Bryant 581B036--072 Installation Instructions Manual page 28

ARI
RATING RATING
UNIT UNIT
(decibels)
036, 048
76
060, 072
80
LEGEND
ARI --- Air Conditioning and Refrigeration Institute
ARI
RATING RATING
UNIT UNIT WEIGHTED WEIGHTED
(decibels)
024---048 76
060 80
1. Values include losses for filters, unit casing, and wet coils. See Table 11 and Fig. 38 for accessory/FIOP static pressure information.
2. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. Using the
fan motors up to the ratings shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.
See Tables 8 and 9 for additional information.
3. Use of a field-supplied motor may affect wire sizing. Contact your Bryant representative to verify.
4. Interpolation is permissible. Do not extrapolate.
Table 15—Fan Performance 581C 024 — Vertical Discharge Units; Standard Motor (Belt Drive)**
AIRFLOW AIRFLOW
(Cfm) (Cfm)
Rpm
600
500
700
529
800
547
900
570
1000
599
Table 13—581B Outdoor Sound Power (Total Unit)
63 125 250
55.9 66.0 64.0
59.1 68.9 68.7
Table 14—581C Outdoor Sound Power (Total Unit)
A ---
63 125
(db)
76 55.9 66.0
80 59.1 68.9
GENERAL FAN PERFORMANCE NOTES
EXTERNAL STATIC PRESSURE (in. wg)
0.1 0.2
Bhp Rpm Bhp Rpm
0.08 531 0.08 607
0.09 567 0.09 633
0.10 592 0.12 660
0.13 620 0.14 691
0.15 650 0.16 717
OCTAVE BANDS
500 1000
66.2 68.4
71.9 74.0
OCTAVEBANDS
250 500 1000
64.0 66.2 68.4
68.7 71.9 74.0
0.4 0.6
Bhp Rpm Bhp Rpm
0.14 713 0.21 788
0.16 739 0.24 816
0.19 761 0.27 845
0.22 793 0.32 870
0.26 818 0.36 894
28
2000 4000
64.5 61.7
68.9 65.7
2000 4000
64.5 61.7
68.9 65.7
0.8 1.0
Bhp
Rpm Bhp
878 0.37
0.29
902 0.41
0.32
937 0.47
0.37
957 0.53
0.42
981 0.58
0.47
8000
57.3
59.0
8000
57.3
59.0