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Table 3— Electrical Data — 580G,H240-360 (cont)
UNIT
SIZE
580G,H
NOMINAL
VOLTAGE
(3 Ph 60 Hz)
VOLTAGE
RANGE
COMPRESSOR
OFM IFM
POWER
EXHAUST
COMBUSTION
FAN MOTOR
POWER SUPPLY
No. 1 No. 2
Min Max RLA LRA RLA LRA Qty Hp
FLA
(ea)
Hp FLA FLA LRA FLA MCA MOCP*
324
208/230 187 254 57.1 266 39.1 228 2 1 5.3
10
30.8/
28.0
— — 0.96 151.9/149.1 200/200
23.6 41.6 0.96 175.5/172.7 225/225
15
46.2/
42.0
— — 0.96 167.3/163.1 200/200
23.6 41.6 0.96 190.9/186.7 225/225
20
59.4/
54.0
— — 0.96 180.5/175.1 225/225
23.6 41.6 0.96 204.1/198.7 250/250
460 414 508 25.6 120 19.9 114 2 1 2.7
10 14.0
— — 0.50 71.3 90
12.6 23.6 0.50 83.9 100
15 21.0
— — 0.50 78.3 100
12.6 23.6 0.50 90.9 110
20 27.0
— — 0.50 84.3 100
12.6 23.6 0.50 96.9 110
575 518 632 20.5 96 16.0 91 2 1 2.4
10 11.0
— — 0.50 57.4 70
12.6 23.6 0.50 70.0 90
15 17.0
— — 0.50 63.4 80
12.6 23.6 0.50 76.0 90
20 22.0
— — 0.50 68.4 80
12.6 23.6 0.50 81.0 100
360
208/230 187 254 57.1 266 57.1 266 2 1 5.3
10
30.8/
28.0
— — 0.96 169.9/167.1 225/200
23.6 41.6 0.96 193.5/190.7 250/225
15
46.2/
42.0
— — 0.96 185.3/181.1 225/225
23.6 41.6 0.96 208.9/204.7 250/250
20
59.4/
54.0
— — 0.96 198.5/193.1 250/250
23.6 41.6 0.96 222.1/216.7 275/250
460 414 508 25.6 120 25.6 120 2 1 2.7
10 14.0
— — 0.50 77.0 100
12.6 23.6 0.50 89.6 110
15 21.0
— — 0.50 84.0 100
12.6 23.6 0.50 96.6 110
20 27.0
— — 0.50 90.0 110
12.6 23.6 0.50 102.6 125
575 518 632 20.5 96 20.5 96 2 1 2.4
10 11.0
— — 0.50 61.9 80
12.6 23.6 0.50 74.5 90
15 17.0
— — 0.50 67.9 80
12.6 23.6 0.50 80.5 100
20 22.0
— — 0.50 72.9 90
12.6 23.6 0.50 85.5 100
LEGEND
FLA — Full Load Amps
HACR — Heating, Air Conditioning and Refrigeration
IFM — Indoor (Evaporator) Fan Motor
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
NEC — National Electrical Code
OFM — Outdoor (Condenser) Fan Motor
RLA — Rated Load Amps
*Fuse or HACR circuit breaker.
or
NOTES:
1. In compliance with NEC requirements for multimotor and combina-
tion load equipment (refer to NEC Articles 430 and 440), the over-
current protective device for the unit shall be fuse or HACR breaker.
Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where aphase imbalance in supply voltage is
greater than 2%.
Use the following formula to determine the percent
voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage
EXAMPLE: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v
452 + 464 + 455
Average Voltage =
3
1371
=
3
= 457
Determine maximum deviation from average voltage.
(AB) 457 − 452=5v
(BC) 464 − 457=7v
(AC) 457 − 455=2v
Maximum deviation is 7 v.
Determine percent voltage imbalance.
7
% Voltage Imbalance = 100 x
457
= 1.53%
This amount of phase imbalance is satisfactory as it is below the
maximum allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than
2%, contact your local electric utility company immediately.
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