Harman PF-120 Installation Manual

Harman® • PF-120 Installation Manual_R1 • 2014 -___ • 03/1420
3-90-08121i
B. Blower Assembly
Installtheblowermountingbracketsontheblowerasshown
inFigure5.8.
1. Install(4)TekscrewsoneachsidewhereshowninFigure
5.8.Startwiththetwocenterscrews.
NOTE:Therearetwosmallholesinthedischargeendofthe
blowerthatmatchthetwocenterholesonthesmallangle
oftheblowerbracket.Thetwo(2)outerholesaredrilledby
theTekscrews.
2. Mountblowerwithbracketsinstalledonthefurnaceas
showninFigure5.9.Eachsidewillrequire6Tekscrews.
MountingScrews
NOTE: These Blower Motors are not designed to be
operated without any positive static back pressure.
OPERATION WITHOUT SUPPLY DUCT WORK OR IN
FREE AIR WILL CAUSE MOTOR OVERLOAD AND
PREMATURE FAILURE.
3. Mountthelterboxonthefurnacewith(6)#10x3/4Tek
screws,3oneachsideFigure5.10.Visuallylocatethese
holessoyouarefamiliarwiththeirlocationonthelter
boxandthefurnace.Accesstothemountingholescan
begainedthroughthebloweraccesspanelcoverandthe
lteropening.Figure5.11.
Note: Twopiecesof2x4stackedlayingatontheoor12
inches from the blower opening will support the lter box
duringinstallation
Figure 5.8
Figure 5.9
Figure 5.10
Figure 5.11
Regardless of the supply air duct size installed, the
DistributionBlowerMotorMUSTbecheckedforrunning
Amperage. Check the motor name plate for the full
loadAMPS.Iftheamperageisrunninghigherthanthat
listed,asupplyairrestrictingdampermayberequired
toincreasethesupplyplenumpositivestaticpressure.
CAUTION
!

Harman PF-120 Specifications

General

Brand	Harman
Model	PF-120
Category	Furnace
Language	English