Bryant 677C--A installation instructions Cooling Charging Table-Subcooling

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677C-- -- A

50VT500173 REV 4.0

A09099

Fig. 17 - Cooling Charging Table-Subcooling

Image 26

Contents Table of Contents Safety ConsiderationsReceiving and Installation Introduction677C--A24-30 Unit Dimensions 677C--A36-60 Unit Dimensions CPRFCURB011A00 Unit SizeCPRFCURB010A00 CPRFCURB012A00Rigging/Lifting of Unit See Fig Rig and Place UnitInspection Connect Condensate Drain Install Flue HoodInstall Gas Piping Carbon Monoxide Poisoning HazardFire or Explosion Hazard Install Duct ConnectionsConfiguring Units for Downflow Vertical Discharge CFM CompressorsRefrigerant Metering Furnace SectionHeating Inputs Physical Data Unit 677C--A Cont’dMaximum Gas Flow Capacity High-Voltage Connections Install Electrical ConnectionsSpecial Procedures for 208-V Operation Control Voltage ConnectionsTransformer Protection Balance Point Setting-Thermidistat or Hybrid ThermostatPRE-START-UP FIRE, EXPLOSION, Electrical Shock HazardCheck for Refrigerant Leaks Start-up Heating and Make Adjust- mentsSTART-UP Unit Sequence of OperationCheck Gas Input Adjust Gas InputCheck Heating Control Unit Damage HazardCheck Burner Flame Airflow and Temperature RiseLimit Switches Normal OperationChecking and Adjusting Refrigerant Charge Start-up Cooling and Make Adjust- mentsRollout Switch Indoor Airflow and Airflow AdjustmentsContinuous Fan Operation Two Cooling Fan Speeds Set-up Dehumidification feature usedGas Heating Fan Speed Set-up Color Coding for Indoor Fan Motor Leads677C--A Wet Coil Pressure Drop Filter Size CFMUnit Heating Motor Wire Rise Speed Color Range1505 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 Air Filter MaintenanceCleaning the Blower Motor and Wheel Indoor Blower and MotorBurner Ignition Limit SwitchInduced Draft combustion air Blower Assembly Flue Gas PassagewaysRefrigerant Circuit Electrical Controls and WiringOutdoor Fan EXPLOSION, Personal Injury and Environmental HazardGas Input Pressure SwitchesLoss of Charge Switch Indoor AirflowExplosion Hazard High-Pressure SwitchCopeland Scroll Compressor Puron Refrigerant Compressor Oil Unit Operation and Safety HazardRefrigerant System Servicing Systems on Roofs and with Synthetic materialsPuronr R-410A Quick Reference Guide TroubleshootingSTART-UP Checklist Troubleshooting Guide Cooling or Heat Pump Heating Mode Symptom Cause RemedyLED OFF Troubleshooting Guide-HeatingTroubleshooting Guide-LED Status Codes Preliminary Information Model no TemperaturesRemove and Store in Job Files III. START-UP Electrical Supply Voltage Compressor Amps