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Unit Dimensions - inches (mm)
NOTE - 60C size units that require air volumes over
1
1800 cfm must have one of the following:
1. Single side return air and Optional Return Air Base
with transition that must accommodate required
20 x 25 x 1 inch (508 x 635 x 25 mm) air filter to
maintain proper velocity.
2. Bottom return air.
3. Return air from both sides.
4. Bottom and one side return air.
See Blower Performance Tables for additional information.
Flue outlet may be horizontal but furnace must be
2
vented vertically
Optional External Side Return Air Filter Kit is not for use
3
with the optional Return Air Base.
A
B
3/4
C
(19)
1
Bottom Return
Air Opening
FRONT VIEW
ML180UHV
Model
in
030V36A
045V36A
14-1/2
070V36A
070V36B
070V48B
17-1/2
090V48B
110V60C
21
9/16 (14)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
14-3/4
(375)
16
(406)
5/8
(16)
3/4
(19)
A
mm
in
368
13-3/8
446
16-3/8
533
19-7/8
D
FLUE OUTLET
(Top)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
3/4(19)
Front Panel
3 (76) Right
6-3/4 (171) Left
9-1/8 (232) Right
8-5/8 (219) Left
5-3/8 (137) Right
33
2-3/16 (56) Left
(838)
ELECTRICAL
INLET (Either Side)
3-1/4
(83)
B
mm
in
340
13
416
16
504
19-1/2
Page 2
3-1/8 (79)
SUPPLY AIR
OPENING
23-3/4
(603)
25
(635)
TOP VIEW
27-3/4
(705)
3-1/4 (83)
19-7/16
(494)
2
FLUE OUTLET
(Either Side)
ELECTRICAL INLET
(Either Side)
GAS PIPING INLET
(Either Side)
23
(584)
14
1
Side Return
(356)
Air Opening
(Either Side)
1-15/16 (49)
23-1/2
(597)
1
Bottom Return
Air Opening
SIDE VIEW
C
mm
in
330
4-3/4
406
6-1/4
495
8
9/16
(14)
1-1/2
(38)
D
mm
121
159
203
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