Table 3 - Electrical Data - Units With Optional Powered Convenience Outlet (cont)

 

 

NOMINAL

 

VOLTAGE

COMPRESSOR

OFM

POWER

IFM

 

ELECTRIC HEAT

POWER SUPPLY

DISCONNECT

UNIT

 

 

RANGE

IFM

SIZE

 

POWER SUPPLY

 

 

 

 

 

EXHAUST

 

 

 

 

 

 

 

50PG

 

Volts-Ph-Hz

 

Min

Max

RLA

 

LRA

FLA

FLA

TYPE

FLA

FLA

Nominal

MCA

MOCP†

FLA

LRA

 

 

 

 

 

kW*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38.5/38.5

40/40

38/38

189/189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.0/11.5

3.8/

5.0

38.5/38.5

40/40

38/38

189/189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.0/17.3

5.6/

7.5

38.5/38.5

40/40

38/38

189/189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

5.2

20.0/23.1

7.5/10.0

39.3/43.1

40/45

38/40

189/189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30.0/34.6

11.3/15.0

51.8/57.5

60/60

48/53

189/189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40.0/46.2

15.0/20.0

64.3/72.0

70/80

59/66

189/189

 

 

208/230-3-60

 

187

253

20.5

 

149

1.5

1.4

 

 

 

50.0/57.7

18.8/25.0

76.8/86.4

80/90

71/79

189/189

 

 

 

 

 

 

 

 

40.8/40.8

45/45

41/41

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.0/11.5

3.8/

5.0

40.8/40.8

45/45

41/41

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.0/17.3

5.6/

7.5

40.8/40.8

45/45

41/41

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

7.5

20.0/23.1

7.5/10.0

42.1/46.0

45/50

41/42

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30.0/34.6

11.3/15.0

54.6/60.4

60/70

50/56

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40.0/46.2

15.0/20.0

67.1/74.9

70/80

62/69

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50.0/57.7

18.8/25.0

79.6/89.3

80/90

73/82

215/215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17.6

20

17

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.8

5.0

17.6

20

17

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.7

7.5

17.6

20

17

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

2.6

11.5

10.0

20.4

25

19

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17.3

15.0

27.6

30

25

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

20.0

34.9

35

32

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28.9

25.0

42.1

45

39

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18.4

20

18

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.8

5.0

18.4

20

18

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.7

7.5

18.4

20

18

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

3.4

11.5

10.0

21.4

25

20

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17.3

15.0

28.6

30

26

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

20.0

35.9

40

33

107

 

 

460-3-60

 

 

414

506

9.6

 

75

0.8

 

 

 

 

28.9

25.0

43.1

45

40

107

 

 

 

 

 

 

 

 

 

 

18.2

20

18

95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.8

5.0

18.2

20

18

95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.7

7.5

18.2

20

18

95

07

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

2.6

11.5

10.0

21.1

25

19

95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17.3

15.0

28.4

30

26

95

(cont)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

20.0

35.6

40

33

95

 

 

 

 

 

 

 

 

 

 

 

 

0.6

 

 

 

28.9

25.0

42.9

45

39

95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19.0

20

19

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.8

5.0

19.0

20

19

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.7

7.5

19.0

20

19

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

3.4

11.5

10.0

22.1

25

20

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17.3

15.0

29.4

30

27

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

20.0

36.6

40

34

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28.9

25.0

43.9

45

40

108

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14.0

15

14

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.2

10.0

16.1

20

15

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

2.0

13.9

15.0

22.0

25

20

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18.5

20.0

27.8

30

26

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

25.0

33.5

35

31

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27.7

30.0

39.3

40

36

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14.8

15

15

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.2

10.0

17.1

20

16

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

2.8

13.9

15.0

23.0

25

21

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18.5

20.0

28.8

30

26

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

25.0

34.5

35

32

80

 

 

575-3-60

 

 

518

633

7.6

 

54

0.8

 

 

 

 

27.7

30.0

40.3

45

37

80

 

 

 

 

 

 

 

 

 

 

15.4

20

16

71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.2

10.0

17.9

20

16

71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

2.0

13.9

15.0

23.8

25

22

71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18.5

20.0

29.5

30

27

71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

25.0

35.3

40

32

71

 

 

 

 

 

 

 

 

 

 

 

 

1.4

 

 

 

27.7

30.0

41.0

45

38

71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.2

20

16

82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.2

10.0

18.9

20

17

82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

2.8

13.9

15.0

24.8

25

23

82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18.5

20.0

30.5

35

28

82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.1

25.0

36.3

40

33

82

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27.7

30.0

42.0

45

39

82

 

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

Example: Supply voltage is 230---3---60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLA

---

Full Load Amps

 

 

 

 

 

 

 

 

 

 

 

AB = 224 v

 

 

 

 

 

 

HACR ---

Heating, Air Conditioning and Refrigeration

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BC = 231 v

 

 

 

 

 

 

IFM

---

Indoor (Evaporator) Fan Motor

 

 

 

 

 

 

 

 

AC = 226 v

 

224 + 231 + 226

 

 

 

LRA

---

Locked Rotor Amps

 

 

 

 

 

 

 

 

 

 

 

Average Voltage =

 

 

 

MCA

---

Minimum Circuit Amps

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

=

681

 

 

 

 

MOCP ---

Maximum Overcurrent Protection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEC

---

National Electrical Code

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

=

227

 

 

 

 

OFM

---

Outdoor (Condenser) Fan Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RLA

---

Rated Load Amps

 

 

 

 

 

 

 

 

 

Determine maximum deviation from average voltage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(AB) 227 – 224 = 3 v

 

 

 

 

 

 

 

*Heater capacity (kW) is based on heater voltage of 208v, 240v, 480v, or 600v. If power

(BC) 231 – 227 = 4 v

 

 

 

 

 

 

 

distribution voltage to unit varies from rated heater voltage, heater kW will vary accord-

(AC) 227 – 226 = 1 v

 

 

 

 

 

 

 

ingly.

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum deviation is 4 v.

 

 

 

 

 

 

 

{ Fuse or HACR circuit breaker.

 

 

 

 

 

 

 

 

 

Determine percent of voltage imbalance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

 

 

 

 

% Voltage Imbalance

= 100 x

 

 

 

 

1. In compliance with NEC requirements for multimotor and combination load equipment (refer

227

 

 

 

 

 

 

 

 

 

 

 

 

 

to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse or

 

 

 

= 1.76%

 

 

 

 

 

HACR breaker. Canadian units may be fuse or circuit breaker.

 

 

 

 

This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.

2. Unbalanced 3-Phase Supply Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric

Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use

utility company immediately.

 

 

 

 

 

 

 

the following formula to determine the percentage of voltage imbalance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

% Voltage Imbalance

= 100 x

 

 

max voltage deviation from average voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

average voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50PG03-- 07

21

Page 21
Image 21
Carrier 50PG03-07 38.5/38.5, 39.3/43.1, 51.8/57.5, 64.3/72.0, 187 253 20.5 149, 76.8/86.4, 40.8/40.8, 42.1/46.0, 54.6/60.4

50PG03-07 specifications

The Carrier 50PG03-07 is a cutting-edge rooftop unit designed to provide exceptional heating and cooling capabilities for commercial spaces. Known for its durability and efficiency, this model is part of Carrier's renowned line of packaged rooftop units, combining advanced technologies with a user-friendly design.

One of the standout features of the 50PG03-07 is its energy efficiency. This unit is equipped with a high-efficiency compressor that maximizes performance while minimizing energy consumption. The unit often boasts a high SEER (Seasonal Energy Efficiency Ratio) rating, making it an environmentally friendly choice for businesses looking to reduce their operating costs and carbon footprint.

The 50PG03-07 incorporates advanced controls, including a microprocessor-based control system that allows for precise temperature management and monitoring. This system not only enhances user comfort but also provides diagnostic capabilities, ensuring the unit operates at peak performance and identifying any potential issues early on.

In terms of design, the Carrier 50PG03-07 features a compact and robust structure that is built to withstand various weather conditions, ensuring longevity and reliability. The unit’s easy access panels simplify maintenance, allowing technicians to perform routine checks and repairs without cumbersome disassembly.

The air distribution system of the 50PG03-07 is engineered for optimal airflow, enhancing comfort across different areas of a building. It features multiple options for air handling, including variable air volume controls, which allows for customized air delivery to suit specific space requirements.

Noise reduction technology is also a priority in this model. The unit is designed to operate quietly, minimizing disruptions in office environments, retail settings, or other commercial spaces. This ensures that occupants can focus on their tasks without being disturbed by mechanical sounds.

Furthermore, the Carrier 50PG03-07 is adaptable with various accessories that can enhance its functionality, such as economizers for improved ventilation and humidity control. By integrating these components, businesses can create an efficient and effective HVAC system tailored to their specific needs.

Finally, the Carrier 50PG03-07 meets stringent industry standards for safety and performance, providing users with peace of mind. With its blend of innovative technology, energy efficiency, and construction resilience, the 50PG03-07 remains a popular choice for businesses seeking reliable climate control solutions.