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ELECTRICAL DATA
UNIT
SIZE
583A
V-PH-Hz
VOLTAGE
RANGE
COMPRESSOR
OUTDOOR FAN
MOTOR
INDOOR FAN
MOTOR
POWER SUPPLY FUSE OR
HACR BRKR
Min Max RLA LRA FLA FLA MCA MOCP*
024 208/230-1-60 187 253 10.3 56.0 0.8 2.0 15.7 25
030
208/230-1-60 187 253 13.5 73.0 0.8 2.1 19.8 30
208/230-3-60 187 253 9.0 63.0 0.8 2.1 14.2 20
036
208/230-1-60 187 253 16.7 97.0 0.8 3.6 25.3 40
208/230-3-60 187 253 11.2 75.0 0.8 3.6 18.4 25
460-3-60 414 506 5.4 37.5 0.9 1.9 9.6 15
042
208/230-1-60 187 253 17.9 104.0 1.6 4.1 28.1 45
208/230-3-60 187 253 12.4 88.0 1.6 4.1 21.2 30
460-3-60 414 506 6.1 44.0 0.9 2.0 10.5 15
048
208/230-1-60 187 253 19.5 104.0 1.6 4.1 30.1 45
208/230-3-60 187 253 12.4 88.0 1.6 4.1 21.2 30
460-3-60 414 506 5.8 44.0 0.9 2.0 10.2 15
060
208/230-1-60 187 253 28.8 169.0 1.6 6.2 43.8 60
208/230-3-60 187 253 17.3 123.0 1.6 6.2 29.4 45
460-3-60 414 506 9.0 62.0 0.9 3.2 15.4 20
LEGEND
FLA — Full Load Amps
HACR — Heating, Air Conditioning
and Refrigeration
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
RLA — Rated Load Amps
*Fuse or HACR Breaker.
NOTES:
1. In compliance with NEC (National Electrical Code) requirements for
multimotor and combination load equipment (refer to NEC
Articles 430 and 440), the overcurrent protective device for the unit
shall be fuse or HACR breaker. The CGA (Canadian Gas
Association) units may be fuse or circuit breaker.
2. Minimum wire size is based on 60 C copper wire. If other than
60 C wire is used, or if length exceeds wire length in table,
determine size from NEC.
3. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%.
Use the following formula to determine the percent-
age of 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 ϩ 464 ϩ 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 of 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.
20