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Electric Disconnect
[] B Install motor bracket on left side. Make sure bracket is
firmly seated(Fig. 6).
Media
Wheel
k._ SmallDiameter
Wire Support.
Large _ PositionMedia
Diameter Wheel Shaft
Wire UnderDimples
Support By Flexing
Outward.
[] C Removemediawheel wire supportsfromreservoir.In-
sert largediameterwiresupportonleft sideof reservoirandsmall
diameterwiresupportonrightsideofreservoir.Placemediawheel
inwire supportswithgear onleftside of reservoir.(Flexwire sup-
portoutwardto capturemediawheelshaftunderdimples.)Fig.7.
Unit is now converted to a left side motor.
installation (onsheet metal plenum duct)
NOTE: Figures 8 & 9 show humidifier installation on supply air
plenum for illustration purposes only. If more convienient,
humidifier may be mounted on return air plenum. If humidifier is
installed on the return air plenum, the flexible hose (round collar
opening) is connected to the supply air plenum.
FIBER PLENUM DUCTS
NOTE: The mounting screws supplied are for standard installa-
tion on _ plenum ducts. Ifyou have fiber plenum ducts,
installthe humidifierand components with thru-bolts,nuts, and
washers (not supplied). If necessary, reinforce the humidifier
mounting area onfiber ducts withsheet metal and provide addi-
tional bracing as required to support the weight ofthe humidifier
and water. (This fiber duct installation hardware is not supplied
and must be pumhased from your local hardware store.)
[] 1Mark a levellineon plenum.Holdstiffeneragainst theple-
numwithbottomedgeonlevelline andflangestowardyou.Mark
the locationof ell holes Includinglarge rectangularopeningin
centeron plenum(Fig.8).
[] 2 Drillor puncha largeholein one cornerof rectangle.
This willallowyouto insertthe tin snipsor metal saw.
CAUTION: BE SURE NOTTO DRILL OR CUT INTO AIR
CONDITIONING COIL OR TUBING.
Drill(5)
118"Holes_
Cut Along
This Line
Mounting
Tabs
"
<-- - Stiffener
Cut Out
This Area - Level
Line
Hole "A"-- ,_ •
I Furnace
Supply
Air
Plenum
[]
Cut out the area inside the rectangle. If any of the edges
are rough, file them smooth.
A
[]
HI" Drill the remaining holes marked on the plenum with a
1/8" drill bit.
[] 5 Mountthe stiffenerwith the flangestowardyou using
the four cornermountingholes.Do not use Hole "A". Make sure
stiffenerisflush withthe plenum.Seal aroundedgewithcaulking
if necessary(Fig.8).
[]
U Hang the humidifier case on the mounting tabs. The
tabs may have to be bent out slightly to mount the case. Secure
the case to the stiffener with a sheet metal screw in hole "A".
I NOTE: It is very important that the case is secured. If the I
case isnot attached with the screw, it could be dropped and
I
damaged during routine maintenance.
[] 7 Position collar at selected location. Mark center open-
ing and (5) holes. Cut out center opening and drill (5) 1/8" holes.
ReturnAir
Plenum
Collar
Location
Hot Air
Plenum
Furnace