Temperatures and Flows

TEMPERATURE AND FLOWS

(English Units)

MODEL

LEAVING WATER

COOLER3 flow

AIR ON CONDENSER (°F)

number

TEMPERATURE (°F)

 

(GPM)

 

 

 

YCIV

MIN.1

MAX.2

MIN.

 

MAX.

MIN.

MAX

 

 

 

 

 

 

50 Hz

 

60 Hz

 

 

 

 

 

 

 

 

 

 

0600(S/P)

 

0157(S/P)

40

60

140

 

675

0

125

0590(E/V)

 

0157(E/V)

40

60

160

 

750

0

125

0650(S/P)

 

0177(S/P)

40

60

160

 

750

0

125

0630(E/V)

 

0177(E/V)

40

60

160

 

750

0

125

0720(S/P/)

 

0187(S/P)

40

60

160

 

750

0

125

0700(E/V)

 

0187(E/V)

40

60

160

 

750

0

125

0760(E/V)

 

0197(E/V)

40

60

180

 

750

0

125

0770(S/P)

 

0207(S/P)

40

60

180

 

800

0

125

0800(E/V)

 

0207(E/V)

40

60

180

 

750

0

125

0840(S/P)

 

0227(S/P)

40

60

180

 

800

0

125

0830(E/V)

 

0227(E/V)

40

60

180

 

750

0

125

0920(S/P)

 

0247(S/P)

40

60

180

 

800

0

125

0930(E/V)

 

0247(E/V)

40

60

180

 

800

0

125

1000(S/P)

 

0267(S/P)

40

60

180

 

800

0

125

1050(E/V)

 

0267(E/V)

40

60

250

 

1200

0

125

1070(S/P)

 

0287(S/P)

40

60

250

 

1200

0

125

1120(E/V)

 

0287(E/V)

40

60

250

 

1200

0

125

1180(S/P)

 

0307(S/P)

40

60

300

 

1200

0

125

1220(E/V)

 

0327(E/V)

40

60

300

 

1200

0

125

1340(S/P)

 

0357(S/P)

40

60

300

 

1200

0

125

1380(E/V)

 

0357(E/V)

40

60

300

 

1200

0

125

1500(S/P)

 

0397(S/P)

40

60

300

 

1200

0

125

NOTES:

1.For leaving brine temperature below 40°F (4.4°C), contact your nearest Johnson Controls office for application requirements.

2.For leaving water temperature higher than 60°F (15.6°C), contact the nearest Johnson Controls office for application guidelines.

3.The evaporator is protected against freezing to -20°F (-28.8°C) with an electric heater as standard.

10

JOHNSON CONTROLS

Page 10
Image 10
York R134A manual Temperatures and Flows, Johnson Controls

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.