Sears N9MP1, N9MP2, 9MPD manual Furnace Subbase, Coil Cabinet

ubbases,orCombusF,oorsD,mens,ons.ble

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Subbase

for Combustible

Subbase

for

Combustible

Opening

In Floor

Opening

In Base

Typical

Plenum

Floor

Dimensions

For Plenum

Dimensions

Floors

Part

Number

M

N

P

R

S

T

H*

J_

K**

Furnace

Subbase

NAHHOOISB

1511/16

283/4

149/16

16

161/4

145/8

15

131/2

15

131/2

NAHHOO2SB

195/16

283/4

183/16

16

16114

18114

15

171/8

15

171/8

NAHHOO3SB

225/16

283/4

2113/16

16

161/4

21 t/8

15

193/4

15

193/4

NAHHOIOSB

24J/4

28J/4

23u/16

16]/4

161/4

23b/8

15

221/2

15

221/2

Subbase

for

Coil Cabinets

NAHHOO4SB

15]]/16

20u/16

14u/16

16]/4

161/4

145/8

15

13]/2

15

131/2

NAHHOO5SB

195/16

209/16

183/16

161/4

161/4

181/4

15

171/8

15

171/8

NAHHOO6SB

23

209/16

2113/16

161/4

161/4

21 t/8

15

193/4

15

193/4

NAHHOO9SB

24]]/16

20u/16

23u/16

16

161/4

23_/8

15

22]/2

15

221/2

Outside Dimension

_ Base Spacer Side To Side

3.Set the base over the opening in the floor, centering it over

the opening. Fasten the base to the	floor	with screws or	Coil Cabinet	Subbase
nails. See Figure 37, Figure 38 and	Figure	39.

Furnace Subbase

s

Plenum

Combustible

Floor Base

25-20-46

A - 4 1/4" Minimum clearance from back of hole to wall or other obstruction.

4, Drop the plenum through the opening in the base. The

flange of the plenum should rest on top of the subbase.

5.Position furnace or coil cabinet and furnace on subbase so it aligns between the locating tabs.

Plenum

Combustible

Floor Base

/

i

Wood c o;

This subbase for combustible floors has been designed so that

the height of the subbase raises the downflow coil off the floor to

allow easy installation of the condensate drain. See Figure 40.

44001 111400 [_