NTI Trinity Tft399 Installation And Operation Manual page 45

Tft Series
Table 10-4 Circulator and Pipe Size Requirements
Temp. Boiler Flow
Model
Rise (ºF) Rate (GPM)
20
Tft60 25
35
20
Tft85 25
35
20
Tft110 25
35
20
Tft154 25
35
20
Tft201 25
35
20
Tft285 25
35
20
Tft340 25
35
20
Tft399 25
35
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 Armstrong Astro 30 or B&G NRF-22; alternatively upsize circulator to Astro 50 or NRF-
25.
Boiler Head Minimum
Loss (ft) Pipe Size
6 2.7
4 1.6
3 1.0
8 3.4
6 2.7
4 1.6
10 3.9
8 3.4
6 2.7
14 5.3
11 3.9
8 3.1
18 7.5
15 5.8
11 3.9
26 14
21 9.8
15 5.7
32 7.9
25 8.2
18 5.7
37 8.2
29 5.7
21 3.9
Installation and Operation Instructions
Minimum Primary Loop Pump Size
B&G Grundfos
1"
NRF-22 UPS15-58
¾"
NRF-22 UPS15-58
¾"
NRF-9 UPS15-58
1"
NRF-22 UPS15-58
1"
NRF-22 UPS15-58
¾"
NRF-22 UPS15-58
1" 2 2
NRF-22 UPS15-58
1"
NRF-22 UPS15-58
1"
NRF-22 UPS15-58
1-1/4" NRF-25 UPS26-99
1-1/4" NRF-22 UPS15-58
1"
NRF-22 UPS15-58
1-1/2" NRF-36 UPS26-99
1-1/4" NRF-36 UPS26-99
1-1/4" NRF-22 UPS15-58
1-1/2" NRF-36 UPS26-99
1-1/2" NRF-36 UPS26-99
1-1/4" NRF-25 UPS26-99
2"
NRF-36 UPS26-99
1-1/2" NRF-36 UPS26-99
1-1/2" NRF-36 UPS26-99
2"
PL55 UPS26-150
2"
NRF-36 UPS26-99
1-1/2" NRF-36 UPS26-99
│
Trinity
(1)
Taco Armstrong
0015-MS Astro 30
0015-MS Astro 30
0015-MS Astro 30
0015-MS Astro 30
0015-MS Astro 30
0015-MS Astro 30
2
0015-MS Astro 30
0015-MS Astro 30
0015-MS Astro 30
0015-MS E7
0015-MS Astro 30
0015-MS Astro 30
0013-MS E7
0013-MS E7
0015-MS Astro 30
0013-MS E8
0013-MS E7
0015-MS E7
0012-MS E8
0013-MS E7
0013-MS E7
2400-60 E11
0012-MS E8
0013-MS E7
45