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14.
GRANDE 37 Lux PELLET BOILER HYDRAULIC INSTALLATION
DIAGRAM
In order to reduce the risk of condensation, install a three-way mixing valve with a pipe thermostat when installing the
boiler.
14.1.
Pellet boiler hydraulic installation diagram (radiator heating )
14.2.
Pellet boiler hydraulic installation diagram (radiator and floor
heating)
Note: If only floor heating is connected to the boiler, make sure to install an accumulation tank (BUFFER).
Legend:
1. Pellet boiler
2. Air vent
3. Safety valve 3 bar
4. Three-way mixing valve with pipe thermostat
5. Circulation pump
6. Expansion vessel
7. Non-return valve
Legend:
1. Pellet boiler
2. Air vent
3. Safety valve 3 bar
4. Hydraulic separator
5. Circulation pump
6. Non-return valve
7. Circulation pump
8. Expansion vessel
9. Three-way mixing valve with pipe thermostat
10. Circulation pump
11. Floor heating divider
