INSTALLATION, OPERATION AND MAINTENANCE MANUAL
10
1. Boiler
4. Safety Valve (TS 131, STS 20)
2. Open Expansion Tank
5. Four Way Mixing Valve
3. Radiator
fig. 11
1. Boiler
2. Laddomat 21-60 operated by Flue
Thermostat – 50-300°C
3. NAD or NADO Accumulator Tank
4. Immersion Heater
5. Three Way Mixing Valve
6. Circulating Pump
7. Room Thermostat
8. Heating System Outlet
9. Open Expansion Tank
10. DHW Mixing Valve
fig. 12