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

Page 19

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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Contents Safety Considerations ContentsGeneral Ð2Ð 588A018-042 Without Base Rail, Unit DimensionsÐ3Ð 588A018-042 With Optional Base Rail, Unit DimensionsÐ4Ð 588A048,060 Without Base Rail, Unit DimensionsÐ5Ð 588A048,060 With Optional Base Rail, Unit DimensionsÐ6Ð 589A024-036 Without Base Rail, Unit DimensionsÐ7Ð 589A024-036 With Optional Base Rail, Unit DimensionsÐ8Ð 589A042-060 Without Base Rail, Unit DimensionsÐ9Ð 589A042-060 With Optional Base Rail, Unit DimensionsIV. Ð Provide Clearances Receiving and Installation Check EquipmentII. Ð Provide Unit Support III. Ð Field Fabricate DuctworkPart Number Ð11ÐCurb Unit MAX WeightUnit VI. Ð Connect Condensate Drain VII. Ð Install Flue HoodVIII. Ð Install GAS Piping Units With Optional Base RailÐ14Ð Physical Data Ð Unit 588AÐ15Ð Physical Data Ð Unit 589AConguring Units for Down¯ow Vertical Discharge IX. Ð Install Duct ConnectionsÐ17Ð Maximum Gas Flow CapacityInternal Length of PIPE, FT² Iron Pipe Diameter Size High-Voltage Connections Install Electrical ConnectionsÐ19Ð Ð Electrical Data Ð Unit 588AÐ20Ð Ð Electrical Data Ð Unit 589ARLA LRA FLA High- and Control-Voltage Connections Special Procedures for 208-V OperationPRE-START-UP Transformer ProtectionCheck Heating Control II. Start UP Heating Section and Make AdjustmentsAdjust Gas Input START-UP Check for Refrigerant LeaksOrifices Rated Gas Inputs at Indicated Manifold PressuresGAS Supply Pressure Manifold Natural GAS Propane Number PressureCheck Burner Flame Heating Temperature Rise F InputÐ25Ð III. Start UP Cooling Section and Make Adjustments Ð27Ð 208/230-1-60 Wiring Diagram, Units 588A018-060Ð28Ð 208/230-3-60 Wiring Diagram, Units 588A030-060Ð29Ð 460-3-60 Wiring Diagram, Units 588A036-060Ð30Ð 208/230-1-60 Wiring Diagram, Units 589A024-042Ð31Ð 208/230-1-60 Wiring Diagram, Units 589A048,060Ð32Ð 208/230-3-60 Wiring Diagram, Units 589A036-042Ð33Ð 208/230-3-60 Wiring Diagram, Units 589A048,060Ð34Ð 460-3-60 Wiring Diagram, Units 589A036-048Indoor Air¯ow and Air¯ow Adjustments Checking and Adjusting Refrigerant ChargeSpeed Ð Superheat Charging Table, 588A024 Ð Superheat Charging Table, 588A018Ð36Ð Ð37Ð Ð Superheat Charging Table, 588A030Ð Superheat Charging Table, 588A036 Ð Superheat Charging Table, 588A042Ð38Ð Ð Superheat Charging Table, 588A060Ð39Ð Ð Superheat Charging Table, 589A024Ð Superheat Charging Table, 589A030 Ð Superheat Charging Table, 589A036Ð40Ð Ð Superheat Charging Table, 589A042Ð Superheat Charging Table, 589A048 Ð Superheat Charging Table, 589A060Ð41Ð Required Suction-Tube Temperature FÐ42Ð Unit 589A Ð43ÐUnit Size Airflow Pressure Drop MaintenanceWet Coil Pressure Drop Cooling Sequence of OperationIV. Flue GAS Passageways AIR FilterII. Unit TOP Removal III. Evaporator Blower and MotorVIII. Main Burners VI. Limit SwitchCOMBUSTION-AIR Blower VII. Burner IgnitionXIII. GAS Input XI. Electrical Controls and WiringCondenser FAN XII. Refrigerant CircuitSymptom Cause Remedy TroubleshootingMotor IFM runs when itPoor ¯ame characteristics Integrated controlLED OFF Service TrainingPage III. START-UP Electrical START-UP ChecklistTemperatures Preliminary Information
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589A, 588A specifications

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