KYRA D 30 SI UNIT COND
47
A73022660
EN
5.2 Water circuit
fi
g.39 - Water circuit
Legend of the
fi
gures chapter 5
A4 =
Smoke outlet Ø 100
A6 =
Condensate
discharge
8 =
DHW outlet Ø 1/2”
9 =
DHW input Ø 1/2”
10 =
System delivery Ø 3/4”
11 =
System return Ø 3/4”
14 =
Safety valve Ø 1/2”
32 =
Heating circulating pump
36 =
Automatic air vent
38 =
Flow switch
42 =
DHW temperature sensor (optional)
56 =
Expansion vessel
74 =
Charging key
191=
Smoke temperature sensor
246 =
Pressure
transducer
275 =
Key download heating circuit
278 =
Double sensor ( heating)
295 =
Burner
5.3 Diagrams
Circulating pumps Head/Pressure loss
- Circulating pump head with setting at “
fi
xed speed”.
fi
g.40
A
Boiler pressure losses
1 - 2 – 3
Circulating pump speed
- Circulating pump head with setting at “proportional head”.
fi
g.41
A
Boiler pressure losses