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.
Cooling capacities based upon 80.6°F DB, 66.2°F WB entering air temperature
Heating capacities based upon 68°F DB, 59°F WB entering air temperature
All ratings based upon 208V operation
Variable Speed ECM or 5-Speed ECM Motor
AHRI/ASHRAE/ISO 13256-1
English (IP) Units
Model
Capacity
Modulation
Flow Rate
Water Loop Heat Pump
Ground Water Heat Pump
Ground Loop Heat Pump
Cooling
EWT 86° F
Heating
EWT 68° F
Cooling
EWT 59° F
Heating
EWT 50° F
Cooling Brine
Full Load 77° F
Part Load 68° F
Heating Brine
Full Load 32°F
Part Load 41°F
gpm
cfm
Capacity
Btuh
EER
Btuh/W
Capacity
Btuh
COP
Capacity
Btuh
EER
Btuh/W
Capacity
Btuh
COP
Capacity
Btuh
EER
Heating
Capacity
COP
026
Full
8
950
24,900
16.8
30,100
5.5
27,700
24.0
23,900
4.8
26,400
19.6
19,500
4.0
026
Part
7
750
18,900
18.6
22,000
6.1
22,200
29.7
17,500
4.9
21,000
26.0
16,400
4.5
038
Full
9
1300
36,500
17.0
43,300
5.5
40,000
24.4
35,000
4.9
38,200
19.7
28,500
4.2
038
Part
8
1150
26,500
19.0
31,300
6.4
29,900
32.1
24,900
5.1
29,500
28.0
22,900
4.8
049
Full
12
1600
49,100
17.2
59,000
5.5
54,100
24.5
47,200
4.6
50,800
19.3
38,200
4.0
049
Part
11
1400
36,300
19.1
41,700
6.1
41,600
33.0
33,600
4.7
39,800
27.4
31,000
4.4
064
Full
16
1800
62,300
16.4
73,900
5.2
69,000
23.9
60,400
4.6
65,500
19.3
47,300
3.8
064
Part
14
1500
45,800
18.1
53,200
5.9
53,000
30.7
43,500
4.8
50,500
26.5
38,200
4.3
072
Full
18
2000
70,100
15.6
88,000
4.8
79,000
22.0
71,000
4.3
73,800
18.2
55,400
3.7
072
Part
16
1500
54,200
17.0
66,000
5.1
61,500
27.6
52,700
4.3
59,400
24.9
47,400
3.9
018
Single
5
600
17,400
15.7
23,000
5.3
20,600
26.0
18,700
4.6
18,500
18.3
14,500
3.8
022
Single
8
800
18,100
15.6
23,700
6.0
21,900
27.5
19,500
5.0
19,200
18.7
15,000
4.0
030
Single
8
1000
27,000
18.9
32,900
5.6
31,200
29.5
26,000
4.8
28,100
22.0
20,500
3.9
036
Single
9
1200
32,300
18.8
36,500
5.7
36,800
28.8
29,200
4.9
33,700
22.0
24,400
4.2
042
Single
11
1300
39,000
18.6
45,600
5.8
43,900
28.1
36,100
4.9
40,700
21.7
28,900
4.0
048
Single
12
1500
44,100
16.3
55,600
5.4
50,300
25.9
44,700
4.7
45,900
18.8
36,400
4.0
060
Single
15
1800
61,100
16.4
74,100
5.5
66,900
24.3
59,200
4.7
62,200
18.4
47,900
4.0
070
Single
18
2000
66,200
15.3
85,000
5.0
75,000
22.9
68,000
4.4
69,100
17.6
54,000
3.7
NOTE:
018 not available with 5-Speed ECM motor
7/15/2015
AHRI/ISO 13256-1 Performance Ratings
SD2500AG 05/21
3
Page _____ of _____
Aston Series
1 - 6 Tons 60Hz
