Bryant 558D Installation, Start-Up And Service Instructions Manual page 20

UNIT EVAPORATOR-FAN
558D MOTOR
Std
036
Alt
Std
048
Alt
Std
060
Alt
072 Std
LEGEND
Bhp — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full range of the motors can be
utilized with confidence. Using your fan motors up to the ratings shown in this table will not result in
nuisance tripping or premature motor failure. Unit warranty will not be affected.
†Single-Phase motor.
**3-phase motor.
Table 5 — 558D036 Air Delivery — Vertical Discharge Units (Standard Motor)
AIRFLOW
(Cfm)
208 v
ESP Watts
900 0.67 253
1000 0.60 270
1100 0.55 287
1200 0.51 304
1300 0.45 321
1400 0.38 338
1500 0.34 355
LEGEND
ESP — External Static Pressure (in. wg)
NOTES:
1. Values include losses for filters, unit casing, and wet coils.
2. Extensive motor and electrical testing on these units ensures that the full range of the motor can be
utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in
nuisance tripping or premature motor failure. Unit warranty will not be affected. For additional in-
formation on motor performance, refer to Table 4.
3. Use of a field-supplied motor may affect wire sizing. Contact your distributor to verify.
4. To convert watts to bhp:
watts input x motor efficiency
bhp =
746
Motor efficiency = .63
Table 4 — Motor Data
MAXIMUM MAXIMUM
CONTINUOUS OPERATING
BHP* WATTS*
.34 440
1.00 1000
.75 850
1.00 1000
1.20 1340
1.3 1750
2.4 2120
2.40 2120
STANDARD DIRECT DRIVE MOTOR
Low Speed
230, 460, 575 v
ESP Watts ESP
0.68 277 0.69
0.61 292 0.61
0.56 307 0.57
0.51 323 0.52
0.46 338 0.46
0.41 354 0.43
0.36 369 0.38
—20—
MAXIMUM
UNIT
AMP
VOLTAGE
DRAW
208/230 2.9
460 1.4
575 1.4
208/230 5.1
460 2.3
575 2.3
208/230 3.7
460 1.9
575 1.9
208/230 5.1
460 2.3
575 2.3
208/230 6.2
460 3.4
575 3.4
208/230† 7.6
208/230** 6.1
460 2.7
575 2.7
208/230 6.1
460 2.7
575 2.7
High Speed
208 v 230, 460, 575 v
Watts ESP Watts
307 0.69 363
321 0.63 374
335 0.58 385
349 0.53 397
364 0.47 408
378 0.43 420
392 0.39 431