Specification Sheet
Table Of Contents
448
CM 22
CM 24
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
575 5.7 / 62.7 - - - - - - - - -
700 9.0 / 70.3 - - - - - - - - -
825 13.1 / 76.4 10.6 / 72.9 - - - - - - - -
950 18.1 / 81.5 14.9 / 78.4 13.4 / 76.1 - - - - - - -
1075
23 / 85.7 19.9 / 83.2 17.8 / 81.1 16.5 / 79.3 - - - - - -
1225 30 / 89.7 27 / 88.2 24 / 86.4 22 / 84.9 21 / 83.3 19.8 / 82.1 - - - -
1350 35 / 92.6 34 / 91.7 31 / 90.2 28 / 88.9 26 / 87.6 25 / 86.2 24 / 85.0 - - -
1475 40 / 94.8 39 / 94.4 36 / 93.2 34 / 91.9 32 / 90.9 30 / 89.8 28 / 88.7 27 / 87.7 26 / 86.9 -
1600 46 / 96.9 45 / 96.7 42 / 95.8 40 / 94.7 37 / 93.7 35 / 92.8 33 / 91.9 32 / 91.0 31 / 90.2 30 / 89.4
1725 51 / 98.9 50 / 98.7 49 / 98.2 46 / 97.3 43 / 96.4 41 / 95.6 39 / 94.8 37 / 94.0 36 / 93.3 35 / 92.6
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
500 5.2 / 61.9 - - - - - - - - -
625 9.5 / 71.7 - - - - - - - - -
725 13.4 / 77.1 10.2 / 72.8 - - - - - - - -
825 17.6 / 81.4 14.3 / 78.4 12.1 / 75.2 - - - - - - -
950 23 / 85.9 20.0 / 84.0 17.4 / 81.4 15.5 / 79.2 - - - - - -
1050 28 / 88.9 25 / 87.5 22 / 85.7 19.9 / 83.6 18.4 / 81.9 16.4 / 79.1 - - - -
1175 34 / 92.1 32 / 91.4 29 / 90.1 26 / 88.5 24 / 86.8 23 / 85.5 20 / 83.2 - - -
1275 39 / 94.4 39 / 94.1 35 / 92.9 32 / 91.8 30 / 90.3 28 / 89.0 26 / 87.9 24 / 86.0 - -
1400 45 / 96.8 45 / 96.5 42 / 95.8 39 / 94.9 36 / 93.9 34 / 92.7 32 / 91.5 30 / 90.6 29 / 89.7 26 / 87.6
1500 50 / 98.6 50 / 98.3 48 / 97.9 45 / 97.1 42 / 96.4 40 / 95.4 37 / 94.4 35 / 93.3 34 / 92.5 33 / 91.7
MODELS CM
BELT DRIVEN UTILITY VENT SET
CM 27
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
450 5.6 / 62.1 - - - - - - - - -
550 9.4 / 71.0 - - - - - - - - -
650 14.0 / 77.5 10.8 / 73.1 - - - - - - - -
750 18.9 / 82.5 15.6 / 79.4 12.9 / 75.9 - - - - - - -
825 22 / 85.4 19.4 / 83.2 16.7 / 80.5 14.4 / 77.5 - - - - - -
925 27 / 88.7 25 / 87.4 22 / 85.5 19.6 / 83.2 17.5 / 80.8 - - - - -
1025 32 / 91.6 31 / 91.0 28 / 89.5 25 / 87.9 23 / 86.0 21 / 83.9 19.8 / 82.5 - - -
1100 36 / 93.6 36 / 93.3 33 / 92.1 30 / 90.8 28 / 89.3 25 / 87.6 23 / 85.8 22 / 84.5 - -
1200 42 / 96.1 42 / 95.8 40 / 95.2 37 / 94.2 34 / 93.1 32 / 91.8 29 / 90.3 27 / 88.7 26 / 87.5 -
1300 48 / 98.2 47 / 98.0 47 / 97.7 44 / 96.9 41 / 96.0 39 / 95.0 36 / 93.9 34 / 92.7 31 / 91.3 30 / 90.1
The A-weighted sound ratings shown have been calculated per AMCA standard 301. Values shown
are for inlet Lwi(A) sound power levels for installation type B - free inlet, ducted outlet. Ratings do not
include the effect of duct end corrections. The sound ratings shown are loudness values in fan sones at
1.5 m (5 ft) in a hemispherical free eld calculated per AMCA International Standard 301. Values shown
are for: Installation type B: free inlet hemispherical sone levels.
S&P USA Ventilation Systems, LLC., Div. of
Soler & Palau Ventilation Group certies that
the Models CM shown herein are licensed
to bear the AMCA Seal (except CM10).
The ratings shown are based on test and
procedures performed in accordance with
AMCA Publication 211 and AMCA Publication
311 and comply with the requirement of the
AMCA Certied Ratings Program.