FORM 201.23-EG1 (1007)

Refrigerant R-134a

 

 

 

 

HIGH EFFICIENCY

 

 

 

 

 

MODEL NUMBER (YCIV____ E/V)

 

 

 

 

 

 

 

 

General Unit Data

 

60Hz

0267

 

0287

 

0327

0357

 

50Hz

1550

 

1120

 

1220

1380

 

 

 

 

Number of Independent Refrigerant Circuits

 

3

 

3

 

3

3

 

 

 

 

 

 

 

 

 

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

 

185/185/170

 

185/185/230

 

185/185/230

230/230/230

 

 

 

 

 

 

 

 

 

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

 

5/5/4

 

5/5/5

 

5/5/5

5/5/5

 

 

 

 

 

 

 

 

 

Glycol Charge (43% concentration), gal

 

5.5

 

5.7

 

6.0

6.3

 

 

 

 

 

 

 

 

 

Comp.s, Semihermetic Screw

 

 

 

 

 

 

 

Quantity per Chiller

 

3

 

3

 

3

3

 

 

 

 

 

 

 

 

 

Condensers, High Efficiency Fin/Tube with Integral Subcooler

 

 

 

 

 

 

 

Total Chiller Coil Face Area, ft2

 

411

 

469

 

469

528

 

 

 

 

 

 

 

 

 

Number of Rows

 

3

 

3

 

3

3

 

 

 

 

 

 

 

 

 

Fins per Inch

 

17

 

17

 

17

17

 

 

 

 

 

 

 

 

 

Condenser Fans

 

 

 

 

 

 

 

Number, Ckt.-1/Ckt.-2

 

5/5/4

 

5/5/6

 

5/5/6

6/6/6

 

 

 

 

 

 

 

 

 

Low Noise Fans

 

 

 

 

 

 

 

Fan Motor, HP/kWi

 

2/1.8

 

2/1.8

 

2/1.8

2/1.8

 

 

 

 

 

 

 

 

 

Total Chiller Airflow, cfm

 

182000

 

208000

 

208000

234000

 

 

 

 

 

 

 

 

 

Ultra Quiet Fans

 

 

 

 

 

 

 

Fan Motor, HP/kWi

 

2/1.50

 

2/1.50

 

2/1.50

2/1.50

 

 

 

 

 

 

 

 

 

Total Chiller Airflow, cfm

 

182000

 

208000

 

208000

234000

 

 

 

 

 

 

 

 

 

Dual Speed Fans - Normal Speed

 

 

 

 

 

 

 

Fan Motor, hp

 

2

 

2

 

2

2

 

 

 

 

 

 

 

 

 

Total Chiller, CFM

 

154000

 

176000

 

176000

198000

 

 

 

 

 

 

 

 

 

Dual Speed Fans - Lower Speed

 

 

 

 

 

 

 

Fan Motor, hp

 

2

 

2

 

2

2

 

 

 

 

 

 

 

 

 

Total Chiller, CFM

 

117600

 

134400

 

134400

151200

 

 

 

 

 

 

 

 

 

High Static Fans

 

 

 

 

 

 

 

Fan Motor, hp

 

5

 

5

 

5

5

 

 

 

 

 

 

 

 

 

Total Chiller, CFM

 

195000

 

247000

 

247000

273000

 

 

 

 

 

 

 

 

 

Evaporator, Direct Expansion

 

 

 

 

 

 

 

Water Volume, gals.

 

202.0

 

202.0

 

236.0

236.0

 

 

 

 

 

 

 

 

 

Maximum Water Side Pressure, PSIG

 

150

 

150

 

150

150

 

 

 

 

 

 

 

 

 

Maximum Refrigerant Side Pressure, PSIG

 

235

 

235

 

235

235

 

 

 

 

 

 

 

 

 

Minimum Chilled Water Flow Rate, gpm

 

250

 

250

 

300

300

 

 

 

 

 

 

 

 

 

Maximum Chilled Water Flow Rate, gpm

 

1200

 

1200

 

1200

1200

 

 

 

 

 

 

 

 

 

Water Connections, inches

 

10

 

10

 

10

10

 

 

 

 

 

 

 

 

 

Contact your nearest Johnson Controls Sales Office for weight data.

 

JOHNSON CONTROLS

59

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Image 59
York R134A manual General Unit Data 60Hz 0267, 0327 0357 50Hz, 1220
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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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