Bryant 577D----A installation instructions Installation Instructions, Table of Contents

Page 1

577D--A EVOLUTIONR

15SEER SINGLE-PACKAGED AIR CONDITIONER AND GAS FURNACE SYSTEM WITH PURONR (R-410A) REFRIGERANT

SINGLE PHASE

2-5 NOMINAL TONS (SIZES 24-60)

Installation Instructions

!CAUTION

EQUIPMENT OPERATION HAZARD

Failure to follow this caution may result in improper unit operation.

OAT sensor must be field installed. See Accessory Installation for more details.

!CAUTION

EQUIPMENT OPERATION HAZARD

Failure to follow this caution may result in improper unit operation.

This Evolutionr unit is designed for use with an Evolution User Interface.

NOTE: Read the entire instruction manual before starting the

installation.

 

TABLE OF CONTENTS

 

 

PAGE

SAFETY CONSIDERATIONS

. . . . 2

INTRODUCTION

. . . . 2

RECEIVING AND INSTALLATION

. 2-13

Check Equipment

. . . . 2

Identify Unit

. . . . 2

Inspect Shipment

. . . . 2

Provide Unit Support

. . . . 2

Roof Curb

. . . . 2

Slab Mount

. . . . 3

Provide Clearances

. . . . 3

Rig and Place Unit

. . . . 3

Inspection

. . . . 3

Rigging/Lifting of Unit

. . . . 9

Select and Install Ductwork

. . . . 9

Configuring Units for Downflow (Vertical) Discharge

. . . 10

Provide for Condensate Disposal

. . . 10

Install Flue Hood

. . . 11

Install Gas Piping

. . . 11

Install Electrical Connections

. . . 12

High-Voltage Connections

. . . 12

Routing Power Leads Into Unit

. . . 12

Connecting Ground Lead to Ground Screw

. . . 12

Routing Control Power Wires

. . . 13

Accessory Installation

. . . 13

Special Procedures for 208-v Operation

. . . 13

PRE-START-UP

. . . 16

START-UP

16-29

Unit Start-Up and Troubleshooting

. . . 16

Sequence of Operation

. . . 23

Check for Refrigerant Leaks

. . . 28

Start-Up Adjustments

. . . 28

A09032

Fig. 1 - Unit 577D--A

Checking Cooling and Heating Control Operation . . . . . . 28 Checking and Adjusting Refrigerant Charge . . . . . . . . . . . 28 Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 No Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Low Charge Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 To Use Cooling Charging Charts . . . . . . . . . . . . . . . . . . . . 29

Non-Communicating Emergency Cooling/Heating Mode . . 29 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-34 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Indoor Fan and Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Inducer Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Limit Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Burner Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Main Burners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Inducer Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Outdoor Coil, Indoor Coil, and Condensate Drain Pan . . . . . 32 Outdoor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . . . 32 Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Pressure Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Loss-of-Charge Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 High-Pressure Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Copeland Scroll Compressor (Puron® Refrigerant) . . . . . . . . 33 Refrigerant System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Servicing Systems on Roofs with Synthetic Materials . . . . 33 Liquid-Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Puron (R-410A) Refrigerant Charging . . . . . . . . . . . . . . . 34 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 FINAL CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 35 START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

1

Page 1 Page 2
Image 1
Page 1 Page 2
Contents Table of Contents Installation InstructionsReceiving and Installation Safety ConsiderationsIntroduction Check EquipmentRig and Place Unit Provide ClearancesUNIT/STRUCTURAL Damage Hazard Unit Falling HazardCPRFCURB010A00 SizeCPRFCURB011A00 CPRFCURB012A00577D--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 Electronic Air Cleaner Outdoor Air Temperature Sensor OATMaximum Gas Flow Capacity Humidifier ConnectionsTypical Installation Control Plate PRE-START-UP Unit Start-Up and TroubleshootingSTART-UP FIRE, EXPLOSION, Electrical Shock and Environmental HazardFurnace 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 InputEvolution Controlled LOW Ambient Cooling Dehumidification ModeCheck GAS Input Natural GAS Unit Damage HazardU.S.A Fire and Unit Damage HazardAltitude Derate Multiplier for U.S.A CanadaCheck 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 Electrical Controls and Wiring Inducer Pressure SwitchOutdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor FanRefrigerant Circuit Pressure Switches Refrigerant CircuitIndoor Airflow Copeland Scroll Compressor Puron RefrigerantTroubleshooting 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 OperationTemperatures START-UP ChecklistPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor Amps

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.
Top Page Image Contents