Boiler hydraulic diagrams
A
7
B
A.
DELIVERY Heating male 1"
B.
RETURN Heating male 1"
C.
Safety Exhaust (3 bar)
1.
Boiler
2.
Circulating pump
3.
Circuit/heating chamber air vent
4.
Pressure relief valve P max 3 bar
5.
Expansion vessel (preload 1 bar)
6.
Shutoff valve/cock
7.
Automatic thermostatic valve
Use and maintenance manual
9
6
C
6
8
HR EVO 200-250 SMART
3
T
2
P
4
5
T
Water temperature sensor
P
Circuit pressure sensor
Rev.0 21/12/2020
Pag.31