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Bryant 677C--A installation instructions 677C A, A09068

Models: 677C--A

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--677C A--

A09068

Fig. 15 - 208/230-1-60 Wiring Diagram, Unit 677C--A

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Bryant 677C--A installation instructions 677C A, A09068

Contents

TABLE OF CONTENTS SAFETY CONSIDERATIONSFig. 1 - Unit 677C--A Installation InstructionsRECEIVING AND INSTALLATION INTRODUCTIONStep 1 - Check Equipment Step 2 - Provide Unit SupportFig. 2 - 677C--A24-30Unit Dimensions 677C-- --AA09146 Fig. 3 - 677C--A36-60Unit Dimensions 677C-- --AA09147 Fig. 4 - Roof Curb Dimensions 677CSMALL CURB ROOF CURB DETAILACCESS PANELS MUST BE IN PLACE WHEN RIGGING Step 5 - Rig and Place UnitInspection Rigging/Lifting of Unit See FigStep 7 - Install Flue Hood Step 8 - Install Gas PipingStep 6 - Connect Condensate Drain Fig. 6 - Condensate TrapStep 9 - Install Duct Connections Configuring Units for Downflow Vertical DischargeFig. 7 - Sediment Trap FIRE OR EXPLOSION HAZARDFig. 8 - Supply and Return Duct Opening 677C-- --AHorizontal Duct Covers Table 1 - Physical Data - Unit 677CTable 1 - Physical Data - Unit 677C--ACont’d Table 2 - Maximum Gas Flow CapacityTable 3 - Heating Inputs 677C-- --AStep 10 - Install Electrical Connections Special Procedures for 208-VOperationHigh-VoltageConnections Control Voltage ConnectionsBalance Point Setting-Thermidistator Hybrid PRE-START-UPTransformer Protection ThermostatStep 3 - Start-upHeating and Make Adjust- ments START-UPStep 1 - Check for Refrigerant Leaks Step 2 - Unit Sequence of OperationAdjust Gas Input Fig. 11 - Burner AssemblyCheck Heating Control Check Gas InputAirflow and Temperature Rise Limit SwitchesCheck Burner Flame Normal OperationStep 4 - Start-upCooling and Make Adjust- ments Rollout SwitchChecking and Adjusting Refrigerant Charge Indoor Airflow and Airflow AdjustmentsGas Heating Fan Speed Set-up Continuous Fan OperationTable 6 - Color Coding for Indoor Fan Motor Leads 677C-- --AFig. 14 - Interface Fan Board IFB Table 8 - 677C--AWet Coil Pressure Drop677C-- --A Table 7 - Filter Pressure Drop Table IN. W.C677C-- --A UNIT677C-- --A Heating677C-- --A 1295677C-- --A 1445677C-- --A 1448677C A A09068677C-- --A A09209Fig. 17 - Cooling Charging Table-Subcooling 677C-- --A50VT500173 REV A09099MAINTENANCE Cleaning the Blower Motor and WheelAir Filter Indoor Blower and MotorLimit Switch Induced Draft combustion air Blower AssemblyFig. 18 - Blower Housing and Flue Collector Box Fig. 19 - Unit Access PanelsElectrical Controls and Wiring Outdoor FanRefrigerant Circuit Fig. 20 - Removal of Motor and Blower WheelPage High-PressureSwitch Copeland Scroll Compressor Puron RefrigerantEXPLOSION HAZARD Fig. 24 - Refrigerant CircuitUNIT OPERATION AND SAFETY HAZARD Refrigerant SystemCompressor Oil 677C-- --ATROUBLESHOOTING START-UPCHECKLISTSynthetic Roof Precautionary Procedure Liquid Line Filter DrierSYMPTOM 677C-- --ATable 12 - Troubleshooting Guide-Heating Table 13 - Troubleshooting Guide-LEDStatus Codes677C-- --A TEMPERATURES Remove and Store in Job FilesI. PRELIMINARY INFORMATION MODEL NO PRESSURES