Nibe F370 Installer Manual page 38

Constant pressure (CP)
Within a limited range, the circulation pump is permitted
to regulate its speed to a constant system pressure.
Speed 1, 2 or 3 is selected based on maximum flow
requirement.
The setting is intended for underfloor heating systems.
Capacity, circulation pump (CP)
Pressure Tryck
(kPa)
50
40
30
20
10
0
0 0,1 0,2
Output, circulation pump (CP)
Output Effekt
(W)
45
40
35
30
25
20
15
10
5
0
0 0,1 0,2
Pump speed CP
LED indication
1 The circulation pump's factory setting
38 Chapter 6 | Commissioning and adjusting
3
2
1
0,3 0,4 0,5
Flow
Flöde
(l/s)
3
2
1
0,3 0,4 0,5
Flow
Flöde
(l/s)
1
1 2 3
Constant curve (CC)
The circulation pump's speed is fixed and no regulation
takes place. Speed is selected based on maximum flow
requirement.
The setting can be used when very high flows are re-
quired.
Capacity, circulation pump (CC)
Pressure Tryck
(kPa)
80
70
60
50
40
30
20
10
0
0 0,1 0,2
Output, circulation pump (CC)
Output Effekt
(W)
60
50
40
30
20
10
0
0 0,1 0,2
Pump speed CC
LED indication
1 2 3
0,3 0,4 0,5 0,6
Flow
Flöde
(l/s)
3
2
1
0,3 0,4 0,5 0,6
Flow
Flöde
(l/s)
1 2
NIBE F370
3