Specifications

506887-01Page 2 of 78 Issue 1213
Unit Dimensions - inches (mm)
* NOTE - C/D20 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) 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.
See Blower Performance Tables for additional information.
* Optional External Side Return Air Filter Kit is not for use with
the optional RAB Return Air Base.
FRONT VIEW SIDE VIEW
Model Number
A
446
17-1/2
A97USMV070B12S
B
C
in.
mm
in.
mm
in.
mm
416
16-3/8
406
16
A97USMV090C12S
A97USMV090C16S
A97USMV090C20S
A97USMV110C20S
A97USMV135D20S
533
21
505
19-7/8
495
19-1/2
622
24-1/2
594
23-3/8
584
23
D
in.
mm
283
11-1/8
238
9-3/8
194
7-5/8