9
Page
Operation and maintenance manual for the Q-PER series boilers with feeders. The producer reserves the right to introduce technical modifications.
Equalizing tank
Non-r
etur
n ball v
alv
e
Non-r
etur
n v
alv
e
Cen
tral
hea
ting
pump
Pump
Boiler
Hea
ters
Stor
age
-type
wa
ter hea
ter
for domestic hot w
ater
Ex
emplar
y diagram of the open central hea
ting sy
st
em with f
our-w
ay v
al
ve and hot w
at
er hea
ter
