Unit Dimensions - Lennox EL280UH070P24A Installation Instructions Manual

Unit Dimensions - inches (mm)
1
NOTE - 60C and 60D size units that require second stage
air volumes over 1800 cfm (850 L/s) 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.
2 Flue outlet may be horizontal but furnace must be
vented vertically
Optional External Side Return Air Filter Kit is not for use
3
with the optional Return Air Base.
A
B
AIR FLOW
3/4
C
(19)
1
Bottom Return
Air Opening
FRONT VIEW
EL280UH Model
in
070P24A
14-1/2
070(X)P36A
090P36A
17-1/2
090(X)P48B
110P48C
21
110(X)P60C
135P60D 24-1/2
9/16 (14)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
33
(838)
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
622 23-3/8
3-1/8 (79)
D
FLUE OUTLET
(Top)
3
OPTIONAL
EXTERNAL
SIDE RETURN
AIR FILTER KIT
(Either Side)
1-1/2 (38)
Front Panel
3-1/4 (83)
3 (76) Right
7 (178) Left
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
mm in
340 13
416 16
504 19-1/2
546 23
Page 2
SUPPLY AIR
OPENING
23-3/4
(603)
25
(635)
TOP VIEW
27-3/4
(705)
19-7/16
(494)
2
FLUE OUTLET
(Either Side)
GAS PIPING INLET
(Either Side)
ELECTRICAL 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
584 9-3/4
9/16
(14)
1-1/2
(38)
D
mm
121
159
203
248