Armstrong Air Conditioning A97DSMV, Installation Instructions Manual

Page: 2 / 68

507029-03 Page 2 of 68 Issue 1622
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