Lennox ML180UHE Simple Manual

ML180UHE / Page 9
DIMENSIONS - INCHES (MM) - UPFLOW POSITION
Model No.
A B C D
in. mm in. mm in. mm in. mm
ML180UH045E36A 14-1/2 368 13-3/8 340 13 330 4-3/4 121
ML180UH070E36B
ML180UH090E48B
17-1/2 446 16-3/8 416 16 406 6-1/4 159
ML180UH090E60C
ML180UH110E60C
21 533 19-7/8 504 19-1/2 495 8 203
ML180UH135E60D 24-1/2 622 23-3/8 546 23 584 9-3/4 248
23
(584)
(19)
3/4
(19)
1
Bottom Return
Air Opening
GAS PIPING INLET
(Either Side)
Side Return
Air Opening
(Either Side)
1
Bottom Return
Air Opening
FLUE OUTLET
(Top)
ELECTRICAL INLET
(Either Side)
SUPPLY AIR
OPENING
FRONT VIEW SIDE VIEW
TOP VIEW
A
B
9/16 (14)
C
D
3/4
27-3/4
(705)
19-7/16
(494)
23-1/2
(597)
1-1/2
(38)
9-1/8 (232) Right
8-5/8 (219) Left
5-3/8 (137) Right
1-9/16 (40) Left
33
(838)
3-1/8 (79)
1-15/16 (49)
14
(356)
9/16
(14)
3 (76) Right
6-3/4 (171) Left
2
FLUE OUTLET
(Either Side)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
16
(406)
14-3/4
(375)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
2
Flue outlet may be horizontal but furnace must be
vented vertically
3
Optional External Side Return Air Filter Kit is not for use
with the optional Return Air Base.
1
NOTE - 60C and 60D size units that require air volumes
over 1800 cfm must have one of the following:
1. Single side return air with transition, to accommodate
20 x 25 x 1 in. (508 x 635 x 25 mm) cleanable air
filter. Required to maintain proper air velocity.
2. Single side return air with optional Return Air Base
3. Bottom return air.
4. Return air from both sides.
5. Bottom and
one side return air.
See Blower Performance Tables for additional information.
3-1/4 (83)
5/8
(16)
1
3-1/4
(83)
23-3/4
(603)
25
(635)
3/4(19)
Front Panel
ELECTRICAL
INLET (Either Side)
(Either Side)

Lennox ML180UHE Specifications

General

Brand	Lennox
Model	ML180UHE
Category	Furnace
Language	English