Accessory/fiop static pressure, Evaporator-fan motor performance, Fan rpm at motor pulley settings — 581a155,180 – Bryant 581A/B User Manual
Page 241: 241 performance data (cont)
241
PERFORMANCE DATA (cont)
ACCESSORY/FIOP STATIC PRESSURE (in. wg)* — 581A155,180
LEGEND
*The static pressure must be added to external static pressure. The sum and
the evaporator entering-air cfm should then be used in conjunction with the
Fan Performance tables to determine blower rpm and watts.
INDOOR SOUND DATA (TOTAL UNIT) — 581A155,180
EVAPORATOR FAN MOTOR PERFORMANCE — 581A155,180
LEGEND
FAN RPM AT MOTOR PULLEY SETTINGS* — 581A155,180
*Approximate fan rpm shown.
†Indicates standard drive package.
**Indicates alternate drive package.
††Due to belt and pulley style, pulley cannot be set to this number of turns open.
COMPONENT
CFM
4500
5000
5400
6000
7200
7500
9000
10,000
11,250
EconoMi$er IV
0.040
0.050
0.060
0.070
0.090
0.100
0.110
0.120
0.140
FIOP — Factory-Installed Option
UNIT 581A
SOUND
RATING-dB
(60 Hz)
A-WEIGHTED
(dB)
SOUND POWER (dB)
Octave Bands
63
125
250
500
1000
2000
4000
8000
155
87
87.3
87.1
89.9
86.4
84.0
82.7
79.0
73.9
68.6
180
88
88.0
95.7
88.9
87.2
85.2
91.9
79.5
72.7
66.0
UNIT 581A
NOMINAL HP
VOLTAGE
MAX WATTS
EFF. %
MAX BHP
MAX BkW
MAX AMPS
155
(Standard Motor)
2.9
208
2700
85.8
3.13
2.34
9.46
2.9
230
2700
85.8
3.13
2.34
8.6
2.9
460
2700
85.8
3.13
2.34
4.3
3
575
3065
81.7
3.38
2.53
3.9
155
(Optional Motor)
3.7
208
3610
85.8
4.38
3.27
10.5
3.7
230
3610
85.8
4.38
3.27
10.5
3.7
460
3610
85.8
4.38
3.27
4.8
180
5
208
5180
87.5
6.13
4.57
15.8
5
230
5180
87.5
6.13
4.57
15.8
5
460
5180
87.5
6.13
4.57
7.9
5
575
5180
87.5
6.13
4.57
6.0
BHP — Brake Horsepower
BkW — Brake Kilowatts
UNIT
581A
MOTOR PULLEY TURNS OPEN
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
1
/
2
6
155†
1147
1124
1101
1078
1055
1032
1010
987
964
941
918
895
††
155**
1315
1292
1269
1246
1223
1200
1178
1155
1132
1109
1086
1063
1040
180†
††
††
††
††
1021
1002
984
965
947
928
910
891
873
180**
††
††
††
††
1200
1178
1156
1134
1112
1091
1069
1047
1025
5
81A1
55-
30
0