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Operating Parameters
Heating Mode
Entering
Load Temp (°F)
Source Temp (°F)
60
80
100
120
NOTE: Operating data based on normal conditions with 3 gpm/ton for the load and source.
Cooling Mode
Entering
Load Temp (°F)
Source Temp (°F)
50
70
90
110
NOTE: Operating data based on normal conditions with 3 gpm/ton for the load and source.
Load and Source Pressure Drop
Model
gpm
30°F
15
1.0
23
2.5
100
30
3.8
34
4.5
18
1.6
28
3.4
120
36
4.9
40
5.6
21
2.1
32
4.2
150
42
6.0
50
7.5
24
2.7
36
4.9
180
48
7.1
60
9.3
Entering
Suction
Pressure (psig)
30
75-100
50
100-125
70
125-150
90
150-165
30
75-100
50
100-125
70
125-150
90
150-165
30
85-110
50
110-135
70
135-165
50
110-135
70
135-165
Entering
Suction
Pressure (psig)
30
80-90
50
90-100
70
100-110
90
100-120
110
110-130
30
80-90
50
90-100
70
100-110
90
110-120
110
110-140
30
80-90
50
90-100
70
100-110
90
110-120
30
90-100
50
110-130
Pressure Drop (psi)
50°F
70°F
90°F
0.8
0.5
0.3
2.2
2.0
1.7
3.6
3.3
3.1
4.3
4.0
3.8
1.3
1.1
0.8
3.2
2.9
2.7
4.7
4.4
4.2
5.4
5.1
4.9
1.9
1.6
1.4
3.9
3.7
3.4
5.8
5.5
5.3
7.3
7.0
6.8
2.4
2.2
1.9
4.7
4.4
4.2
6.9
6.6
6.4
9.1
8.8
8.6
AFFINITY DUAL CAPACITY HYDRONIC INSTALLATION MANUAL
Discharge
Pressure (psig)
200-215
200-215
215-230
230-255
285-300
300-315
315-330
330-345
365-380
385-400
400-415
485-500
500-515
Discharge
Pressure (psig)
140-175
200-235
250-285
330-365
430-465
150-185
210-245
260-295
340-375
440-485
150-185
210-245
260-295
340-375
160-195
220-255
110°F
0.1
1.3
2.4
3.0
0.6
2.1
3.3
3.9
1.0
2.7
4.2
5.5
1.5
3.3
5.1
7.0
3/9/09
39
Superheat
Subcooling
(°F)
(°F)
10-12
10-13
12-14
8-12
14-18
8-12
25-30
8-12
10-12
10-13
12-14
8-12
14-18
8-12
25-30
8-12
10-12
7-11
12-14
7-11
14-18
3-7
12-14
7-11
14-18
3-7
Superheat
Subcooling
(°F)
(°F)
15-20
3-6
11-15
6-9
11-15
9-12
8-12
12-14
8-12
14-19
15-20
3-6
11-15
6-9
11-15
9-12
8-12
12-14
8-12
14-19
15-20
3-6
11-15
6-9
11-15
9-12
8-12
12-14
40-45
3-6
30-40
6-9
2/15/10
2/15/10
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