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10
Boiler circulator
10.1
Pump anti-seize protection
This function prevents the heating zone pump from
seizing up following longer idle periods.
The appliance will briefly run the pump at least every 24 hours after its
last activation.
10.2
Changing the pump curve of the boiler pump
The speed of the boiler pump can be changed using the dial on the pump.
25
20
15
10
1
5
0
0
1
2
3
7
6
5
4
3
1
2
1
0
0
200
400
600
Fig. 66 Pump curve of the boiler pump heating boiler
KBR..-3A
Greenstar FS
4
3
2
4
5
6
7
8
.
V / gpm
4
3
2
800
1000
1200
1400
1600
.
V / l/h
6 720 641 933-59.1O
25
20
15
10
5
0
0
1
2
3
7
6
5
4
3
2
1
0
0
400
Fig. 67 Pump curve of the boiler pump combi boiler
KWB..-3A
Key to Fig. 66 and Fig. 67:
[1]
Residual head pressure at speed 1
[2]
Residual head pressure at speed 2
[3]
Residual head pressure at speed 3 (default setting)
[4]
Head pressure of the boiler pump by itself (at speed 3)
H
Head pressure in feet of head (m)
Circulating water volume in gallons per minute (l/h)
In order to save as much energy as possible and keep any
water circulation noises to a minimum, select the lowest
possible pump speed.
Boiler circulator | 55
4
3
2
1
4
5
6
7
8
.
V / gpm
4
3
2
1
800
1200
1600
.
V / l/h
6 720 641 933-61.1O
6 720 810 590 (2015/05)
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