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Bryant installation instructions 677C--A24-30Unit Dimensions, 677C-- --A, A09146

Models: 677C--A

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677C-- -- A

A09146

Fig. 2 - 677C--A24-30 Unit Dimensions

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Bryant installation instructions 677C--A24-30Unit Dimensions, 677C-- --A, A09146

Contents

Installation Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS Fig. 1 - Unit 677C--AStep 2 - Provide Unit Support RECEIVING AND INSTALLATIONINTRODUCTION Step 1 - Check EquipmentFig. 2 - 677C--A24-30Unit Dimensions 677C-- --AA09146 Fig. 3 - 677C--A36-60Unit Dimensions 677C-- --AA09147 ROOF CURB DETAIL Fig. 4 - Roof Curb Dimensions677C SMALL CURBRigging/Lifting of Unit See Fig ACCESS PANELS MUST BE IN PLACE WHEN RIGGINGStep 5 - Rig and Place Unit InspectionFig. 6 - Condensate Trap Step 7 - Install Flue HoodStep 8 - Install Gas Piping Step 6 - Connect Condensate DrainFIRE OR EXPLOSION HAZARD Step 9 - Install Duct ConnectionsConfiguring Units for Downflow Vertical Discharge Fig. 7 - Sediment TrapTable 1 - Physical Data - Unit 677C Fig. 8 - Supply and Return Duct Opening677C-- --A Horizontal Duct Covers677C-- --A Table 1 - Physical Data - Unit 677C--ACont’dTable 2 - Maximum Gas Flow Capacity Table 3 - Heating InputsControl Voltage Connections Step 10 - Install Electrical ConnectionsSpecial Procedures for 208-VOperation High-VoltageConnectionsThermostat Balance Point Setting-Thermidistator HybridPRE-START-UP Transformer ProtectionStep 2 - Unit Sequence of Operation Step 3 - Start-upHeating and Make Adjust- mentsSTART-UP Step 1 - Check for Refrigerant LeaksCheck Gas Input Adjust Gas InputFig. 11 - Burner Assembly Check Heating ControlNormal Operation Airflow and Temperature RiseLimit Switches Check Burner FlameIndoor Airflow and Airflow Adjustments Step 4 - Start-upCooling and Make Adjust- mentsRollout Switch Checking and Adjusting Refrigerant Charge677C-- --A Gas Heating Fan Speed Set-upContinuous Fan Operation Table 6 - Color Coding for Indoor Fan Motor LeadsTable 7 - Filter Pressure Drop Table IN. W.C Fig. 14 - Interface Fan Board IFBTable 8 - 677C--AWet Coil Pressure Drop 677C-- --AUNIT 677C-- --AHeating 677C-- --A1295 677C-- --A1445 677C-- --A1448 677C-- --AA09068 677C AA09209 677C-- --AA09099 Fig. 17 - Cooling Charging Table-Subcooling677C-- --A 50VT500173 REVIndoor Blower and Motor MAINTENANCECleaning the Blower Motor and Wheel Air FilterFig. 19 - Unit Access Panels Limit SwitchInduced Draft combustion air Blower Assembly Fig. 18 - Blower Housing and Flue Collector BoxFig. 20 - Removal of Motor and Blower Wheel Electrical Controls and WiringOutdoor Fan Refrigerant CircuitPage Fig. 24 - Refrigerant Circuit High-PressureSwitchCopeland Scroll Compressor Puron Refrigerant EXPLOSION HAZARD677C-- --A UNIT OPERATION AND SAFETY HAZARDRefrigerant System Compressor OilLiquid Line Filter Drier TROUBLESHOOTINGSTART-UPCHECKLIST Synthetic Roof Precautionary Procedure677C-- --A SYMPTOMTable 12 - Troubleshooting Guide-Heating Table 13 - Troubleshooting Guide-LEDStatus Codes677C-- --A PRESSURES TEMPERATURESRemove and Store in Job Files I. PRELIMINARY INFORMATION MODEL NO