036-21560-001 Rev. A (0204)

HIGH ALTITUDE PRESSURE SWITCH APPLICATION

Input (MBH)

Output (MBH)

4,500 To 10,000 Ft.

Upflow Models

 

 

 

 

 

60/1200

55

1PS0901

80/1200

74

1PS0902

80/1600

74

1PS0903

100/1600

93

1PS0901

100/2000

93

1PS0901

120/2000

112

1PS0901

NOTE: For high altitude conversion, an orifice change may also be required. See Form 035-14460-001 for application information.

ELECTRICAL AND PERFORMANCE DATA

 

Input

Output

 

Nominal Airflow

Cabinet Width

AFUE

Air Temp. Rise

MBH

 

kW

MBH

 

kW

CFM

m3/min

In.

mm

%

°F

°C

60

 

18

55

 

16.1

1200

34.0

17-1/2

444

91

40 - 70

22 - 39

80

 

23

74

 

21.7

1200

34.0

17-1/2

444

91

35 - 65

19 - 36

80

 

23

74

 

21.7

1600

45.3

21

533

91

40 - 70

22 - 39

100

 

29

93

 

27.3

1600

45.3

21

533

91

35 - 65

19 - 36

100

 

29

93

 

27.3

2000

56.6

21

533

91

35 - 65

19 - 36

120

 

35

112

 

32.8

2000

56.6

24-1/2

622

91

35 - 65

19 - 36

 

 

 

 

 

 

 

 

 

 

 

 

 

Input

Max. Outlet

Blower

Blower Size

Total Unit

Max.

Min. Wire Size

 

Air Temp.

Over-current

(awg) @ 75 ft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Protect

One Way

MBH

 

kW

°F

 

°C

HP

Amps

In.

mm

Amps

60

 

18

170

 

76.7

1/2

7.0

11 x 8

279 x 203

9

20

14

80

 

23

170

 

76.7

1/2

7.0

11 x 8

279 x 203

9

20

14

80

 

23

170

 

76.7

3/4

10.2

11 x 10

279 x 254

12

20

14

100

 

29

175

 

79.4

3/4

10.2

11 x 10

254 x 254

12

20

14

100

 

29

175

 

79.4

1

12.7

11 x 11

279 x 279

14

20

12

120

 

35

175

 

76.7

1

12.7

11 x 11

279 x 279

14

20

12

*Wire size and overcurrent protection must comply with the National Electric Code.

NOTES:

1.For altitudes above 2000 ft. reduce capacity 4% for each 1000 ft. above sea level.

2.Wire size based on copper conductors, 60°C, 3% voltage drop.

3.Continuous return air temperature must not be below 55°F.

MODEL

FILTER SIZE

ADD-ON COOLING

APPROX.

NUMBER

TONS

CFM* @ .5 ESP

OPER. WEIGHT

 

 

 

 

 

 

GY9S060B12DH11

 

1-1/2, 2, 2-1/2, 3

1550

130

GY9S080B12DH11

 

2, 2-1/2, 3

1530

145

GY9S080C16DH11

(2) 14 x 20

3, 3-1/2, 4

1860

155

GY9S100C16DH11

3, 3-1/2, 4

1830

170

 

GY9S100C20DH11

 

3-1/2, 4, 5

2000

175

GY9S120D20DH11

 

3-1/2, 4, 5

2100

180

*ESP (External Static Pressure) .5" WG is at furnace outlet ahead of cooling coil.

NOTES:

1. All filters must be high velocity cleanable type.

FIELD WIRING DIAGRAMS

BLK

BLK (HOT)

 

 

 

NOMINAL

WHT

WHT (NEUTRAL)

115 VOLT

GRN

GRD

 

POWER WIRING

ROOM

FURNACE

CONDENSING

THERMOSTAT

CONTROL

UNIT

R

R

 

W

W

TO AIR CONDITIONER

G

G

CONTROLS

 

Y

Y

 

C

C

 

Unitary Products Group

3

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York GY9 Field Wiring Diagrams, Power Wiring, High Altitude Pressure Switch Application, Electrical and Performance Data
Page 2 Page 4

GY9 specifications

York GY9, GF9, and GM9 are advanced air conditioning units known for their efficiency and innovative technology. Designed primarily for commercial and industrial applications, these units are engineered to provide optimal performance while minimizing energy consumption.

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The GF9 model, on the other hand, is characterized by its modular design, which allows for easy scalability. This feature is particularly beneficial for businesses looking to expand their cooling capacity without extensive renovations. The modular approach means that multiple units can be connected and controlled as a single system, providing flexibility in design and installation.

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In summary, York GY9, GF9, and GM9 air conditioning units stand out due to their efficient cooling, innovative technologies, energy-saving features, and robust construction. These units are ideal for commercial settings looking to balance performance with sustainability, all while ensuring a comfortable environment.
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