Bryant 581A operation manual Physical Data, Compressor

Page 6

Table 1 — Physical Data

UNIT 581A

 

210

240

300

NOMINAL CAPACITY (tons)

 

18

20

25

OPERATING WEIGHT (lb)

 

 

 

 

Al/Al*

 

2224

2272

2526

COMPRESSOR

 

 

 

 

Quantity

 

3

3

2

Number of Refrigerant Circuits

 

3

3

2

Oil (ounces) Ckt A...Ckt B...Ckt C

 

68...68...90

90...90...90

110...110...N/A

REFRIGERANT TYPE

 

R-22

R-22

R-22

Expansion Device

 

TXV

TXV

TXV

Operating Charge (lb)

 

 

 

 

Circuit A

 

13.1

13.8

21.8

Circuit B

 

12.7

13.9

20.3

Circuit C

 

15.2

15.5

N/A

CONDENSER FAN

 

 

 

 

Nominal Cfm (Total, all fans)

 

14,000

14,000

21,000

Quantity...Diameter (in.)

 

4...22

4...22

6...22

Motor Hp...Rpm

 

1/4...1100

1/4...1100

1/4...1100

Watts Input (Total)

 

1400

1400

2100

CONDENSER COIL

 

 

 

 

Rows...Fins/in.

 

2...17

2...17

2...17

Total Face Area (sq ft)

 

57.78

57.78

66.67

EVAPORATOR FAN

 

 

 

 

Quantity...Size

 

2...15x11

2...15x11

2...15x11

Type Drive

 

Belt

Belt

Belt

Nominal Cfm

 

7000

8000

10,000

Motor Bearing Type

 

Ball

Ball

Ball

Maximum Allowable Fan Rpm

 

1400

1400

1400

EVAPORATOR COIL

 

 

 

 

Rows...Fins/in.

 

3...15

4...15

4...15

Total Face Area (sq ft)

 

23.33

23.33

27.22

FURNACE SECTION

 

 

 

 

Rollout Switch Cutout Temp (F)

 

225

225

225

Burner Orifice Diameter (in. ...drill size)

 

0.136...29

0.136...29

0.136...29

Gas

 

Natural

Natural

Natural

Thermostat Heat Anticipator Setting

 

 

 

 

Stage 1 (amps)

 

0.98

0.98

0.98

Stage 2 (amps)

 

0.44

0.44

0.44

Gas Input (Btuh) HIGH HEAT

Stage 1

317,000

317,000

317,000

 

Stage 2

400,000

400,000

400,000

Efficiency (Steady State) %

Vertical

82

82

82

Temperature Rise Range (F)

 

25-55

25-55

25-55

Gas Input (Btuh) MEDIUM HEAT

Stage 1

281,000

281,000

281,000

 

Stage 2

365,000

365,000

365,000

Efficiency (Steady State) %

Vertical

81

81

81

Temperature Rise Range (F)

 

25-55

25-55

25-55

Gas Input (Btuh) LOW HEAT

Stage 1

199,000

199,000

199,000

 

Stage 2

250,000

250,000

250,000

Efficiency (Steady State) %

Vertical

82

82

82

Temperature Rise Range (F)

 

15-45

15-45

15-45

Manifold Pressure

 

 

 

 

Natural Gas (in. wg)

Vertical

3.00

3.00

3.00

Natural Gas (in. wg)

Horizontal

2.95

2.95

2.95

Gas Valve Quantity

 

1

1

1

Gas Valve Pressure Range

(in. wg)

5.5-13.0

5.5-13.0

5.5-13.0

Min-Max Allowable

(psig)

.235-.469

.235-.469

.235-.469

Field Gas Connection Size (in. FPT)

 

3/4

3/4

3/4

HIGH-PRESSURE SWITCH (psig)

 

 

 

 

Cutout

 

426

426

426

Reset (Auto)

 

320

320

320

OUTDOOR-AIR INLET SCREENS

 

 

 

 

Quantity...Size (in.)

 

3...20x25

3...20x25

3...20x25

RETURN-AIR FILTERS

 

 

 

 

Quantity...Size (in.)

 

9...16x25

9...16x25

9...18x24

LEGEND

 

*Aluminum evaporator coil and aluminum condenser coil.

N/A — Not Applicable

 

 

 

 

TXV — Thermostatic Expansion Valve

 

 

 

 

6

Image 6
Contents Contents Safety ConsiderationsInstallation Provide Unit Support II. Remove Shipping Rails III. RIG and Place UnitRoof Curb Details Shipping Rail Removal Base Unit Dimensions Physical Data CompressorFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Make Unit Duct Connections Vertical ConfigurationIV. Field Fabricate Ductwork Horizontal ApplicationsVI. Install Flue Hood and Inlet Hood VIII. Install GAS PipingVII. Trap Condensate Drain Field Power Supply Field Control WiringIX. Make Electrical Connections Install OUTDOOR-AIR Hood Manual Damper AssemblyElectrical Data Units Without Convenience Outlet FLA MCA MocpElectrical Data Units With Optional Convenience Outlet Outdoor-Air Hood Details XIII. Install ALL Accessories XII. NON-FUSED DisconnectPRE-START-UP III. Refrigerant Service PortsVI. Internal Wiring START-UPOUTDOOR-AIR Inlet Screens VIII. Condenser Fans and MotorsIX. RETURN-AIR Filters XI. GAS HeatFan Performance 581A210 Medium Heat Vertical Discharge Units Fan Performance 581A210 High Heat Vertical Discharge Units Fan Performance 581A240 Low Heat Vertical Discharge UnitsFan Performance 581A240 Medium Heat Vertical Discharge Units Fan Performance 581A240 High Heat Vertical Discharge UnitsFan Performance 581A300 Low Heat Vertical Discharge Units Fan Performance 581A300 Medium Heat Vertical Discharge UnitsFan Performance 581A300 High Heat Vertical Discharge Units General Notes for TablesFan Performance 581A210 Low Heat Horizontal Discharge Units Fan Performance 581A210 High Heat Horizontal Discharge Units Fan Performance 581A240 Low Heat Horizontal Discharge UnitsFan Performance 581A240 High Heat Horizontal Discharge Units Fan Performance 581A300 Low Heat Horizontal Discharge Units Power Exhaust Fan Performance Fan Performance 581A300 High Heat Horizontal Discharge UnitsEvaporator Fan Motor Specifications Operation Air Quantity LimitsEconoMi$er IV Controller Wiring and Operational Modes Accessory/FIOP Static Pressure in. wgFan Rpm at Motor Pulley Settings XII. Optional ECONOMI$ERSupply-Air Temperature Sensor Location EconoMi$er IV Component Locations Exploded ViewEconoMi$er IV Wiring Enthalpy Changeover Set Points Page CO2 Sensor Standard Settings XII. Operating SequenceCooling, Units Without Economizer Heating, Units Without Economizer Service CleaningCoil Maintenance and Cleaning Recommendation Cooling, Units With EconoMi$erOutdoor-Air Inlet Screens Condensate DrainFilters Main BurnerIII. Evaporator FAN Service and Replacement II. LubricationBelt Tension Adjustment IV. Evaporator FAN Performance AdjustmentBelt Tension Adjustment VI. CONDENSER-FAN Adjustment FigVII. Power Failure IX. GAS Valve AdjustmentVIII. Refrigerant Charge Main Burners XI. Filter DrierXII. Protective Devices XV. Replacement Parts XIII. Relief DevicesXIV. Control Circuit Low Voltage Control Schematic Low Voltage Control Schematic Power Schematic Component Arrangement Troubleshooting Unit Troubleshooting Cooling Service AnalysisHeating Service Analysis Problem Cause RemedyIGC Control Heating and Cooling II. ECONOMI$ER IV Troubleshooting EconoMi$er IV Troubleshooting Completion EconoMi$er IV Input/Output LogicCopyright 2005 Bryant Heating & Cooling Systems Catalog no Page Page Page Electrical START-UP ChecklistTemperatures Pressures
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581A specifications

The Bryant 581A is a pivotal model in the realm of heating, ventilation, and air conditioning (HVAC) systems, known for its robust performance and energy efficiency. As part of the Bryant product lineup, the 581A offers a blend of innovative technologies combined with reliable engineering, making it a suitable choice for both residential and light commercial applications.

One of the standout features of the Bryant 581A is its outstanding energy efficiency. With a Seasonal Energy Efficiency Ratio (SEER) rating of up to 16, this model meets Energy Star qualifications, ensuring that homeowners can enjoy lower utility bills while helping to reduce their environmental footprint. The efficiency is further enhanced by the unit’s environmentally friendly refrigerant, which not only improves performance but also aligns with modern sustainability standards.

Another key characteristic of the Bryant 581A is its durable construction. Designed to withstand various weather conditions, the unit features a robust cabinet that protects internal components. This durability not only prolongs the lifespan of the system but also minimizes the need for frequent maintenance or repairs. The coil design is optimized for heat transfer efficiency, enhancing the unit's overall performance in both cooling and heating modes.

In terms of technology, the Bryant 581A incorporates advanced control systems that enable precise temperature regulation. The multi-stage cooling capabilities ensure that the system can adapt to varying temperature demands, providing comfort in all seasons. Additionally, the model is compatible with smart thermostats, allowing homeowners to control their HVAC system remotely via smartphone or other connected devices.

Noise reduction is another aspect where the Bryant 581A excels. Equipped with a variable-speed compressor and sound-dampening features, this model operates quietly, minimizing disruption in residential or office environments. This focus on acoustic comfort makes it an ideal choice for those who value a peaceful living or working space.

Overall, the Bryant 581A represents an excellent balance of efficiency, durability, and modern technology. With features aimed at enhancing user comfort and reducing operational costs, it stands out as a reliable solution in the competitive HVAC market. Whether for new installations or replacements, the Bryant 581A is a testament to the brand’s commitment to quality and innovation in home climate control.