21
ENGLISH
Filling
RI
- Before starting the loading, check that the boiler drain
valve (1) is closed.
1
- Open the shut-off devices of the hydraulic system and
slowly load until the display shows the value, with cold
water, of
1,5 bar
Bar
°C
- Close the central heating circuit shut-off cocks.
NOTE
The system is de-aerated automatically through the au-
tomatic vent valve.
The drain pipe of the drain valve must be connected to
a suitable collection system.
Emptying
Before emptying:
- Set the main switch of the system to OFF and the main
switch of the equipment to (
0
).
- Close the water supply shut-off cocks;
- To empty the boiler, connect a rubber tube (A) (in-
tø=12mm) to the hose connector of the boiler drain
valve (1) and open it.
1
A
