Bryant 588A user manual Ð Electrical Data Ð Unit 589A, Ð20Ð, Rla Lra Fla

Page 20

Table 4B Ð Electrical Data Ð Unit 589A

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)

589A

 

Min

Max

RLA

LRA

FLA

FLA

MCA

MOCP*

SIZE

 

 

024

208/230-1-60

187

253

12.9

62.5

1.4

2.0

19.5

30

12

75

030

208/230-1-60

187

253

15.0

76.0

1.4

2.6

22.8

30

10

100

 

208/230-1-60

187

253

16.7

95.0

1.4

2.8

25.1

30

10

95

036

208/230-3-60

187

253

10.9

75.0

1.4

2.8

17.8

25

12

70

 

460-3-60

414

506

5.4

40.0

0.8

1.4

9.0

10

14

100

 

208/230-1-60

187

253

20.0

104.0

1.4

3.1

29.5

45

10

80

042

208/230-3-60

187

253

13.9

88.0

1.4

3.1

21.9

30

10

60

 

460-3-60

414

506

6.8

44.0

0.8

1.6

10.9

15

14

100

 

208/230-1-60

187

253

26.4

129.0

1.4

7.2

41.6

60

6

100

048

208/230-3-60

187

253

15.0

99.0

1.4

7.2

27.4

40

10

70

 

460-3-60

414

506

8.2

49.5

0.8

2.3

13.4

20

14

100

060

208/230-1-60

187

253

32.1

169.0

2.1

7.2

49.4

60

6

100

208/230-3-60

187

253

19.3

123.0

2.1

7.2

33.4

50

8

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

Ð20Ð

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Contents General ContentsSafety Considerations 588A018-042 Without Base Rail, Unit Dimensions Ð2Ð588A018-042 With Optional Base Rail, Unit Dimensions Ð3Ð588A048,060 Without Base Rail, Unit Dimensions Ð4Ð588A048,060 With Optional Base Rail, Unit Dimensions Ð5Ð589A024-036 Without Base Rail, Unit Dimensions Ð6Ð589A024-036 With Optional Base Rail, Unit Dimensions Ð7Ð589A042-060 Without Base Rail, Unit Dimensions Ð8Ð589A042-060 With Optional Base Rail, Unit Dimensions Ð9ÐReceiving and Installation Check Equipment II. Ð Provide Unit SupportIII. Ð Field Fabricate Ductwork IV. Ð Provide ClearancesCurb Ð11ÐPart Number Unit WeightUnit MAX VII. Ð Install Flue Hood VIII. Ð Install GAS PipingUnits With Optional Base Rail VI. Ð Connect Condensate DrainPhysical Data Ð Unit 588A Ð14ÐPhysical Data Ð Unit 589A Ð15ÐIX. Ð Install Duct Connections Conguring Units for Down¯ow Vertical DischargeInternal Length of PIPE, FT² Iron Pipe Diameter Size Maximum Gas Flow CapacityÐ17Ð Install Electrical Connections High-Voltage ConnectionsÐ Electrical Data Ð Unit 588A Ð19ÐRLA LRA FLA Ð Electrical Data Ð Unit 589AÐ20Ð Special Procedures for 208-V Operation High- and Control-Voltage ConnectionsTransformer Protection PRE-START-UPII. Start UP Heating Section and Make Adjustments Adjust Gas InputSTART-UP Check for Refrigerant Leaks Check Heating ControlRated Gas Inputs at Indicated Manifold Pressures GAS Supply Pressure Manifold Natural GAS Propane NumberPressure OrificesÐ25Ð Heating Temperature Rise F InputCheck Burner Flame III. Start UP Cooling Section and Make Adjustments 208/230-1-60 Wiring Diagram, Units 588A018-060 Ð27Ð208/230-3-60 Wiring Diagram, Units 588A030-060 Ð28Ð460-3-60 Wiring Diagram, Units 588A036-060 Ð29Ð208/230-1-60 Wiring Diagram, Units 589A024-042 Ð30Ð208/230-1-60 Wiring Diagram, Units 589A048,060 Ð31Ð208/230-3-60 Wiring Diagram, Units 589A036-042 Ð32Ð208/230-3-60 Wiring Diagram, Units 589A048,060 Ð33Ð460-3-60 Wiring Diagram, Units 589A036-048 Ð34ÐSpeed Checking and Adjusting Refrigerant ChargeIndoor Air¯ow and Air¯ow Adjustments Ð36Ð Ð Superheat Charging Table, 588A018Ð Superheat Charging Table, 588A024 Ð Superheat Charging Table, 588A030 Ð Superheat Charging Table, 588A036Ð Superheat Charging Table, 588A042 Ð37ÐÐ Superheat Charging Table, 588A060 Ð38ÐÐ Superheat Charging Table, 589A024 Ð Superheat Charging Table, 589A030Ð Superheat Charging Table, 589A036 Ð39ÐÐ Superheat Charging Table, 589A042 Ð Superheat Charging Table, 589A048Ð Superheat Charging Table, 589A060 Ð40ÐRequired Suction-Tube Temperature F Ð41ÐÐ42Ð Ð43Ð Unit 589AMaintenance Wet Coil Pressure DropCooling Sequence of Operation Unit Size Airflow Pressure DropAIR Filter II. Unit TOP RemovalIII. Evaporator Blower and Motor IV. Flue GAS PassagewaysVI. Limit Switch COMBUSTION-AIR BlowerVII. Burner Ignition VIII. Main BurnersXI. Electrical Controls and Wiring Condenser FANXII. Refrigerant Circuit XIII. GAS InputTroubleshooting Symptom Cause RemedyIFM runs when it Poor ¯ame characteristicsIntegrated control MotorService Training LED OFFPage START-UP Checklist TemperaturesPreliminary Information III. START-UP Electrical
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589A, 588A specifications

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