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Carrier 50TCA04-A07 Start-Up Checklist, START-UP CHECKLIST Remove and Store in Job File, General

Models: 50TCA04-A07

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START-UP CHECKLIST

START-UP CHECKLIST

START-UP CHECKLIST

(Remove and Store in Job File)

I. PRELIMINARY INFORMATION


MODEL NO.:			SERIAL NO.:
DATE:			TECHNICIAN:

II.PRE-START-UP (insert checkmark in box as each item is completed)

j VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT

j REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS

j CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS; INVESTIGATE AND REPAIR IF NECESSARY j CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

j CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE j VERIFY THAT UNIT INSTALLATION IS LEVEL

j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

j CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES

j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS

III.START-UP

ELECTRICAL

SUPPLY VOLTAGE	L1-L2					L2-L3	L3-L1
COMPRESSOR AMPS	L1					L2	L3
COMPRESSOR AMPS	L1					L2	L3
INDOOR-FAN AMPS	L1					L2	L3
INDOOR-FAN AMPS	L1					L2	L3
TEMPERATURES
TEMPERATURES
OUTDOOR-AIR TEMPERATURE				DB
RETURN-AIR TEMPERATURE				DB			WB
RETURN-AIR TEMPERATURE				DB			WB
COOLING SUPPLY AIR							WB
COOLING SUPPLY AIR				DB			WB

PRESSURES (Cooling Mode)
REFRIGERANT SUCTION		PSIG		F
REFRIGERANT DISCHARGE		PSIG		F
REFRIGERANT DISCHARGE		PSIG		F

jVERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION.

jVERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GENERAL

jSET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS (IF EQUIPPED)

Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231	Printed in U.S.A.	Edition Date: 04/08	Catalog No: 50TC---1SM
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.			Replaces: NEW

50TC

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Carrier 50TCA04-A07 Start-Up Checklist, START-UP CHECKLIST Remove and Store in Job File, I. Preliminary Information

Contents

SAFETY CONSIDERATIONS TABLE OF CONTENTSELECTRICAL OPERATION HAZARD Service and Maintenance InstructionsRoutine Maintenance UNIT ARRANGEMENT AND ACCESSSeasonal Maintenance UNIT OPERATION AND SAFETY HAZARDFig. 4 - Screens Installed on Outdoor-Air Hood Fig. 3 - Filter InstallationSUPPLY FAN BLOWER SECTION Supply Fan Belt-DriveFig. 6 - Supply-Fan Pulley Adjustment Bearings Adjustable-Pitch Pulley on MotorFig. 7 - Tightening Locking Collar 50TCPeriodic Clean Water Rinse Condenser Coil Maintenance and Cleaning RecommendationRoutine Cleaning of Coil Surfaces COOLINGTotaline Environmentally Sound Coil Cleaner Application Equipment Fig. 8 - Cleaning Condenser CoilTotaline Environmentally Sound Coil Cleaner Application Instructions Two-Row CoilsCleaning the Evaporator Coil Refrigerant System Pressure Access PortsPURONR R-410A REFRIGERANT Evaporator CoilFig. 11 - CoreMax Access Port Assembly To Use Cooling Charging ChartsSEAT CORE 50TCFig. 12 - Cooling Charging Charts COOLING CHARGING CHARTS50TC C08203 C08204Fig. 12 - Cooling Charging Charts cont COOLING CHARGING CHARTS cont50TC C08228 C08229Fig. 13 - Condenser Fan Adjustment except with Motormaster Troubleshooting Cooling SystemCompressor Filter Drier50TC Table 1 - Cooling Service AnalysisCONVENIENCE OUTLETS Fig. 15 - Powered Convenience Outlet WiringSMOKE DETECTORS Fig. 14 - Convenience Outlet LocationSystem Fig. 16 - Controller AssemblyController SensorSmoke Detector Locations Completing Installation of Return Air Smoke SensorFig. 18 - Typical Supply Air Smoke Detector Sensor Location Fig. 19 - Typical Return Air Detector LocationFig. 23 - Typical Smoke Detector System Wiring FIOP Smoke Detector Wiring and ResponseFig. 22 - Return Air Sensor Operating Position B D C F E AController Alarm Test Sensor and Controller Tests Sensor Alarm TestSensor Alarm Test Procedure Controller Alarm Test ProcedureRemote Test/Reset Station Dirty Sensor Test DETECTOR CLEANINGCleaning the Smoke Detector To Configure the Dirty Sensor Test OperationAlarm State INDICATORSTable 3 - Detector Indicators Fig. 25 - Sensor Cleaning DiagramResetting Alarm and Trouble Condition Trips TROUBLESHOOTINGSensor’s Power LED is Off Controller’s Power LED is OffFig. 29 - Typical Module Installation Fig. 27 - Typical Access Panel Location 3-6 TonELECTRIC HEATERS Relief DeviceFig. 30 - Typical Single Point Installation Completing Heater InstallationFig. 31 - Typical Location of Heater Limit Switches 3-phase heater shownFig. 33 - PremierLink Controller PREMIERLINKT CONTROL50TC 50TC Fig. 35 - PremierLink Wiring SchematicC08249 Fig. 37 - PremierLink T55 Sensor Fig. 36 - T-55 Space Temperature Sensor Wiring50TC 50TC Table 6 - PremierLink Sensor UsageAPPLICATION Table 8 - Thermostat Mode Table 7 - Space Sensor Mode50TC TB1 TERMINALFig. 38 - T-56 Internal Connections Fig. 41 - Enthalpy Switch HH57AC077 ConnectionsFig. 39 - PremierLink T56 Sensor Switch33ZCSENCO2 - Typical Wiring Diagram Fig. 42 - Outside and Return Air Enthalpy Sensor WiringFig. 43 - Indoor/Outdoor Air Quality CO2 Sensor 50TCFig. 44 - Indoor CO2 Sensor 33ZCSENCO2 Connec Fig. 47 - PremierLink Filter Switch Connectiontions Fig. 45 - Outdoor Air Quality Sensor CoverFig. 49 - PremierLink Wiring Remote Occupied Fig. 48 - PremierLink Wiring Fan Pressure Switch ConnectionFig. 50 - PremierLink Power Exhaust Output Connection Table 9 - Recommended CablesECONOMIZER SYSTEMS Fig. 54 - EconoMi$er IV WiringFig. 51 - PremierLink CCN Bus Connections Fig. 52 - EconoMi$er IV Component LocationsTable 11 - EconoMi$er IV Input/Output Logic Fig. 55 - EconoMi$er2 with 4 to 20 mA Control Wiring50TC INPUTSSupply Air Temperature SAT Sensor EconoMi$er IV Standard Sensors Outdoor Air Temperature OAT SensorEconoMi$er Fig. 56 - EconoMi$er IV Functional ViewFig. 61 - Return Air Temperature or Enthalpy Sensor Mounting Location Fig. 59 - Outside Air Temperature Changeover SetpointsDifferential Dry Bulb Control Fig. 58 - EconoMi$er IV Controller Potentiometer and LED LocationsFig. 63 - EonoMi$er IV Control Differential Enthalpy Control Fig. 62 - Enthalpy Changeover SetpointsIndoor Air Quality IAQ Sensor Input 50TCExhaust Setpoint Adjustment Fig. 64 - CO2 Sensor Maximum Range SettingsMinimum Position Control Damper MovementDemand Control Ventilation DCV CO2 Sensor ConfigurationTable 12 - EconoMi$er IV Sensor Usage 50TCEconoMi$er IV Preparation DCV Demand Controlled Ventilation and Power ExhaustDifferential Enthalpy Single EnthalpyEconoMi$er IV Troubleshooting Completion WIRING DIAGRAMSPRE-START-UP PERSONAL INJURY HAZARDRefrigerant Service Ports Internal WiringSTART-UP, GENERAL START-UP, PREMIERLINK CONTROLSPerform System Check-Out Memory ResetInitial Operation and Test Operating Sequence, Base Unit Controls50TC Operating Sequence, PremierLink ControlIAQS = IAQD + OAQ OAQ = 400 ppm if not present 50TC50TC Table 13 - Available Cooling StagesNUMBER OF STAGESS Indoor fan has been on for at least 30 seconds S Enthalpy is low 50TC50TC equal to OCSP and Enthalpy = Low then PURGEMP = 100% 50TCFASTENER TORQUE VALUES Table 15 - Loadshed Command - Gas and Electric Heat UnitsTable 14 - Linkage Modes 50TCTable 16 - Torque Values Fig. 65 - 50TC Typical Unit Wiring diagram - Power A0650TC 20 +50TC Fig. 66 - 50TC Unit Wiring Diagram - Control A06C08002 Model Number Nomenclature APPENDIX I. MODEL NUMBER SIGNIFICANCESerial Number Format 50TCPhysical Data Cooling APPENDIX II. PHYSICAL DATA3 - 6 TONS 50TCGeneral Fan Performance Notes APPENDIX III. FAN PERFORMANCE50TC APPENDIX III. FAN PERFORMANCE cont 1 Phase3 Ton Horizontal Supply 3 Ton Vertical Supply3 Phase 3 PhaseAPPENDIX III. FAN PERFORMANCE cont 3 Ton Horizontal Supply4 Ton Vertical Supply 4 Ton Horizontal Supply50TC**05 1 Phase50TC**05 Phase3 Phase APPENDIX III. FAN PERFORMANCE cont5 Ton Vertical Supply 5 Ton Horizontal Supply50TC**06 1 Phase3 Phase PhaseAPPENDIX III. FAN PERFORMANCE cont 5 Ton Horizontal Supply6 Ton Vertical Supply 6 Ton Horizontal Supply50TC**07 PhaseAPPENDIX III. FAN PERFORMANCE cont Pulley Adjustment50TC 3 TONS APPENDIX IV. ELECTRICAL DATA4 TONS 50TC**045 TONS APPENDIX IV. ELECTRICAL DATA cont6 TONS 50TC**06APPENDIX IV. ELECTRICAL DATA cont MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O50TC APPENDIX IV. ELECTRICAL DATA cont MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont50TC 208/230MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont APPENDIX IV. ELECTRICAL DATA cont50TC MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont APPENDIX IV. ELECTRICAL DATA cont50TC Wiring Diagrams APPENDIX V. WIRING DIAGRAM LIST50TC PremierLinkFig. 67 - 50TC*A04 Outdoor Circuiting APPENDIX VI. MOTORMASTER SENSOR LOCATIONSFig. 69 - 50TC*A07 Outdoor Circuiting Fig. 68 - 50TC*A05/06 Outdoor CircuitingFig. 71 - 50TC*A09/12 Outdoor Circuiting APPENDIX VI. cont MOTORMASTER SENSOR LOCATIONS50TC C08263Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 50TCPrinted in U.S.A Edition Date 05/08START-UP CHECKLIST Remove and Store in Job File START-UP CHECKLISTTEMPERATURES PRESSURES Cooling Mode