Carrier 48TCD08 appendix* 48TC Typical Unit Wiring Diagram Power D08, 208/230-3-60

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48TC

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Fig. 84 - 48TC Typical Unit Wiring Diagram - Power (D08, 208/230-3-60)

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Contents Safety Considerations Table of ContentsGeneral Unit Arrangement and AccessWhat to do if you smell gas Seasonal Maintenance Routine MaintenanceSupply Fan Belt-Drive Supply FAN Blower SectionManual Outside Air Hood Screen Supply-Fan Pulley Adjustment Bearings Adjustable-Pitch Pulley on MotorCondenser Coil Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse CoolingRoutine Cleaning of Evaporator Coil Sufaces Routine Cleaning of Novation Condenser Coil SurfacesPuronr R-410A Refrigerant Refrigerant System Pressure Access PortsRefrigerant Charge Seatcore Cooling Charging Charts D08 Cooling Charging ChartsCooling Charging Charts D12 Cooling Charging Charts D14 Circuit a Cooling Charging Charts D14 Circuit B Problem Cause Remedy Cooling Service AnalysisCompressors Condenser-Fan Adjustment D08-D12 sizeCondenser-Fan Adjustment D14 size Troubleshooting Cooling SystemDuty Cycle Non-Powered TypeUnit-Powered Type Convenience OutletsSmoke Detectors Typical Supply Air Smoke Detector Sensor Location Smoke Detector LocationsFiop Smoke Detector Wiring and Response Completing Installation of Return Air Smoke SensorSensor and Controller Tests Sensor Alarm TestSensor Alarm Test Procedure Controller Alarm TestTo Configure the Dirty Sensor Test Operation Controller Alarm Test ProcedureDirty Controller Test Procedure Dirty Sensor Test ProcedureDirty Sensor Test Using an SD-TRK4 Detector CleaningSD-TRK4 Remote Alarm Test Procedure Remote Test/Reset Station Dirty Sensor TestTroubleshooting Compressor Protection Protective DevicesControl Circuit GAS Heating SystemFuel Types and Pressures Combustion-Air Blower Flue Gas PassagewaysMain Burners Burners and IgnitersCheck Unit Operation and Make Necessary Adjustments Cleaning and AdjustmentLimit Switch LED Indication Error Code Description LED Error Code DescriptionBurner Ignition Gas Valve Orifice ReplacementOutputs Integrated Gas Control IGC Board IGC ConnectionsElevation Orifice SizesAltitude Compensation Orifice Carrier Drill Drill Size Part NumberProblem Cause Remedy Troubleshooting Heating SystemMinimum Heating Entering Air Temperature Heating Service AnalysisIGC IGC Board LED Alarm CodesRepairing Novation Condenser Tube Leaks Condenser Coil ServiceReplacing Novation Condenser Coil PREMIERLINKt Control Typical PremierLinkt System Control Wiring Diagram Temp Resistance 55 Space Temperature Sensor WiringTB1 Terminal Field Connection Input Signal Space Sensor ModePremierLink Sensor Usage 56 Internal Connections Thermostat ModeLctb Indoor CO2 Sensor 33ZCSENCO2 Connections PremierLink Filter Switch Connection Color Code Recommendations Signal Type CCN BUS Wire CCN Plug PIN Color NumberRTU-MP Control System Recommended CablesRTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram Type of I/O Connection PIN Name Numbers Inputs Configurable InputsRTU-MP Controller Inputs and Outputs Point NameRTU-MP T-55 Sensor Connections Space Temperature SPT SensorsRTU-MP / Indoor CO2 Sensor 33ZCSENCO2 Connections Power Exhaust output Connecting Discrete InputsCommunication Wiring Protocols RTU-MP Troubleshooting LEDs BACview6 Handheld ConnectionsTroubleshooting Alarms BACnet MS/TP AlarmsModule Status Report Modstat Example Code Name Meaning Basic Protocol TroubleshootingModbus Manufacture DateEconoMi$er IV Component Locations ECONOMI$ER SystemsEconoMi$er IV Wiring EconoMi$er IV Input/Output Logic EconoMi$erInputs Outputs Outdoor Dry Bulb Changeover Supply Air Temperature SAT SensorOutdoor Air Lockout Sensor EconoMi$er IV Control ModesOutdoor Enthalpy Changeover Differential Dry Bulb ControlIndoor Air Quality IAQ Sensor Input Exhaust Setpoint AdjustmentMinimum Position Control Thermostats Damper MovementDemand Control Ventilation DCV CO2 Sensor Standard Settings CO2 Sensor ConfigurationAnalog CO2 Differential Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Sensor Usage EconoMi$er IV PreparationSupply-Air Sensor Input Wiring DiagramsEconoMi$er IV Troubleshooting Completion DCV Minimum and Maximum Position48TC Typical Unit Wiring Diagram Power D08, 208/230-3-60 48TC Typical Unit Wiring Diagram Control D08, 208/230-3-60 Gas Piping PRE-START-UPSTART-UP, General Unit PreparationOutdoor-Air Inlet Screens Internal WiringRefrigerant Service Ports Return-Air FiltersPerform System Check-Out Field Service TestSTART-UP, RTU-MP Control Ventilation Continuous FanConfiguration Heating Lockout Temp Cooling/Econ SAT Low SetptCooling Lockout Temp Heating Heating SAT High SetptIAQ High Reference @ 20mA Power Exhaust SetptT55/56 Override Duration IAQ Low Reference @ 4mAOperating Sequences PremierLinkt Control Supplemental Controls48TC 48TC Number Stages Economizer Available Cooling Stages48TC 48TC Linkage Modes Rooftop Mode Value Linkage ModeScheduling Loadshed Command Gas and Electric Heat UnitsAlways Occupied Default Occupancy RTU-MP Sequence of OperationIndoor Fan BACnet ScheduleBAS On/Off DI On/OffIndoor Air Quality Power ExhaustFastener Torque Values EconomizerTorque Values Position Number Typical Designates Appendix I. Model Number SignificanceModel Number Nomenclature Serial Number FormatPhysical Data Appendix II. Physical Data12.5TONS Natural Gas Heat, Liquid Propane Heat Heat Anticipator Setting AmpsPhysical Data Heating 12.5TONS 48TC**08 48TC**12 48TC**14 Gas ConnectionCFM RPM BHP Appendix III. FAN Performance579 FAN PerformanceRPM BHP 48TC**14Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Pulley AdjustmentElectrical Information Type DISC. Size Unit Combustion PowerMCA/MOCP Determination no C.O. or Unpwrd C.O NOM IFM FAN Motor Exhaust No P.EWiring Diagrams Appendix IV. Wiring Diagram ListSize Voltage Control Power Catalog No 48TC-3SM Appendix V. Motormaster Sensor LocationsPreliminary Information Unit START-UP Checklist