Contractor:
P.O.:
Engineer:
Project Name:
Unit Tag:
The manufacturer works continually to improve its products. As a result, the design and speci
fi
cations of each product at the time of order may be changed without notice. Purchaser’s approval of this data set signi
fi
es that the equipment is acceptable under the provisions
of the job speci
fi
cation. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely the manufacturer’s opinion or commendation of its products. York and Af
fi
nity are registered
trademarks of Johnson Controls, Inc., and are used with permission.
Single Speed Unit with Variable Speed ECM Motor
Model
Max
ESP
Airflow Speed Settings
1
2
3
4
5
6
7
8
9
10
11
12
018
0.50
300
400
500
600
700
800
875
950
1025
1125
G
L
H
Aux
022
0.50
400
500
600
700
800
900
1000
1100
1200
G
L
H
Aux
030
0.50
400
500
600
700
800
900
1000
1100
1200
G
L
H
Aux
036
0.50
650
750
850
1000
1100
1200
1300
1400
1500
1550
G
L
H
Aux
036
w/1hp*
0.75
800
1000
1100
1300
1500
1600
1800
1950
2100
2200
G
L
H
Aux
042
0.50
650
800
900
1050
1150
1250
1350
1450
1550
1600
G
L
H
Aux
042
w/1hp*
0.75
800
900
1000
1200
1400
1600
1700
1850
2000
2200
2300
2400
G
L
H
Aux
048
0.50
650
800
900
1050
1150
1250
1350
1450
1550
1600
G
L
H
Aux
048
w/1hp*
0.75
800
900
1000
1200
1400
1600
1700
1850
2000
2200
2300
2400
G
L
H
Aux
060
0.75
800
950
1100
1300
1500
1750
1950
2100
2300
2325
G
L
H
Aux
070
0.75
800
950
1100
1300
1500
1750
1950
2100
2300
2325
G
L
H
Aux
Factory settings are at recommended G-L-H-Aux speed settings
L-H settings MUST be located within boldface cfm range
“Aux” is factory setting for auxiliary heat and must be equal to or above the “H” setting as well as at least the minimum required for the
auxiliary heat package
“G” may be located anywhere within the airflow table
Cfm is controlled within ±5% up to the maximum ESP
Max ESP includes allowance for wet coil and standard filter
6/8/12
Dual Capacity Unit with Variable Speed ECM Motor
Model
Max ESP
Airflow Switch Settings
1
2
3
4
5
6
7
8
9
10
11
12
026
0.50
400
500
600
700
800
900
1000
1100
1200
G
L
H
Aux
038
0.50
650
750
850
1000
1100
1200
1300
1400
1500
1550
G
L
H
Aux
038
w/1hp*
0.75
800
1000
1100
1300
1500
1600
1800
1875
1925
2000
G
L
H
Aux
049
0.50
650
800
900
1050
1150
1250
1350
1450
1550
1575
G
L
H
Aux
049
w/1hp*
0.75
800
900
1000
1200
1400
1600
1700
1850
2000
2200
2300
2400
G
L
H
Aux
064
0.75
800
950
1100
1300
1500
1750
1950
2100
2300
2325
G
L
H
Aux
072
0.75
800
950
1100
1300
1500
1750
1950
2100
2300
2325
G
L
H
Aux
Factory settings are at recommended G-L-H-Aux speed settings
L-H settings MUST be located within boldface cfm range
“Aux” is factory setting for auxiliary heat and must be equal to or above the “H” setting as well as at least the minimum required for the
auxiliary heat package
“G” may be located anywhere within the airflow table
Cfm is controlled within ±5% up to the maximum ESP
Max ESP includes allowance for wet coil and standard filter
6/8/12
Blower Performance Data
SD2500AG 05/21
15
Page _____ of _____
Aston Series
1 - 6 Tons 60Hz