Slant/Fin LX-150 User Manual
Page 26
Lynx
26
Table 2. Recommended pump models for domestic hot water tank piping.
Figure 19. Boiler water side pressure drop
0
0
2
4
6
8
10
12
14
2
4
6
8
10
Head
(feet w.c.)
Flow Rate (GPM)
15
LX
-1
50
L
X
-9
0
LX
-1
20
Notes:
*
This is the minimum flow rate recommended for the boiler.
**
Domestic water tank piping head is based on 1” inside diameter piping and full port valves.
***
Refer to the DHW Tank Manufacturer’s water flow rate requirements and associated pressure drop head loss, to select
the appropriate circulator.
▲
Or Grundfos UPS 26-99F.
Boiler
Model
No.
Flow
Rate
(gpm)
Temp
Rise
(˚F)
Boiler
Head
Loss
(Feet w.c.)
Domestic
Water
Tank Piping
Head Loss **
(Feet w.c.)
Available Head Capability Left for Various
Model Circulators to Overcome DHW Tank
Head Loss (Feet w.c.) ***
Taco 0014
Taco 0011
▲
Taco 0013
8.1
20
8.2
2.5
7.3
14.1
17.5
6.5
25
5.4
2.2
10.9
18.2
22.2
5.4
30
3.5
2.0
14.0
21.3
25.2
4.0*
40
2.1
1.5
16.4
23.9
28.2
10.8
20
9.5
3.0
4.5
11.4
13.4
8.6
25
6.6
2.7
8.5
14.8
18.7
7.2
30
4.2
2.5
11.5
18.3
22.2
5.4*
40
2.5
1.5
15.5
23.0
27.0
13.5
20
9.0
3.5
2.7
7.5
11.5
10.8
25
6.0
3.0
8.0
13.5
17.5
9.0
30
4.2
2.5
11.0
17.0
20.5
6.8*
40
2.5
2.0
14.0
21.5
24.5
LX-90
LX-120
LX-150