fig. 11
1. Boiler
2. Open Expansion Tank
3. Radiator
fig. 12
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
4. Safety Valve (TS 131, STS 20)
5. Four Way Mixing Valve
6. Circulating Pump
7. Room Thermostat
8. Heating System Outlet
9. Open Expansion Tank
10. DHW Mixing Valve
INSTALLATION, OPERATION AND MAINTENANCE MANUAL 10
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