Bryant 577D----A installation instructions Maintenance

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MAINTENANCE

To ensure continuing high performance, and to minimize the possibility of premature equipment failure, periodic maintenance must be performed on this equipment. This packaged unit should be inspected at least once each year by a qualified service person. To troubleshoot unit, refer to Table 9 and 10, Troubleshooting Chart.

NOTE TO EQUIPMENT OWNER: Consult your local dealer about the availability of a maintenance contract.

!WARNING

PERSONAL INJURY AND UNIT DAMAGE HAZARD

Failure to follow this warning could result in personal injury or death and possible unit component damage.

The ability to properly perform maintenance on this equipment requires certain expertise, mechanical skills, tools and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment, other than those procedures recommended in the Owner’s Manual.

!WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow these warnings could result in personal injury or death:

1.Turn off electrical power to the unit and install lockout tag before performing any maintenance or service on this unit.

2.Use extreme caution when removing panels and parts.

3.Never place anything combustible either on or in contact with the unit.

!CAUTION

UNIT OPERATION HAZARD

Failure to follow this caution may result in equipment damage or improper operation.

Errors made when reconnecting wires may cause improper and dangerous operation. Label all wires prior to disconnecting when servicing.

The minimum maintenance requirements for this equipment are as follows:

1.Inspect air filter(s) each month. Clean or replace when necessary.

2.Inspect indoor coil, drain pan, and condensate drain each cooling season for cleanliness. Clean when necessary.

3.Inspect indoor fan motor and wheel for cleanliness each cooling season. Clean when necessary.

4.Check electrical connections for tightness and controls for proper operation each cooling season. Service when necessary.

5.Check for restrictions on inducer outlet. Clean flue hood.

6.Inspect burner compartment before each heating season for rust, corrosion, soot or excessive dust.

7.Inspect all accessories. Perform any service or maintenance to the accessories as recommended in the accessory instructions.

Air Filter

IMPORTANT: Never operate the unit without a suitable air filter in the return-air duct system. Always replace the filter with the same dimensional size and type as originally installed. See Table 1 for recommended filter sizes.

Inspect air filter(s) at least once each month and replace (throwaway-type) or clean (cleanable-type) at least twice during each cooling season and twice during the heating season, or whenever the filter becomes clogged with dust and lint.

Indoor Fan and Motor

NOTE: All motors are pre-lubricated. Do not attempt to lubricate these motors.

For longer life, operating economy, and continuing efficiency, clean accumulated dirt and grease from the blower wheel and motor annually.

Inducer Blower

NOTE: All motors are pre-lubricated. Do not attempt to lubricate these motors.

Clean periodically to assure proper airflow and heating efficiency. Inspect blower wheel every fall and periodically during the heating season. For the first heating season, inspect blower wheel bi-monthly to determine proper cleaning frequency.

Limit Switch

Remove unit access panel to gain access to the limit switch. The limit switch is located above the indoor blower housing.

NOTE: On small chassis units, a second limit switch is located beside the indoor blower housing.

Burner Ignition

Unit is equipped with a direct spark ignition 100 percent lockout system. Ignition module is located in the control box. Refer to additional information in the Start-Up & Troubleshooting section for Status Code information.

Main Burners

At the beginning of each heating season, inspect for deterioration or blockage due to corrosion or other causes. Observe the main burner flames and adjust, if necessary.

!CAUTION

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage or improper operation.

When servicing gas train, do not hit or plug orifice spuds.

Removal of Gas Train

To remove the gas train for servicing:

1.Shut off main gas valve.

2.Shut off power to unit and install lockout tag.

3.Remove control access panel (See Fig. 24).

4.Disconnect gas piping at unit gas valve.

5.Remove fan partition mounting bracket (2 screws located on the left side of control compartment on the fan partition panel). Slide bracket forward, bottom first, to remove. (See Fig. 25.)

6.Remove wires connected to gas valve. Mark each wire.

7.Remove the mounting screw that attaches the burner rack to the unit base (See Fig. 25).

577D-- -- A

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Contents Table of Contents Installation InstructionsCheck Equipment Safety ConsiderationsReceiving and Installation IntroductionUnit Falling Hazard Provide ClearancesRig and Place Unit UNIT/STRUCTURAL Damage HazardCPRFCURB012A00 SizeCPRFCURB010A00 CPRFCURB011A00577D--A24-30 Unit Dimensions 577D--A36-60 Unit Dimensions Physical Data Unit 577D--A Indoor FAN Physical Data Con’t Unit 577D--ACabinet Model Rigging Weight Select and Install DuctworkPersonal Injury Hazard Supply and Return Duct Opening Provide for Condensate DisposalInstall Gas Piping Install Flue HoodCarbon Monoxide Poisoning Hazard Fire or Explosion Hazard Install Electrical ConnectionsUnit Component Damage Hazard Humidifier Connections Outdoor Air Temperature Sensor OATElectronic Air Cleaner Maximum Gas Flow CapacityTypical Installation Control Plate FIRE, EXPLOSION, Electrical Shock and Environmental Hazard Unit Start-Up and TroubleshootingPRE-START-UP START-UPFurnace Control Troubleshooting Indoor Fan Motor Troubleshooting577D a A10217L A10219C A10219L HP/AC Control Troubleshooting Unit Operation Hazard Sequence of OperationHeat Pump/Air Conditioner Board Status Codes Air Delivery and Temperature Rise at Rated Heating InputUnit Damage Hazard Dehumidification ModeEvolution Controlled LOW Ambient Cooling Check GAS Input Natural GASCanada Fire and Unit Damage HazardU.S.A Altitude Derate Multiplier for U.S.ACheck Burner Flame Check GAS Input Propane GASCheck for Refrigerant Leaks Start-Up AdjustmentsECM Wet Coil Pressure Drop IN. W.C Heating InputsFilter Pressure Drop Table IN. W.C Cooling Charging Table-Subcooling Maintenance Outdoor Fan Inducer Pressure SwitchElectrical Controls and Wiring Outdoor Coil, Indoor Coil, and Condensate Drain PanCopeland Scroll Compressor Puron Refrigerant Pressure Switches Refrigerant CircuitRefrigerant Circuit Indoor AirflowTroubleshooting Final Checks Care and Maintenance Observe all warnings, cautions, and bold text Symptom Cause Remedy Troubleshooting Chart CoolingBurners will not ignite Troubleshooting Chart Gas Furnace OperationIII. START-UP Electrical Supply Voltage Compressor Amps START-UP ChecklistTemperatures Preliminary Information Model no

577D----A specifications

The Bryant 577D----A is a highly regarded model in the HVAC industry, representing a blend of efficiency, performance, and advanced technology. This heating and cooling unit is designed to cater to a variety of residential and light commercial applications, making it a versatile choice for consumers looking to enhance their indoor climate control systems.

One of the standout features of the Bryant 577D----A is its impressive energy efficiency rating. With a Seasonal Energy Efficiency Ratio (SEER) typically exceeding 14, this model is engineered to reduce energy consumption, helping homeowners lower their utility bills while minimizing environmental impact. The unit also employs a two-stage cooling system, which not only improves comfort by maintaining more consistent temperatures but also provides enhanced dehumidification during hotter months.

The technology used in the Bryant 577D----A is noteworthy. The unit incorporates a variable-speed compressor that adapts to the specific cooling or heating needs of the space, ensuring optimal performance at all times. This advanced feature not only contributes to energy savings but also allows for quieter operation compared to single-stage systems. The inclusion of a smart thermostat integration further enhances convenience, enabling users to manage their HVAC system remotely and optimize settings according to their schedules.

Additional characteristics of the Bryant 577D----A include a durable construction designed to withstand various environmental conditions. The cabinet is made from quality materials that protect against corrosion and other factors that could affect the unit's longevity. Furthermore, the unit operates quietly, thanks to sound-dampening technologies, which is a significant advantage for residential areas where noise can be a concern.

Maintenance is also simplified with the Bryant 577D----A, as it is equipped with self-diagnostics for easy troubleshooting. This feature alerts users to potential issues before they escalate, promoting efficient operation and prolonging the lifespan of the system.

In conclusion, the Bryant 577D----A stands out as a superior choice for those seeking reliability and efficiency in their HVAC solutions. With its energy-efficient operation, advanced technologies, and robust construction, it serves as a valuable investment for homeowners committed to comfort and sustainability.
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