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Carrier appendix Appendix V. Motormaster Sensor Locations, 48TC*D08-D12Outdoor Circuiting

Models: 48TC*D08

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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

Page 97

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Carrier appendix Appendix V. Motormaster Sensor Locations, 48TC*D08-D12Outdoor Circuiting

Contents

SAFETY CONSIDERATIONS TABLE OF CONTENTSService and Maintenance Instructions With Puron R---410ARefrigerantUNIT OPERATION AND SAFETY HAZARD UNIT ARRANGEMENT AND ACCESSFig. 1 - Typical Access Panel Locations Back GeneralSeasonal Maintenance Routine MaintenanceFig. 2 - Typical Access Panel Location Front Air ConditioningFig. 4 - Screens Installed on Outdoor-AirHood Fig. 3 - Filter InstallationSUPPLY FAN BLOWER SECTION Supply Fan Belt-DriveFig. 6 - Supply-FanPulley Adjustment Bearings Adjustable-PitchPulley on MotorFig. 7 - Tightening Locking Collar Motor 48TCPeriodic Clean Water Rinse Coil Maintenance and Cleaning RecommendationCOOLING Condenser CoilPERSONAL INJURY HAZARD Routine Cleaning of Evaporator Coil SufacesPERSONAL INJURY HAZARD PERSONAL INJURY HAZARDTo Use Cooling Charging Charts Refrigerant System Pressure Access PortsPURONR R-410AREFRIGERANT Refrigerant ChargeSEATCORE Fig. 9 - CoreMax Access Port Assembly48TC Fig. 10 - Cooling Charging Charts D08 COOLING CHARGING CHARTS48TC COOLING CHARGING CHARTS Fig. 11 - Cooling Charging Charts D1248TC C08670COOLING CHARGING CHARTS Fig. 12 - Cooling Charging Charts D14 - Circuit A48TC C09151COOLING CHARGING CHARTS Fig. 13 - Cooling Charging Charts D14 - Circuit B48TC C0915248TC Table 1 - Cooling Service AnalysisCondenser-FanAdjustment D14 size Condenser-FanAdjustment D08-D12sizeTroubleshooting Cooling System Fig. 14 - Condenser Fan Adjustment D08-D12Unit-PoweredType Non-PoweredTypeFig. 17 - Powered Convenience Outlet Wiring CONVENIENCE OUTLETSFuse On Powered Type MaintenanceUsing Unit-MountedConvenience Outlets Fig. 18 - Controller AssemblyLocation Smoke Detector LocationsFig. 19 - Smoke Detector Sensor Fig. 21 - Typical Return Air Detector LocationFig. 22 - Return Air Sampling Tube Location FIOP Smoke Detector Wiring and ResponseFig. 23 - Return Air Detector Shipping Position Fig. 24 - Return Air Sensor Operating PositionSensor Alarm Test Fig. 25 - Typical Smoke Detector System WiringSensor Alarm Test Procedure Controller Alarm TestDirty Controller Test Procedure Controller Alarm Test ProcedureDirty Sensor Test Procedure To Configure the Dirty Sensor Test OperationSD-TRK4Remote Alarm Test Procedure Detector CleaningRemote Test/Reset Station Dirty Sensor Test Dirty Sensor Test Using an SD-TRK4Troubleshooting INDICATORSAlarm State Fig. 28 - Controller AssemblyController’s Power LED is Off Table 3 – Detector IndicatorsOvertemperature High Pressure SwitchGAS HEATING SYSTEM Fig. 30 - Limit Switch LocationControl Circuit Fuel Types and PressuresFlue Gas Passageways Fig. 31 - LP Low Pressure Switch InstalledCombustion-AirBlower 48TCRemoval and Replacement of Gas Train Fig. 33 - Heat Exchanger AssemblyBurners and Igniters EQUIPMENT DAMAGE HAZARDLimit Switch Cleaning and AdjustmentFig. 35 - Burner Tray Details Fig. 36 - Unit Control Box/IGC LocationTable 9 – LED Error Code Description Fig. 37 - Spark AdjustmentBurner Ignition 48TCFig. 38 - Gas Valve Orifice Replacement48TC Table 10 - IGC Connections Fig. 39 - Integrated Gas Control IGC BoardRed LED-Status 48TCTable 12 - Altitude Compensation* Table 11 – Orifice Sizes48TC Minimum Heating Entering Air Temperature Troubleshooting Heating SystemTable 13 – Heating Service Analysis Fig. 40 - OATL ConnectionsRESET METHOD Table 14 – IGC Board LED Alarm Codes48TC DESCRIPTIONRepairing NOVATION Condenser Tube Leaks CONDENSER COIL SERVICEReplacing NOVATION Condenser Coil Fig. 41 - PremierLinkt ControllerSUPPLY AIR TEMPERATURE SENSOR SUPPLY AIR PREMIERLINKt CONTROL48TC ROOF CURB RETURN AIRC08665 48TCFig. 45 - PremierLink T-55Sensor Fig. 44 - T-55Space Temperature Sensor Wiring48TC Table 17 - Space Sensor Mode Table 16 – PremierLink Sensor Usage48TC Fig. 46 - T-56Internal Connections Table 18 – Thermostat ModeFig. 47 - PremierLink T-56Sensor Fig. 48 - Space Thermostat ConnectionsEnthalpy Fig. 51 - Indoor/Outdoor Air Quality CO2 Sensor 33ZCSENCO2 - Typical Wiring DiagramFig. 52 - Indoor CO2 Sensor 33ZCSENCO2 ConnectionsFig. 56 - PremierLink Wiring Fan Pressure Switch Fig. 55 - PremierLink Filter Switch ConnectionFig. 57 - PremierLink Wiring Remote Occupied ConnectionRTU-MPCONTROL SYSTEM Fig. 58 - PremierLinkt Power Exhaust OutputTable 19 – Recommended Cables Table 20 – Color Code Recommendations48TC Fig. 60 - RTU-MP Multi-ProtocolControl BoardC07129 C09163 48TCCONFIGURABLE Table 21 – RTU-MPController Inputs and Outputs48TC POINT NAMEFig. 64 - Space Temperature Sensor Typical Wiring Space Temperature SPT SensorsFig. 62 - RTU-MP T-55Sensor Connections Fig. 63 - RTU-MP T-56Sensor Connections33ZCSENCO2 Connections Fig. 65 - RTU-MP /Indoor CO2 Sensor48TC Power Exhaust output Connecting Discrete InputsCommunication Wiring - Protocols Fig. 67 - RTU-MPPower Exhaust ConnectionsFig. 68 - RTU-MPSW3 Dip Switch Settings RTU-MPTroubleshootingLocal Access BACnet MS/TPTable 22 – LEDs Fig. 69 - BACview6 Handheld ConnectionsAnd Error LED shows 48TCRESET Table 23 – Troubleshooting Alarms48TC ACTION TAKEN BYSafety Chain Alarm AlarmsFire Shutdown Alarm SAT Sensor Alarm48TC Fig. 70 - Module Status Report Modstat ExampleModbus Table 25 – Basic Protocol TroubleshootingTable 24 – Manufacture Date Table 26 – Modbus Exception Codes that May beFig. 71 - EconoMi$er IV Component Locations ECONOMI$ER SYSTEMSFig. 72 - EconoMi$er2 Component Locations 48TC48TC Fig. 73 - EconoMi$er IV WiringEconoMi$er Outdoor Air Temperature OAT SensorTable 27 – EconoMi$er IV Input/Output Logic Fig. 75 - EconoMi$er IV Functional ViewFig. 78 - Outside Air Temperature Changeover Supply Air Temperature SAT SensorFig. 76 - Supply Air Sensor Location Outdoor Air Lockout SensorOutdoor Enthalpy Changeover Differential Dry Bulb ControlMounting Location Fig. 81 - Enthalpy Changeover SetpointsExhaust Setpoint Adjustment Fig. 83 - CO2 Sensor Maximum Range SettingsFig. 82 - EconoMi$er IV Control Differential Enthalpy ControlThermostats Damper MovementDemand Control Ventilation DCV 48TCTable 28 – CO2 Sensor Standard Settings CO2 Sensor Configuration48TC EconoMi$er IV Preparation Table 29 - EconoMi$er IV Sensor UsageDifferential Enthalpy Single EnthalpyEconoMi$er IV Troubleshooting Completion WIRING DIAGRAMSDCV Minimum and Maximum Position Supply-AirSensor InputC09156 48TCC09157 48TCSTART-UP,GENERAL PRE-START-UPUnit Preparation Gas PipingRefrigerant Service Ports Internal WiringReturn-AirFilters Outdoor-AirInlet ScreensMemory Reset Field Service TestSTART-UP,PREMIERLINKt CONTROLS START-UP, RTU-MPCONTROLUnit Start Delay ConfigurationFilter Service Hours Supply Fan Service HoursCooling 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 @ 20mABase Unit Controls OPERATING SEQUENCESCooling, Units Without Economizer Heating, Units Without EconomizerPremierLinkt Control Supplemental Controls48TC 48TC IAQS = IAQD + OAQ OAQ = 400 ppm if not present48TC SWhen Pre-OccupancyPurge is active48TC Table 30 – Available Cooling StagesS Indoor fan has been ON for at least 30 seconds 48TC48TC IAQS = IAQD + OAQ OAQ = 400 ppm if not present48TC Table 31 – Linkage ModesAlways Occupied Default Occupancy Table 32 – Loadshed Command — Gas and ElectricRTU-MPSequence of Operation Heat UnitsBAS On/Off BACnet ScheduleDI On/Off Indoor FanFASTENER TORQUE VALUES Power ExhaustEconomizer Indoor Air Quality48TC Table 33 – Torque ValuesModel Number Nomenclature APPENDIX I. MODEL NUMBER SIGNIFICANCESerial Number Format 48TCPhysical Data APPENDIX II. PHYSICAL DATA7.5 - 12.5TONS CoolingPhysical Data APPENDIX II. PHYSICAL DATA contHeating 7.5 - 12.5TONSAPPENDIX III. FAN PERFORMANCE 3 PHASE7.5 TON HORIZONTAL SUPPLY 7.5 TON VERTICAL SUPPLY10 TON VERTICAL SUPPLY 10 TON HORIZONTAL SUPPLY48TC**12 3 PHASE12.5 TON VERTICAL SUPPLY 48TC**1412.5 TON HORIZONTAL SUPPLY 3 PHASEAPPENDIX III. FAN PERFORMANCE cont Pulley Adjustment48TC 48TC ELECTRICAL INFORMATION48TC*D08 2---StageCoolingMCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O 48TCWiring Diagrams APPENDIX IV. WIRING DIAGRAM LIST48TC Fig. 86 - 48TC*D08-D12Outdoor Circuiting APPENDIX V. MOTORMASTER SENSOR LOCATIONS48TC TEMPERATURES UNIT START-UPCHECKLISTI. PRELIMINARY INFORMATION III. START-UP