Installation & Operation Manual

6 Hydronic piping

Figure 6-2Pressure Drop vs. Flow - Models 51 - 211

6

Table 6A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°

 

 

 

20°F Temperature Rise Applications

 

 

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

51

5.1

11

1"

UPS26-99F

0011

NRF-36

E7

81

7.5

24

1"

UPS26-99F

0011

NRF-36

E7

106

9.8

27

1"

UPS26-99F

0013

NRF-36

E11

151

14.0

20

1"

UPS26-99F

0011

NRF-36

E7

211

19.6

29

1"

UPS32-160

1400-50

PL-55

E9

 

 

 

25°F Temperature Rise Applications

 

 

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

51

4.1

7.3

1"

UPS15-58FC

0014

NRF-36

E7

81

5.9

15.0

1"

UPS15-58FC

0014

NRF-36

E7

106

7.7

17.5

1"

UPS26-99F

0014

NRF-36

E7

151

11.0

12.8

1"

UPS26-99F

0014

NRF-36

E7

211

15.5

19.0

1"

UPS26-99F

0013

NRF-36

E7

 

 

 

 

35°F Temperature Rise Applications

 

 

Model

GPM

 

FT/HD

Minimum Pipe

 

Pump

 

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

 

51

2.9

 

4.1

1"

UPS15-58FC

007

NRF-22

Astro-30

81

4.2

 

7.3

1"

UPS15-58FC

007

NRF-22

Astro-30

106

5.5

 

9.8

1"

UPS15-58FC

007

NRF-22

Astro-30

151

7.9

 

10

1"

UPS15-58FC

008/0010

NRF-36

Astro-30

211

11.0

 

10.1

1"

UPS15-58FC

0010

NRF-36

Astro-50

 

Pumps listed in bold type are provided by the factory as the boiler circulation pump on standard altitude

NOTICE

 

 

models.

 

 

 

 

 

 

 

 

 

 

 

 

NOTICE

Pumps listed in italicized type are provided by the factory as the boiler circulation pump on high altitude

 

 

models.

 

 

 

 

 

 

 

 

 

 

 

 

NOTICE

The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation.

38

Page 38
Image 38
Lochinvar 51-211 operation manual Pump Size Grundfos, Armstrong