Water Circuit - Beretta POWER PLUS Installation Instruction

Water Circuit

SC2
10
Water-side pressure drop in the boiler
The POWER PLUS Boiler does not come with a pump, which must be installed in the system.
When sizing the pump, refer to the water-side pressure drop in the boiler, as shown in the figure below.
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
0
1
3
4
5
9
SC1 MI RI
250 500 750 1000
AA
1 - Fan
2
2 - Gas valve
3 - Automatic vent valve
4 - Burner
SF
5 - Heat exchanger
6 - Condensate drain trap
7 - Drain cock
8 - Water differential pressure
9 - Safety valve (5,4 bar)
AA
SF
6
SC
MI
7
RI
8
GAS - Gas supply
GAS
1250 1500 1750
FLOW-RATE (l/h)
switch
- Air intake
- Flue gas outlet
- Condensate drain
- Central heating flow outlet
- Central heating return inlet
2000 2250 2500 2750 3000