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Unitary Products Group 3
036-21560-002 Rev. A (1204)
Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures.
Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition) and all local codes.
The furnace shall be installed so that the electrical components are protected from water.
* 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.
4. All filters must be high velocity cleanable type.
FIELD WIRING DIAGRAMS POWER WIRING
ELECTRICAL AND PERFORMANCE DATA
MODEL
NUMBER
Input Output
Nominal
Airflow
Cabinet
Width
Cabinet
Size
Air Temp.
Rise
APPROX.
OPER. WEIGHT
TOP RETURN
FILTER IN.
MBH MBH CFM In. °F
GY9S040A12DH11 40 37 1200 14-1/2 A 35 - 65 120 (2) 14 x 20
GY9S060B12DH11 60 55 1200 17-1/2 B 35 - 65 130 (2) 14 x 20
GY9S080B12DH11 80 74 1200 17-1/2 B 35 - 65 145 (2) 14 x 20
GY9S080C16DH11 80 74 1600 21 C 35 - 65 155 (2) 14 x 20
GY9S100C16DH11 100 93 1600 21 C 35 - 65 170 (2) 14 x 20
GY9S100C20DH11 100 93 2000 21 C 35 - 65 175 (2) 20 x 20
GY9S120D20DH11 120 112 2000 24-1/2 D 35 - 65 180 (2) 20 x 20
MODEL
NUMBER
AFUE
Max.
Outlet
Air Temp.
Blower
Blower
Size
Total Unit
Max.
Over-current
Protect
Min. Wire Size
(awg) @ 75 ft.
One Way
%°FHPAmpsIn.Amps
GY9S040A12DH11 91 165 1/2 7.0 11 x 8 9 20 14
GY9S060B12DH11 91 165 1/2 7.0 11 x 8 9 20 14
GY9S080B12DH11 91 165 1/2 7.0 11 x 8 9 20 14
GY9S080C16DH11 91 165 3/4 10.2 11 x 10 12 20 14
GY9S100C16DH11 91 165 3/4 10.2 11 x 10 12 20 14
GY9S100C20DH11 91 165 1 12.7 11 x 11 14 20 12
GY9S120D20DH11 91 165 1 12.7 11 x 11 14 20 12
NOMINAL
115 VOLT
BLK
WHT
GRN
BLK (HOT)
WHT (NEUTRAL)
GRD
ROOM
THERMOSTAT
FURNACE
CONTROL
CONDENSING
UNIT
TOAIR CONDITIONER
CONTROLS
R
W
G
Y
C
R
W
G
Y
C