Table 4A Ð Electrical Data Ð Unit 588A

UNIT

 

VOLTAGE

COMPRESSOR

OUTDOOR-FAN

INDOOR-FAN

POWER SUPPLY

AWG 60 C

MAX WIRE

SIZE

V-PH-Hz

RANGE

MOTOR

MOTOR

MIN WIRE

 

 

 

 

LENGTH (ft)

588A

 

Min

Max

RLA

LRA

FLA

FLA

MCA

MOCP*

SIZE

 

 

018

208/230-1-60

187

253

8.3

45.0

0.7

1.8

12.9

15

14

75

024

208/230-1-60

187

253

12.4

61.0

0.7

2.0

18.2

30

12

80

030

208/230-1-60

187

253

14.4

82.0

1.4

2.3

21.4

30

10

100

208/230-3-60

187

253

9.4

66.0

1.4

2.0

15.1

25

12

80

 

 

208/230-1-60

187

253

18.0

96.0

1.4

2.8

26.7

40

10

90

036

208/230-3-60

187

253

11.7

75.0

1.4

2.8

18.8

30

12

65

 

460-3-60

414

506

5.6

40.0

0.8

1.4

9.2

10

14

100

 

208/230-1-60

187

253

20.4

104.0

1.4

4.0

30.9

50

8

100

042

208/230-3-60

187

253

14.0

91.0

1.4

4.0

22.9

35

10

85

 

460-3-60

414

506

6.4

42.0

0.8

2.0

10.8

15

14

100

 

208/230-1-60²

187

253

21.8

124.0

2.1

5.0

40.1

60

8

100

 

208/230-1-60**

187

253

26.4

129.0

2.1

5.0

40.1

60

6

100

048

208/230-3-60²

187

253

12.8

93.0

2.1

5.0

25.9

40

10

75

208/230-3-60**

187

253

15.0

99.0

2.1

5.0

25.9

40

10

75

 

 

460-3-60²

414

506

6.4

46.5

1.1

2.3

13.7

20

14

100

 

460-3-60**

414

506

8.2

50.0

1.1

2.3

13.7

20

14

100

 

208/230-1-60

187

253

32.1

169.0

2.1

6.8

49.0

60

6

100

060

208/230-3-60

187

253

19.3

123.0

2.1

6.8

33.0

50

8

90

 

460-3-60

414

506

10.0

62.0

1.1

3.2

16.8

25

12

100

 

LEGEND

AWG

Ð American Wire Gage

FLA

Ð Full Load Amps

HACR

Ð Heating, Air Conditioning and

 

Refrigeration

LRA

Ð Locked Rotor Amps

MCA

Ð Minimum Circuit Amps

MOCP Ð Maximum Overcurrent Protection

RLA

Ð Rated Load Amps

*Fuse or HACR Breaker.

²Carrier Scroll Compressor. **Copeland Scroll Compressor.

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 Associa- tion) 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, deter- mine 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

= 100 x

max voltage deviation from average voltage

average voltage

 

Example: Supply voltage is 460-3-60.

AB = 452 v BC = 464 v AC = 455 v

Average Voltage = 452 1 464 1 455 3

= 1371

3

= 457

Determine maximum deviation from average voltage. (AB) 457 − 45 2 = 5 v

(BC) 464 − 45 7 = 7 v

(AC) 457 − 45 5 = 2 v Maximum deviation is 7 v.

Determine percent of voltage imbalance.

% Voltage Imbalance = 100 x

 

7

457

 

= 1.53%

This amount of phase imbalance is satisfactory as it is below the maxi- mum allowable 2%.

IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

Ð19Ð

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Bryant 589A user manual Ð Electrical Data Ð Unit 588A, Ð19Ð

589A, 588A specifications

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