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Carrier 48TC*D08 appendix Appendix I. Model Number Significance, Model Number Nomenclature

Models: 48TC*D08

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APPENDIX I. MODEL NUMBER SIGNIFICANCE

APPENDIX I. MODEL NUMBER SIGNIFICANCE

Model Number Nomenclature

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18

4	8	T	C	D	D	0	8	A	1	A	5	--	0	A	0	A	0
____		____				____

Unit Heat Type

48 = Cooling/Gas Heat RTU

Tier / Model

TC = Entry tier (with PuronR refrigerant)

Heat Size

D = Low heat

E = Medium heat

F = High heat

S = Stainless steel, low heat

R = Stainless steel, medium heat

T = Stainless steel, high heat

Refrig. System Options

D = 2--- stg. cooling comp. w/NOVATIONt coil

Cooling Tons

08 = 7.5 Ton

12 = 10 Ton

14 = 12.5 Ton

Sensor Options

A = None

B = RA smoke detector

C = SA smoke detector

D = RA & SA smoke detector

E= CO2 sensor

F= RA smoke detector & CO2

G= SA smoke detector & CO2

H= RA & SA smoke detector & CO2

Indoor Fan Options

1 = Standard static option

2 = Medium static option

3 = High static option

Brand / Packaging

0 = Standard

1 = LTL

Electrical Options

A = None

C= Non--- fused disc

D= Thru the base

F = Non--- fused & thru the base

Service Options

0 = None

1 = Unpowered convenience outlet

2 = Powered convenience outlet

Intake / Exhaust Options

A = None

B = Temp econo w/ baro relief

F = Enthalpy econo w/ baro relief

K = 2--- Position damper

Base Unit Controls

0 = Electromechanical

1 = PremierLink DDC controller

2 = RTU--- MP multi protocol controller

Design Rev

Factory assigned

Voltage

1 = 575/3/60

5 = 208---230/3/60

6 = 460/3/60

2---Stage Cooling Coil Options (Outdoor --- Indoor)

G = Al/Al ---	Al/Cu
T = Al/Al ---	Al/Cu --- Louvered Hail Guards

48TC

Serial Number Format

POSITION NUMBER		1		2	3	4		5		6		7		8	9	10

TYPICAL		4		8	0	8		G		1		2		3	4	5

	POSITION								DESIGNATES
	1--- 2						Week of manufacture (fiscal calendar)
	3--- 4						Year of manufacture (“08” = 2008)
	5					Manufacturing location (G = ETP, Texas, USA)
	6--- 10							Sequential number

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Carrier 48TC*D08 appendix Appendix I. Model Number Significance, Model Number Nomenclature, Serial Number Format

Contents

With Puron R---410ARefrigerant TABLE OF CONTENTSSAFETY CONSIDERATIONS Service and Maintenance InstructionsGeneral UNIT ARRANGEMENT AND ACCESSUNIT OPERATION AND SAFETY HAZARD Fig. 1 - Typical Access Panel Locations BackAir Conditioning Routine MaintenanceSeasonal Maintenance Fig. 2 - Typical Access Panel Location FrontSupply Fan Belt-Drive Fig. 3 - Filter InstallationFig. 4 - Screens Installed on Outdoor-AirHood SUPPLY FAN BLOWER SECTION48TC Adjustable-PitchPulley on MotorFig. 6 - Supply-FanPulley Adjustment Bearings Fig. 7 - Tightening Locking Collar MotorCondenser Coil Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse COOLINGPERSONAL INJURY HAZARD Routine Cleaning of Evaporator Coil SufacesPERSONAL INJURY HAZARD PERSONAL INJURY HAZARDRefrigerant Charge Refrigerant System Pressure Access PortsTo Use Cooling Charging Charts PURONR R-410AREFRIGERANTFig. 9 - CoreMax Access Port Assembly SEATCORE48TC COOLING CHARGING CHARTS Fig. 10 - Cooling Charging Charts D0848TC C08670 Fig. 11 - Cooling Charging Charts D12COOLING CHARGING CHARTS 48TCC09151 Fig. 12 - Cooling Charging Charts D14 - Circuit ACOOLING CHARGING CHARTS 48TCC09152 Fig. 13 - Cooling Charging Charts D14 - Circuit BCOOLING CHARGING CHARTS 48TC48TC Table 1 - Cooling Service AnalysisFig. 14 - Condenser Fan Adjustment D08-D12 Condenser-FanAdjustment D08-D12sizeCondenser-FanAdjustment D14 size Troubleshooting Cooling SystemCONVENIENCE OUTLETS Non-PoweredTypeUnit-PoweredType Fig. 17 - Powered Convenience Outlet WiringFig. 18 - Controller Assembly MaintenanceFuse On Powered Type Using Unit-MountedConvenience OutletsFig. 21 - Typical Return Air Detector Location Smoke Detector LocationsLocation Fig. 19 - Smoke Detector SensorFig. 24 - Return Air Sensor Operating Position FIOP Smoke Detector Wiring and ResponseFig. 22 - Return Air Sampling Tube Location Fig. 23 - Return Air Detector Shipping PositionController Alarm Test Fig. 25 - Typical Smoke Detector System WiringSensor Alarm Test Sensor Alarm Test ProcedureTo Configure the Dirty Sensor Test Operation Controller Alarm Test ProcedureDirty Controller Test Procedure Dirty Sensor Test ProcedureDirty Sensor Test Using an SD-TRK4 Detector CleaningSD-TRK4Remote Alarm Test Procedure Remote Test/Reset Station Dirty Sensor TestFig. 28 - Controller Assembly INDICATORSTroubleshooting Alarm StateHigh Pressure Switch Table 3 – Detector IndicatorsController’s Power LED is Off OvertemperatureFuel Types and Pressures Fig. 30 - Limit Switch LocationGAS HEATING SYSTEM Control Circuit48TC Fig. 31 - LP Low Pressure Switch InstalledFlue Gas Passageways Combustion-AirBlowerEQUIPMENT DAMAGE HAZARD Fig. 33 - Heat Exchanger AssemblyRemoval and Replacement of Gas Train Burners and IgnitersFig. 36 - Unit Control Box/IGC Location Cleaning and AdjustmentLimit Switch Fig. 35 - Burner Tray Details48TC Fig. 37 - Spark AdjustmentTable 9 – LED Error Code Description Burner IgnitionOrifice Replacement Fig. 38 - Gas Valve48TC 48TC Fig. 39 - Integrated Gas Control IGC BoardTable 10 - IGC Connections Red LED-StatusTable 11 – Orifice Sizes Table 12 - Altitude Compensation*48TC Fig. 40 - OATL Connections Troubleshooting Heating SystemMinimum Heating Entering Air Temperature Table 13 – Heating Service AnalysisDESCRIPTION Table 14 – IGC Board LED Alarm CodesRESET METHOD 48TCFig. 41 - PremierLinkt Controller CONDENSER COIL SERVICERepairing NOVATION Condenser Tube Leaks Replacing NOVATION Condenser CoilROOF CURB RETURN AIR PREMIERLINKt CONTROLSUPPLY AIR TEMPERATURE SENSOR SUPPLY AIR 48TCC08665 48TCFig. 44 - T-55Space Temperature Sensor Wiring Fig. 45 - PremierLink T-55Sensor48TC Table 16 – PremierLink Sensor Usage Table 17 - Space Sensor Mode48TC Fig. 48 - Space Thermostat Connections Table 18 – Thermostat ModeFig. 46 - T-56Internal Connections Fig. 47 - PremierLink T-56SensorEnthalpy Connections 33ZCSENCO2 - Typical Wiring DiagramFig. 51 - Indoor/Outdoor Air Quality CO2 Sensor Fig. 52 - Indoor CO2 Sensor 33ZCSENCO2Connection Fig. 55 - PremierLink Filter Switch ConnectionFig. 56 - PremierLink Wiring Fan Pressure Switch Fig. 57 - PremierLink Wiring Remote OccupiedTable 20 – Color Code Recommendations Fig. 58 - PremierLinkt Power Exhaust OutputRTU-MPCONTROL SYSTEM Table 19 – Recommended CablesFig. 60 - RTU-MP Multi-ProtocolControl Board 48TCC07129 C09163 48TCPOINT NAME Table 21 – RTU-MPController Inputs and OutputsCONFIGURABLE 48TCFig. 63 - RTU-MP T-56Sensor Connections Space Temperature SPT SensorsFig. 64 - Space Temperature Sensor Typical Wiring Fig. 62 - RTU-MP T-55Sensor ConnectionsFig. 65 - RTU-MP /Indoor CO2 Sensor 33ZCSENCO2 Connections48TC Fig. 67 - RTU-MPPower Exhaust Connections Connecting Discrete InputsPower Exhaust output Communication Wiring - ProtocolsBACnet MS/TP RTU-MPTroubleshootingFig. 68 - RTU-MPSW3 Dip Switch Settings Local Access48TC Fig. 69 - BACview6 Handheld ConnectionsTable 22 – LEDs And Error LED showsACTION TAKEN BY Table 23 – Troubleshooting AlarmsRESET 48TCSAT Sensor Alarm AlarmsSafety Chain Alarm Fire Shutdown Alarm48TC Fig. 70 - Module Status Report Modstat ExampleTable 26 – Modbus Exception Codes that May be Table 25 – Basic Protocol TroubleshootingModbus Table 24 – Manufacture Date48TC ECONOMI$ER SYSTEMSFig. 71 - EconoMi$er IV Component Locations Fig. 72 - EconoMi$er2 Component Locations48TC Fig. 73 - EconoMi$er IV WiringFig. 75 - EconoMi$er IV Functional View Outdoor Air Temperature OAT SensorEconoMi$er Table 27 – EconoMi$er IV Input/Output LogicOutdoor Air Lockout Sensor Supply Air Temperature SAT SensorFig. 78 - Outside Air Temperature Changeover Fig. 76 - Supply Air Sensor LocationFig. 81 - Enthalpy Changeover Setpoints Differential Dry Bulb ControlOutdoor Enthalpy Changeover Mounting LocationDifferential Enthalpy Control Fig. 83 - CO2 Sensor Maximum Range SettingsExhaust Setpoint Adjustment Fig. 82 - EconoMi$er IV Control48TC Damper MovementThermostats Demand Control Ventilation DCVCO2 Sensor Configuration Table 28 – CO2 Sensor Standard Settings48TC Single Enthalpy Table 29 - EconoMi$er IV Sensor UsageEconoMi$er IV Preparation Differential EnthalpySupply-AirSensor Input WIRING DIAGRAMSEconoMi$er IV Troubleshooting Completion DCV Minimum and Maximum PositionC09156 48TCC09157 48TCGas Piping PRE-START-UPSTART-UP,GENERAL Unit PreparationOutdoor-AirInlet Screens Internal WiringRefrigerant Service Ports Return-AirFiltersSTART-UP, RTU-MPCONTROL Field Service TestMemory Reset START-UP,PREMIERLINKt CONTROLSSupply Fan Service Hours ConfigurationUnit Start Delay Filter Service HoursHeating Lockout Temp Cooling/Econ SAT Low SetptCooling Lockout Temp Heating Heating SAT High SetptIAQ High Reference @ 20mA Power Exhaust SetptT55/56 Override Duration IAQ Low Reference @ 4mAHeating, Units Without Economizer OPERATING SEQUENCESBase Unit Controls Cooling, Units Without EconomizerSupplemental Controls PremierLinkt Control48TC 48TC IAQS = IAQD + OAQ OAQ = 400 ppm if not present48TC SWhen Pre-OccupancyPurge is active48TC Table 30 – Available Cooling StagesS Indoor fan has been ON for at least 30 seconds 48TC48TC IAQS = IAQD + OAQ OAQ = 400 ppm if not present48TC Table 31 – Linkage ModesHeat Units Table 32 – Loadshed Command — Gas and ElectricAlways Occupied Default Occupancy RTU-MPSequence of OperationIndoor Fan BACnet ScheduleBAS On/Off DI On/OffIndoor Air Quality Power ExhaustFASTENER TORQUE VALUES Economizer48TC Table 33 – Torque Values48TC APPENDIX I. MODEL NUMBER SIGNIFICANCEModel Number Nomenclature Serial Number FormatCooling APPENDIX II. PHYSICAL DATAPhysical Data 7.5 - 12.5TONS7.5 - 12.5TONS APPENDIX II. PHYSICAL DATA contPhysical Data Heating7.5 TON VERTICAL SUPPLY 3 PHASEAPPENDIX III. FAN PERFORMANCE 7.5 TON HORIZONTAL SUPPLY3 PHASE 10 TON HORIZONTAL SUPPLY10 TON VERTICAL SUPPLY 48TC**123 PHASE 48TC**1412.5 TON VERTICAL SUPPLY 12.5 TON HORIZONTAL SUPPLYPulley Adjustment APPENDIX III. FAN PERFORMANCE cont48TC 2---StageCooling ELECTRICAL INFORMATION48TC 48TC*D08MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O 48TCAPPENDIX IV. WIRING DIAGRAM LIST Wiring Diagrams48TC APPENDIX V. MOTORMASTER SENSOR LOCATIONS Fig. 86 - 48TC*D08-D12Outdoor Circuiting48TC III. START-UP UNIT START-UPCHECKLISTTEMPERATURES I. PRELIMINARY INFORMATION