Installation of boiler with closed type expansion tank
Symbols
1,2,3,4,5,6,7,8,9 Ball valve
10,11
Radiator switch
12
Radiator
13,14,15 Safety valve
16
Automatic water fill valve
17
Drain tap
18
Cold water supply valve
19, 20, 21, 22, 23, 24
Check valve
Β
Buffer tank
VE
Closed type expansion tank
PCI
Circulator for heating system
PRC
Recirculation pump
PB
Buffer tank circulator
RP
Pressure reducer
F
Y-type strainer
A
Automatic air vent
FD
Water filter
4.4. Installation safety
3 bar safety kit
It consists of a collector, manometer, safety valve and automatic air vent. It is fixed to
the input of hot water. For safety reasons, if not installed any of the following
protective systems must be installed and the second valve.
Regularly check the correct operation of safety valves. In case of wear or damage,
replace them immediately with new ones.
3 bar safety kit.
