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

Page 66

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

V--- PH

IFM

 

 

 

NO P.E.

 

 

 

w/ P.E. (pwrd fr/unit)

 

 

 

 

 

 

 

 

 

 

 

 

 

TYPE

 

 

 

 

 

 

 

 

 

 

 

 

Nom (kW)

FLA

 

 

DISC. SIZE

 

 

 

DISC. SIZE

 

NOM.

 

MCA

MOCP

MCA

 

MOCP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

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

 

 

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

 

 

 

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

 

 

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

 

---

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

---

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

HIGH

None

None

8.6

15

9

 

50

10.5

 

15

11

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

66

Image 66
Contents Table of Contents Safety ConsiderationsSeasonal Maintenance Unit Arrangement and AccessRoutine Maintenance GeneralSupply FAN Blower Section Supply Fan Belt-DriveAdjustable-Pitch Pulley on Motor Supply-Fan Pulley Adjustment BearingsCondenser Coil Maintenance and Cleaning Recommendation CoolingCondenser Coil Cleaning Condenser Coil Two-Row CoilsEvaporator Coil Refrigerant System Pressure Access PortsPuronr R-410A Refrigerant Refrigerant ChargeTo Use Cooling Charging Charts CoreMax Access Port AssemblyCooling Charging Charts Cooling Charging ChartsCooling Charging Charts Filter Drier Troubleshooting Cooling SystemCompressor Condenser-Fan LocationCooling Service Analysis Problem Cause RemedyConvenience Outlets Smoke DetectorsSystem ControllerSensor Completing Installation of Return Air Smoke Sensor Smoke Detector LocationsFiop Smoke Detector Wiring and Response Return Air Sensor Operating PositionDirty Controller Test Sensor and Controller Tests Sensor Alarm TestController Alarm Test Dirty Sensor TestCleaning the Smoke Detector Detector CleaningRemote Test/Reset Station Dirty Sensor Test Changing the Dirt Sensor TestDetector Indicators IndicatorsAlarm State Control or Indicator DescriptionTroubleshooting Protective DevicesControl Circuit Electric HeatersRelief Device Condenser Fan Motor ProtectionCompleting Heater Installation Typical Single Point InstallationPremierlinkt Control PremierLink ControllerPremierLink Wiring Schematic 55 Space Temperature Sensor Wiring Temp ResistanceTemperature Enthalpy Sensor PremierLink Sensor UsageOutdoor AIR Return AIR Field Connection Input Signal Space Sensor ModeThermostat Mode TB1 Terminal Field Connection Input SignalLctb Outside and Return Air Enthalpy Sensor Wiring Indoor CO2 Sensor 33ZCSENCO2 Connec TionsColor Code Recommendations CCN BUS Wire CCN Plug PIN Color NumberRecommended Cables ManufacturerEconomizer Systems PremierLink CCN Bus ConnectionsInputs Outputs RUNOutdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er EconoMi$er IV Control ModesDifferential Dry Bulb Control Outdoor Enthalpy ChangeoverEnthalpy Changeover Setpoints Indoor Air Quality IAQ Sensor InputDamper Movement Exhaust Setpoint AdjustmentMinimum Position Control ThermostatsCO2 Sensor Configuration Demand Control Ventilation DCVEconoMi$er IV Sensor Usage Differential Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Single EnthalpyWiring Diagrams EconoMi$er IV Troubleshooting CompletionPRE-START-UP START-UP, General START-UP, Premierlink ControlsInitial Operation and Test Memory ResetPerform System Check-Out Operating Sequence, Base Unit ControlsOperating Sequence, PremierLink Control 50TC Available Cooling Stages Number Stages EconomizerOAT ≤ SPT 50TC 50TC Loadshed Command Gas and Electric Heat Units Fastener Torque ValuesLinkage Modes 50TC Typical Unit Wiring diagram Power A06 Torque Values50TC Unit Wiring Diagram Control A06 Serial Number Format Appendix I. Model Number SignificanceModel Number Nomenclature Position Number Typical DesignatesAppendix II. Physical Data Physical Data Cooling TonsAppendix III. FAN Performance General Fan Performance NotesTon Horizontal Supply Ton Vertical SupplyCFM RPM BHP Standard Static Option 5541215 11701165 1225 120650TC**05 Phase Ton Horizontal Supply 724 765Phase Ton Horizontal Supply 923 1019 822 927 1018872 973 1061 974 1067Pulley Adjustment Unit MOTOR/DRIVE Motor Pulley Turns Open ComboAppendix IV. Electrical Data Appendix IV. Electrical Data FLAMCA/MOCP Determination no C.O. or Unpwrd C.O MCA/MOCP Determination no C.O. or Unpwrd C.O. 78/89152 159 Appendix V. Wiring Diagram List Wiring DiagramsAppendix VI. Motormaster Sensor Locations 50TC*A04 Outdoor CircuitingAppendix VI. cont Motormaster Sensor Locations Catalog No 50TC---1SM START-UP Checklist Pressures Cooling ModeRemove and Store in Job File

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.