Unit Dimensions - Lennox EL180UHN Installation Instructions Manual

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.
Optional External Side Return Air Filter Kit is not for use
2
with the optional Return Air Base.
NOTE - Gas entry is only available on the left side of the
3
cabinet for "A" width cabinet models.
A
B
AIR FLOW
3/4
C
(19)
1
Bottom Return
Air Opening
FRONT VIEW
EL180UHNE Model
040NE36A
14-1/2
060NE36A
080NE48B 17-1/2
100NE60C
9/16 (14)
2
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
33
(838)
14-3/4
(375)
16
(406)
5/8
(16)
3/4
(19)
A
in mm
368 13-3/8
446 16-3/8
21 533 19-7/8
3-1/8 (79)
D
FLUE OUTLET
(Top)
2
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
1-1/2 (38)
Front Panel
9-1/8 (232) Right
8-5/8 (219) Left
5-3/8 (137) Right
2-3/16 (56) Left
3-1/4
(83)
B
in mm
340
416
504 19-1/2
Page 2
³ GAS PIPING INLET
"A" Width Cabinet
(Left Side Only)
SUPPLY AIR
OPENING
23-3/4
(603)
25
(635)
TOP VIEW
27-3/4
(705)
19-7/16
(494)
³ GAS PIPING INLET
"B" and "C" Width Cabinets
(Either Side)
ELECTRICAL INLET
(Either Side)
23
(584)
1 Side Return
Air Opening
(Either Side)
1-15/16 (49)
23-1/2
(597)
1
Bottom Return
Air Opening
SIDE VIEW
C
in mm
13 330 4-3/4
16 406 6-1/4
495
9/16
(14)
1-1/2
(38)
14
(356)
D
in mm
121
159
8 203