24
INSTALLATION
2.11.2
Filling
− Before starting the loading, check that the boiler drain
valve (1) is closed.
1
− Open the system load valve (2) and slowly load until the
display reaches the water pressure value (cold water) of
1.5 bar
Bar
°C
− Close the load valve.
NOTE
The system is de-aerated automatically through the
automatic vent valve.
The drain pipe of the drain valve must be connected to a
suitable collection system.
2.11.3
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
