High Altitude Pressure Switch Application; Electrical And Performance Data; Field Wiring Diagrams; Power Wiring - York GY9 Technical Manual
Gas-fired condensing / high efficiency downflow/horizontal furnaces 91% afue natural gas 60 - 120 mbh input
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Also See for GY9:
- Service manual (13 pages) ,
- User's information, maintenance and service manual (12 pages)
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HIGH ALTITUDE PRESSURE SWITCH APPLICATION
Input (MBH)
Upflow Models
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
MBH
kW
MBH
60
18
55
80
23
74
80
23
74
100
29
93
100
29
93
120
35
112
Max. Outlet
Input
MBH
kW
°F
60
18
170
80
23
170
80
23
170
100
29
175
100
29
175
120
35
175
* 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
NUMBER
GY9S060B12DH11
GY9S080B12DH11
GY9S080C16DH11
GY9S100C16DH11
GY9S100C20DH11
GY9S120D20DH11
* 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)
WHT
WHT (NEUTRAL)
GRN
GRD
Unitary Products Group
60/1200
80/1200
80/1600
100/1600
100/2000
120/2000
Output
Nominal Airflow
kW
CFM
16.1
1200
21.7
1200
21.7
1600
27.3
1600
27.3
2000
32.8
2000
Blower
Air Temp.
°C
HP
76.7
1/2
76.7
1/2
76.7
3/4
79.4
3/4
79.4
1
76.7
1
FILTER SIZE
1-1/2, 2, 2-1/2, 3
(2) 14 x 20
NOMINAL
115 VOLT
Output (MBH)
55
74
74
93
93
112
Cabinet Width
3
In.
mm
m
/min
34.0
17-1/2
444
34.0
17-1/2
444
45.3
21
533
45.3
21
533
56.6
21
533
56.6
24-1/2
622
Blower Size
Amps
In.
mm
7.0
11 x 8
279 x 203
7.0
11 x 8
279 x 203
10.2
11 x 10
279 x 254
10.2
11 x 10
254 x 254
12.7
11 x 11
279 x 279
12.7
11 x 11
279 x 279
ADD-ON COOLING
TONS
CFM* @ .5 ESP
1550
2, 2-1/2, 3
1530
3, 3-1/2, 4
1860
3, 3-1/2, 4
1830
3-1/2, 4, 5
2000
3-1/2, 4, 5
2100
POWER WIRING
ROOM
THERMOSTAT
R
W
G
Y
C
036-21560-001 Rev. A (0204)
4,500 To 10,000 Ft.
1PS0901
1PS0902
1PS0903
1PS0901
1PS0901
1PS0901
AFUE
Air Temp. Rise
%
°F
91
40 - 70
91
35 - 65
91
40 - 70
91
35 - 65
91
35 - 65
91
35 - 65
Max.
Total Unit
Over-current
Protect
Amps
9
20
9
20
12
20
12
20
14
20
14
20
APPROX.
OPER. WEIGHT
130
145
155
170
175
180
FURNACE
CONDENSING
CONTROL
UNIT
R
TO AIR CONDITIONER
W
CONTROLS
G
Y
C
°C
22 - 39
19 - 36
22 - 39
19 - 36
19 - 36
19 - 36
Min. Wire Size
(awg) @ 75 ft.
One Way
14
14
14
14
12
12
3
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