Slant fin corp – Slant/Fin CHS-399 User Manual
Page 43
CHS Series
Installation and Operation Instructions │
Slant Fin Corp.
43
Table 10-4 Circulator and Pipe Size Requirements
Model
Temp.
Rise (ºF)
Boiler Flow
Rate (GPM)
Boiler Head
Loss (ft)
Minimum
Pipe Size
Minimum Primary Loop Pump Size
(1)
B&G
Grundfos
Taco
Armstrong
CHS-
85
20
8
3.4
1”
NRF-22
UPS15-58 (2)
007
Astro 30 (3)
25
6
2.7
1”
NRF-22
UPS15-58 (2)
005
Astro 30 (2)
35
4
1.6
¾”
NRF-22
UPS15-58 (1)
005
Astro 30 (2)
CHS-
110
20
10
3.9
1”
2
NRF-22
(2)
UPS15-58 (3)
007
2
Astro 30 (3)
(2)
25
8
3.4
1”
NRF-22
UPS15-58 (2)
007
Astro 30 (3)
35
6
2.7
1”
NRF-22
UPS15-58 (2)
005
Astro 30 (2)
CHS-
155
20
14
5.3
1-1/4”
NRF-25 (3)
UPS26-99 (2)
0011
E7
25
11
3.9
1-1/4”
NRF-22
UPS15-58 (3)
007
Astro 30 (3)
35
8
3.1
1”
NRF-22
UPS15-58 (2)
007
Astro 30 (3)
CHS-
175
20
16
6.6
1-1/2”
NRF-36 (2)
UPS26-99 (2)
0011
E7
25
13
4.7
1-1/4”
NRF-25 (3)
UPS26-99 (2)
0010
E7
35
9
3.4
1”
NRF-22
UPS15-58 (3)
007
Astro 30 (3)
CHS-
200
20
18
7.5
1-1/2”
NRF-36 (2)
UPS26-99 (2)
0011
E7
25
15
5.8
1-1/4”
NRF-36 (2)
UPS26-99 (2)
0011
E7
35
11
3.9
1-1/4”
NRF-22
UPS15-58 (3)
007
Astro 30 (3)
CHS-
250
20
23
11.3
1-1/2”
NRF-36 (3)
UPS26-99 (3)
0013
E8
25
18
7.5
1-1/2”
NRF-36 (2)
UPS26-99 (2)
0011
E7
35
13
4.7
1-1/4”
NRF-25 (3)
UPS26-99 (2)
0010
E7
CHS-
300
20
28
5.4
2”
NRF-36 (3)
UPS26-99 (3)
0012
E8
25
22
4
1-1/2”
NRF-36 (2)
UPS26-99 (3)
0011
E7
35
16
3.1
1-1/2”
NRF-25 (3)
UPS26-99 (2)
0010
E7
CHS-
399
20
37
8.2
2”
PL55
UPS32-80 (2)
2400-30
E11
25
29
5.7
2”
NRF-36 (3)
UPS26-99 (3)
0012
E8
35
21
3.9
1-1/2”
NRF-36 (2)
UP26-99 (2)
0011
E7
Notes:
1
Pump sizing based on Primary/Secondary plumbing configuration with specified minimum pipe diameter with up to 50’
equivalent length.
2
Upsize piping to 1-1/4” if using Taco 007, Armstrong Astro 30 or B&G NRF-22; alternatively upsize circulator to 0010,
Astro 50 or NRF-25.