288429-YIM-A-0307

**= Minimum wire size of 18 AWG wire should be used for all field installed 24 volt wire.

2STAGE THERMOSTAT

R

G

UNIT CONTROL BOARD

TERMINAL STRIP

**R

G

NOTE: HEAT ANTICIPATOR SHOULD BE SET AT 0.35 AMPS FOR ALL MODELS.

Y1Y1

Y2Y/Y2

WW2

W1

CC

24 VOLT

TRANSFORMER

PROGRAMMABLE

THERMOSTAT ONLY

Figure 8: Typical Field Control Wiring Diagram 2 Stage Thermostat

Figure 9: Typical Field Power Wiring Diagram

Table 5: Electrical Data

 

 

 

Compressors

OD Fan

Supply

 

 

 

 

 

 

Max Fuse2/

Size

 

 

Motors

Blower

Electric Heat Option

 

MCA1

Breaker3

Model

Volt

 

(each)

 

 

(Tons)

 

 

(each)

Motor

 

 

 

 

 

(Amps)

Size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RLA

LRA

 

MCC

FLA

FLA

Model

kW

Stages

 

Amps

 

(Amps)

 

 

 

 

 

 

 

 

 

None

-

-

 

-

18.3

25

024

DEX

208/230-1-60

10.2

52

 

16

1.2

4.3

2NH04500506

3.8/5

1

 

18.1/20.8

40.8/44.3

45/45

(2.0)

 

2NH04500706

5.6/7.5

2

 

27.1/31.3

52.1/57.3

60/60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2NH04501006

7.5/10

2

 

36.1/41.7

63.4/70.3

70/80

 

 

 

 

 

 

 

 

 

None

-

-

 

-

23.1

30

030

 

 

 

 

 

 

 

 

2NH04500506

3.8/5

1

 

18.1/20.8

45.7/49.2

50/50

DEX

208/230-1-60

14.1

70

 

22

1.2

4.3

2NH04500706

5.6/7.5

2

 

27.1/31.3

57/62.2

60/70

(2.5)

 

 

 

 

 

 

 

 

 

 

2NH04501006

7.5/10

2

 

36.1/41.7

68.3/75.2

70/80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2NH04501506

11.3/15

2

 

54.2/62.5

90.8/101.3

100/110

 

 

 

 

 

 

 

 

 

None

-

-

 

-

26.3

35

 

 

 

 

 

 

 

 

 

2NH04500506

3.8/5

1

 

18.1/20.8

48.8/52.3

60/60

 

 

208/230-1-60

16.6

82

 

26

1.2

4.3

2NH04500706

5.6/7.5

2

 

27.1/31.3

60.1/65.3

70/70

 

 

 

 

 

 

 

 

 

2NH04501006

7.5/10

2

 

36.1/41.7

71.4/78.3

80/80

036

 

 

 

 

 

 

 

 

2NH04501506

11.3/15

2

 

54.2/62.5

94/104.4

100/110

DEX

 

 

 

 

 

 

 

None

-

-

 

-

19.4

25

(3.0)

 

 

 

 

 

 

 

 

 

208/230-3-60

11.1

58

 

17

1.2

4.3

2NH04501025

7.5/10

1

 

20.8/24.1

45.4/49.4

50/50

 

 

 

 

 

 

 

 

 

 

 

 

 

2NH04501525

11.3/15

1

 

31.3/36.1

58.5/64.5

60/70

 

 

 

 

 

 

 

 

 

None

-

-

 

-

10.7

15

 

 

460-3-60

4.5

29

 

7

0.8

4.3

2NH04501046

10

1

 

12

25.7

30

 

 

 

 

 

 

 

 

 

2NH04501546

15

1

 

18

33.2

35

Unitary Products Group

9

Page 8 Page 10
Page 9
Image 9
York R-410A dimensions MCA1, Rla Lra Mcc Fla
Page 8 Page 10

R-410A specifications

York R-410A is a widely recognized and highly efficient refrigerant used in modern air conditioning systems. Developed as an environmentally friendly alternative to R-22, R-410A has gained popularity in the HVAC industry due to its numerous advantageous features and characteristics.

One of the main features of York R-410A is its ability to provide superior cooling performance. This refrigerant operates efficiently at both high and low temperatures, allowing systems using it to maintain optimal indoor climates even during extreme weather conditions. Its high energy efficiency ratio (EER) and seasonal energy efficiency ratio (SEER) ratings make it a preferred choice for energy-conscious consumers, resulting in lower energy bills and a reduced carbon footprint.

Technologically, York R-410A systems feature advanced compressor designs that enhance their overall reliability and performance. These compressors are often equipped with variable-speed technology, enabling them to adjust their output to match the cooling demands of the space. This not only improves comfort levels but also leads to efficient energy consumption, reducing wear and tear on the equipment over time.

Another significant characteristic of York R-410A is its non-ozone-depleting properties. Unlike its predecessor R-22, which is being phased out due to its damaging effects on the ozone layer, R-410A is designed to minimize environmental impact. Its lower global warming potential (GWP) further underscores its role in promoting sustainability within the HVAC sector.

Furthermore, York R-410A systems are engineered with enhanced safety features. The refrigerant is non-toxic and non-flammable, which makes it safer for use in both residential and commercial applications. Additionally, its high thermal stability reduces the risk of breakdown or leakage, contributing to longer system lifespans and lower maintenance costs.

In conclusion, York R-410A stands out as a cutting-edge refrigerant that combines efficiency, safety, and environmental responsibility. With its advanced technologies and remarkable characteristics, it meets the demands of modern air conditioning requirements while paving the way for a sustainable future in HVAC systems. Adopting York R-410A not only benefits individual users through improved comfort and lower energy bills but also plays a vital role in protecting our planet's ozone layer and mitigating climate change.
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