Payne PA1R Series Installation, Start-Up And Service Instructions Manual page 16

UNIT
PA1R
0 1
036† 1090 1055
048† 1185 1150
060† 1300 1260
072** 1460 1420
*Approximate fan rpm shown.
†Indicates alternate motor and drive package.
**Indicates standard motor and drive package.
UNIT EVAPORATOR-FAN
PA1R 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 horsepower and
watts 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 — Fan Performance, PA1R036 Vertical Discharge Units; Standard Motor (Direct)
AIRFLOW
(Cfm)
ESP
900 0.67
1000 0.60
1100 0.55
1200 0.51
1300 0.45
1400 0.38
1500 0.34
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 nui-
sance tripping or premature motor failure. Unit warranty will not be
Table 3 — Fan Rpm at Motor Pulley Settings*
⁄ 1 1 1 ⁄
2 2
1025 990
1115 1080
1220 1180
1380 1345
Table 4 — Motor Data
MAXIMUM CONTINUOUS
BHP*
.34
1.00
.75
1.00
1.20
1.80
2.40
LOW SPEED
208 v
Watts ESP
253 0.68
270 0.61
287 0.56
304 0.51
321 0.46
338 0.41
355 0.36
MOTOR PULLEY TURNS OPEN
2 2 1 ⁄ 3
2
960 925 890
1045 1015 980
1140 1100 1060
1305 1265 1225
MAXIMUM OPERATING
WATTS*
440
1000
850
1000
1340
1921
2120
230, 460 v
Watts ESP
277 0.69
292 0.61
307 0.57
323 0.52
338 0.46
354 0.43
369 0.38
affected. For additional information on motor performance, refer to
Table 4.
3. To convert watts to bhp:
watts input x motor efficiency
bhp =
Motor efficiency = .63
—16—
3 1 ⁄ 4 4
2
860 825 795
945 910 875
1020 980 940
1185 1150 1110
UNIT MAXIMUM AMP
VOLTAGE
208/230
460
208/230
460
208/230
460
208/230
460
208/230
460
208/230
208/230
460
208/230
460
HIGH SPEED
208 v 230, 460 v
Watts ESP
307 0.69
321 0.63
335 0.58
349 0.53
364 0.47
378 0.43
392 0.39
746
1 ⁄ 5
2
760
840
900
1070
DRAW
2.9
1.4
5.1
2.3
3.7
1.9
5.1
2.3
6.2
3.4
6.1†
9.2**
2.7
6.1
2.7
Watts
363
374
385
397
408
420
431