Bryant 580G VII. Filter Drier, VIII. Thermostatic Expansion Valve TXV, IX. Protective Devices

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VII. FILTER DRIER

Replace whenever refrigerant system is exposed to atmosphere.

VIII. THERMOSTATIC EXPANSION VALVE (TXV)

Each circuit has one. It is nonadjustable and is factory set to maintain 10 to 13° F superheat leaving the evaporator coil. Controls ¯ow of liquid refrigerant to the evaporator coils.

IX. PROTECTIVE DEVICES

A. Compressor Protection

Overcurrent

Each compressor has one manual reset, calibrated trip, mag- netic circuit breaker. Do not bypass connections or increase the size of the circuit breaker to correct trouble. Determine the cause and correct it before resetting the breaker.

Overtemperature

Each 06D type compressor has an internal protector to pro- tect it against excessively high discharge gas temperatures.

Crankcase Heater

Each compressor has a crankcase heater to prevent absorp- tion of liquid refrigerant by oil in the crankcase when the com- pressor is idle. Since power for the crankcase heaters is drawn from the unit incoming power, main unit power must be on for the heaters to be energized.

IMPORTANT: After a prolonged shutdown or service job, energize the crankcase heaters for 24 hours before starting the compressors.

B. Evaporator-Fan Motor Protection

A manual reset, calibrated trip, magnetic circuit breaker protects against overcurrent. Do not bypass connections or increase the size of the breaker to correct trouble. Determine the cause and correct it before resetting the breaker. If the evaporator-fan motor is replaced with a different horsepower motor, resizing of the circuit breaker is required. Contact Application Engineering.

C. Condenser-Fan Motor Protection

Each condenser-fan motor is internally protected against overtemperature.

D. High- and Low-Pressure Switches

If either switch trips, or if the compressor overtemperature switch activates, that refrigerant circuit will be automa- tically locked out. To reset, manually move the thermostat setting.

E. Freeze Protection Thermostat (FPT)

Freeze protection thermostats are located on the evaporator coil for each circuit. One is located at the top and bottom of each circuit. They detect frost build-up and turn off the com- pressor, allowing the coil to clear. Once the frost has melted, the compressor can be reenergized.

X. RELIEF DEVICES

All units have relief devices to protect against damage from excessive pressures (i.e., ®re). These devices are installed on the suction line, liquid line, and on the compressor.

XI. CONTROL CIRCUITS

A. 24-V Circuit

This control circuit is protected against overcurrent by a 3.2-amp circuit breaker (CB4). Breaker can be reset. If it trips, determine cause of trouble before resetting.

B. 115-V Circuit

This control circuit is protected against overcurrent by a 5.0-amp circuit breaker (CB3). Breaker can be reset. If it trips, determine cause of trouble before resetting.

XII. COMPRESSOR LOCKOUT LOGIC

If any of the safeties trip, the circuit will automatically reset (providing the safety has reset) and restart the compressor in 15 minutes. If any of the safeties trip 3 times within a 90-minute period, then the circuit will be locked out and will require manual resetting by turning off either the unit dis- connect or the control circuit breaker.

XIII. REPLACEMENT PARTS

A complete list of replacement parts may be obtained from any distributor upon request.

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Contents Contents Safety ConsiderationsInstallation Provide Unit Support Roof CurbAlternate Unit Support II. RIG and Place UnitBase Unit Dimensions, 580G240-360 Unit Size Operating Corner WeightBase Unit Dimensions, 580H240-360 Must be in Place When Rigging Unit WeightSpecications Unit 580G,HIII. Field Fabricate Ductwork IV. Unit Duct ConnectionsVII. GAS Piping Flue HoodVI. Trap Condensate Drain Power Wiring Field Power SupplyVIII. Electrical Connections Controls OptionsSIO LEDField Control Wiring Electrical Data Ð 580G,H240-360 Ð13Ð IX. OUTDOOR-AIR Inlet Assembly EconomizerAdding Seal Strip to Mounting Flange Hood Sides Economizer Settings Mounting Angle With Tabs Attached to Filter Track AssemblyEnthalpy Control and Sensor Power EXHAUST/BAROMETRIC Relief Damper Hood Economizer DetailsXI. Accessories Motormaster III Control InstallationLow Ambient Kit Sensor Location PRE-START-UPDIP Switch Conguration DIP Switch Factory SettingsSTART-UP Cooling Section START-UP and Adjustments Checking Cooling Control OperationII. Heating Section START-UP and Adjustments Smoke Control Modes Smoke DetectorIndoor Air Quality Control Time Guard CircuitIV. Indoor Airflow and Airflow Adjustments Evaporator Fan Performance AdjustmentHead Pressure Control Motormaster III ControlNatural Gas Condenser-Fan AdjustmentGAS Valve Adjustment Available External Static Pressure Airflow Fan Performance, 580G240-360 Ð Vertical Discharge UnitsAirflow Air Quantity Limits Fan Performance Ð Power ExhaustMotor Limitations VII. Power Exhaust Operation Care and MaintenanceVI. Main Burners VIII. Head Pressure ControlII. Lubrication ServiceCleaning Spark Gap Adjustment III. Evaporator FAN Service and Replacement IV. EVAPORATOR-FAN Motor ReplacementPower Failure VI. Refrigerant ChargeXIII. Replacement Parts VII. Filter DrierVIII. Thermostatic Expansion Valve TXV IX. Protective DevicesTroubleshooting Control Board LED Alarms II. Error Code SummaryIGC Board Error Code Summary LED Error Description Troubleshooting Blinks Code CommentsSAT I/O Channel Designations Base ModuleTerminal Assignment IGC Control Heating and Cooling AHA IDMIFC IfcbTable a Table BPower Schematic 580G,H240-360 Ð 24 V Control Schematic 580G,H240-360 Component Arrangement 580G,H240-360 Packaged Service Training START-UP Checklist TemperaturesSTART-UP Electrical PressuresGeneral

580G specifications

The Bryant 580G is a high-efficiency gas furnace designed to deliver optimal heating performance while maximizing energy savings. This model stands out in the Bryant product lineup due to its advanced features and robust technology, making it a popular choice for homeowners seeking reliable comfort in colder climates.

One of the key characteristics of the Bryant 580G is its efficiency rating. With an annual fuel utilization efficiency (AFUE) of up to 92.1%, this furnace ensures that a substantial portion of the fuel consumed is converted into heat, minimizing energy waste and reducing utility bills. This high-efficiency performance is particularly beneficial for those looking to lower their environmental footprint and operate a more sustainable home heating system.

The 580G uses a two-stage heating process, which allows it to operate at two levels of output. During mild weather, the furnace can run on a lower setting, providing gentle warmth while conserving energy. When temperatures drop, the system automatically ramps up to a higher output to maintain comfort. This feature not only enhances energy efficiency but also helps to eliminate temperature fluctuations, ensuring consistent warmth throughout the home.

Noise reduction technology is another remarkable aspect of the Bryant 580G. Equipped with a variable speed blower motor, this furnace operates quietly, providing a more peaceful indoor environment. The motor allows for customizable airflow, which further aids in maintaining an even temperature across different rooms and spaces.

The furnace is built with high-quality materials and features a compact design, making it a suitable option for various installation locations. Additionally, it is compatible with Bryant’s EcoNet Smart Home Management System, which enables homeowners to monitor and control their heating system remotely via a smartphone app. This integration enhances convenience and allows for timely adjustments to heating schedules, promoting energy savings.

Safety is a priority with the 580G. It features an integrated safety switch and a reliable flame sensor to ensure safe operation. With its durable construction and thoughtful engineering, the Bryant 580G is designed to withstand the demands of everyday use while providing peace of mind to homeowners.

In summary, the Bryant 580G gas furnace combines high efficiency, advanced technology, and user-friendly features. Its ability to operate quietly, adapt to temperature changes, and integrate with smart home technology makes it a leading choice for efficient home heating solutions. This furnace not only provides comfort but also offers long-term energy savings, making it a smart investment for any household.
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