Mmdb Indoor Unit Dimensions - Lennox MCFA Service Manual

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2.4.

MMDB Indoor Unit Dimensions

FRESH AIR INTAKE
1
3-5/8 (92) Diameter (009 thru 018)
5 (127) Diameter (024 thru 048)
NOTE - Outdoor air enters unit AFTER air filter.
1
A
Size
in.
mm
009 thru 012
27-5/8
702
018
34-5/8
879
024
43-1/4
1099
036
53-1/2
1359
048
47-1/4
1200
J
Size
in.
009 thru 012
6
018
5-3/8
024
6-7/8
036
6-7/8
048
9
MOUNTING
LUGS (4)
MOUNTING
LUGS (4)
D
C
SIDE VIEW
CONVENTIONAL DRAIN
CONNECTION
(Alternate Location)
B
C
in.
mm
in.
7-7/8
200
19-7/8
8-1/4
210
26-1/2
9-3/4
248
30-1/2
9-3/4
249
30-1/2
11-7/8
302
34-3/8
K
mm
in.
mm
152
23-5/8
600
137
30-3/4
781
175
39-3/8
1000
175
49-5/8
1260
229
43-3/8
1102
Figure 5.
MMDB Indoor Ducted Unit Dimensions - Inches (mm)
P
N
TOP VIEW
E
SUPPLY AIR
J
OPENING
H
G
A
FRONT VIEW
OPTIONAL BOTTOM
RETURN AIR OPENING
M
BOTTOM VIEW
RETURN AIR
OPENING
K
REAR VIEW
D
mm
in.
mm
in.
505
17-3/4
451
30-3/4
673
23-5/8
600
37-7/8
775
27-1/2
699
46-1/2
775
27-1/2
699
56-3/4
873
31-1/2
800
50-1/2
L
in.
mm
in.
7-3/8
187
2
7-1/2
191
1-5/8
9
229
1/4
9
229
1/4
11
279
1/4
18
ELECTRICAL
CONTROL
BOX
B
F
LIQUID
PIPE
GAS
PIPE
CONVENTIONAL
DRAIN
CONNECTION
CONDENSATE
PUMP DRAIN
CONNECTION
AIR FILTER
ELECTRICAL
CONTROL
BOX
L
AIR FILTER
E
F
mm
in.
mm
in.
781
5-3/8
137
21-1/8
962
5-1/2
140
27-3/4
1181
5-1/2
140
36-1/2
1441
5-1/2
140
46-3/4
1283
4-7/8
124
41-1/8
M
N
mm
in.
mm
51
29-1/8
740
41
36-1/4
921
6
44-7/8
1140
6
55-1/8
1400
6
48-7/8
1241
G
H
mm
in.
mm
537
1-1/8
29
705
2
51
927
2
51
1187
2
51
1045
2
51
P
in.
mm
14-1/8
359
20
508
23-1/2
597
23-1/2
597
27-1/2
699

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