Service manual

17
condominiums, apartments and motels and typically used in
conjunction with tempering valves to achieve temperature
control.
Table 11: Flow and Pressure Drop at a Given
Temperature Rise (Hydronic Heating)
Input,
Btu/Hr
30 °F (16.7 °C) 35 °F (19.4 °C)
Temp Rise Temp Rise
USGPM
(min.
flow)
∆
∆∆
∆P Ft.
USGPM.
(min.
flow)
∆
∆∆
∆P Ft.
5.0 8.2 4.3 6.2
100,000
6.3 12.3 5.4 9.4
150,000
9.5 10.4 8.1 7.8
199,000
12.6 7.2 10.8 5.8
250,000
15.8
11.5
13.5
8.7
299,000
18.9
9.3
16.2
7
.0
399,000
25.2 8.4 21.6 6.3
500,000
31.5 9.2 27.0 6.9
600,000
38.8
17
.5
32
.0
11.8
7
0
0,000
45.3
18.2
40
.0
14.4
800,000
51.8 23.5 43.0 16.0
Table 12: Flow and Pressure Drop at a Given
Temperature Rise (DHW)
Input,
Btu/Hr
20 °F (11.1 °C)
Temp Rise
USGPM
(min.
flow)
∆
∆∆
∆P Ft.
80,000
7.5
11.5
100,000
9.4 26.9
150,000
14.0 27.8
199,000
19.2 25.9
250,000
23.5 28.3
299,000
28.8
25.8
399,000
38.4
23.9
500,000
48.6 29.4
600,000
57.6 34.2
7
0
0,000
70.4
40
.0
800,000
77.6
43.2
DynaMax HS Floor Mount Piping Diagrams