Instructions / Assembly

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T
he!ducting!from!this!fan!to!the!outside!of!the!building!has!a!strong!effect!on!the!airflow,!noise!and!energy-
use!of!the!fan.!Use!the!shortest,!straightest!duct!routing!possible!for!best!performance!and!avoid!installing!the!
fan!with!smaller!ducts!than!specified!in!this!manual.!Insulation!around!the!ducts!can!reduce!energy!loss!and!
inhibit!mold!growth.!Fans!installed!with!existing!ducts!may!not!achieve!their!rated!airflow.!Do!not!install!the!
ventilation!fan!in!areas!where!the!ductwork!will!require!configurations!as!shown!in!Fig.!1!below.!
!
!
!
Recommended!installation!includes!insulating!around!ductwork!and!the!fan!housing!to!minimize!heat!loss!(see!
Fig.!2!above).!Seal!all!gaps!around!the!housing!with!caulk!or!other!similar!material!to!inhibit!air!leakage!to!the!
exterior!of!the!thermal!envelope!of!the!building.!Rigid!sheet!metal!duct!and!the!shortest!path!to!the!outside!
will!minimize!static!pressure!losses!and!promote!adequate!air!flow.!
! !
S
ufficient
a
ir
su
pply
i
s
r
equired
f
or
p
roper
co
mbustion
a
nd
t
he
e
xhausting
o
f
g
ases
t
hrough
t
he
ch
imney(flue) of fuel
burning
equipment to prevent back –drafting .See the standards of NFPA
(National Fire Protection Association ) and
ASHRAE(American Society for Heating Refrigeration
and Air Conditioning Engineers) and the local building code authorities.
CAUTION: To reduce risk of fire and to properly exhaust air, be sure to duct air outside-Do not vent exhaust air into spaces
within walls or ceilings or into attics,crawl spaces,or garages.The marking shall be visible during installation.
4
! !
SPEC
IFICATIONS&
!I57G(1IW( 0D8(TP!( O( SJ( #BEM(#D3N7M78( 1ID:7(@&I47:H(
BPT14-24AL-11
!
!! !
110!CFM! 120! 60! 4!in.!(10!cm)! 1.5!
DI
MENSIONS&
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Gri
lle!
Dimension!!
8!i
n.!
(20.3!cm)!
9!¼!in.!x!9!¼!in.!
(23.5!cm!x!23.5!cm)!
9!in.!x!9!in.!
(23!cm!x!23!cm)!
7!
11
/
16
!in.!
(19.5!cm)!
15
!5
/
16
!in!
(39!cm)!
!
!