Harman PF-120 - 4 Termination Location and Vent Information; Vent Termination Minimum Clearances

Harman® • PF-120 Installation Manual_R1 • 2014 -___ • 03/149
3-90-08121i
4
Termination Location and Vent Information
NOTE: Read and follow all of the vent pipe
manufacturers’ instructions on the proper installation
and support of the vent pipe. Adhere to all clearances.
NOTE: Use only 4” diameter “PL” venting system.
Be sure to inspect and clean exhaust venting system
regularly.
Theminimumventcongurationisa90°orTeeonastarter
collaranda24”lengthhorizontalthroughanexteriorwall.
Acaporotherbirdscreenontheendshoulddirecttheue
gasesdownandawayfromthestructure.Figure4.1.
The maximum horizontal length is 18 feet. The minimum
termination height above the exterior grade is 18”.The
maximumtotallengthofanycongurationis30feet.
NOTE: CleanoutTee’s should always be used on the
transitions to horizontal pipe to allow easy access for
cleaning.
Theventingcongurationgraphallowsfor(one)90°.orTee
ttinginanyconguration.
Ifmore90’s,T’s,or45’sareneededthetotallengthmustbe
adjustedtoallowfortheaddedrestriction.
Uptofour(4)additional90’s,Tee’s,orequivalent45’scanbe
addedaslongastheoveralllengthisadjustedinaccordance
withthevalueslistedbelow.
(See the Venting Conguration Graph under Section B
“LocatingYourAppliance&Chimney”)
EachVertical-----90°orTsubtract2.5feet
EachVertical-----45°subtract1.5feet
EachHorizontal-90°orTsubtract5.0feet
EachHorizontal-45°subtract2.5feet
Any exterior venting (vent pipe exposed to outside
ambient temperatures) should be kept to a minimum,
due to potential condensation problems.
Thisis especially important inhigh humidity cold weather
climates,suchasmaritimeareas,lakeshores,andlowriver
valleys.
DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST
VENTING SYSTEM OF THIS UNIT.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE
SERVING ANOTHER APPLIANCE.
INSTALL VENT WALL PASS-THROUGH AT CLEARANCES
SPECIFIED BY THE VENT MANUFACTURER.
NOTE: All installation clearances and restrictions must
be adhered to.
NOTE: Read and follow all of the vent pipe manufacturers’
instructions on the proper installation and support of the
vent pipe. Adhere to all clearances.
INSTALLATION IS TO BE PERFORMED BY A QUALIFIED
INSTALLER.
36”
4”
4” Type “PL”
Vent Pipe
This is the minimum venting conguration.
NOTE: This would only be allowed with non-combustible walls.
Figure 4.1
A. Vent Termination Minimum Clearances
KEEP COMBUSTIBLE MATERIALS SUCH AS GRASS,
LEAVES, ETC. AT LEAST 3 FEET AWAY FROM THE
POINT DIRECTLY UNDER THE VENT TERMINATION.
(BETWEEN THE VENT AND THE GROUND)
WARNING
!
KEEP COMBUSTIBLES AWAY FROM FLUE OUTLET.
CAUTION
!
WARNING
!
CHIMNEY AND FLUE PIPE MUST BE CLEAN AND IN
GOOD CONDITION.