Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48TC*D08 appendix BACview6 Handheld Connections, LEDs, If this LED is on, If Run LED shows

Models: 48TC*D08

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Fig. 69 - BACview6 Handheld Connections

48TC

C07170

	Fig. 69 - BACview6 Handheld Connections
		Table 22 – LEDs
	The LEDs on the RTU-MP show the status of certain functions

If this LED is on...		Status is...
Power		The RTU MP has power
Rx		The RTU MP is receiving data from the network segment
Tx		The RTU MP is transmitting data over the network segment
DO#		The digital output is active

The Run and Error LEDs indicate control module and network status

	If Run LED shows...	And Error LED shows...	Status is...
	2 flashes per second	Off	Normal
	2 flashes per second	2 flashes,	Five minute auto---restart delay after
	2 flashes per second	alternating with Run LED	system error
		alternating with Run LED	system error
	2 flashes per second	3 flashes,	Control module has just been
	2 flashes per second	then off	formatted
		then off	formatted
	2 flashes per second	4 flashes,	Two or more devices on this network
	2 flashes per second	then pause	have the same ARC156 network address
		then pause	have the same ARC156 network address
	2 flashes per second	On	Exec halted after frequent system errors
	2 flashes per second	On	or control programs halted
			or control programs halted
	5 flashes per second	On	Exec start---up aborted, Boot is running
	5 flashes per second	Off	Firmware transfer in progress, Boot is
	5 flashes per second	Off	running
			running
	7 flashes per second	7 flashes per second, alternating with	Ten second recovery period after
	7 flashes per second	Run LED	brownout
		Run LED	brownout
	14 flashes per second	14 flashes per second,	Brownout
	14 flashes per second	alternating with Run LED	Brownout
		alternating with Run LED
			Failure. Try the following solutions:
			S Turn the RTU---MP off, then on.
	On	On	S Format the RTU---MP.
			S Download memory to the RTU---MP.
			S Replace the RTU---MP.

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Carrier 48TC*D08 BACview6 Handheld Connections, LEDs, If this LED is on, If Run LED shows, And Error LED shows, Status is

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 ChargeSEATCORE Fig. 9 - CoreMax Access Port Assembly48TC Fig. 10 - Cooling Charging Charts D08 COOLING CHARGING CHARTS48TC 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 48TCFig. 38 - Gas Valve Orifice Replacement48TC Fig. 39 - Integrated Gas Control IGC Board Table 10 - IGC ConnectionsRed LED-Status 48TCTable 12 - Altitude Compensation* Table 11 – Orifice Sizes48TC 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 C08665Fig. 45 - PremierLink T-55Sensor Fig. 44 - T-55Space Temperature Sensor Wiring48TC Table 17 - Space Sensor Mode Table 16 – PremierLink Sensor Usage48TC 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 Recommendations48TC Fig. 60 - RTU-MP Multi-ProtocolControl BoardC07129 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 Connections33ZCSENCO2 Connections Fig. 65 - RTU-MP /Indoor CO2 Sensor48TC 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 48TCTable 28 – CO2 Sensor Standard Settings CO2 Sensor Configuration48TC 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 EconomizerPremierLinkt Control Supplemental Controls48TC 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 PHASEAPPENDIX III. FAN PERFORMANCE cont Pulley Adjustment48TC ELECTRICAL INFORMATION 48TC48TC*D08 2---StageCooling48TC MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.OWiring Diagrams APPENDIX IV. WIRING DIAGRAM LIST48TC Fig. 86 - 48TC*D08-D12Outdoor Circuiting APPENDIX V. MOTORMASTER SENSOR LOCATIONS48TC UNIT START-UPCHECKLIST TEMPERATURESI. PRELIMINARY INFORMATION III. START-UP