42
ASTON COMPACT INSTALLATION MANUAL
Operating Parameters cont.
Dual Capacity Models
First Stage Operation
Entering Water
Temp °F
Water Flow
gpm/ton
Cooling -- No Hot Water Generation
Suction
Pressure psig
Discharge
Pressure psig
Superheat
Subcooling
Water Temp
Rise °F
Air Temp Drop
°F DB
30
1.5
105 - 120
140 - 155
20 - 35
9 - 17
17 - 21
17 - 23
3.0
100 - 115
115 - 130
20 - 35
9 - 17
8 - 12
17 - 23
50
1.5
125 - 140
205 - 225
12 - 20
8 - 14
17 - 21
17 - 23
3.0
120 - 135
180 - 200
12 - 20
8 - 14
8 - 12
17 - 23
70
1.5
135 - 145
280 - 290
10 - 16
8 - 14
16 - 20
17 - 23
3.0
133 - 143
250 - 260
10 - 16
8 - 14
9 - 13
17 - 23
90
1.5
142 - 152
345 - 355
8 - 12
8 - 14
14 - 20
17 - 23
3.0
140 - 150
330 - 340
8 - 12
8 - 14
8 - 12
17 - 23
110
1.5
152 - 158
405 - 435
8 - 12
8 - 14
14 - 20
17 - 23
3.0
148 - 153
390 - 420
8 - 12
8 - 14
8 - 12
17 - 23
Entering Water
Temp °F
Water Flow
gpm/ton
Heating -- No Hot Water Generation
Suctio
Pressure psig
Discharge
Pressure psig
Superheat
Subcooling
Water Temp
Drop °F
Air Temp Rise
°F DB
30
1.5
76 - 84
270 - 285
8 - 12
3 - 10
5 - 9
12 - 16
3.0
80 - 88
275 - 290
8 - 12
3 - 10
3 - 7
14 - 18
50
1.5
100 - 115
280 - 310
10 - 14
3 - 10
7 - 11
18 - 22
3.0
105 - 120
290 - 315
10 - 14
3 - 10
5 - 9
20 - 24
70
1.5
135 - 150
310 - 325
12 - 16
3 - 10
8 - 12
24 - 28
3.0
140 - 155
315 - 330
12 - 16
3 - 10
6 - 10
22 - 30
90
1.5
155 - 165
330 - 370
12 - 16
3 - 10
8 - 12
24 - 28
3.0
160 - 170
340 - 380
12 - 16
3 - 10
6 - 10
22 - 30
110
1.5
3.0
NOTE:
Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.
Heating performance based on entering air temperature of 70º F DB.
2/15/12
Second Stage Operation
Entering Water
Temp °F
Water Flow gpm/
ton
Cooling -- No Hot Water Generation
Suction
Pressure psig
Discharge
Pressure psig
Superheat
Subcooling
Water Temp
Rise °F
Air Temp Drop
°F DB
30
1.5
115 - 125
150 - 170
20 - 35
10 - 17
17 - 22
17 - 23
3.0
105 - 120
130 - 145
20 - 35
10 - 17
8 - 10
17 - 23
50
1.5
130 - 140
215 - 235
12 - 20
8 - 14
16 - 22
17 - 23
3.0
128 - 138
190 - 210
12 - 20
8 - 14
8 - 12
17 - 23
70
1.5
138 - 148
280 - 310
10 - 16
10 - 16
15 - 21
17 - 23
3.0
136 - 146
250 - 280
10 - 16
8 - 14
7 - 13
17 - 23
90
1.5
145 - 155
350 - 380
9 - 14
10 - 16
14 - 20
17 - 23
3.0
143 - 153
320 - 350
9 - 14
8 - 14
6 - 10
17 - 23
110
1.5
145 - 155
420 - 450
9 - 14
10 - 16
14 - 20
17 - 23
3.0
143 - 153
405 - 435
9 - 14
8 - 14
6 - 10
17 - 23
Entering Water
Temp °F
Water Flow gpm/
ton
Heating -- No Hot Water Generation
Suction
Pressure psig
Discharge
Pressure psig
Superheat
Subcooling
Water Temp
Drop °F
Air Temp Rise
°F DB
30
1.5
73 - 85
270 - 305
8 - 14
3 - 10
6 - 10
15 - 21
3.0
77 - 90
280 - 315
8 - 14
3 - 10
4 - 8
17 - 23
50
1.5
97 - 110
290 - 325
10 - 16
3 - 10
9 - 13
22 - 28
3.0
102 - 115
300 - 335
10 - 16
3 - 10
7 - 11
24 - 30
70
1.5
130 - 145
320 - 355
13 - 19
3 - 10
10 - 14
30 - 36
3.0
135 - 150
325 - 360
13 - 19
3 - 10
8 - 12
32 - 38
90
1.5
150 - 160
350 - 390
13 - 19
3 - 10
10 - 14
30 - 36
3.0
155 - 165
365 - 405
13 - 19
3 - 10
8 - 12
32 - 38
110
1.5
3.0
NOTE:
Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.
Heating performance based on entering air temperature of 70º F DB.
2/15/12
Summary of Contents for Aston Compact Series
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