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ELECTRICAL DATA
UNIT
588A
V-PH-HZ
VOLTAGE
RANGE
COMPRESSOR
COND.
INDOOR
FAN
FLA
POWER SUPPLY
AWG60C
MIN WIRE
SIZE
MAX WIRE
LENGTH
(ft)
FAN
MOTOR
Min Max RLA LRA FLA MCA MOCP*
018
208/230-1-60 187 253
7.6 45 0.7 1.8 12.0 15 14 75
024 12.4 61 0.7 2.0 18.2 30 12 80
030 14.4 82 1.4 2.0 21.8 30 10 100
036 18.0 96 1.4 2.8 26.7 40 10 90
042 20.4 104 1.4 4.0 30.9 50 8 100
048 26.4 129 2.1 5.0 40.1 60 6 100
060 32.1 169 2.1 6.8 49.0 60 6 100
030
208/230-3-60 187 253
9.4 66 1.4 2.0 15.5 25 12 80
036 11.7 75 1.4 2.8 18.8 30 12 65
042 14.0 91 1.4 4.0 22.9 35 10 85
048 15.0 99 2.1 5.0 25.9 40 10 75
060 19.3 123 2.1 6.8 33.0 50 8 90
036
460-3-60 414 506
5.6 40 0.8 1.4 9.2 10 14 100
042 6.4 42 0.8 2.0 10.8 15 14 100
048 8.2 50 1.1 2.3 13.7 20 14 100
060 10.0 62 1.1 3.2 16.8 25 12 100
LEGEND
AWG — American Wire Gage
CSA — Canadian Standards Association
FLA — Full Load Amps
HACR — Heating, Air Conditioning and Refrigeration
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection (fuses or HACR-type
circuit breaker)
NEC — National Electrical Code
RLA — Rated Load Amps
*Fuse or HACR breaker.
†Minimum wire size is based on 60 C copper wire. If other than 60 C is
used, determine size from NEC. Voltage drop of wire must be less than
2% of rated voltage.
NOTES:
1. In compliance with NEC 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 CSA
units may be fuse or circuit breaker.
2. 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
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 + 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 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.
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