507961-01
Page 2 of 58
Issue 2128
1
NOTE
- C*
20
and D*
20
(5 Ton) size units installed in upflow
applications 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.
2
Optional External Side Return Air Filter kit is not for use with
optional Return Air Base.
* Consider sizing requirements for optional IAQ equipment before
cutting side return opening.
FRONT VIEW
SIDE VIEW
Unit Dimensions
Model
A
B
C
D
in.
mm
in.
mm
in.
mm
in.
mm
045-
12
070-
12
17-1/2
448
16-3/8
416
16
406
7-5/8
194
090-
12
090-16
090-
20
110-16
110-
20
21
533
19-7/8
505
19-1/2
495
9-3/8
238
135-
20
24-1/2
622
23-3/8
594
23
584
11-1/8
283
