ICP H9MPX - Page 31

MultiVentTerminationClearances
When two (2) or more furnaces are vented near each other, each
furnace must be individually vented.
Two (2) vent terminations may be installed as shown in Figure 26,
Figure 27, Figure 28, Figure 29, Figure 30 and Figure 24, but
the next vent termination must be at least 36" (914.4mm) away
from first two terminations. It is important that vent terminations be
made as shown to avoid recirculation of flue gases.
;:;ii _(
Concentric Vent and Combustion-
Air Roof Termination
_2" (50.8mm) Max 36" Min
'in. Gradeor t _-- /_ - _ --J36"Min-_
i[i}[ J Ji] }
Concentric Vent and Combustion-
Air Sidewall Termination
_ - .... J- ...... jj .....
JJJ "_ll "---J ....
................ _-... 1" (25.4mm) .......
/J J- .....
CombustionAir ....... Maximum _.__----.............
.................... ..................................
........... \r ,_ '__._.xj_.<,-r L ........
.......... ----_--r-\_F?:;:_-_--.i........'
...............j /_l ...._, .....
Vent 25-22-02d
Dimension "A" is touching or 2" (503.8mm) maximum separation.
Sidewall Inlet Vent and Exhaust-
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii Air Termination
i-::t-_::-_zt_LJ--Lt--iC]_-:_>_::<-tiJ----l::<-XL_--Lt_-C_-;....
z .j--j_%.<-S_zl_.._--- j Jj..j_ Exnaust.... W/" -.__
S:_--?:b--_-vW->iJ---L_.- ..........._/" _.___ /2+_......
......:>-[;<.-_j>---.,,^,,- ........ ,, : l-_7:-_-_,t/ _\\
...... Inlet _<..-- //_ ......... J {._._ .-
"ili_' i':_- _ \' ........... J8" (203.2mm] Min. -.........
1\ f ' I-jjZ _....... 20' (6.1m)Max.
_ ,, __ __ ,i.- --j j-
..... .---/ 18" (457.2mm) lin. for Cold Climates
12" (304.8mm) Min. - [Sustained 0°F(-17°C) and below for
Grade orSnowLevel 24 hours or moreconsecutivehours]
j.jJJ_
........ Dimension "A" is touching or 2" (50.8mm) maximum separatior
_i_i;:iii_i_ii_i1_!!_i_i¢_i_ii_ii1_i_!i_i!_i_i_i;i_iiii_:
Sidewall Inlet Vent and Exhaust-Air
Termination with Exterior Risers
- 7_L_ 8" (203.2mm)Min. D- /j _1_ 4ii7--
_--_---_- >_ 20' (6lm) Max [_ _ __----_8" (203,2mm)Mm.
:>_ ::_M-_-- .t, I ..... __-_ / / _-_
:_%_W-< 7k-_;;;----i Z ' { ( _L :\ '__---i
:---.:_:-m:::W---_-_-_- F---4 _ '., L f "
1:::__-Exhaust_-,_ i/ +/-- ]_--_ _:-_ -T"_I_ /_ 12" (457.2mm1
/" / /-" _ _ _ _---J -i Jk. j_ Inlet Min.Gradeor
, i_ _:_ _, _,_ / Snow Leve
_---_ _ UI -- 7"_ ,' ' -
), L [ .......i .... I_-m!:A......
1/ f_'_ _ .-J ....................18" (457.2mm)lin. for Cold Climates
\- _--_' / ,,A,;........ [Sustained 0°F(-17°C) and below for
. J _J- 24 hours ormore consecutivehours]
Dimension "A" is touching or 2" (503.8mm) maximum separation.
iiiiiiiiliiiiiilJiiiiiil;;iiiillIliiiiiiiiiiii!ii!iiiii{iiiii:iliiI!!Iii11iliiiii!ii¢illi!i
iliiiii I III!IilI!Rooftop inlet Vent and Exhaust-
Air Termination
_1_',, 8" (203.2mm)Min. ".... ,,____,_ts_
_",,",, 20' (6.1m1 Max. _1 ' ' ..... "
,,,, ...... ,, !-4/_. _ ..........,, _ , .:__
", ",, ]__"-_, "*,:-t-- ._,--'<,," ",__ Exhaust
12" (304.8mm1 ", 'L --_"7-- -. '_--- _,.-;'----}'-, ............;'--"7 .................
Min.Gradeor ',,,, _;.- -'_ X .......... _.......
SnowLeve ',,',,, ....;_...... .--- 18" (457.2mm)Min.for ColdClimates
,,]..... ............ [Sustained0°F(-17°0) and belowfor
/"4........... 24 hoursor moreconsecutivehours]
440 01 1051 03 Specifications are subject to change without notice. 31