MCA/MOCP Determination no C.O. or Unpwrd C.O | Carrier 50TCA04-A07

50TC

APPENDIX IV. ELECTRICAL DATA (cont)

MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. (cont)

	--- HZ		ELECTRIC HEATER					NO C.O. or UNPWR C.O.
	--- HZ
UNIT	V--- PH	IFM				NO P.E.					w/ P.E. (pwrd fr/unit)
		IFM
		TYPE
		TYPE	Nom (kW)	FLA			DISC. SIZE						DISC. SIZE
	NOM.		Nom (kW)	FLA	MCA	MOCP	DISC. SIZE			MCA		MOCP	DISC. SIZE
	NOM.
							FLA		LRA				FLA	LRA
							FLA		LRA				FLA	LRA

			None	None	33.7	50	32		133	35.6		50	35	135
			3.3/4.4	15.9/18.3	33.7/33.7	50/50	32/32		133/133	35.6/35.6		50/50	35/35	135/135
		STD	6.5/8.7	31.4/36.3	45.4/51.5	50/60	42/47		133/133	47.8/53.9		50/60	44/50	135/135
	---60	STD	9.8/13.0	46.9/54.2	64.8/73.9	70/80	60/68		133/133	67.1/76.3		70/80	62/70	135/135
			9.8/13.0	46.9/54.2	64.8/73.9	70/80	60/68		133/133	67.1/76.3		70/80	62/70	135/135
			13.1/17.4	62.8/72.5	84.6/96.8	90/100	78/89		133/133	87.0/99.1		90/100	80/91	135/135
	---1		15.8/21.0	75.8/87.5	100.9/115.5	110/125	93/106		133/133	103.3/117.9		110/125	95/108	135/135
	208/230
			None	None	33.7	50	32		133	35.6		50	35	135
			3.3/4.4	15.9/18.3	33.7/33.7	50/50	32/32		133/133	35.6/35.6		50/50	35/35	135/135
		MED	6.5/8.7	31.4/36.3	45.4/51.5	50/60	42/47		133/133	47.8/53.9		50/60	44/50	135/135
		MED	9.8/13.0	46.9/54.2	64.8/73.9	70/80	60/68		133/133	67.1/76.3		70/80	62/70	135/135
			9.8/13.0	46.9/54.2	64.8/73.9	70/80	60/68		133/133	67.1/76.3		70/80	62/70	135/135
			13.1/17.4	62.8/72.5	84.6/96.8	90/100	78/89		133/133	87.0/99.1		90/100	80/91	135/135
			15.8/21.0	75.8/87.5	100.9/115.5	110/125	93/106		133/133	103.3/117.9		110/125	95/108	135/135

			None	None	23.5	30	23		99	25.4		30	25	101
			4.9/6.5	13.6/15.6	23.5/25.6	30/30	23/24		99/99	25.5/28.0		30/30	25/26	101/101
		STD	6.5/8.7	18.1/20.9	28.8/32.3	30/35	26/30		99/99	31.1/34.6		35/35	29/32	101/101
			12.0/16.0	33.4/38.5	47.9/54.3	50/60	44/50		99/99	50.3/56.6		60/60	46/52	101/101
	60		15.8/21.0	43.8/50.5	60.9/69.3	70/70	56/64		99/99	63.3/71.6		70/80	58/66	101/101

			None	None	23.5	30	23		99	25.4		30	25	101
	3---		4.9/6.5	13.6/15.6	23.5/25.6	30/30	23/24		99/99	25.5/28.0		30/30	25/26	101/101
	---	MED	6.5/8.7	18.1/20.9	28.8/32.3	30/35	26/30		99/99	31.1/34.6		35/35	29/32	101/101
50TC**05	208/230	MED	6.5/8.7	18.1/20.9	28.8/32.3	30/35	26/30		99/99	31.1/34.6		35/35	29/32	101/101
50TC**05	208/230		12.0/16.0	33.4/38.5	47.9/54.3	50/60	44/50		99/99	50.3/56.6		60/60	46/52	101/101
			12.0/16.0	33.4/38.5	47.9/54.3	50/60	44/50		99/99	50.3/56.6		60/60	46/52	101/101
			15.8/21.0	43.8/50.5	60.9/69.3	70/70	56/64		99/99	63.3/71.6		70/80	58/66	101/101

			None	None	23.8	30	23		117	25.7		30	26	119
			4.9/6.5	13.6/15.6	23.8/26.0	30/30	23/24		117/117	25.9/28.4		30/30	26/26	119/119
		HIGH	6.5/8.7	18.1/20.9	29.1/32.6	30/35	27/30		117/117	31.5/35.0		35/40	29/32	119/119
			12.0/16.0	33.4/38.5	48.3/54.6	50/60	44/50		117/117	50.6/57.0		60/60	47/52	119/119
			15.8/21.0	43.8/50.5	61.3/69.6	70/70	56/64		117/117	63.6/72.0		70/80	59/66	119/119

			None	None	10.7	15	10		49	11.7		15	12	50
			6.0	7.2	11.6	15	11		49	12.9		15	12	50
		STD	11.5	13.8	19.9	20	18		49	21.1		25	19	50
			14.0	16.8	23.6	25	22		49	24.9		25	23	50
			23.0	27.7	37.3	40	34		49	38.5		40	35	50

	60		None	None	10.7	15	10		49	11.7		15	12	50
	60		6.0	7.2	11.6	15	11		49	12.9		15	12	50
	3---		6.0	7.2	11.6	15	11		49	12.9		15	12	50
	3---	MED	11.5	13.8	19.9	20	18		49	21.1		25	19	50
	---	MED	11.5	13.8	19.9	20	18		49	21.1		25	19	50
	---		14.0	16.8	23.6	25	22		49	24.9		25	23	50
	460		14.0	16.8	23.6	25	22		49	24.9		25	23	50
	460		23.0	27.7	37.3	40	34		49	38.5		40	35	50
			23.0	27.7	37.3	40	34		49	38.5		40	35	50

			None	None	11.2	15	11		58	12.2		15	12	59
			6.0	7.2	12.3	15	11		58	13.5		15	12	59
		HIGH	11.5	13.8	20.5	25	19		58	21.8		25	20	59
			14.0	16.8	24.3	25	22		58	25.5		30	23	59
			23.0	27.7	37.9	40	35		58	39.1		40	36	59

	60	STD	None	None	8.5	15	8		44	10.4		15	11	46
	3---	MED	None	None	8.5	15	8		44	10.4		15	11	46
	---	MED	None	None	8.5	15	8		44	10.4		15	11	46
	---
	575	HIGH	None	None	8.6	15	9		50	10.5		15	11	52
		HIGH	None	None	8.6	15	9		50	10.5		15	11	52

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Carrier 50TCA04-A07 appendix MCA/MOCP Determination no C.O. or Unpwrd C.O, 78/89

50TCA04-A07 specifications

The Carrier 50TCA04-A07 is a prominent model from Carrier, a leader in the heating, ventilation, and air conditioning (HVAC) industry. Designed for commercial applications, this unit exemplifies advanced technology and reliability, catering to a wide array of cooling needs.

One of the most notable features of the Carrier 50TCA04-A07 is its high efficiency. With a cooling capacity that suits various settings, it is engineered to provide excellent performance with minimal energy consumption. The unit achieves impressive Seasonal Energy Efficiency Ratio (SEER) ratings, which not only reduce operational costs but also lower the environmental impact.

The Carrier 50TCA04-A07 employs state-of-the-art inverter technology. This innovation allows the compressor to operate at varying speeds, adjusting its output according to the cooling demand. Consequently, the system can maintain optimal comfort levels while using less energy. Additionally, the inverter technology contributes to quieter operation, making it a suitable choice for environments where noise is a concern.

Durability is a hallmark of the Carrier 50TCA04-A07. Constructed with robust materials, this model is designed to withstand harsh conditions and ensure long-term reliability. The unit is equipped with corrosion-resistant components, extending its lifespan and maintaining performance quality over time.

Another significant characteristic of the Carrier 50TCA04-A07 is its advanced control system. The integrated control panel provides easy access to performance settings and monitoring capabilities. Users can effortlessly adjust temperatures and modes, ensuring a customizable climate. Furthermore, compatibility with smart building management systems enhances operational efficiency and real-time monitoring.

Regarding safety features, the Carrier 50TCA04-A07 is equipped with multiple sensors and automated responses to prevent overheating and ensure safe operation. These safety mechanisms not only protect the unit but also contribute to the overall safety of the installation environment.

In summary, the Carrier 50TCA04-A07 is a highly efficient, durable, and technologically advanced HVAC solution for commercial spaces. Its innovative features, including inverter technology, robust construction, and smart control systems, set it apart in the market, making it a reliable choice for businesses seeking to optimize their climate control needs while minimizing energy consumption and operational costs.

Contents

Table of Contents Safety Considerations Seasonal Maintenance Unit Arrangement and AccessRoutine Maintenance General Supply FAN Blower Section Supply Fan Belt-Drive Adjustable-Pitch Pulley on Motor Supply-Fan Pulley Adjustment Bearings Condenser Coil Maintenance and Cleaning Recommendation CoolingCondenser Coil Cleaning Condenser Coil Two-Row Coils Evaporator Coil Refrigerant System Pressure Access PortsPuronr R-410A Refrigerant Refrigerant Charge To Use Cooling Charging Charts CoreMax Access Port Assembly Cooling Charging Charts Cooling Charging Charts Cooling Charging Charts Filter Drier Troubleshooting Cooling SystemCompressor Condenser-Fan Location Cooling Service Analysis Problem Cause Remedy Convenience Outlets Smoke Detectors System ControllerSensor Completing Installation of Return Air Smoke Sensor Smoke Detector Locations Fiop Smoke Detector Wiring and Response Return Air Sensor Operating Position Dirty Controller Test Sensor and Controller Tests Sensor Alarm TestController Alarm Test Dirty Sensor Test Cleaning the Smoke Detector Detector CleaningRemote Test/Reset Station Dirty Sensor Test Changing the Dirt Sensor Test Detector Indicators IndicatorsAlarm State Control or Indicator Description Troubleshooting Protective Devices Control Circuit Electric HeatersRelief Device Condenser Fan Motor Protection Completing Heater Installation Typical Single Point Installation Premierlinkt Control PremierLink Controller PremierLink Wiring Schematic 55 Space Temperature Sensor Wiring Temp Resistance Temperature Enthalpy Sensor PremierLink Sensor UsageOutdoor AIR Return AIR Field Connection Input Signal Space Sensor ModeThermostat Mode TB1 Terminal Field Connection Input Signal Lctb Outside and Return Air Enthalpy Sensor Wiring Indoor CO2 Sensor 33ZCSENCO2 Connec Tions Color Code Recommendations CCN BUS Wire CCN Plug PIN Color NumberRecommended Cables Manufacturer Economizer Systems PremierLink CCN Bus Connections Inputs Outputs RUN Outdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er EconoMi$er IV Control Modes Differential Dry Bulb Control Outdoor Enthalpy Changeover Enthalpy Changeover Setpoints Indoor Air Quality IAQ Sensor Input Damper Movement Exhaust Setpoint AdjustmentMinimum Position Control Thermostats CO2 Sensor Configuration Demand Control Ventilation DCVEconoMi$er IV Sensor Usage Differential Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Single Enthalpy Wiring Diagrams EconoMi$er IV Troubleshooting CompletionPRE-START-UP START-UP, General START-UP, Premierlink Controls Initial Operation and Test Memory ResetPerform System Check-Out Operating Sequence, Base Unit Controls Operating Sequence, PremierLink Control 50TC Available Cooling Stages Number Stages Economizer OAT ≤ SPT 50TC 50TC Loadshed Command Gas and Electric Heat Units Fastener Torque ValuesLinkage Modes 50TC Typical Unit Wiring diagram Power A06 Torque Values 50TC Unit Wiring Diagram Control A06 Serial Number Format Appendix I. Model Number SignificanceModel Number Nomenclature Position Number Typical Designates Appendix II. Physical Data Physical Data Cooling Tons Appendix III. FAN Performance General Fan Performance Notes Ton Horizontal Supply Ton Vertical SupplyCFM RPM BHP Standard Static Option 554 1215 11701165 1225 1206 50TC**05 Phase Ton Horizontal Supply 724 765 Phase Ton Horizontal Supply 923 1019 822 927 1018872 973 1061 974 1067 Pulley Adjustment Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Appendix IV. Electrical Data Appendix IV. Electrical Data FLA MCA/MOCP Determination no C.O. or Unpwrd C.O MCA/MOCP Determination no C.O. or Unpwrd C.O. 78/89 152 159 Appendix V. Wiring Diagram List Wiring Diagrams Appendix VI. Motormaster Sensor Locations 50TC*A04 Outdoor Circuiting Appendix VI. cont Motormaster Sensor Locations Catalog No 50TC---1SM START-UP Checklist Pressures Cooling ModeRemove and Store in Job File