD
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Figure 9. (TXLSPHQWLQ&RQ¿QHG6SDFH
(Inlet Air from Ventilated Attic and Outlet Air to
Outside)
Roof Terminated
Exhaust Pipe
Furnace
Ventilation
Louvers
(Crawl Space)
*Intake Debris Screen Provided
Inlet Air
Minimum
12 in. (305mm)
above Crawl
Space Floor
Coupling or
3 in. to 2 in.
Transition
(Field Provided)
* See Maximum Vent Lengths table
NOTE7KHLQOHWDQGRXWOHWDLURSHQLQJVVKDOOHDFKKDYHDIUHHDUHD
RIDWOHDVWRQHVTXDUH LQFK SHU %WX PPSHUN:
SHUKRXURIWKHWRWDOLQSXWRIDOOHTXLSPHQWLQWKHHQFORVXUH
Figure 10. (TXLSPHQWLQ&RQ¿QHG6SDFH
(Inlet Air from Ventilated Crawl Space and Outlet Air
to Outside)
Shipping Bolt Removal
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ZLWK WKUHH ÀH[LEOH OHJV DQG RQH ULJLG OHJ 7KH ULJLG OHJ
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Figure 11.
8QLWVZLWK+3+3
%ORZHU0RWRU
Installation
Setting Equipment
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507768-02BPage 10 of 56 Issue 1904
Figure 12. Setting Equipment
7LOWWKHXQLWVOLJKWO\0D[´IURPEDFNWRIURQWWRDLGLQWKHGUDLQLQJRIWKHKHDWH[FKDQJHU
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Figure 13. Installation Clearances
8SÀRZ$SSOLFDWLRQV
Top
Bottom (Floor)
Left Side Right Side
Top/Plenum 1 in. (25 mm)
*Front 0
Back 0
Sides 0†
Vent 0
Floor 0‡
*Front clearance in alcove installation must be 24 in. (610 mm).
Maintain a minimum of 24 in. (610 mm) for front service access.
†Allow proper clearances to accommodate condensate trap.
‡For installations on a combustible oor, do not install the furnace directly
on carpeting, tile or other combustible materials other than wood
ooring.
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507768-02B Page 11 of 56Issue 1904
Return Air Guidelines
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DQRSWLRQDO,$4DFFHVVRU\WDOOHUWKDQ´6HH)LJXUH
Figure 14. Side Return Air
(with Transition and Filter)
Figure 15. Optional Return Air Base
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507768-02BPage 12 of 56 Issue 1904
Figure 16. Removing the Bottom Panel
Removing the Bottom Panel
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WKHERWWRPFDS6HH)LJXUH
Horizontal Applications
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Figure 17.
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Figure 18. Installation Clearances
Horizontal Applications
dnEthgiRdnEtfeL
Right−Hand Discharge
Left−Hand Discharge
Top
Bottom (Floor)**
Bottom (Floor)**
dnEthgiRdnEtfeL
Air
Flow
Air
Flow
Air
Flow
Air
Flow
Top 0
Front* 0
Back 0
Ends 0
Vent 0
Floor 0‡
* Front clearance in alcove installation must be 24 in. (610 mm).
Maintain a minimum of 24 in. (610 mm) for front service access.
**An 8" service clearance must be maintained below the unit to provide
for servicing of the condensate trap.
‡For installations on a combustible oor, do not install the furnace directly
on carpeting, tile or other combustible materials other than wood
ooring.
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Á)RULQVWDOODWLRQVRQDFRPEXVWLEOHÀRRUGRQRWLQVWDOO
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PDWHULDOVRWKHUWKDQZRRGÀRRULQJ
Suspended Installation of Horizontal Unit
7KLVIXUQDFHPD\EHLQVWDOOHGLQHLWKHUDQDWWLFRUDFUDZO
VSDFH(LWKHUVXVSHQGWKHIXUQDFHIURPURRIUDIWHUVRUÀRRU
MRLVWVDVVKRZQLQ )LJXUH  RU LQVWDOO WKH IXUQDFH RQ D
SODWIRUPDVVKRZQLQ)LJXUH$KRUL]RQWDOVXVSHQVLRQ
NLW:PD\ EH RUGHUHG IURP \RXU GLVWULEXWRU RU XVH
HTXLYDOHQW
Figure 19. Typical Horizontal Application

507768-02B Page 13 of 56Issue 1904
NOTE: +HDY\JDXJHVKHHWPHWDOVWUDSVPD\ EH XVHG WR
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VWUDSV DUH XVHG WR VXVSHQG WKH XQLW LQ WKLV ZD\ VXSSRUW
PXVWEHSURYLGHGIRUERWKWKHHQGV7KHVWUDSVPXVWQRW
LQWHUIHUHZLWKWKHSOHQXPRUH[KDXVWSLSLQJLQVWDOODWLRQ
&RROLQJFRLOVDQGVXSSO\DQGUHWXUQDLUSOHQXPVPXVWEH
VXSSRUWHGVHSDUDWHO\
NOTE: :KHQWKHIXUQDFHLVLQVWDOOHGRQDSODWIRUPRUZLWK
WKHKRUL]RQWDOVXVSHQVLRQNLWLQDFUDZOVSDFHLWPXVWEH
HOHYDWHG HQRXJK WR DYRLG ZDWHU GDPDJH DFFRPPRGDWH
GUDLQWUDSDQGWRDOORZWKHHYDSRUDWRUFRLOWRGUDLQ
Platform Installation of Horizontal Unit
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 &RQVWUXFW D UDLVHG ZRRGHQ IUDPH DQG FRYHU IUDPH
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VSDFHIDEULFDWHDQDX[LOLDU\GUDLQSDQWREHLQVWDOOHG
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FRQGHQVDWHWUDS
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LQVWDOOLQJWKHXQLWLQD FUDZO VSDFHDSURSHUVXSSRUW
SODWIRUPPD\EHFUHDWHGXVLQJFHPHQWEORFNV
 5RXWHDX[LOLDU\GUDLQOLQHVRWKDWZDWHUGUDLQLQJIURP
WKLVRXWOHWZLOOEHHDVLO\QRWLFHGE\WKHKRPHRZQHU
 ,IQHFHVVDU\UXQWKHFRQGHQVDWHOLQHLQWRDFRQGHQVDWH
SXPS WR PHHW GUDLQ OLQH VORSH UHTXLUHPHQWV 7KH
SXPSPXVWEHUDWHGIRUXVHZLWKFRQGHQVLQJIXUQDFHV
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Figure 20.
Return Air - Horizontal Applications
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LV HTXLSSHG ZLWK D UHPRYDEOH ERWWRP SDQHO WR IDFLOLWDWH
LQVWDOODWLRQ6HH)LJXUH
Filters
7KLVXQLWLVQRWHTXLSSHGZLWKD¿OWHURUUDFN$¿HOGSURYLGHG
¿OWHULVUHTXLUHGIRUWKHXQLWWRRSHUDWHSURSHUO\7DEOHOLVWV
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$¿OWHUPXVWEHLQSODFHZKHQHYHUWKHXQLWLVRSHUDWLQJ
Table 1.
Furnace Cabinet
Width
Filter Size
Side Return Bottom Return
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[[
[[
´ [[
Duct System
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VXSSO\DQGUHWXUQDLUGXFWV\VWHP7KLVZLOOUHVXOWLQDTXLHW
DQGORZVWDWLFV\VWHPWKDWKDVXQLIRUPDLUGLVWULEXWLRQ
NOTE: 7KLVIXUQDFHLVQRWFHUWL¿HGIRURSHUDWLRQLQKHDWLQJ
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Supply Air Plenum
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DFFHVVSDQHOVKRXOGEHLQVWDOOHGLQWKHVXSSO\DLUGXFW7KH
DFFHVVSDQHOVKRXOGEHODUJHHQRXJKWRSHUPLWLQVSHFWLRQ
E\UHÀHFWHGOLJKWRIWKHKHDWH[FKDQJHUIRUOHDNVDIWHUWKH
IXUQDFHLVLQVWDOOHG7KHIXUQDFHDFFHVVSDQHOPXVWDOZD\V
EHLQSODFHZKHQWKHIXUQDFHLVRSHUDWLQJDQGLWPXVWQRW
DOORZOHDNVLQWRWKHVXSSO\DLUGXFWV\VWHP
Return Air Plenum
NOTE: 5HWXUQDLUPXVWQRWEHGUDZQIURPDURRPZKHUH
WKLVIXUQDFHRUDQ\RWKHUJDVIXHOHGDSSOLDQFHLHZDWHU
KHDWHURUFDUERQPRQR[LGHSURGXFLQJGHYLFHLHZRRG
¿UHSODFHLVLQVWDOOHG
:KHQUHWXUQDLULVGUDZQIURPDURRPDQHJDWLYHSUHVVXUH
LVFUHDWHGLQ WKH URRP,IDJDV DSSOLDQFHLVRSHUDWLQJLQ
DURRPZLWK QHJDWLYH SUHVVXUH WKH ÀXH SURGXFWV FDQ EH
SXOOHG EDFN GRZQ WKH YHQW SLSH DQG LQWR WKH URRP 7KLV
UHYHUVH ÀRZ RI WKH ÀXH JDV PD\ UHVXOW LQ LQFRPSOHWH
FRPEXVWLRQ DQG WKH IRUPDWLRQ RI FDUERQ PRQR[LGH JDV
7KLV UDZ JDV RU WR[LF IXPHV PLJKW WKHQ EH GLVWULEXWHG
WKURXJKRXWWKHKRXVHE\WKHIXUQDFHGXFWV\VWHP
5HWXUQDLUFDQEHEURXJKWLQWKURXJKWKHERWWRPRUHLWKHU
VLGHRIWKHIXUQDFH,ID IXUQDFH ZLWK ERWWRP UHWXUQ DLULV
LQVWDOOHGRQDSODWIRUPPDNHDQDLUWLJKWVHDOEHWZHHQWKH
ERWWRPRIWKHIXUQDFHDQGWKHSODWIRUPWRHQVXUHWKDWWKH

507768-02B3DJHRI Issue 1904
XQLW RSHUDWHV SURSHUO\ DQG VDIHO\ 8VH ¿EHUJODVV VHDOLQJ
VWULSVFDXONLQJRUHTXLYDOHQWVHDOLQJPHWKRGEHWZHHQWKH
SOHQXPDQGWKHIXUQDFHFDELQHW WRHQVXUHDWLJKWVHDO,I
D ¿OWHU LV LQVWDOOHG VL]H WKH UHWXUQ DLU GXFW WR ¿W WKH ¿OWHU
IUDPH
3LSH)LWWLQJV6SHFL¿FDWLRQV
$OOSLSH¿WWLQJVSULPHUDQGVROYHQWFHPHQWPXVWFRQIRUP
ZLWK$PHULFDQ1DWLRQDO6WDQGDUG,QVWLWXWHDQGWKH$PHULFDQ
6RFLHW\IRU7HVWLQJDQG0DWHULDOV$16,$670VWDQGDUGV
7KH VROYHQW VKDOO EH IUHH ÀRZLQJ DQG FRQWDLQ QR OXPSV
XQGLVVROYHGSDUWLFOHVRUDQ\IRUHLJQPDWWHUWKDWDGYHUVHO\
DIIHFWV WKH MRLQW VWUHQJWK RU FKHPLFDO UHVLVWDQFH RI WKH
FHPHQW7KHFHPHQWVKDOOVKRZQRJHODWLRQVWUDWL¿FDWLRQ
RUVHSDUDWLRQWKDWFDQQRWEHUHPRYHGE\VWLUULQJ5HIHUWR
7DEOHIRUDSSURYHGSLSLQJDQG¿WWLQJPDWHULDOV
6ROYHQWFHPHQWVIRUSODVWLFSLSHDUHÀDPPDEOHOLTXLGV
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CAUTION
%*8+(H[KDXVWDQGLQWDNHFRQQHFWLRQVDUHPDGH
RI 39& 8VH 39& SULPHU DQG VROYHQW FHPHQW ZKHQ
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WUDQVLWLRQDOVROYHQWFHPHQWWRPDNHFRQQHFWLRQVWRWKH
39&¿WWLQJLQWKHXQLW
IMPORTANT
8VH 39& SULPHU DQG VROYHQW FHPHQW RU $%6 VROYHQW
FHPHQW PHHWLQJ $670 VSHFL¿FDWLRQV UHIHU WR 7DEOH 
$V DQ DOWHUQDWH XVH DOO SXUSRVH FHPHQW WR ERQG $%6
39&RU&39&SLSHZKHQXVLQJ¿WWLQJVDQGSLSHPDGHRI
WKH VDPH PDWHULDOV 8VH WUDQVLWLRQ VROYHQW FHPHQW ZKHQ
ERQGLQJ$%6WRHLWKHU39&RU&39&
/RZWHPSHUDWXUHVROYHQWFHPHQWLVUHFRPPHQGHGGXULQJ
FRROHUZHDWKHU0HWDORUSODVWLFVWUDSSLQJPD\EHXVHGIRU
YHQWSLSH KDQJHUV8QLIRUPO\DSSO\DOLEHUDO FRDWRI39&
SULPHUIRU39&RUXVHDFOHDQGU\FORWKIRU$%6WRFOHDQ
LQVLGH VRFNHW VXUIDFH RI ¿WWLQJ DQG PDOH HQG RI SLSH WR
GHSWKRI¿WWLQJVRFNHW
Canadian Applications Only
3LSH ¿WWLQJV SULPHU DQG VROYHQW FHPHQW XVHG WR YHQW
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VXSSOLHGE\DVLQJOHPDQXIDFWXUHUDVSDUWRIDQDSSURYHG
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&HPHQW WR ERQG WKH SLSH WR WKH ÀXH FROODU RU WR ERQG
WKHHOERZRUUHGXFLQJHOERZWRWKHÀXHFROODU,Q
DGGLWLRQWKH¿UVWWKUHHIHHWRIYHQWSLSHIURPWKHIXUQDFH
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Table 2.
3LSLQJDQG)LWWLQJV6SHFL¿FDWLRQV
6FKHGXOH39&3LSH '
6FKHGXOH39&&HOOXODU&RUH3LSH F891
6FKHGXOH39&)LWWLQJV '
6FKHGXOH&39&3LSH )
6FKHGXOH&39&)LWWLQJV )
6'539&RU6'539&3LSH '
6'5&39&RU6'5&39&3LSH )
6FKHGXOH$%6&HOOXODU&RUH':9
(Pipe) F628
6FKHGXOH$%63LSH '
6FKHGXOH$%6)LWWLQJV '
$%6':9'UDLQ:DVWH9HQW
3LSH)LWWLQJV '
39&':9'UDLQ:DVWH9HQW
3LSH)LWWLQJV '
PRIMER & SOLVENT CEMENT ASTM
SPECIFICATION
39&&39&3ULPHU F656
39&6ROYHQW&HPHQW '
&39&6ROYHQW&HPHQW )
$%66ROYHQW&HPHQW '
39&&39&$%6$OO3XUSRVH&HPHQW)RU
)LWWLQJV3LSHRIWKHVDPHPDWHULDO
''
)
$%6WR39&RU&39&7UDQVLWLRQ6ROYHQW
&HPHQW '
CANADA PIPE & FITTING & SOLVENT
CEMENT MARKING
39&&39&3LSHDQG)LWWLQJV
ULCS63639&&39&6ROYHQW&HPHQW
$%6WR39&RU&39&7UDQVLWLRQ&HPHQW
POLYPROPYLENE VENTING SYSTEM
ULC-S636
3RO\3URE\'XUDYHQW
,QQR)OXHE\&HQWURWKHUP ULC-S636
(&&23RO\SURS\OHQH9HQWTM ULC-S636

507768-02B Page 15 of 56Issue 1904
Table 3. Outdoor Termination Kits Usage
Capacity
VENT
PIPE DIA.
(in.)
STANDARD CONCENTRIC
Outdoor
Exhaust
Accelerator
(Dia. X Length)
Outdoor
Exhaust
Accelerator
(Dia. X Length)
Flush Mount
Kit

Concentric Kit
&RQFHQWULF
Kit
&RQFHQWULF
Kit
[ [ 51W11**
71M80
OR
+44W92++
69M29
OR
+44W92++
60L46
OR
44W93+

2<(6 <(6 <(6
 <(6 <(6 <(6
3<(6 <(6 <(6
070
2<(6 <(6 <(6
 <(6 <(6 <(6
3<(6 <(6 <(6
090
2<(6 <(6 <(6 <(6
 <(6 <(6 <(6 <(6
3<(6 <(6 <(6 <(6
110
2<(6 <(6 <(6 <(6
 <(6 <(6 <(6 <(6
3<(6 <(6 <(6 <(6
5HTXLUHV¿HOGSURYLGHGHQGLQVWDOOHG´H[KDXVWDFFHOHUDWRU
.LW:LVSURYLGHGZLWKD´DFFHOHUDWRUZKLFKPXVWEHXVHGIRUDOODQGIXUQDFHLQVWDOODWLRQV
7HUPLQDWLRQNLWV::*-DSSURYHGIRUXVHLQ&DQDGLDQLQVWDOODWLRQVWRPHHW&6$%
7KH:&RQFHQWULFNLWLVSURYLGHGZLWKD´DFFHOHUDWRUZKLFKPXVWEHLQVWDOOHGRQWKHH[KDXVWRXWOHWZKHQWKLVNLWLVXVHG
ZLWKWKHDQGIXUQDFHV
Joint Cementing Procedure
$OO FHPHQWLQJ RI MRLQWV VKRXOG EH GRQH DFFRUGLQJ WR WKH
VSHFL¿FDWLRQVRXWOLQHGLQ$670'
NOTE: $ VKHHW PHWDO VFUHZ PD\ EH XVHG WR VHFXUH WKH
LQWDNHSLSHWRWKHFRQQHFWRULIGHVLUHG8VHDGULOORUVHOI
WDSSLQJVFUHZWRPDNHDSLORWKROH
DANGER OF EXPLOSION!
)XPHVIURP39&JOXHPD\LJQLWHGXULQJV\VWHPFKHFN
$OORZIXPHVWRGLVVLSDWH IRU DWOHDVWPLQXWHVEHIRUH
SODFLQJXQLWLQWRRSHUDWLRQ
DANGER
 0HDVXUHDQGFXWYHQWSLSHWRGHVLUHGOHQJWK
 'HEXUDQGFKDPIHUHQGRISLSHUHPRYLQJDQ\ULGJHV
RUURXJKHGJHV,IHQGLVQRWFKDPIHUHGHGJHRISLSH
PD\UHPRYHFHPHQWIURP¿WWLQJVRFNHWDQGUHVXOWLQD
OHDNLQJMRLQW
 &OHDQDQGGU\VXUIDFHVWREHMRLQHG
 7HVW¿WMRLQWDQGPDUNGHSWKRI¿WWLQJRQRXWVLGHRISLSH
 8QLIRUPO\DSSO\DOLEHUDOFRDWRI39&SULPHUIRU39&
RUXVHDFOHDQGU\FORWKIRU$%6WRFOHDQLQVLGHVRFNHW
VXUIDFHRI¿WWLQJDQGPDOHHQGRISLSHWRGHSWKRI¿WWLQJ
VRFNHW
NOTE: 7LPH LV FULWLFDO DW WKLV VWDJH 'R QRW DOORZ
SULPHUWRGU\EHIRUHDSSO\LQJFHPHQW
 3URPSWO\ DSSO\ VROYHQW FHPHQW WR HQG RI SLSH DQG
LQVLGH VRFNHW VXUIDFH RI ¿WWLQJ &HPHQW VKRXOG EH
DSSOLHGOLJKWO\ EXWXQLIRUPO\WRLQVLGHRIVRFNHW7DNH
FDUH WR NHHS H[FHVV FHPHQW RXW RI VRFNHW $SSO\
VHFRQGFRDWWRHQGRISLSH
 ,PPHGLDWHO\DIWHUDSSO\LQJODVWFRDWRIFHPHQWWRSLSH
DQGZKLOHERWKLQVLGHVRFNHWVXUIDFHDQGHQGRISLSH
DUHZHWZLWKFHPHQWIRUFHIXOO\LQVHUWHQGRISLSHLQWR
VRFNHW XQWLO LW ERWWRPV RXW 7XUQ 39& SLSH  WXUQ
GXULQJDVVHPEO\EXWQRWDIWHUSLSHLVIXOO\LQVHUWHGWR
GLVWULEXWHFHPHQWHYHQO\'RQRWWXUQ$%6RUFHOOXODU
FRUHSLSH

507768-02BPage 16 of 56 Issue 1904
NOTE: $VVHPEO\VKRXOGEHFRPSOHWHGZLWKLQVHFRQGV
DIWHUODVWDSSOLFDWLRQRIFHPHQW+DPPHUEORZVVKRXOGQRW
EHXVHGZKHQLQVHUWLQJSLSH
 $IWHUDVVHPEO\ZLSHH[FHVVFHPHQWIURPSLSHDWHQG
RI¿WWLQJVRFNHW$SURSHUO\PDGHMRLQWZLOOVKRZDEHDG
DURXQG LWV HQWLUH SHULPHWHU $Q\ JDSV PD\ LQGLFDWH
DQ LPSURSHU GHIHFWLYH DVVHPEO\ GXH WR LQVXI¿FLHQW
VROYHQW
 +DQGOHMRLQWVFDUHIXOO\XQWLOFRPSOHWHO\VHW
Venting Practices
Figure 21.
Removal of the Furnace from Common Vent
,Q WKH HYHQW WKDW DQ H[LVWLQJ IXUQDFH LV UHPRYHG IURP
D YHQWLQJ V\VWHP FRPPRQO\ UXQ ZLWK VHSDUDWH JDV
DSSOLDQFHVWKHYHQWLQJV\VWHPLVOLNHO\WREHWRRODUJHWR
SURSHUO\YHQWWKHUHPDLQLQJDWWDFKHGDSSOLDQFHV
&RQGXFWWKHIROORZLQJWHVWZKLOHHDFKDSSOLDQFHLVRSHUDWLQJ
DQGWKHRWKHUDSSOLDQFHVZKLFKDUHQRWRSHUDWLQJUHPDLQ
FRQQHFWHGWRWKH FRPPRQ YHQWLQJ V\VWHP ,I WKH YHQWLQJ
V\VWHPKDVEHHQLQVWDOOHGLPSURSHUO\\RXPXVWFRUUHFWWKH
V\VWHP DV LQGLFDWHG LQ WKH JHQHUDO YHQWLQJ UHTXLUHPHQWV
VHFWLRQ
CARBON MONOXIDE POISONING HAZARD
)DLOXUH WR IROORZ WKH VWHSV RXWOLQHG EHORZ IRU HDFK
DSSOLDQFH FRQQHFWHG WR WKH YHQWLQJ V\VWHP EHLQJ
SODFHGLQWR RSHUDWLRQFRXOGUHVXOWLQFDUERQ PRQR[LGH
SRLVRQLQJRUGHDWK
7KHIROORZLQJVWHSVVKDOOEHIROORZHGIRUHDFKDSSOLDQFH
FRQQHFWHG WR WKH YHQWLQJ V\VWHP EHLQJ SODFHG LQWR
RSHUDWLRQZKLOHDOORWKHUDSSOLDQFHVFRQQHFWHGWRWKH
YHQWLQJV\VWHPDUHQRWLQRSHUDWLRQ
WARNING
 6HDO DQ\ XQXVHG RSHQLQJV LQ WKH FRPPRQ YHQWLQJ
V\VWHP
 ,QVSHFW WKH YHQWLQJ V\VWHP IRU SURSHU VL]H DQG
KRUL]RQWDOSLWFK'HWHUPLQHWKDWWKHUHLVQREORFNDJH
UHVWULFWLRQ OHDNDJH FRUURVLRQ RU RWKHU GH¿FLHQFLHV
ZKLFKFRXOGFDXVHDQXQVDIHFRQGLWLRQ
 &ORVH DOO EXLOGLQJ GRRUV DQG ZLQGRZV DQG DOO GRRUV
EHWZHHQWKHVSDFHLQZKLFKWKHDSSOLDQFHVUHPDLQLQJ
FRQQHFWHGWRWKHFRPPRQYHQWLQJV\VWHPDUHORFDWHG
DQG RWKHU VSDFHV RI WKH EXLOGLQJ 7XUQ 21 FORWKHV
GU\HUV DQG DQ\ DSSOLDQFHV QRW FRQQHFWHG WR WKH
FRPPRQYHQWLQJV\VWHP7XUQ21DQ\H[KDXVWIDQV
VXFKDVUDQJHKRRGVDQGEDWKURRPH[KDXVWVVRWKH\
ZLOO RSHUDWH DW PD[LPXP VSHHG 'R QRW RSHUDWH D
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 )ROORZWKHOLJKWLQJLQVWUXFWLRQV7XUQ21WKHDSSOLDQFH
WKDWLVEHLQJLQVSHFWHG$GMXVWWKHWKHUPRVWDWVRWKDW
WKHDSSOLDQFHRSHUDWHVFRQWLQXRXVO\
 $IWHUWKHPDLQEXUQHUKDVRSHUDWHGIRUPLQXWHVWHVW
IRUOHDNVRIÀXHJDVHVDWWKHGUDIWKRRGUHOLHIRSHQLQJ
8VHWKHÀDPHRIDPDWFKRUFDQGOH
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WKHFRPPRQYHQWLQJV\VWHPLVYHQWLQJSURSHUO\VWHS
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GDPSHUV DQG DQ\ RWKHU JDV EXUQLQJ DSSOLDQFHV WR
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SUHFHGLQJWHVWVWKHFRPPRQYHQWLQJV\VWHPPXVWEH
PRGL¿HGWRFRUUHFWWKHSUREOHPV
5HVL]HWKHFRPPRQYHQWLQJV\VWHPWRWKHPLQLPXPYHQW
SLSH VL]H GHWHUPLQHG E\ XVLQJ WKH DSSURSULDWH WDEOHV LQ
$SSHQGL[ * 7KHVH DUH LQ WKH FXUUHQW VWDQGDUGV RI WKH
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507768-02B Page 17 of 56Issue 1904
Figure 22.
CHIMNEY
OR GAS
VENT
(Check sizing
for remaining
appliance)
FURNACE
(Removed from
from common
vent system)
WATER
HEATER
OPENINGS
(To Adjacent
Room)
If this gas furnace replaces a furnace which
was commonly vented with another gas appliance,
the size of the existing vent pipe for that gas
appliance must be checked. Without the heat of the
original furnace flue products, the existing vent pipe
is probably oversized for the single water heater or
other appliance. The vent should be checked for
proper draw with the remaining appliance.
REPLACING FURNACE THAT
WAS PART OF A COMMON
VENT SYSTEM
Exhaust Piping
6HH)LJXUHDQG)LJXUH
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KROHPXVWEHODUJH HQRXJK WR DOORZFOHDUDQFHRQDOO
VLGHVRISLSHWKURXJKFHQWHURIKROHXVLQJDKDQJHU
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GLVFKDUJHWKURXJKDQH[LVWLQJXQXVHGVWDFNLVUHTXLUHG
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CAUTION
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CAUTION
Vent Piping Guidelines
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NOTE: In non-Direct Vent installations, combustion air is
WDNHQIURPLQGRRUVDQGÀXHJDVHVDUHGLVFKDUJHGRXWGRRUV
In Direct Vent installations, combustion air is taken from
RXWGRRUVDQGÀXHJDVHVDUHGLVFKDUJHGRXWGRRUV
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NOTE: 7KH H[KDXVW FROODU RQ DOO PRGHOV LV VL]HG WR
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Figure 23.

507768-02BPage 18 of 56 Issue 1904
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IMPORTANT
Table 4. Minimum Vent Pipe Lengths
Capacity Min. Vent Length*
 IWRUIWSOXVHOERZVRU
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OHQJWKOLVWHG
Figure 24.
045, 070,
090, 110
Standard or
Concentric?
See Table 3
Intake or
Exhaust?
2”, 2-1/2”
or 3”
Furnace capacity?
1
Which termination?
2
Which needs most
elbows?
3
How many?
4
Desired pipe size?
5
What is the altitude?
6
Use Table 5 to find
max pipe length.
7

507768-02B Page 19 of 56Issue 1904
BG961UHE Maximum Allowable Intake or Exhaust Vent Length in Feet
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Number of
90° Elbows
Used
2” Pipe 3LSH 3LSH
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1 76 61 39 19 110 95 63 38 132 132 113 113
27156  105 90 58 33 127 127 108 108
3 66 51 29 9 100 85 53 28 122 122 103 103
61  
QD
95 80  23 117 117 98 98
556 19 90 75  18 112 112 93 93
65136 85 70 38 13 107 107 88 88
7 31 9 80 65 33 8 102 102 83 83
8 26
QD
75 60 28
QD
97 97 78 78
9 3621 705523 92927373
10 31 16 65 50 18 87 87 68 68
6WDQGDUG7HUPLQDWLRQDW(OHYDWLRQIW
Number of
90° Elbows
Used
2” Pipe 3LSH 3LSH
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1766139
QD
110 95 63 38 132 132 113 113
27156 105 90 58 33 127 127 108 108
3 66 51 29 100 85 53 28 122 122 103 103
61   95 80  23 117 117 98 98
556 19 90 75  18 112 112 93 93
65136 85 70 38 13 107 107 88 88
7 31 9 80 65 33 8 102 102 83 83
8 26
QD
75 60 28
QD
97 97 78 78
9 3621 705523 92927373
10 31 16 65 50 18 87 87 68 68
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([KDXVWPXVWEHVDPHSLSHVL]H
Table 5A.

507768-02BPage 20 of 56 Issue 1904
BG961UHE Maximum Allowable Intake or Exhaust Vent Length in Feet
&RQFHQWULF7HUPLQDWLRQDW(OHYDWLRQIW
Number of
90° Elbows
Used
2” Pipe 3LSH 3LSH
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1 68 53 37 17 100 85 59  116 116 109 109
263 32 12 95 80  29 111 111  
358 27 7 90 75   106 106 99 99
53 38 22
QD
85 70  19 101 101  
5 33 17 80 65 39  96 96 89 89
6 28 12 75 60 
QD
91 91  
7 38 23 7 70 55 29 86 86 79 79
83318
QD
65 50  81 81  
92813 60 19 76 76 69 69
10 23 8 55   71 71  
&RQFHQWULF7HUPLQDWLRQ(OHYDWLRQIW
Number of
90° Elbows
Used
2” Pipe 3LSH 3LSH
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1685337
QD
100 85 59  116 116 109 109
263 32 95 80  29 111 111  
358 27 90 75   106 106 99 99
53 38 22 85 70  19 101 101  
5 33 17 80 65 39  96 96 89 89
6 28 12 75 60 
QD
91 91  
7 38 23 7 70 55 29 86 86 79 79
83318
QD
65 50  81 81  
92813 60 19 76 76 69 69
10 23 8 55   71 71  
6L]HLQWDNHDQGH[KDXVWSLSHOHQJWKVHSDUDWHO\9DOXHVLQWDEOHDUHIRU,QWDNH25([KDXVWQRWFRPELQHGWRWDO%RWK,QWDNHDQG
([KDXVWPXVWEHVDPHSLSHVL]H
Table 5B.