INSTALLATION
12
Do not fill the system at the working pressure! When the boiler will be heated,
the water pressure will raise. Filling pressure must be at least 1 bar lower than
working pressure!
4.4.
Connection diagrams
4.4.1.
Installation as single heating source
Legend
1.
PLC boiler
2.
Closed expansion vessel
3.
Safety kit
4+5.
Recirculation pump and 3-way thermostatic valve
6.
Filter “Y”
7.
Chemical phosphate filter
8.
Automatic water filling valve
9.
Mechanical filter with nylon “Ny”
10.
Sanitary hot water boiler
11.
Safety pressure valve for sanitary water circuit
12.
Automation for sanitary water
13.
Heating installation (outside the project)
RS
Ball valve
CS
One-way valve
RG
Drainage valve
TC
Room thermostat
MC
Controller module
