25
E SERIES INSTALLATION MANUAL
Pressure Drop & Recommended Flow Rates
UNIT
PRESSURE DROP
(PSI CHANGE THROUGH HEAT EXCHANGER AT EWT ºF)
GPM
RECOMMENDED
FLOW RATE (GPM)
30°
50°
70°
90°
110°
CLOSED
LOOP
WELL
WATER
0.7
0.7
0.7
0.6
0.6
3.0
E024
1.4
1.4
1.4
1.3
1.3
4.5
4.5 - 6
3 - 4
2.4
2.4
2.4
2.3
2.2
6.0
1.4
1.3
1.2
1.2
1.1
4.0
E030
2.4
2.2
2.1
2.0
2.0
5.5
5.5 - 7
4 - 5
3.6
3.4
3.2
3.1
3.0
7.0
2.2
2.1
1.9
1.8
1.8
5.0
E035
3.6
3.4
3.2
3.1
3.0
7.0
7 - 9
5 - 6
5.7
5.4
5.0
4.8
4.7
9.0
0.7
0.6
0.5
0.4
0.3
3.0
1.1
1.0
0.8
0.7
0.6
4.0
4 - 5 Lo cap
3 - 4 Lo cap
E036
1.6
1.5
1.4
1.3
1.2
5.0
7 - 9 Hi cap
5 - 7 Hi cap
2.9
2.8
2.6
2.5
2.3
7.0
4.7
4.5
4.2
4.0
3.7
9.0
1.7
1.6
1.6
1.5
1.5
5.0
E040
3.5
3.3
3.3
3.1
3.0
8.0
8 - 11
5 - 6
4.9
4.7
4.7
4.4
4.3
11.0
2.0
1.9
1.8
1.7
1.6
6.0
E047
3.7
3.5
3.3
3.3
3.0
9.0
9 - 12
6 - 7
5.9
5.6
5.3
5.2
4.8
12.0
E048
0.4
0.4
0.4
0.4
0.4
3.0
1.8
1.7
1.6
1.5
1.4
6.0
6 - 9 Lo cap
3 - 6 Lo cap
3.3
3.2
3.0
2.9
2.8
9.0
9 - 12 Hi cap
6 - 9 Hi cap
5.3
5.1
4.8
4.7
4.5
12.0
2.1
2.0
2.0
1.9
1.8
8.0
E058
3.1
2.9
2.8
2.7
2.6
11.0
11 - 14
8 - 9
5.5
4.6
4.0
4.2
4.1
14.0
E060
1.1
1.0
0.9
0.9
0.9
5.0
2.1
2.0
2.0
1.9
1.8
8.0
8 - 11 Lo cap
5 - 8 Lo cap
3.1
2.9
2.8
2.7
2.6
11.0
11 - 14 Hi cap
8 - 11 Hi cap
4.8
4.6
4.4
4.2
3.9
14.0
2.7
2.6
2.4
2.3
2.2
10.0
E066
4.3
4.1
3.8
3.6
3.4
13.0
13 - 16
10 - 11
6.1
5.8
5.4
5.1
4.8
16.0
E072
1.5
1.4
1.3
1.2
1.1
7.0
2.7
2.6
2.4
2.3
2.2
10.0
10 - 13 Lo cap 7 - 10 Lo cap
4.3
4.1
3.8
3.6
3.4
13.0
13 - 16 Hi cap 10 - 13 Hi cap
6.1
5.8
5.4
5.1
4.8
16.0
