Carrier 48TC*D08 appendix Pulley Adjustment, Unit MOTOR/DRIVE Motor Pulley Turns Open Combo

Page 93

APPENDIX III. FAN PERFORMANCE (cont.)

Pulley Adjustment

UNIT

MOTOR/DRIVE

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

COMBO

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

phase

Standard Static

747

721

695

670

644

618

592

566

541

515

489

08

Medium Static

949

927

906

884

863

841

819

798

776

755

733

 

 

 

3

High Static

1102

1083

1063

1044

1025

1006

986

967

948

928

909

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

phase

Standard Static

838

813

789

764

739

715

690

665

640

616

591

12

Medium Static

1084

1059

1035

1010

986

961

936

912

887

863

838

 

 

 

3

High Static

1240

1218

1196

1175

1153

1131

1109

1087

1066

1044

1022

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

phase

Standard Static

838

813

789

764

739

715

690

665

640

616

591

14

Medium Static

1084

1059

1035

1010

986

961

936

912

887

863

838

 

 

 

3

High Static

1240

1218

1196

1175

1153

1131

1109

1087

1066

1044

1022

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Do not adjust pulley further than 5 turns open.

- Factory settings

48TC

93

Image 93
Contents Safety Considerations Table of ContentsUnit Arrangement and Access GeneralWhat to do if you smell gas Seasonal Maintenance Routine MaintenanceSupply FAN Blower Section Supply Fan Belt-DriveManual Outside Air Hood Screen Supply-Fan Pulley Adjustment Bearings Adjustable-Pitch Pulley on MotorPeriodic Clean Water Rinse Coil Maintenance and Cleaning RecommendationCooling Condenser CoilRoutine Cleaning of Evaporator Coil Sufaces Routine Cleaning of Novation Condenser Coil SurfacesRefrigerant System Pressure Access Ports Puronr R-410A RefrigerantRefrigerant Charge Seatcore Cooling Charging Charts D08 Cooling Charging ChartsCooling Charging Charts D12 Cooling Charging Charts D14 Circuit a Cooling Charging Charts D14 Circuit B Problem Cause Remedy Cooling Service AnalysisCondenser-Fan Adjustment D14 size Condenser-Fan Adjustment D08-D12 sizeTroubleshooting Cooling System CompressorsUnit-Powered Type Non-Powered TypeConvenience Outlets Duty CycleSmoke Detectors Typical Supply Air Smoke Detector Sensor Location Smoke Detector LocationsFiop Smoke Detector Wiring and Response Completing Installation of Return Air Smoke SensorSensor Alarm Test Procedure Sensor Alarm TestController Alarm Test Sensor and Controller TestsDirty Controller Test Procedure Controller Alarm Test ProcedureDirty Sensor Test Procedure To Configure the Dirty Sensor Test OperationSD-TRK4 Remote Alarm Test Procedure Detector CleaningRemote Test/Reset Station Dirty Sensor Test Dirty Sensor Test Using an SD-TRK4Troubleshooting Compressor Protection Protective DevicesGAS Heating System Control CircuitFuel Types and Pressures Combustion-Air Blower Flue Gas PassagewaysMain Burners Burners and IgnitersCleaning and Adjustment Check Unit Operation and Make Necessary AdjustmentsLimit Switch LED Error Code Description LED Indication Error Code DescriptionBurner Ignition Gas Valve Orifice ReplacementOutputs Integrated Gas Control IGC Board IGC ConnectionsAltitude Compensation Orifice SizesOrifice Carrier Drill Drill Size Part Number ElevationMinimum Heating Entering Air Temperature Troubleshooting Heating SystemHeating Service Analysis Problem Cause RemedyIGC IGC Board LED Alarm CodesCondenser Coil Service Repairing Novation Condenser Tube LeaksReplacing Novation Condenser Coil PREMIERLINKt Control Typical PremierLinkt System Control Wiring Diagram Temp Resistance 55 Space Temperature Sensor WiringSpace Sensor Mode TB1 Terminal Field Connection Input SignalPremierLink Sensor Usage 56 Internal Connections Thermostat ModeLctb Indoor CO2 Sensor 33ZCSENCO2 Connections PremierLink Filter Switch Connection RTU-MP Control System Signal Type CCN BUS Wire CCN Plug PIN Color NumberRecommended Cables Color Code RecommendationsRTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs Configurable InputsPoint Name Type of I/O Connection PIN Name Numbers InputsRTU-MP T-55 Sensor Connections Space Temperature SPT SensorsRTU-MP / Indoor CO2 Sensor 33ZCSENCO2 Connections Connecting Discrete Inputs Power Exhaust outputCommunication Wiring Protocols RTU-MP Troubleshooting LEDs BACview6 Handheld ConnectionsTroubleshooting Alarms BACnet MS/TP AlarmsModule Status Report Modstat Example Modbus Basic Protocol TroubleshootingManufacture Date Code Name MeaningEconoMi$er IV Component Locations ECONOMI$ER SystemsEconoMi$er IV Wiring EconoMi$er EconoMi$er IV Input/Output LogicInputs Outputs Outdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er IV Control Modes Outdoor Dry Bulb ChangeoverOutdoor Enthalpy Changeover Differential Dry Bulb ControlExhaust Setpoint Adjustment Indoor Air Quality IAQ Sensor InputMinimum Position Control Damper Movement ThermostatsDemand Control Ventilation DCV CO2 Sensor Configuration CO2 Sensor Standard SettingsAnalog CO2 EconoMi$er IV Sensor Usage DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Differential EnthalpyEconoMi$er IV Troubleshooting Completion Wiring DiagramsDCV Minimum and Maximum Position Supply-Air Sensor Input48TC Typical Unit Wiring Diagram Power D08, 208/230-3-60 48TC Typical Unit Wiring Diagram Control D08, 208/230-3-60 START-UP, General PRE-START-UPUnit Preparation Gas PipingRefrigerant Service Ports Internal WiringReturn-Air Filters Outdoor-Air Inlet ScreensSTART-UP, RTU-MP Control Field Service TestVentilation Continuous Fan Perform System Check-OutConfiguration Cooling 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 @ 20mAOperating Sequences PremierLinkt Control Supplemental Controls48TC 48TC Number Stages Economizer Available Cooling Stages48TC 48TC Linkage Modes Rooftop Mode Value Linkage ModeAlways Occupied Default Occupancy Loadshed Command Gas and Electric Heat UnitsRTU-MP Sequence of Operation SchedulingBAS On/Off BACnet ScheduleDI On/Off Indoor FanFastener Torque Values Power ExhaustEconomizer Indoor Air QualityTorque Values Model Number Nomenclature Appendix I. Model Number SignificanceSerial Number Format Position Number Typical DesignatesAppendix II. Physical Data Physical Data12.5TONS Physical Data Heating 12.5TONS Heat Anticipator Setting Amps48TC**08 48TC**12 48TC**14 Gas Connection Natural Gas Heat, Liquid Propane HeatCFM RPM BHP Appendix III. FAN Performance579 FAN PerformanceRPM BHP 48TC**14Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Pulley AdjustmentElectrical Information MCA/MOCP Determination no C.O. or Unpwrd C.O Unit Combustion PowerNOM IFM FAN Motor Exhaust No P.E Type DISC. SizeAppendix IV. Wiring Diagram List Wiring DiagramsSize Voltage Control Power Catalog No 48TC-3SM Appendix V. Motormaster Sensor LocationsPreliminary Information Unit START-UP Checklist