Figure
Figure
Pump
Valve
Air-exhaust valve
Safety valve
Mixing valve
Thermo manometer
Consumer
Boiler filling tap
BOILER
BOILER
Figure 7 a – Scheme of closed central heating system
with built in 4-way valve
Figure 7 b – Scheme of closed central heating system
with built leaning pipe thermostat
Pump 1. Intake valve
Valve 2. Guide for filling and discharging the system
exhaust valve 3. Distribution guide
4. Thermal exhaust valve
5
.
Drainage for overheated water from the system
manometer 6. Aqueduct network
7. Closed expansion vessel
8. Leaning pipe thermostat
14
central heating system
Scheme of closed central heating system
filling and discharging the system
Drainage for overheated water from the system
