Bryant 581A operation manual START-UP Checklist, Electrical, Temperatures, Pressures, General

Page 56

START-UP CHECKLIST

MODEL NO.: ___________________________________________

SERIAL NO.: ______________________________________________

DATE: _________________________________________________

TECHNICIAN:_____________________________________________

I. PRE-START-UP:

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

VERIFY INSTALLATION OF OUTDOOR AIR HOOD

VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS

VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT

VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE

CHECK GAS PIPING FOR LEAKS

CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE

CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE

VERIFY THAT UNIT IS LEVEL

CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SETSCREW IS TIGHT

VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED

VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION

VERIFY INSTALLATION OF THERMOSTAT

￿VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS

CUT ALONG DOTTED LINE

II. START-UP

ELECTRICAL

 

 

 

 

 

 

 

 

 

 

 

SUPPLY VOLTAGE

L1-L2

 

 

L2-L3

 

L3-L1

 

 

COMPRESSOR AMPS — COMPRESSOR A1

 

L1

 

L2

 

L3

 

— COMPRESSOR B1

 

L1

 

L2

 

L3

 

— COMPRESSOR C1

 

L1

L2

L3

 

(210,240 ONLY)

 

 

 

 

 

 

 

 

SUPPLY FAN AMPS

___________

 

 

 

 

 

 

 

 

 

 

TEMPERATURES

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR-AIR TEMPERATURE

 

 

F DB (Dry Bulb)

 

 

 

RETURN-AIR TEMPERATURE

 

 

F DB

 

 

F WB (Wet Bulb)

 

COOLING SUPPLY AIR

 

 

F

 

 

 

GAS HEAT SUPPLY AIR

 

 

F

 

 

 

PRESSURES

 

 

 

 

 

GAS INLET PRESSURE

 

IN. WG

 

 

 

GAS MANIFOLD PRESSURE STAGE NO. 1

 

IN. WG

STAGE NO. 2

 

IN. WG

REFRIGERANT SUCTION CIRCUIT A

 

PSIG

 

 

 

CIRCUIT B

 

PSIG

 

 

 

CIRCUIT C

 

PSIG (210,240 ONLY)

 

 

 

REFRIGERANT DISCHARGE CIRCUIT A

 

PSIG

 

 

 

CIRCUIT B

 

PSIG

 

 

 

CIRCUIT C

 

PSIG (210,240 ONLY)

 

 

 

VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGE 40

￿GENERAL

ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS

CUT ALONG DOTTED LINE

Copyright 2005 Bryant Heating & Cooling Systems

CL-1

Printed in U.S.A.

CATALOG NO. 04-53581005-01

Image 56
Contents Installation Provide Unit Support ContentsSafety Considerations 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 Vertical Configuration IV. Field Fabricate DuctworkMake Unit Duct Connections Horizontal ApplicationsVII. Trap Condensate Drain VI. Install Flue Hood and Inlet HoodVIII. Install GAS Piping IX. Make Electrical Connections Field Power SupplyField Control Wiring 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 DisconnectIII. Refrigerant Service Ports VI. Internal WiringPRE-START-UP START-UPVIII. Condenser Fans and Motors IX. RETURN-AIR FiltersOUTDOOR-AIR Inlet Screens 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 LimitsAccessory/FIOP Static Pressure in. wg Fan Rpm at Motor Pulley SettingsEconoMi$er IV Controller Wiring and Operational Modes XII. Optional ECONOMI$ERSupply-Air Temperature Sensor Location EconoMi$er IV Component Locations Exploded ViewEconoMi$er IV Wiring Enthalpy Changeover Set Points Page Cooling, Units Without Economizer CO2 Sensor Standard SettingsXII. Operating Sequence Service Cleaning Coil Maintenance and Cleaning RecommendationHeating, Units Without Economizer Cooling, Units With EconoMi$erCondensate Drain FiltersOutdoor-Air Inlet Screens Main BurnerIII. Evaporator FAN Service and Replacement II. LubricationIV. Evaporator FAN Performance Adjustment Belt Tension AdjustmentBelt Tension Adjustment VI. CONDENSER-FAN Adjustment FigVIII. Refrigerant Charge VII. Power FailureIX. GAS Valve Adjustment XII. Protective Devices Main BurnersXI. Filter Drier XIV. Control Circuit XV. Replacement PartsXIII. Relief Devices Low Voltage Control Schematic Low Voltage Control Schematic Power Schematic Component Arrangement Troubleshooting Unit Troubleshooting Cooling Service AnalysisHeating Service Analysis Problem Cause RemedyIGC Control Heating and Cooling II. ECONOMI$ER IV Troubleshooting EconoMi$er IV Troubleshooting Completion EconoMi$er IV Input/Output LogicCopyright 2005 Bryant Heating & Cooling Systems Catalog no Page Page Page START-UP Checklist TemperaturesElectrical 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.