14
Fig. 12 — 42SM Optional Supply Plenum
TOP
FRONT
RIGHT
22
[559]
24
[610]
24
[610]
24
[610]
3 [76]
3 [76]
1-1/4 [32]
11
[279]
1-1/4 [32]
30
[762]
16
[406]
22
[559]
4
[102]
1
[25]
22
[559]
1
[25]
1-1/4 [32]
16
[406]
4
[102]
NOTES:
1. Plenum box adds 22 in. (559 mm) to unit height, adds 26 lb (11.8 kg) to unit weight, and is factory
installed.
2. 1/4 in. closed cell insulation is standard for the plenum box.
3. Side supply is 22 in. [559 mm] x 16 in. [406 mm] on all four sides.
4. Top supply is 24 in. [610 mm] x 11 in. [279 mm] which matches unit top ducted discharge.
5. All dimensions are in inches [mm].