Physical Data (SI - Standard Efficiency)

Refrigerant R-134a

 

 

 

 

STANDARD EFFICIENCY

 

 

 

 

 

 

MODEL NUMBER (YCIV____ S/P)

 

 

 

 

 

 

 

 

 

 

General Unit Data

60Hz

0157

0177

 

0187

0207

 

0227

0247

0267

50Hz

0600

0650

 

0720

0770

 

0840

0920

1000

 

 

 

Number of Independent Refrigerant Circuits

 

2

2

 

2

2

 

2

2

2

 

 

 

 

 

 

 

 

 

 

 

Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, kg.

 

74/74

77/77

 

84/77

87/80

 

87/87

105/89

105/105

 

 

 

 

 

 

 

 

 

 

 

Oil Charge, Ckt.-1/Ckt.-2, liters

 

19/19

19/19

 

19/19

19/19

 

19/19

19/19

19/19

 

 

 

 

 

 

 

 

 

 

 

Compressors, Semihermetic Screw Qty per Chiller

 

2

2

 

2

2

 

2

2

2

 

 

 

 

 

 

 

 

 

 

Condensers, High Efficiency Fin/Tube with Integral Subcooler

 

 

 

 

 

 

 

 

 

Total Chiller Coil Face Area, m2

 

21.8

21.8

 

24.5

24.5

 

27.2

30.0

32.7

 

 

 

 

 

 

 

 

 

 

 

Number of Rows

 

3

3

 

3

3

 

3

3

3

 

 

 

 

 

 

 

 

 

 

 

Fins per meter

 

669

669

 

669

669

 

669

669

669

 

 

 

 

 

 

 

 

 

 

 

Condenser Fans

 

 

 

 

 

 

 

 

 

 

Number, Ckt.-1/Ckt.-2

 

4/4

4/4

 

5/4

5/4

 

5/5

6/5

6/6

 

 

 

 

 

 

 

 

 

 

 

Low Noise Fans

 

 

 

 

 

 

 

 

 

 

Fan Motor, HP/kWi

 

2/1.50

2/1.50

 

2/1.50

2/1.50

 

2/1.50

2/1.50

2/1.50

 

 

 

 

 

 

 

 

 

 

 

Total Chiller Airflow, l/sec.

 

49082

49082

 

55218

55218

 

61353

67488

73624

 

 

 

 

 

 

 

 

 

 

 

Ultra Quiet Fans

 

 

 

 

 

 

 

 

 

 

Fan Motor, HP/kWi

 

2/1.50

2/1.50

 

2/1.50

2/1.50

 

2/1.50

2/1.50

2/1.50

 

 

 

 

 

 

 

 

 

 

 

Total Chiller Airflow, l/sec.

 

49082

49082

 

55218

55218

 

61353

67488

73624

 

 

 

 

 

 

 

 

 

 

 

Dual Speed Fans - Normal Speed

 

 

 

 

 

 

 

 

 

 

Fan, KWi

 

1.5

1.5

 

1.5

1.5

 

1.5

1.5

1.5

 

 

 

 

 

 

 

 

 

 

 

Total Chiller, m3/s

 

42

42

 

47

47

 

52

57

62

 

 

 

 

 

 

 

 

 

 

 

Dual Speed Fans - Lower Speed

 

 

 

 

 

 

 

 

 

 

Fan, KWi

 

1.5

1.5

 

1.5

1.5

 

1.5

1.5

1.5

 

 

 

 

 

 

 

 

 

 

 

Total Chiller, m3/s

 

32

32

 

36

36

 

40

44

48

 

 

 

 

 

 

 

 

 

 

 

High Static Fans

 

 

 

 

 

 

 

 

 

 

Fan, KWi

 

3.7

3.7

 

3.7

3.7

 

3.7

3.7

3.7

 

 

 

 

 

 

 

 

 

 

 

Total Chiller, m3/s

 

49

49

 

55

55

 

61

67

74

 

 

 

 

 

 

 

 

 

 

 

Evaporator, Direct Expansion

 

 

 

 

 

 

 

 

 

 

Water Volume, liters

 

253.6

359.6

 

359.6

529.9

 

529.9

529.9

529.9

 

 

 

 

 

 

 

 

 

 

 

Maximum Water Side Pressure, Bar1

 

10

10

 

10

10

 

10

10

10

 

 

 

 

 

 

 

 

 

 

 

Maximum Refrigerant Side Pressure, Bar

 

16

16

 

16

16

 

16

16

16

 

 

 

 

 

 

 

 

 

 

 

Minimum Chilled Water Flow Rate, l/sec.

 

8.8

10.1

 

10.1

11.4

 

11.4

11.4

11.4

 

 

 

 

 

 

 

 

 

 

 

Maximum Chilled Water Flow Rate, l/sec.

 

42.6

47.3

 

47.3

50.5

 

50.5

50.5

50.5

 

 

 

 

 

 

 

 

 

 

 

Water Connections, inches

 

8

10

 

10

10

 

10

10

10

 

 

 

 

 

 

 

 

 

 

 

60

JOHNSON CONTROLS

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York R134A manual Physical Data SI Standard Efficiency, 0770 0840, 1000
Page 59 Page 61

R134A specifications

York R134A is a widely recognized refrigerant that has become a staple in the heating, ventilation, and air conditioning (HVAC) industry. It is a hydrofluorocarbon (HFC) compound, specifically known as 1,1,1,2-tetrafluoroethane. This refrigerant was introduced as a substitute for R12, a chlorofluorocarbon (CFC) that was phased out due to its harmful effects on the ozone layer.

One of the main features of York R134A is its non-ozone-depleting properties, making it a more environmentally friendly option compared to its predecessors. This characteristic aligns with global efforts to reduce the impact of refrigerants on climate change and ozone layer depletion. As a result, R134A has found extensive applications in both residential and commercial cooling systems.

In terms of thermodynamic properties, R134A boasts a moderate cooling capacity and is known for its energy efficiency, which translates to lower operating costs for HVAC systems. It operates efficiently under a wide temperature range, making it suitable for various applications, from automotive air conditioning to commercial refrigeration and chillers.

York R134A also exhibits excellent stability and compatibility with lubricants and materials commonly used in HVAC systems, such as synthetic oils. This compatibility helps reduce wear and tear on components, prolonging the lifespan of the equipment. Additionally, its low toxicity and flammability risk make it a safer choice for technicians and end-users alike.

Technologically, York R134A systems often feature advanced controls and monitoring tools that optimize refrigerant flow and enhance energy efficiency. This includes digital thermostats and automation systems that adjust cooling performance based on real-time environmental conditions.

In summary, York R134A stands out for its non-ozone-depleting characteristics, energy efficiency, and compatibility with HVAC technologies. These features, combined with its broad application range and safety profile, have established R134A as a preferred refrigerant in the modern refrigeration landscape, helping to meet both environmental standards and performance expectations in cooling systems worldwide.
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