INSTALLATION
14
4.4.3.
Installation with an alternative heat source
Legend
1.
PLC boiler
2+3.
Alternative oil/gas boiler and burner
4.
Closed expansion vessel
5.
Safety kit
6+7.
Recirculation pump and 3-way thermostatic valve
8.
Filter “Y”
9.
3-way valve with servomotor
10.
Buffer tank-heat storage
11.
Dual safety valve pressure/temperature
12.
Sanitary hot water boiler
13.
Mechanical filter with nylon “Ny”
14.
Chemical phosphate filter
15.
Automatic water filling valve
16.
Circulation pump for heating & sanitary water
17.
Automation for heating & sanitary water
18.
Safety pressure valve for sanitary water circuit
19.
Heating installation (outside the project)
RS
Ball valve
CS
One-way valve
RG
Drainage valve
TC
Room thermostat
MC
Controller module
