Torque Values | Carrier 48TC*D08 instruction

Table 33 – Torque Values

Supply fan motor mounting	120 ¦ 12 in---lbs		13.5 ¦ 1.4 Nm

Supply fan motor adjustment plate	120 ¦ 12 in---lbs		13.5 ¦ 1.4 Nm

Motor pulley setscrew	72	¦ 5 in---lbs	8.1 ¦ 0.6 Nm

Fan pulley setscrew	72	¦ 5 in---lbs	8.1 ¦ 0.6 Nm

Blower wheel hub setscrew	72	¦ 5 in---lbs	8.1 ¦ 0.6 Nm

Bearing locking collar setscrew	65 to70 in---lbs		7.3 to 7.9 Nm
Compressor mounting bolts	65 to75 in---lbs		7.3 to 7.9 Nm

Condenser fan motor mounting bolts	20	¦ 2 in---lbs	2.3 ¦ 0.2 Nm

Condenser fan hub setscrew	84	¦ 12 in---lbs	9.5 ¦ 1.4 Nm

48TC

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Carrier 48TC*D08 appendix Torque Values

Contents

Table of Contents Safety Considerations What to do if you smell gas Unit Arrangement and AccessGeneral Routine Maintenance Seasonal Maintenance Manual Outside Air Hood Screen Supply FAN Blower SectionSupply Fan Belt-Drive Adjustable-Pitch Pulley on Motor Supply-Fan Pulley Adjustment Bearings Cooling Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse Condenser Coil Routine Cleaning of Novation Condenser Coil Surfaces Routine Cleaning of Evaporator Coil Sufaces Refrigerant Charge Refrigerant System Pressure Access PortsPuronr R-410A Refrigerant Seatcore Cooling Charging Charts Cooling Charging Charts D08 Cooling Charging Charts D12 Cooling Charging Charts D14 Circuit a Cooling Charging Charts D14 Circuit B Cooling Service Analysis Problem Cause Remedy Troubleshooting Cooling System Condenser-Fan Adjustment D08-D12 sizeCondenser-Fan Adjustment D14 size Compressors Convenience Outlets Non-Powered TypeUnit-Powered Type Duty Cycle Smoke Detectors Smoke Detector Locations Typical Supply Air Smoke Detector Sensor Location Completing Installation of Return Air Smoke Sensor Fiop Smoke Detector Wiring and Response Controller Alarm Test Sensor Alarm TestSensor Alarm Test Procedure Sensor and Controller Tests Dirty Sensor Test Procedure Controller Alarm Test ProcedureDirty Controller Test Procedure To Configure the Dirty Sensor Test Operation Remote Test/Reset Station Dirty Sensor Test Detector CleaningSD-TRK4 Remote Alarm Test Procedure Dirty Sensor Test Using an SD-TRK4 Troubleshooting Protective Devices Compressor Protection Fuel Types and Pressures GAS Heating SystemControl Circuit Flue Gas Passageways Combustion-Air Blower Burners and Igniters Main Burners Limit Switch Cleaning and AdjustmentCheck Unit Operation and Make Necessary Adjustments Burner Ignition LED Error Code DescriptionLED Indication Error Code Description Orifice Replacement Gas Valve Integrated Gas Control IGC Board IGC Connections Outputs Orifice Carrier Drill Drill Size Part Number Orifice SizesAltitude Compensation Elevation Heating Service Analysis Troubleshooting Heating SystemMinimum Heating Entering Air Temperature Problem Cause Remedy IGC Board LED Alarm Codes IGC Replacing Novation Condenser Coil Condenser Coil ServiceRepairing Novation Condenser Tube Leaks PREMIERLINKt Control Typical PremierLinkt System Control Wiring Diagram 55 Space Temperature Sensor Wiring Temp Resistance PremierLink Sensor Usage Space Sensor ModeTB1 Terminal Field Connection Input Signal Thermostat Mode 56 Internal Connections Lctb Indoor CO2 Sensor 33ZCSENCO2 Connections PremierLink Filter Switch Connection Recommended Cables Signal Type CCN BUS Wire CCN Plug PIN Color NumberRTU-MP Control System Color Code Recommendations RTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram Point Name Configurable InputsRTU-MP Controller Inputs and Outputs Type of I/O Connection PIN Name Numbers Inputs Space Temperature SPT Sensors RTU-MP T-55 Sensor Connections RTU-MP / Indoor CO2 Sensor 33ZCSENCO2 Connections Communication Wiring Protocols Connecting Discrete InputsPower Exhaust output RTU-MP Troubleshooting BACview6 Handheld Connections LEDs Troubleshooting Alarms Alarms BACnet MS/TP Module Status Report Modstat Example Manufacture Date Basic Protocol TroubleshootingModbus Code Name Meaning ECONOMI$ER Systems EconoMi$er IV Component Locations EconoMi$er IV Wiring Inputs Outputs EconoMi$erEconoMi$er IV Input/Output Logic EconoMi$er IV Control Modes Supply Air Temperature SAT SensorOutdoor Air Lockout Sensor Outdoor Dry Bulb Changeover Differential Dry Bulb Control Outdoor Enthalpy Changeover Minimum Position Control Exhaust Setpoint AdjustmentIndoor Air Quality IAQ Sensor Input Demand Control Ventilation DCV Damper MovementThermostats Analog CO2 CO2 Sensor ConfigurationCO2 Sensor Standard Settings EconoMi$er IV Preparation DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Sensor Usage Differential Enthalpy DCV Minimum and Maximum Position Wiring DiagramsEconoMi$er IV Troubleshooting Completion Supply-Air Sensor Input 48TC Typical Unit Wiring Diagram Power D08, 208/230-3-60 48TC Typical Unit Wiring Diagram Control D08, 208/230-3-60 Unit Preparation PRE-START-UPSTART-UP, General Gas Piping Return-Air Filters Internal WiringRefrigerant Service Ports Outdoor-Air Inlet Screens Ventilation Continuous Fan Field Service TestSTART-UP, RTU-MP Control Perform System Check-Out Configuration Heating Heating SAT High Setpt Cooling/Econ SAT Low SetptCooling Lockout Temp Heating Lockout Temp IAQ Low Reference @ 4mA Power Exhaust SetptT55/56 Override Duration IAQ High Reference @ 20mA Operating Sequences Supplemental Controls PremierLinkt Control 48TC 48TC Available Cooling Stages Number Stages Economizer 48TC 48TC Rooftop Mode Value Linkage Mode Linkage Modes RTU-MP Sequence of Operation Loadshed Command Gas and Electric Heat UnitsAlways Occupied Default Occupancy Scheduling DI On/Off BACnet ScheduleBAS On/Off Indoor Fan Economizer Power ExhaustFastener Torque Values Indoor Air Quality Torque Values Serial Number Format Appendix I. Model Number SignificanceModel Number Nomenclature Position Number Typical Designates 12.5TONS Appendix II. Physical DataPhysical Data 48TC**08 48TC**12 48TC**14 Gas Connection Heat Anticipator Setting AmpsPhysical Data Heating 12.5TONS Natural Gas Heat, Liquid Propane Heat Appendix III. FAN Performance CFM RPM BHP FAN Performance 579 48TC**14 RPM BHP Pulley Adjustment Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Electrical Information NOM IFM FAN Motor Exhaust No P.E Unit Combustion PowerMCA/MOCP Determination no C.O. or Unpwrd C.O Type DISC. Size Size Voltage Control Power Appendix IV. Wiring Diagram ListWiring Diagrams Appendix V. Motormaster Sensor Locations Catalog No 48TC-3SM Unit START-UP Checklist Preliminary Information