perature difference is obtained. A high difference indic-
ates a low brine flow and a low difference indicates a
high brine flow.
1 cirkulationspump
2 cirkulationspumpar
1 circulation pump
2 circulation pumps
F1345 24 kW
60%
80%
0
0 0,5 1,0 1,5 2,0 2,5 3,0
20
40
60
80
100
120
140
Tillgängligt tryck
(kPa)
Flöde
(l/s)
100%
40%
External available pressure
Flow
0
0 0,2 0,4 0,6 0,8 1,0 1,2
20
40
60
80
100
120
140
Tillförd eleffekt
(W)
Flöde
(l/s)
60%
80%
100%
40%
160
180
200
1,4 1,6
Electrical power circulation pump
Flow
F1345 30 kW
0
0 0,5 1,0 1,5 2,0 2,5 3,0
20
40
60
80
100
120
140
Externt tillgängligt tryck (kPa)
Flöde
(l/s)
100%
80%
60%
40%
1 crikulationspump
2 cirkulationspumpar
External available pressure (kPa)
Flow, l/s
0
0 0,2 0,4 0,6 0,8 1,0 1,2 1,4
20
40
60
80
100
120
200
Eleffekt per cirkulationspump (W)
Flöde
(l/s)
100%
80%
60%
40%
140
160
180
Flow, l/s
Electrical output per circulation pump (W)
F1345 40 kW
0
0 0,5 1 1,5 2 2,5 3 3,5
20
40
60
80
100
120
180
Extern tillgängligt tryck (kPa)
Flöde
(l/s)
100%
80%
60%
40%
140
160
External available pressure (kPa)
Flow, l/s
0
0 0,5 1 1,5 2 2,5 3 3,5
100
200
300
400
500
600
800
Eleffekt cirkulationspump (W)
Flöde
(l/s)
100%
80%
60%
40%
700
Flow, l/s
Electrical power, circulation pump (W)
F1345 60 kW
0
0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 5,0
20
40
60
80
100
120
Externt tillgängligt tryck (kPa)
Flöde
(l/s)
100%
80%
60%
40%
4,5
External available pressure (kPa)
Flow, l/s
0
0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0
200
400
600
800
1000
1200
1400
Eleffekt cirkulationspump (w)
Flöde
(l/s)
100%
80%
60%
40%
Flow, l/s
Electrical power, circulation pump (W)
Heating medium side
F1345 has heating medium pumps that can be automat-
ically controlled. For manual operation: deactivate “auto”
in menu 5.1.11 and then set the speed according to the
diagrams below.
NIBE F1345Chapter 6 | Commissioning and adjusting38
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