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Carrier 50TCA04-A07 appendix Space Sensor Mode, Thermostat Mode, TB1 TERMINAL

Models: 50TCA04-A07

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Table 7 – Space Sensor Mode


	TB1 TERMINAL					FIELD CONNECTION		INPUT SIGNAL
		1				T55--- SEN/T56--- SEN		Analog (10k thermistor)
		2				RMTOCC		Discrete, 24VAC
		3				T55--- SEN/T56--- SEN		Analog (10k thermistor)
		4				CMPSAFE		Discrete, 24VAC
		5				T56--- SET		Analog (10k thermistor)
		6				FSD		Discrete, 24VAC
		7				LOOP--- PWR		Analog, 24VDC
		8				SPS		Discrete, 24VAC
		9				IAQ--- SEN		Analog, 4--- 20mA
		10				FILTER		Discrete, 24VAC
		11			IAQ--- COM/OAQ--- COM/RH--- COM			Analog, 4--- 20mA
		12				CCN + (RED)		Digital, , 5VDC
		13				OAQ--- SEN/RH--- SEN		Analog, 4--- 20mA
		14				CCN Gnd (WHT)		Digital, 5VDC
		15				AUX OUT(Power Exhaust)		(Output)Discrete 24VAC
		16				CCN --- (BLK)		Digital, 5VDC
LEGEND:
T55		---	Space Temperature Sensor
T56		---	Space Temperature Sensor
CCN		---	Carrier Comfort Network (communication bus)
CMPSAFE		---	Compressor Safety
FILTER		---	Dirty Filter Switch
FSD		---	Fire Shutdown
IAQ		---	Indoor Air Quality (CO2)
OAQ		---	Outdoor Air Quality (CO2)
RH		---	Relative Humidity
SFS		---	Supply Fan Status
						Table 8 – Thermostat Mode

	TB1 TERMINAL					FIELD CONNECTION		INPUT SIGNAL
		1				RAT SEN		Analog (10k thermistor)
		2				G		Discrete, 24VAC
		3				RAT SEN		Analog (10k thermistor)
		4				Y1		Discrete, 24VAC
		5
		6				Y2		Discrete, 24VAC
		7				LOOP--- PWR		Analog, 24VDC
		8				W1		Discrete, 24VAC
		9				IAQ--- SEN		Analog, 4--- 20mA
		10				W2		Discrete, 24VAC
		11				IAQ--- COM/OAQ--- COM/RH--- COM		Analog, 4--- 20mA
		12				CCN + (RED)		Digital, 5VDC
		13				OAQ--- SEN/RH--- SEN		Analog, 4--- 20mA
		14				CCN Gnd (WHT)		Digital, 5VDC
		15				AUX OUT (Power Exhaust)		(Output) Discrete 24VAC
		16				CCN --- (BLK)		Digital, 5VDC
LEGEND:
CCN	---	Carrier Comfort Network (communication bus)
G	---	Thermostat Fan
IAQ	---	Indoor Air Quality (CO2)
OAQ	---	Outdoor Air Quality (CO2)
RAT	---	Return Air Temperature
RH	---	Relative Humidity
W1	---	Thermostat Heat Stage 1
W2	---	Thermostat Heat Stage 2
Y1	---	Thermostat Cool Stage 1
Y2	---	Thermostat Cool Stage 2

50TC

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Carrier 50TCA04-A07 appendix Space Sensor Mode, Thermostat Mode, TB1 TERMINAL

Contents

Service and Maintenance Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS ELECTRICAL OPERATION HAZARDUNIT OPERATION AND SAFETY HAZARD UNIT ARRANGEMENT AND ACCESSRoutine Maintenance Seasonal MaintenanceSupply Fan Belt-Drive Fig. 3 - Filter InstallationFig. 4 - Screens Installed on Outdoor-Air Hood SUPPLY FAN BLOWER SECTION50TC Adjustable-Pitch Pulley on MotorFig. 6 - Supply-Fan Pulley Adjustment Bearings Fig. 7 - Tightening Locking CollarCOOLING Condenser Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse Routine Cleaning of Coil SurfacesTwo-Row Coils Fig. 8 - Cleaning Condenser CoilTotaline Environmentally Sound Coil Cleaner Application Equipment Totaline Environmentally Sound Coil Cleaner Application InstructionsEvaporator Coil Refrigerant System Pressure Access PortsCleaning the Evaporator Coil PURONR R-410A REFRIGERANT50TC To Use Cooling Charging ChartsFig. 11 - CoreMax Access Port Assembly SEAT COREC08203 C08204 COOLING CHARGING CHARTSFig. 12 - Cooling Charging Charts 50TCC08228 C08229 COOLING CHARGING CHARTS contFig. 12 - Cooling Charging Charts cont 50TCFilter Drier Troubleshooting Cooling SystemFig. 13 - Condenser Fan Adjustment except with Motormaster Compressor50TC Table 1 - Cooling Service AnalysisFig. 14 - Convenience Outlet Location Fig. 15 - Powered Convenience Outlet WiringCONVENIENCE OUTLETS SMOKE DETECTORSSensor Fig. 16 - Controller AssemblySystem ControllerFig. 19 - Typical Return Air Detector Location Completing Installation of Return Air Smoke SensorSmoke Detector Locations Fig. 18 - Typical Supply Air Smoke Detector Sensor LocationB D C F E A FIOP Smoke Detector Wiring and ResponseFig. 23 - Typical Smoke Detector System Wiring Fig. 22 - Return Air Sensor Operating PositionController Alarm Test Procedure Sensor and Controller Tests Sensor Alarm TestController Alarm Test Sensor Alarm Test ProcedureTo Configure the Dirty Sensor Test Operation DETECTOR CLEANINGRemote Test/Reset Station Dirty Sensor Test Cleaning the Smoke DetectorFig. 25 - Sensor Cleaning Diagram INDICATORSAlarm State Table 3 - Detector IndicatorsController’s Power LED is Off TROUBLESHOOTINGResetting Alarm and Trouble Condition Trips Sensor’s Power LED is OffRelief Device Fig. 27 - Typical Access Panel Location 3-6 TonFig. 29 - Typical Module Installation ELECTRIC HEATERS3-phase heater shown Completing Heater InstallationFig. 30 - Typical Single Point Installation Fig. 31 - Typical Location of Heater Limit SwitchesPREMIERLINKT CONTROL Fig. 33 - PremierLink Controller50TC Fig. 35 - PremierLink Wiring Schematic 50TCC08249 Fig. 36 - T-55 Space Temperature Sensor Wiring Fig. 37 - PremierLink T55 Sensor50TC Table 6 - PremierLink Sensor Usage 50TCAPPLICATION TB1 TERMINAL Table 7 - Space Sensor ModeTable 8 - Thermostat Mode 50TCSwitch Fig. 41 - Enthalpy Switch HH57AC077 ConnectionsFig. 38 - T-56 Internal Connections Fig. 39 - PremierLink T56 Sensor50TC Fig. 42 - Outside and Return Air Enthalpy Sensor Wiring33ZCSENCO2 - Typical Wiring Diagram Fig. 43 - Indoor/Outdoor Air Quality CO2 SensorFig. 45 - Outdoor Air Quality Sensor Cover Fig. 47 - PremierLink Filter Switch ConnectionFig. 44 - Indoor CO2 Sensor 33ZCSENCO2 Connec tionsTable 9 - Recommended Cables Fig. 48 - PremierLink Wiring Fan Pressure Switch ConnectionFig. 49 - PremierLink Wiring Remote Occupied Fig. 50 - PremierLink Power Exhaust Output ConnectionFig. 52 - EconoMi$er IV Component Locations Fig. 54 - EconoMi$er IV WiringECONOMIZER SYSTEMS Fig. 51 - PremierLink CCN Bus ConnectionsINPUTS Fig. 55 - EconoMi$er2 with 4 to 20 mA Control WiringTable 11 - EconoMi$er IV Input/Output Logic 50TCFig. 56 - EconoMi$er IV Functional View EconoMi$er IV Standard Sensors Outdoor Air Temperature OAT SensorSupply Air Temperature SAT Sensor EconoMi$erFig. 58 - EconoMi$er IV Controller Potentiometer and LED Locations Fig. 59 - Outside Air Temperature Changeover SetpointsFig. 61 - Return Air Temperature or Enthalpy Sensor Mounting Location Differential Dry Bulb Control50TC Fig. 62 - Enthalpy Changeover SetpointsFig. 63 - EonoMi$er IV Control Differential Enthalpy Control Indoor Air Quality IAQ Sensor InputDamper Movement Fig. 64 - CO2 Sensor Maximum Range SettingsExhaust Setpoint Adjustment Minimum Position Control50TC CO2 Sensor ConfigurationDemand Control Ventilation DCV Table 12 - EconoMi$er IV Sensor UsageSingle Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Differential EnthalpyPERSONAL INJURY HAZARD WIRING DIAGRAMSEconoMi$er IV Troubleshooting Completion PRE-START-UPSTART-UP, PREMIERLINK CONTROLS Internal WiringRefrigerant Service Ports START-UP, GENERALOperating Sequence, Base Unit Controls Memory ResetPerform System Check-Out Initial Operation and Test50TC Operating Sequence, PremierLink ControlIAQS = IAQD + OAQ OAQ = 400 ppm if not present 50TCSTAGES Table 13 - Available Cooling Stages50TC NUMBER OFS Indoor fan has been on for at least 30 seconds S Enthalpy is low 50TC50TC equal to OCSP and Enthalpy = Low then PURGEMP = 100% 50TC50TC Table 15 - Loadshed Command - Gas and Electric Heat UnitsFASTENER TORQUE VALUES Table 14 - Linkage Modes20 + Fig. 65 - 50TC Typical Unit Wiring diagram - Power A06Table 16 - Torque Values 50TCFig. 66 - 50TC Unit Wiring Diagram - Control A06 50TCC08002 50TC APPENDIX I. MODEL NUMBER SIGNIFICANCEModel Number Nomenclature Serial Number Format50TC APPENDIX II. PHYSICAL DATAPhysical Data Cooling 3 - 6 TONSAPPENDIX III. FAN PERFORMANCE General Fan Performance Notes50TC 3 Ton Vertical Supply 1 PhaseAPPENDIX III. FAN PERFORMANCE cont 3 Ton Horizontal Supply3 Ton Horizontal Supply 3 Phase3 Phase APPENDIX III. FAN PERFORMANCE cont1 Phase 4 Ton Horizontal Supply4 Ton Vertical Supply 50TC**05APPENDIX III. FAN PERFORMANCE cont Phase50TC**05 3 Phase1 Phase 5 Ton Horizontal Supply5 Ton Vertical Supply 50TC**065 Ton Horizontal Supply Phase3 Phase APPENDIX III. FAN PERFORMANCE contPhase 6 Ton Horizontal Supply6 Ton Vertical Supply 50TC**07Pulley Adjustment APPENDIX III. FAN PERFORMANCE cont50TC 50TC**04 APPENDIX IV. ELECTRICAL DATA3 TONS 4 TONS50TC**06 APPENDIX IV. ELECTRICAL DATA cont5 TONS 6 TONSMCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O APPENDIX IV. ELECTRICAL DATA cont50TC 208/230 MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. contAPPENDIX IV. ELECTRICAL DATA cont 50TCAPPENDIX IV. ELECTRICAL DATA cont MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont50TC APPENDIX IV. ELECTRICAL DATA cont MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont50TC PremierLink APPENDIX V. WIRING DIAGRAM LISTWiring Diagrams 50TCFig. 68 - 50TC*A05/06 Outdoor Circuiting APPENDIX VI. MOTORMASTER SENSOR LOCATIONSFig. 67 - 50TC*A04 Outdoor Circuiting Fig. 69 - 50TC*A07 Outdoor CircuitingC08263 APPENDIX VI. cont MOTORMASTER SENSOR LOCATIONSFig. 71 - 50TC*A09/12 Outdoor Circuiting 50TCEdition Date 05/08 50TCCopyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN Printed in U.S.APRESSURES Cooling Mode START-UP CHECKLISTSTART-UP CHECKLIST Remove and Store in Job File TEMPERATURES