50PG03-- 07

Table 1 — Physical Data (cont)

BASE UNIT 50PG (cont)

 

03

04

05

06

07

EVAPORATOR FAN

 

 

Centrifugal Type, Belt Drive

 

QuantitySize (in.)

Low

1...12 x 9

1...12 x 9

1...12 x 9

1...12 x 9

1...12 x 9

 

High

1...12 x 9

1...12 x 9

1...12 x 9

1...12 x 9

1...12 x 9

Type Drive

Low

Belt

Belt

Belt

Belt

Belt

Nominal Cfm

High

Belt

Belt

Belt

Belt

Belt

 

800

1200

1600

2000

2400

Maximum Continuous Bhp

Low

0.85

0.85

0.85

0.85/2.40†

2.40

Motor Nominal Rpm

High

0.85

0.85

1.60/2.40†

1.60/2.40†

3.10

 

1620

1620

1620

1725

1725

Motor Frame Size

Low

48Y

48Y

48Y

56Y

56Y

 

High

48Y

48Y

56Y

56Y

56Y

Fan Rpm Range

Low

482-736

482-736

596-910

690-978

796-1128

Motor Bearing Type

High

656-1001

796-1128

828-1173

929-1261

1150-1438

 

Ball

Ball

Ball

Ball

Ball

Maximum Fan Rpm

 

2000

2000

2000

2000

2000

Motor Pulley Pitch Diameter Range (in.)

Low

1.9-2.9

1.9-2.9

1.9-2.9

2.4-3.4

2.4-3.4

 

High

1.9-2.9

2.4-3.4

2.4-3.4

2.8-3.8

4.0-5.0

Fan Pulley Pitch Diameter (in.)

Low

6.8

6.8

5.5

6.0

5.2

 

High

5.0

5.2

5.0

5.2

6.0

Nominal Motor Shaft Diameter (in.)

Low

1/2

1/2

1/2

5/8

5/8

Belt...Pitch Length (in.)

High

1/2

1/2

5/8

5/8

7/8

Low

49.3

49.3

49.3

49.3

49.3

 

High

49.3

49.3

49.3

49.3

52.3

BeltType

Low

AX

AX

AX

AX

AX

 

High

AX

AX

AX

AX

AX

Pulley Center Line Distance Min. (in.)

Low

16.2

16.2

16.2

16.2

16.2

 

High

16.2

16.2

16.2

16.2

16.2

Pulley Center Line Distance Max. (in.)

Low

20.2

20.2

20.2

20.2

20.2

 

High

20.2

20.2

20.2

20.2

20.2

Speed Change per Full Turn of

Low

48

48

59

58

66

Movable Pulley Flange (rpm)

High

65

62

69

66

58

Movable Pulley Maximum Full

Low

5

5

5

5

5

Turns from Closed Position

High

5

5

5

5

5

Factory Pulley Setting (rpm)

Low

482

482

596

690

796

Fan Shaft Diameter at Pulley (in.)

High

656

796

828

929

1150

 

3/4

3/4

3/4

3/4

3/4

HIGH-PRESSURE SWITCH (psig)

 

 

 

 

 

 

Cutout

 

660 ± 10

660 ± 10

660 ± 10

660 ± 10

660 ± 10

Reset (Auto.)

 

505 ± 20

505 ± 20

505 ± 20

505 ± 20

505 ± 20

RETURN-AIR FILTERS

 

 

 

Throwaway

 

 

QuantitySize (in.)

 

416 x 20 x 2

416 x 20 x 2

416 x 20 x 2

416 x 20 x 2

416 x 20 x 2

LEGEND

TXV --- Thermostatic Expansion Valve

*Aluminum evaporator coil/aluminum condenser coil. { Single phase/three phase.

6

Page 6
Image 6
Carrier 50PG03-07 installation instructions Evaporator FAN, RETURN-AIR Filters

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.