Orifice Sizes, Altitude Compensation, Elevation | Carrier 48TC*D08

48TC

Table 11 – Orifice Sizes

ORIFICE	CARRIER	DRILL
DRILL SIZE	PART NUMBER	DIA. (in.)

#30	LH32RF129	0.1285
1/8	LH32RF125	0.1250

#31	LH32RF120	0.1200

#32	LH32RF116	0.1160
#33	LH32RF113	0.1130

#34	LH32RF111	0.1110

#35	LH32RF110	0.1100
#36	LH32RF105	0.1065

#37	LH32RF104	0.1040
#38	LH32RF102	0.1015
#39	LH32RF103	0.0995

#40	LH32RF098	0.0980
#41	LH32RF096	0.0960
#42	LH32RF094	0.0935

#43	LH32RF089	0.0890
#44	LH32RF086	0.0860

#45	LH32RF082	0.0820

#46	LH32RF080	0.0810
#47	LH32RF079	0.0785

#48	LH32RF076	0.0760
#49	LH32RF073	0.0730
#50	LH32RF070	0.0700

#51	LH32RF067	0.0670
#52	LH32RF065	0.0635
#53	LH32RF060	0.0595

#54	LH32RF055	0.0550
#55	LH32RF052	0.0520

#56	LH32RF047	0.0465

#57	LH32RF043	0.0430
#58	LH32RF042	0.0420

Table 12 - Altitude Compensation* (08-14)


			125,000					250,000		180,000, 224,000
ELEVATION			BTUH Nominal					BTUH Nominal		BTUH Nominal
ft (m)			NG Orifice		LP Orifice		NG Orifice		LP Orifice	NG Orifice	LP Orifice
			Size		Size			Size	Size	Size	Size
0 --- 2000 (610)			311		493			†30	463	311	483
2000	(610)		321		503			†30	473	321	493
3000	(914)		321		503			311	473	321	493
4000 (1219)			331		503			311	483	331	493
5000 (1524)			331		514			311	483	331	503
6000 (1829)			341		514			311	483	341	503
7000 (2134)			351		514			321	493	351	503
8000 (2438)			361		524			331	493	361	514
9000 (2743)			372		524			341	503	372	514
10000	(3048)		382		524			351	503	382	524
11000	(3353)		392		534			361	514	392	524
12000	(3658)		†41		534			372	514	†41	534
13000	(3962)		†42		544			382	524	†42	534
14000	(4267)		†43		544			†40	534	†43	544
LEGEND								1 = CRLPELEV001A00
NG = Natural Gas		LP = Liquid Propane						1 = CRLPELEV001A00
* As the height above sea level increases, there is less oxygen								2 = CRLPELEV002A00
per cubic ft. of air. Therefore, heat input rate should be reduced								3 = CRLPELEV003A00
at higher altitudes.								4 = CRLPELEV004A00
{ Not included in kit. May be purchased separately through

dealer.

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Image 32

Carrier 48TC*D08 Orifice Sizes, Altitude Compensation, Orifice Carrier Drill Drill Size Part Number, Elevation, LP Orifice

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 Coil Maintenance and Cleaning Recommendation Periodic Clean Water RinseCooling 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 Condenser-Fan Adjustment D08-D12 size Condenser-Fan Adjustment D14 sizeTroubleshooting Cooling System Compressors Non-Powered Type Unit-Powered TypeConvenience Outlets 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 Sensor Alarm Test Sensor Alarm Test ProcedureController Alarm Test Sensor and Controller Tests Controller Alarm Test Procedure Dirty Controller Test ProcedureDirty Sensor Test Procedure To Configure the Dirty Sensor Test Operation Detector Cleaning SD-TRK4 Remote Alarm Test ProcedureRemote Test/Reset Station Dirty Sensor Test 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 Sizes Altitude CompensationOrifice Carrier Drill Drill Size Part Number Elevation Troubleshooting Heating System Minimum Heating Entering Air TemperatureHeating Service Analysis 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 Signal Type CCN BUS Wire CCN Plug PIN Color Number RTU-MP Control SystemRecommended Cables Color Code Recommendations RTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram Configurable Inputs RTU-MP Controller Inputs and OutputsPoint Name 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 Basic Protocol Troubleshooting ModbusManufacture Date Code Name Meaning ECONOMI$ER Systems EconoMi$er IV Component Locations EconoMi$er IV Wiring Inputs Outputs EconoMi$erEconoMi$er IV Input/Output Logic Supply Air Temperature SAT Sensor Outdoor Air Lockout SensorEconoMi$er IV Control Modes 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 DCV Demand Controlled Ventilation and Power Exhaust EconoMi$er IV Sensor UsageEconoMi$er IV Preparation Differential Enthalpy Wiring Diagrams EconoMi$er IV Troubleshooting CompletionDCV Minimum and Maximum Position 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 PRE-START-UP START-UP, GeneralUnit Preparation Gas Piping Internal Wiring Refrigerant Service PortsReturn-Air Filters Outdoor-Air Inlet Screens Field Service Test START-UP, RTU-MP ControlVentilation Continuous Fan Perform System Check-Out Configuration Cooling/Econ SAT Low Setpt Cooling Lockout TempHeating Heating SAT High Setpt Heating Lockout Temp Power Exhaust Setpt T55/56 Override DurationIAQ Low Reference @ 4mA 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 Loadshed Command Gas and Electric Heat Units Always Occupied Default OccupancyRTU-MP Sequence of Operation Scheduling BACnet Schedule BAS On/OffDI On/Off Indoor Fan Power Exhaust Fastener Torque ValuesEconomizer Indoor Air Quality Torque Values Appendix I. Model Number Significance Model Number NomenclatureSerial Number Format Position Number Typical Designates 12.5TONS Appendix II. Physical DataPhysical Data Heat Anticipator Setting Amps Physical Data Heating 12.5TONS48TC**08 48TC**12 48TC**14 Gas Connection 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 Unit Combustion Power MCA/MOCP Determination no C.O. or Unpwrd C.ONOM IFM FAN Motor Exhaust No P.E 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