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Carrier 50TCA04-A07 appendix Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN

Models: 50TCA04-A07

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50TC

Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231	Printed in U.S.A.	Edition Date: 05/08	Catalog No: 50TC---1SM

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

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Carrier 50TCA04-A07 Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN, Printed in U.S.A, Replaces NEW

Contents

TABLE OF CONTENTS SAFETY CONSIDERATIONSELECTRICAL OPERATION HAZARD Service and Maintenance InstructionsUNIT ARRANGEMENT AND ACCESS Routine MaintenanceSeasonal Maintenance UNIT OPERATION AND SAFETY HAZARDFig. 3 - Filter Installation Fig. 4 - Screens Installed on Outdoor-Air HoodSUPPLY FAN BLOWER SECTION Supply Fan Belt-DriveAdjustable-Pitch Pulley on Motor Fig. 6 - Supply-Fan Pulley Adjustment BearingsFig. 7 - Tightening Locking Collar 50TCCondenser Coil Maintenance and Cleaning Recommendation Periodic Clean Water RinseRoutine Cleaning of Coil Surfaces COOLINGFig. 8 - Cleaning Condenser Coil Totaline Environmentally Sound Coil Cleaner Application EquipmentTotaline Environmentally Sound Coil Cleaner Application Instructions Two-Row CoilsRefrigerant System Pressure Access Ports Cleaning the Evaporator CoilPURONR R-410A REFRIGERANT Evaporator CoilTo Use Cooling Charging Charts Fig. 11 - CoreMax Access Port AssemblySEAT CORE 50TCCOOLING CHARGING CHARTS Fig. 12 - Cooling Charging Charts50TC C08203 C08204COOLING CHARGING CHARTS cont Fig. 12 - Cooling Charging Charts cont50TC C08228 C08229Troubleshooting Cooling System Fig. 13 - Condenser Fan Adjustment except with MotormasterCompressor Filter DrierTable 1 - Cooling Service Analysis 50TCFig. 15 - Powered Convenience Outlet Wiring CONVENIENCE OUTLETSSMOKE DETECTORS Fig. 14 - Convenience Outlet LocationFig. 16 - Controller Assembly SystemController SensorCompleting Installation of Return Air Smoke Sensor Smoke Detector LocationsFig. 18 - Typical Supply Air Smoke Detector Sensor Location Fig. 19 - Typical Return Air Detector LocationFIOP Smoke Detector Wiring and Response Fig. 23 - Typical Smoke Detector System WiringFig. 22 - Return Air Sensor Operating Position B D C F E ASensor and Controller Tests Sensor Alarm Test Controller Alarm TestSensor Alarm Test Procedure Controller Alarm Test ProcedureDETECTOR CLEANING Remote Test/Reset Station Dirty Sensor TestCleaning the Smoke Detector To Configure the Dirty Sensor Test OperationINDICATORS Alarm StateTable 3 - Detector Indicators Fig. 25 - Sensor Cleaning DiagramTROUBLESHOOTING Resetting Alarm and Trouble Condition TripsSensor’s Power LED is Off Controller’s Power LED is OffFig. 27 - Typical Access Panel Location 3-6 Ton Fig. 29 - Typical Module InstallationELECTRIC HEATERS Relief DeviceCompleting Heater Installation Fig. 30 - Typical Single Point InstallationFig. 31 - Typical Location of Heater Limit Switches 3-phase heater shownPREMIERLINKT 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 Table 7 - Space Sensor Mode Table 8 - Thermostat Mode50TC TB1 TERMINALFig. 41 - Enthalpy Switch HH57AC077 Connections Fig. 38 - T-56 Internal ConnectionsFig. 39 - PremierLink T56 Sensor SwitchFig. 42 - Outside and Return Air Enthalpy Sensor Wiring 33ZCSENCO2 - Typical Wiring DiagramFig. 43 - Indoor/Outdoor Air Quality CO2 Sensor 50TCFig. 47 - PremierLink Filter Switch Connection Fig. 44 - Indoor CO2 Sensor 33ZCSENCO2 Connections Fig. 45 - Outdoor Air Quality Sensor CoverFig. 48 - PremierLink Wiring Fan Pressure Switch Connection Fig. 49 - PremierLink Wiring Remote OccupiedFig. 50 - PremierLink Power Exhaust Output Connection Table 9 - Recommended CablesFig. 54 - EconoMi$er IV Wiring ECONOMIZER SYSTEMSFig. 51 - PremierLink CCN Bus Connections Fig. 52 - EconoMi$er IV Component LocationsFig. 55 - EconoMi$er2 with 4 to 20 mA Control Wiring Table 11 - EconoMi$er IV Input/Output Logic50TC INPUTSEconoMi$er IV Standard Sensors Outdoor Air Temperature OAT Sensor Supply Air Temperature SAT SensorEconoMi$er Fig. 56 - EconoMi$er IV Functional ViewFig. 59 - Outside Air Temperature Changeover Setpoints Fig. 61 - Return Air Temperature or Enthalpy Sensor Mounting LocationDifferential Dry Bulb Control Fig. 58 - EconoMi$er IV Controller Potentiometer and LED LocationsFig. 62 - Enthalpy Changeover Setpoints Fig. 63 - EonoMi$er IV Control Differential Enthalpy ControlIndoor Air Quality IAQ Sensor Input 50TCFig. 64 - CO2 Sensor Maximum Range Settings Exhaust Setpoint AdjustmentMinimum Position Control Damper MovementCO2 Sensor Configuration Demand Control Ventilation DCVTable 12 - EconoMi$er IV Sensor Usage 50TCDCV Demand Controlled Ventilation and Power Exhaust EconoMi$er IV PreparationDifferential Enthalpy Single EnthalpyWIRING DIAGRAMS EconoMi$er IV Troubleshooting CompletionPRE-START-UP PERSONAL INJURY HAZARDInternal Wiring Refrigerant Service PortsSTART-UP, GENERAL START-UP, PREMIERLINK CONTROLSMemory Reset Perform System Check-OutInitial Operation and Test Operating Sequence, Base Unit ControlsOperating Sequence, PremierLink Control 50TC50TC IAQS = IAQD + OAQ OAQ = 400 ppm if not presentTable 13 - Available Cooling Stages 50TCNUMBER OF STAGES50TC S Indoor fan has been on for at least 30 seconds S Enthalpy is low50TC 50TC equal to OCSP and Enthalpy = Low then PURGEMP = 100%Table 15 - Loadshed Command - Gas and Electric Heat Units FASTENER TORQUE VALUESTable 14 - Linkage Modes 50TCFig. 65 - 50TC Typical Unit Wiring diagram - Power A06 Table 16 - Torque Values50TC 20 +Fig. 66 - 50TC Unit Wiring Diagram - Control A06 50TCC08002 APPENDIX I. MODEL NUMBER SIGNIFICANCE Model Number NomenclatureSerial Number Format 50TCAPPENDIX II. PHYSICAL DATA Physical Data Cooling3 - 6 TONS 50TCAPPENDIX III. FAN PERFORMANCE General Fan Performance Notes50TC 1 Phase APPENDIX III. FAN PERFORMANCE cont3 Ton Horizontal Supply 3 Ton Vertical Supply3 Phase 3 PhaseAPPENDIX III. FAN PERFORMANCE cont 3 Ton Horizontal Supply4 Ton Horizontal Supply 4 Ton Vertical Supply50TC**05 1 PhasePhase 50TC**053 Phase APPENDIX III. FAN PERFORMANCE cont5 Ton Horizontal Supply 5 Ton Vertical Supply50TC**06 1 PhasePhase 3 PhaseAPPENDIX III. FAN PERFORMANCE cont 5 Ton Horizontal Supply6 Ton Horizontal Supply 6 Ton Vertical Supply50TC**07 PhasePulley Adjustment APPENDIX III. FAN PERFORMANCE cont50TC APPENDIX IV. ELECTRICAL DATA 3 TONS4 TONS 50TC**04APPENDIX IV. ELECTRICAL DATA cont 5 TONS6 TONS 50TC**06MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O APPENDIX IV. ELECTRICAL DATA cont50TC MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont APPENDIX IV. ELECTRICAL DATA cont50TC 208/230APPENDIX 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 APPENDIX V. WIRING DIAGRAM LIST Wiring Diagrams50TC PremierLinkAPPENDIX VI. MOTORMASTER SENSOR LOCATIONS Fig. 67 - 50TC*A04 Outdoor CircuitingFig. 69 - 50TC*A07 Outdoor Circuiting Fig. 68 - 50TC*A05/06 Outdoor CircuitingAPPENDIX VI. cont MOTORMASTER SENSOR LOCATIONS Fig. 71 - 50TC*A09/12 Outdoor Circuiting50TC C0826350TC Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, INPrinted in U.S.A Edition Date 05/08START-UP CHECKLIST START-UP CHECKLIST Remove and Store in Job FileTEMPERATURES PRESSURES Cooling Mode

Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 05/08

Replaces: NEW