Bryant 677C--A installation instructions

Contents

Main Installation Instructions TABLEOF CO NTENTS SAFETY CONSIDERATIONS INTRODUCTION RECEIVING AND INSTALLATION Step 1 CheckEquipment Step 2 ProvideUnit Support Step 3 FieldFabricate Ductwork Page Page C LARGE CURB B D A F CAUTION - NOTICE TO RIGGERS PRUDENCE - AVIS AUX MANIPULATEUR Use top skid as spreader bar. / Utiliser la palette du haut comme barre de rpartition 677C---- A Step 5 Rig and PlaceUnit Inspection Step 6 ConnectCondensate Drain Step 7 InstallFlue Hood Step 8 InstallGas Piping 677C---- A Step 9 InstallDuct Connections Configuring Units for Downflow (Vertical) Discha rge Table1 PhysicalData -- Unit677C ----A Fig.9 --Vertical (Downflow)Discharge Duct Knockouts Fig.8 -- Supply and Return DuctOpening Horizontal Duct Covers INSTRUCTIONS FOR REMOVING DOWNSHOT PANELS Table1 --Physical Data --Unit677C----AContd) Table2 Maximum GasFlow Capacity* ORIFICES SURE PRES Step 10 Install Electrical Connection s High--Voltage Connections SpecialProcedures for 208--VOperation ControlVoltage Connections Balance Point Setting--Thermidistat or Hybrid Thermostat PRE-- START--UP START--UP Step 1 Check for Refrigerant Leaks Step 2 Unit Sequenceof Operation 677C----ASequence of Operation Heating Sequence of Operation CheckHeating Control CheckGas Input Adjust Gas Input CheckBurner Flame Normal Operation Airflowand Temperature Rise Limit Switches RolloutSwitch Step 4 Start--up Cooling and Make Adjust- ments Checking Cooling ControlOperation Checkingand Adjusting Refrigerant Charge Indoor Airflow and Airflow Adjustments GasHeating Fan Speed Set-up Single Cooling Fan Speed Set-up (Dehumidification feature notuse d) TwoCooling Fan Speeds Set-up (Dehumidification feature used) Continuous Fan Operation P3 SDL Fig.14 -- InterfaceFan Board (IFB) Table7 F ilter PressureD rop Table (IN. W.C.) Table8 677C----AWetCoil PressureDrop Table9 Wet Coil Air Delivery - Down flow --High Speed with 1 --in.Filter and Econom izer Table10 Dry Coil AirDelivery* --Horizontal and DownflowDischarge --Unit 677C----A24--60 Page Page Page Page Page Page Page MAINTENANCE Air Filter IndoorBl ower andMotor Compressor Access Panel Blower Access Panel InducedDraft (combustion air) Blower Assembly FlueGas Passageways Limit Switch BurnerIgnit ion MainBurners Outdoor Fan ElectricalControls and Wiring Refrigerant Circuit GasInput OF2 IndoorAir flow Y C DFT Check Defrost Thermostat Page LEGEND HPS High Pressure Switch LCS Loss of Charge Switch Accurater Metering De vice Arrow indicates direction of flo w TROUBLESHOOTING START--UP CHECKLIST Table11 TroubleshootingGuide --Cooling orHeat Pump Heating Mode Table12 TroubleshootingGuideHeating Table13 TroubleshootingGuideLED StatusCodes