Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48TC*D08 appendix C09157

Models: 48TC*D08

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48TC

C09157

Fig. 85 - 48TC Typical Unit Wiring Diagram - Control (D08, 208/230-3-60)

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Contents

TABLE OF CONTENTS SAFETY CONSIDERATIONSService and Maintenance Instructions With Puron R---410ARefrigerantUNIT ARRANGEMENT AND ACCESS UNIT OPERATION AND SAFETY HAZARDFig. 1 - Typical Access Panel Locations Back GeneralRoutine Maintenance Seasonal MaintenanceFig. 2 - Typical Access Panel Location Front Air ConditioningFig. 3 - Filter Installation Fig. 4 - Screens Installed on Outdoor-AirHoodSUPPLY FAN BLOWER SECTION Supply Fan Belt-DriveAdjustable-PitchPulley on Motor Fig. 6 - Supply-FanPulley Adjustment BearingsFig. 7 - Tightening Locking Collar Motor 48TCCoil Maintenance and Cleaning Recommendation Periodic Clean Water RinseCOOLING Condenser CoilRoutine Cleaning of Evaporator Coil Sufaces PERSONAL INJURY HAZARDPERSONAL INJURY HAZARD PERSONAL INJURY HAZARDRefrigerant System Pressure Access Ports To Use Cooling Charging ChartsPURONR R-410AREFRIGERANT Refrigerant Charge48TC Fig. 9 - CoreMax Access Port AssemblySEATCORE 48TC COOLING CHARGING CHARTSFig. 10 - Cooling Charging Charts D08 Fig. 11 - Cooling Charging Charts D12 COOLING CHARGING CHARTS48TC C08670Fig. 12 - Cooling Charging Charts D14 - Circuit A COOLING CHARGING CHARTS48TC C09151Fig. 13 - Cooling Charging Charts D14 - Circuit B COOLING CHARGING CHARTS48TC C09152Table 1 - Cooling Service Analysis 48TCCondenser-FanAdjustment D08-D12size Condenser-FanAdjustment D14 sizeTroubleshooting Cooling System Fig. 14 - Condenser Fan Adjustment D08-D12Non-PoweredType Unit-PoweredTypeFig. 17 - Powered Convenience Outlet Wiring CONVENIENCE OUTLETSMaintenance Fuse On Powered TypeUsing Unit-MountedConvenience Outlets Fig. 18 - Controller AssemblySmoke Detector Locations LocationFig. 19 - Smoke Detector Sensor Fig. 21 - Typical Return Air Detector LocationFIOP Smoke Detector Wiring and Response Fig. 22 - Return Air Sampling Tube LocationFig. 23 - Return Air Detector Shipping Position Fig. 24 - Return Air Sensor Operating PositionFig. 25 - Typical Smoke Detector System Wiring Sensor Alarm TestSensor Alarm Test Procedure Controller Alarm TestController Alarm Test Procedure Dirty Controller Test ProcedureDirty Sensor Test Procedure To Configure the Dirty Sensor Test OperationDetector Cleaning SD-TRK4Remote Alarm Test ProcedureRemote Test/Reset Station Dirty Sensor Test Dirty Sensor Test Using an SD-TRK4INDICATORS TroubleshootingAlarm State Fig. 28 - Controller AssemblyTable 3 – Detector Indicators Controller’s Power LED is OffOvertemperature High Pressure SwitchFig. 30 - Limit Switch Location GAS HEATING SYSTEMControl Circuit Fuel Types and PressuresFig. 31 - LP Low Pressure Switch Installed Flue Gas PassagewaysCombustion-AirBlower 48TCFig. 33 - Heat Exchanger Assembly Removal and Replacement of Gas TrainBurners and Igniters EQUIPMENT DAMAGE HAZARDCleaning and Adjustment Limit SwitchFig. 35 - Burner Tray Details Fig. 36 - Unit Control Box/IGC LocationFig. 37 - Spark Adjustment Table 9 – LED Error Code DescriptionBurner Ignition 48TC48TC Orifice ReplacementFig. 38 - Gas Valve Fig. 39 - Integrated Gas Control IGC Board Table 10 - IGC ConnectionsRed LED-Status 48TC48TC Table 11 – Orifice SizesTable 12 - Altitude Compensation* Troubleshooting Heating System Minimum Heating Entering Air TemperatureTable 13 – Heating Service Analysis Fig. 40 - OATL ConnectionsTable 14 – IGC Board LED Alarm Codes RESET METHOD48TC DESCRIPTIONCONDENSER COIL SERVICE Repairing NOVATION Condenser Tube LeaksReplacing NOVATION Condenser Coil Fig. 41 - PremierLinkt ControllerPREMIERLINKt CONTROL SUPPLY AIR TEMPERATURE SENSOR SUPPLY AIR48TC ROOF CURB RETURN AIR48TC C0866548TC Fig. 44 - T-55Space Temperature Sensor WiringFig. 45 - PremierLink T-55Sensor 48TC Table 16 – PremierLink Sensor UsageTable 17 - Space Sensor Mode Table 18 – Thermostat Mode Fig. 46 - T-56Internal ConnectionsFig. 47 - PremierLink T-56Sensor Fig. 48 - Space Thermostat ConnectionsEnthalpy 33ZCSENCO2 - Typical Wiring Diagram Fig. 51 - Indoor/Outdoor Air Quality CO2 SensorFig. 52 - Indoor CO2 Sensor 33ZCSENCO2 ConnectionsFig. 55 - PremierLink Filter Switch Connection Fig. 56 - PremierLink Wiring Fan Pressure SwitchFig. 57 - PremierLink Wiring Remote Occupied ConnectionFig. 58 - PremierLinkt Power Exhaust Output RTU-MPCONTROL SYSTEMTable 19 – Recommended Cables Table 20 – Color Code RecommendationsC07129 Fig. 60 - RTU-MP Multi-ProtocolControl Board48TC 48TC C09163Table 21 – RTU-MPController Inputs and Outputs CONFIGURABLE48TC POINT NAMESpace Temperature SPT Sensors Fig. 64 - Space Temperature Sensor Typical WiringFig. 62 - RTU-MP T-55Sensor Connections Fig. 63 - RTU-MP T-56Sensor Connections48TC Fig. 65 - RTU-MP /Indoor CO2 Sensor33ZCSENCO2 Connections Connecting Discrete Inputs Power Exhaust outputCommunication Wiring - Protocols Fig. 67 - RTU-MPPower Exhaust ConnectionsRTU-MPTroubleshooting Fig. 68 - RTU-MPSW3 Dip Switch SettingsLocal Access BACnet MS/TPFig. 69 - BACview6 Handheld Connections Table 22 – LEDsAnd Error LED shows 48TCTable 23 – Troubleshooting Alarms RESET48TC ACTION TAKEN BYAlarms Safety Chain AlarmFire Shutdown Alarm SAT Sensor AlarmFig. 70 - Module Status Report Modstat Example 48TCTable 25 – Basic Protocol Troubleshooting ModbusTable 24 – Manufacture Date Table 26 – Modbus Exception Codes that May beECONOMI$ER SYSTEMS Fig. 71 - EconoMi$er IV Component LocationsFig. 72 - EconoMi$er2 Component Locations 48TCFig. 73 - EconoMi$er IV Wiring 48TCOutdoor Air Temperature OAT Sensor EconoMi$erTable 27 – EconoMi$er IV Input/Output Logic Fig. 75 - EconoMi$er IV Functional ViewSupply Air Temperature SAT Sensor Fig. 78 - Outside Air Temperature ChangeoverFig. 76 - Supply Air Sensor Location Outdoor Air Lockout SensorDifferential Dry Bulb Control Outdoor Enthalpy ChangeoverMounting Location Fig. 81 - Enthalpy Changeover SetpointsFig. 83 - CO2 Sensor Maximum Range Settings Exhaust Setpoint AdjustmentFig. 82 - EconoMi$er IV Control Differential Enthalpy ControlDamper Movement ThermostatsDemand Control Ventilation DCV 48TC48TC CO2 Sensor ConfigurationTable 28 – CO2 Sensor Standard Settings Table 29 - EconoMi$er IV Sensor Usage EconoMi$er IV PreparationDifferential Enthalpy Single EnthalpyWIRING DIAGRAMS EconoMi$er IV Troubleshooting CompletionDCV Minimum and Maximum Position Supply-AirSensor Input48TC C0915648TC C09157PRE-START-UP START-UP,GENERALUnit Preparation Gas PipingInternal Wiring Refrigerant Service PortsReturn-AirFilters Outdoor-AirInlet ScreensField Service Test Memory ResetSTART-UP,PREMIERLINKt CONTROLS START-UP, RTU-MPCONTROLConfiguration Unit Start DelayFilter Service Hours Supply Fan Service HoursCooling/Econ SAT Low Setpt Cooling Lockout TempHeating Heating SAT High Setpt Heating Lockout TempPower Exhaust Setpt T55/56 Override DurationIAQ Low Reference @ 4mA IAQ High Reference @ 20mAOPERATING SEQUENCES Base Unit ControlsCooling, Units Without Economizer Heating, Units Without Economizer48TC Supplemental ControlsPremierLinkt Control IAQS = IAQD + OAQ OAQ = 400 ppm if not present 48TCSWhen Pre-OccupancyPurge is active 48TCTable 30 – Available Cooling Stages 48TC48TC S Indoor fan has been ON for at least 30 secondsIAQS = IAQD + OAQ OAQ = 400 ppm if not present 48TCTable 31 – Linkage Modes 48TCTable 32 – Loadshed Command — Gas and Electric Always Occupied Default OccupancyRTU-MPSequence of Operation Heat UnitsBACnet Schedule BAS On/OffDI On/Off Indoor FanPower Exhaust FASTENER TORQUE VALUESEconomizer Indoor Air QualityTable 33 – Torque Values 48TCAPPENDIX I. MODEL NUMBER SIGNIFICANCE Model Number NomenclatureSerial Number Format 48TCAPPENDIX II. PHYSICAL DATA Physical Data7.5 - 12.5TONS CoolingAPPENDIX II. PHYSICAL DATA cont Physical DataHeating 7.5 - 12.5TONS3 PHASE APPENDIX III. FAN PERFORMANCE7.5 TON HORIZONTAL SUPPLY 7.5 TON VERTICAL SUPPLY10 TON HORIZONTAL SUPPLY 10 TON VERTICAL SUPPLY48TC**12 3 PHASE48TC**14 12.5 TON VERTICAL SUPPLY12.5 TON HORIZONTAL SUPPLY 3 PHASE48TC Pulley AdjustmentAPPENDIX III. FAN PERFORMANCE cont ELECTRICAL INFORMATION 48TC48TC*D08 2---StageCooling48TC MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O48TC APPENDIX IV. WIRING DIAGRAM LISTWiring Diagrams 48TC APPENDIX V. MOTORMASTER SENSOR LOCATIONSFig. 86 - 48TC*D08-D12Outdoor Circuiting UNIT START-UPCHECKLIST TEMPERATURESI. PRELIMINARY INFORMATION III. START-UP