Bryant 677C--A installation instructions Table of Contents, Safety Considerations

Page 1

677C--A

PREFERREDt 14 SEER SINGLE-PACKAGED HYBRID HEATr DUAL FUEL SYSTEM WITH PURONr (R-410A) REFRIGERANT SINGLE AND THREE PHASE

2-5 NOMINAL TONS (SIZES 24-60)

Installation Instructions

NOTE: Read the entire instruction manual before starting the installation.

NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation.

TABLE OF CONTENTS

 

 

PAGE

SAFETY CONSIDERATIONS

. . . 1

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

. . . 2

Field Fabricate Ductwork

. . . 2

Provide Clearances

. . . 2

Rig and Place Unit

. . . 6

Connect Condensate Drain

. . . 7

Install Flue Hood

. . . 7

Install Gas Piping

. . . 7

Install Duct Connections

. . . 8

Configuring Units for Downflow (Vertical)

 

Discharge

. . . 8

Install Electrical Connections

. . 11

High-Voltage Connections

. . 11

Special Procedures for 208-V Operation

. . 11

Control Voltage Connections

. . 11

Balance Point Setting Thermidistat or Hybrid Heat

 

Thermostat

. . 12

Transformer Protection

. . 12

PRE-START-UP

. . 12

START-UP

13-17

Check for Refrigerant Leaks

. . 13

Unit Sequence of Operation

. . 13

Start-Up Heating and Make Adjustments

. . 13

Checking Heating Control

. . 14

Check Gas Input

. . 14

Adjust Gas Input

. . 14

Check Burner Flame

. . 15

Start-Up Cooling and Make Adjustments

. . 16

Checking Cooling Control Operation

. . 16

Checking and Adjusting Refrigerant

. . 16

Indoor Airflow and Airflow Adjustments

. . 16

Continuous Fan Operation

. . 17

MAINTENANCE

27-33

Air Filter

. . 27

Indoor Blower and Motor

. . 27

Flue Gas Passageways

. . 28

Limit Switch

. . 28

Burner Ignition

. . 28

Main Burners

. . 28

Outdoor Coil, Indoor Coil, & Condensate Drain Pan . . . .

. . 28

A09042

Fig. 1 - Unit 677C--A

Outdoor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . . . 29

Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Gas Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Check Defrost Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

PuronR Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.

Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. consult local building codes, the current editions of the National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code (NEC) NFPA 70.

In Canada refer to the current editions of the National Standards of Canada CAN/CSA-B149.1 and .2 Natural Gas and Propane Installation codes, and Canadian Electrical Code CSA C22.1

Recognize safety information. This is the safety-alert symbol . When you see this symbol on the unit and in instructions or manu- als, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury

1

Page 1 Page 2
Image 1
Page 1 Page 2
Contents Safety Considerations Table of ContentsIntroduction Receiving and Installation677C--A24-30 Unit Dimensions 677C--A36-60 Unit Dimensions CPRFCURB010A00 Unit SizeCPRFCURB011A00 CPRFCURB012A00Inspection Rig and Place UnitRigging/Lifting of Unit See Fig Install Gas Piping Install Flue HoodConnect Condensate Drain Carbon Monoxide Poisoning HazardConfiguring Units for Downflow Vertical Discharge Install Duct ConnectionsFire or Explosion Hazard Refrigerant Metering CompressorsCFM Furnace SectionMaximum Gas Flow Capacity Physical Data Unit 677C--A Cont’dHeating Inputs Special Procedures for 208-V Operation Install Electrical ConnectionsHigh-Voltage Connections Control Voltage ConnectionsPRE-START-UP Balance Point Setting-Thermidistat or Hybrid ThermostatTransformer Protection FIRE, EXPLOSION, Electrical Shock HazardSTART-UP Start-up Heating and Make Adjust- mentsCheck for Refrigerant Leaks Unit Sequence of OperationCheck Heating Control Adjust Gas InputCheck Gas Input Unit Damage HazardLimit Switches Airflow and Temperature RiseCheck Burner Flame Normal OperationRollout Switch Start-up Cooling and Make Adjust- mentsChecking and Adjusting Refrigerant Charge Indoor Airflow and Airflow AdjustmentsGas Heating Fan Speed Set-up Two Cooling Fan Speeds Set-up Dehumidification feature usedContinuous Fan Operation Color Coding for Indoor Fan Motor LeadsFilter Size CFM 677C--A Wet Coil Pressure DropRise Speed Color Range Unit Heating Motor Wire1505 1452 1413 1358 1323 1282 1234 1169 1130 25 55oF Heating 1962 1915 1880 1843 1794 1753 1711 1675 1628 35 65oF Heating 1962 1915 1880 1843 1794 1753 1711 1675 1628 30 60oF Heating 1887 1847 1783 1726 1677 1625 1578 1527 1432 30 60oF Heating 677C a 208/230-3-60 Wiring Diagram, Unit 677C--A Cooling Charging Table-Subcooling Cleaning the Blower Motor and Wheel MaintenanceAir Filter Indoor Blower and MotorInduced Draft combustion air Blower Assembly Limit SwitchBurner Ignition Flue Gas PassagewaysOutdoor Fan Electrical Controls and WiringRefrigerant Circuit EXPLOSION, Personal Injury and Environmental HazardLoss of Charge Switch Pressure SwitchesGas Input Indoor AirflowCopeland Scroll Compressor Puron Refrigerant High-Pressure SwitchExplosion Hazard Refrigerant System Unit Operation and Safety HazardCompressor Oil Servicing Systems on Roofs and with Synthetic materialsSTART-UP Checklist TroubleshootingPuronr R-410A Quick Reference Guide Symptom Cause Remedy Troubleshooting Guide Cooling or Heat Pump Heating ModeTroubleshooting Guide-LED Status Codes Troubleshooting Guide-HeatingLED OFF Remove and Store in Job Files TemperaturesPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor Amps
Top Page Image Contents