Carrier 48TCD08 appendix* Appendix V. Motormaster Sensor Locations, Catalog No 48TC-3SM

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APPENDIX V. MOTORMASTER SENSOR LOCATIONS

48TC

C09158

Fig. 86 - 48TC*D08-D12 Outdoor Circuiting

NOTE: The low ambient kit for the 12.5 ton unit utilizes a pressure transducer, and therefore there is no Motormaster temperature sensor location for this unit.

Copyright 2009 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231	Printed in U.S.A.	Edition Date: 7/09	Catalog No: 48TC-3SM

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.			Replaces: NEW

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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 MotorPeriodic Clean Water Rinse Coil Maintenance and Cleaning RecommendationCooling Condenser CoilRoutine 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 AnalysisCondenser-Fan Adjustment D14 size Condenser-Fan Adjustment D08-D12 sizeTroubleshooting Cooling System CompressorsUnit-Powered Type Non-Powered TypeConvenience Outlets Duty CycleSmoke Detectors Typical Supply Air Smoke Detector Sensor Location Smoke Detector LocationsFiop Smoke Detector Wiring and Response Completing Installation of Return Air Smoke SensorSensor Alarm Test Procedure Sensor Alarm TestController Alarm Test Sensor and Controller TestsDirty Controller Test Procedure Controller Alarm Test ProcedureDirty Sensor Test Procedure To Configure the Dirty Sensor Test OperationSD-TRK4 Remote Alarm Test Procedure Detector CleaningRemote Test/Reset Station Dirty Sensor Test Dirty Sensor Test Using an SD-TRK4Troubleshooting 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 ConnectionsAltitude Compensation Orifice SizesOrifice Carrier Drill Drill Size Part Number ElevationMinimum Heating Entering Air Temperature Troubleshooting Heating SystemHeating Service Analysis Problem Cause RemedyIGC 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 RTU-MP Control System Signal Type CCN BUS Wire CCN Plug PIN Color NumberRecommended Cables Color Code RecommendationsRTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs Configurable InputsPoint Name Type of I/O Connection PIN Name Numbers InputsRTU-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 Modbus Basic Protocol TroubleshootingManufacture Date Code Name MeaningEconoMi$er IV Component Locations ECONOMI$ER SystemsEconoMi$er IV Wiring EconoMi$er IV Input/Output Logic EconoMi$erInputs Outputs Outdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er IV Control Modes Outdoor Dry Bulb ChangeoverOutdoor 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 EconoMi$er IV Sensor Usage DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Differential EnthalpyEconoMi$er IV Troubleshooting Completion Wiring DiagramsDCV Minimum and Maximum Position Supply-Air Sensor Input48TC Typical Unit Wiring Diagram Power D08, 208/230-3-60 48TC Typical Unit Wiring Diagram Control D08, 208/230-3-60 START-UP, General PRE-START-UPUnit Preparation Gas PipingRefrigerant Service Ports Internal WiringReturn-Air Filters Outdoor-Air Inlet ScreensSTART-UP, RTU-MP Control Field Service TestVentilation Continuous Fan Perform System Check-OutConfiguration Cooling Lockout Temp Cooling/Econ SAT Low SetptHeating Heating SAT High Setpt Heating Lockout TempT55/56 Override Duration Power Exhaust SetptIAQ Low Reference @ 4mA IAQ High Reference @ 20mAOperating Sequences PremierLinkt Control Supplemental Controls48TC 48TC Number Stages Economizer Available Cooling Stages48TC 48TC Linkage Modes Rooftop Mode Value Linkage ModeAlways Occupied Default Occupancy Loadshed Command Gas and Electric Heat UnitsRTU-MP Sequence of Operation SchedulingBAS On/Off BACnet ScheduleDI On/Off Indoor FanFastener Torque Values Power ExhaustEconomizer Indoor Air QualityTorque Values Model Number Nomenclature Appendix I. Model Number SignificanceSerial Number Format Position Number Typical DesignatesPhysical Data Appendix II. Physical Data12.5TONS Physical Data Heating 12.5TONS Heat Anticipator Setting Amps48TC**08 48TC**12 48TC**14 Gas Connection Natural Gas Heat, Liquid Propane HeatCFM RPM BHP Appendix III. FAN Performance579 FAN PerformanceRPM BHP 48TC**14Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Pulley AdjustmentElectrical Information MCA/MOCP Determination no C.O. or Unpwrd C.O Unit Combustion PowerNOM IFM FAN Motor Exhaust No P.E Type DISC. SizeWiring Diagrams Appendix IV. Wiring Diagram ListSize Voltage Control Power Catalog No 48TC-3SM Appendix V. Motormaster Sensor LocationsPreliminary Information Unit START-UP Checklist