Unit Dimensions - Lennox A80UH1E Installation Instructions Manual

NOTE - 20C and 20D size units installed in upflow applications
1
that require air volumes of 1800 cfm (850 L/s or greater 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) air filter.
2. Single side return air with optional RAB Return Air Base
3. Bottom return air.
4. Return air from both sides.
5. Bottom and one side return air.
Flue outlet may be horizontal but furnace must be vented
2
vertically.
3 Optional external side return air filter kit cannot be used with
the optional RAB Return Air Base.
*
Consider sizing requirements for optional IAQ equipment before
cutting side return opening.
FRONT VIEW
Model
A80UH1E/80G1UHE
045-08
045-12
070-08
070-12
090-12
090-16
110-12
110-16
110-20
135-20
Page 2 of 42
A80UH1E & 80G1UHE Unit Dimensions - inches (mm)
A
in.
mm
368
14-1/2
17-1/2
446
21 533
24-1/2 622
B
in. mm
in.
13-3/8 340
13
16
16-3/8 416
19-7/8 504 19-1/2
23
23-3/8 546
Issue 1132
SIDE VIEW
C D
mm
in.
4-3/4
330
406 6-1/4
495 8
9-3/4
584
mm
121
159
203
248
506842-01