Nordyne CMF95 Series Installation Instructions

14
MA-100UniversalBaseInstallation
TheMA-100baseisdesignedprimarilyforreplacement
installation of the CMF95 series furnace where the
manufactured home duct system may be too small or
restrictiveforproperairow.TheMA-100baseprovides
approximately4inchesofadditionalplenumspacebefore
thedischargeairenterstheductsystem.SeeFigure10.
1.Usingtheuniversalbaseasaguide,locateandmark
the12-1/8”x12-1/8”openingfortheFeederDuct.
2.Cutall4sidesoftheFeederDuctopening1”largerthan
thedrawncutout.NOTE:Cuttingtheopeningto14-1/8”
x14-1/8”willallowthefourangesontheundersideof
thepaneltotintotheopening.
3.Drilla1”diameterholeforthegaslinethroughtheoor
andbottomboardtotheoutside.NOTE:Fuellinesare
notsuppliedwiththefurnace.Theyshouldbeinstalled
tocomplywithallapplicablecodes.
4.Settheuniversalbaseinplace.Droptransitionoroffset
feederduct(Figure8)upsidedownthroughtheoor
openingandcenterthetopofthefeederductin14-1/8”
x14-1/8”ooropening.
5.Usingthefeederductasaguide,markandcuta12”x
12”openinginthesupplyduct.Removethebaseand
transition feeder duct; then cut the opening into the
distributionduct.
6.Insert the feeder tabs into the main duct and bend
themoveruntilthemainductedgesaretrappedtightly
betweenangesandtabs.NOTE:Metaltapemaybe
usedtoensureanairtightconnection.
7.Setthe bottombasepaneloverthe feederduct. Slit
thecornersofthefeederductdowntothetopofthe
base.Whilethetopofthedistributionductispulledup
withonehand,benddowneachsideofthefeederduct
Figure10.MA-100UniversalBase,BottomPanel
12 1/8
Feeder Duct
Opening
18 1/4
24 1/2
12 1/8
FRONT
Combustion Air
Knock-outs
(7-1/4” X 2-1/4”)
Figure7.MA-200BasePan
FRONT
Feeder Duct
Opening
Flue
Location
24 1/8
8 3/8
12 1/8
12 1/8
9 1/8
18 1/4
Figure 8. Transition Duct
Heater Duct Below Joists
Flange
Bend
Over Tabs
Base
Floor
Joists
Slit 4 Corners
Bend Down 4 Sides
TRANSITION
DUCT
Figure 9. Feeder Duct Installation
Heat Duct Below Joists
Base
Feeder Duct
Floor
Joists
Cut This Line
Bend Over
Along This Line
1"

Nordyne CMF95 Series Specifications

General

Brand	Nordyne
Model	CMF95 Series
Category	Furnace
Language	English