York GUA, GHA, GFD, GNA, GHD Application FACTOR-RATED CFM VS. Actual CFM, Application Limitations

Page 4

036-21145-003 Rev. A (0403)

COOLING CAPACITY - COIL ONLY*

MODEL COIL

RATED CFM

ENTERING AIR °F (WET BULB)

MBH@ EVAPORATOR TEMPERATURE AND CORRESPONDING PRESSURE °F / PSIG

35 / 61.5

40 / 68.5

45 / 76.0

50 / 84.0

 

 

 

 

 

 

UNCASED UPFLOW

 

 

 

 

 

72

27.4

25.0

22.3

19.4

G1NA024S17G

800

67

25.3

22.9

20.3

17.5

62

20.8

18.4

15.9

13.4

 

 

 

 

57

16.9

14.6

12.2

9.4

 

 

72

35.2

32.0

28.6

24.8

G1NA030S17H

1000

67

32.4

28.6

25.3

21.9

62

26.6

23.6

21.5

18.7

 

 

 

 

57

25.2

22.7

20.2

17.6

 

 

72

39.6

36.0

32.1

27.9

G1NA030S17K

1000

67

36.4

33.2

29.5

25.7

62

29.9

27.2

24.2

21.0

 

 

 

 

57

28.1

25.6

22.7

19.8

 

 

72

49.3

44.9

39.9

34.7

G1NA036S17J

1200

67

45.4

41.3

36.7

32.0

62

37.2

33.8

30.1

26.2

 

 

 

 

57

35.0

28.3

28.3

24.6

 

 

72

59.9

54.5

48.5

42.6

G1NA036S17L

1200

67

55.1

51.1

44.6

38.9

62

45.2

41.1

36.6

31.9

 

 

 

 

57

42.5

38.7

34.4

30.0

 

 

72

49.3

44.9

39.9

34.7

G1NA036S21C

1200

67

45.4

41.3

36.7

32.0

62

37.2

33.8

30.1

26.2

 

 

 

 

57

35.0

31.8

28.3

24.6

 

 

72

86.7

73.0

59.2

44.9

G1NA042S24W

1400

67

69.4

57.2

45.2

33.1

62

54.0

42.3

33.4

26.8

 

 

 

 

57

46.4

40.0

33.4

26.8

 

 

72

62.4

56.8

50.5

44.4

G1NA048S21D

1400

67

57.4

53.2

46.5

40.5

62

47.1

42.8

38.1

33.2

 

 

 

 

57

44.3

40.3

35.8

31.2

 

 

72

95.4

82.1

68.4

54.0

G1NA060S24T

1800

67

76.4

64.1

52.2

39.9

62

59.6

47.4

38.6

32.4

 

 

 

 

57

51.2

44.8

38.6

32.4

*See Condensing Unit or Heat Pump Technical Guide for Total Cooling Capacity and Sensible Capacity.

APPLICATION FACTOR-RATED

CFM VS. ACTUAL CFM

% OF RATED AIR FLOW

80%

90%

RATED CFM

110%

120%

 

 

 

 

 

 

CAPACITY FACTOR

0.96

0.98

1.00

1.02

1.03

 

 

 

 

 

 

NOTE: Do not exceed minimum/maximum CFM limits shown under Air Flow Data.

APPLICATION LIMITATIONS

These units must be installed in accordance with all national and local safety codes.

Air flow must be within the minimum and maximum limits approved for electric heat, evaporator coils and outdoor units.

ENTERING AIR TEMPERATURE LIMITS

WET BULB TEMP. ºF

DRY BULB TEMP. ºF

Min.

Max.

Min.

Max.

57

72

65

95

4

Unitary Products Group

Image 4
Contents Accessories FeaturesDescription Pressure F / Psig WET BulbModel Rated Entering WET Bulb Horizontal Duct TypeCooling Capacity Coil only FULL-CASED a Type MULTI-POSITIONApplication FACTOR-RATED CFM VS. Actual CFM Entering AIR Temperature LimitsApplication Limitations Static Pressure VS. Airflow Based on WET Coil Physical Data Upflow a TypeFull Cased a Type MULTI-POSITION Horizontal Cased TypeDimensions G1FA Upflow Cased Coil G1UA Upflow Cased Coil G1HD Horizontal Duct Coil G1HA HorizontalG2FD MULTI-POSITION a Coil G1NA Coil

GFA, GUA, GHD, GNA, GFD specifications

The York series of air conditioning and heating systems, specifically the GNA, GFA, GHD, GHA, and GUA models, are designed to provide superior climate control for various commercial and industrial applications. Each model has its unique features and technologies tailored to meet specific customer needs.

York GNA units are prominent for their high-efficiency performance in air conditioning applications. They utilize advanced scroll compressors, which enable quieter operation and reduced energy consumption. The units feature variable speed fans that provide optimal airflow and precise temperature control. Additionally, the GNA series is equipped with microprocessor controls, making it easier to monitor and manage energy use effectively.

The GFA models focus on air handling applications with an innovative design that maximizes energy efficiency. Utilizing a modular design, these units can be customized to fit specific requirements, ensuring they meet the demands of any space. Advanced filtration options help maintain indoor air quality, while heat recovery features allow for improved energy utilization.

In contrast, York GHD units are specialized for heating applications. These heavy-duty gas-fired units boast a robust stainless-steel burner design, ensuring long-lasting durability and performance. The GHD series is equipped with advanced control systems that provide easy operation and monitoring, enhancing efficiency and safety. The units also feature a compact design, allowing for flexible installation in limited spaces.

The GHA models blend heating and cooling capabilities, making them versatile solutions for year-round climate control. Incorporating both gas-fired and electric heating technologies, GHA units allow for seamless transitions between heating and cooling modes. Their intelligent control systems ensure efficient energy use while maintaining desired temperature levels throughout the year.

Finally, the York GUA series stands out as a high-performance solution in terms of versatility and energy efficiency. Primarily designed for large commercial buildings, GUA units provide exceptional adaptability to changing environmental conditions. Equipped with advanced heat pump technology, these units can efficiently exchange heat, thereby reducing operational costs.

In summary, the York GNA, GFA, GHD, GHA, and GUA models showcase a comprehensive range of features and technologies designed to accommodate diverse heating and cooling needs. Each series is engineered for efficiency, durability, and advanced temperature control, making York a trusted name in HVAC solutions for commercial and industrial applications.