23
INSTALLATION
GITRÈ B/100
4
open
closed
(non-return)
− Open the central heating circuit shut-off cocks and slowly
fill the system until the pressure gauge reads out a value
of
1.5 bar
(cold).
− Close the shut-off cocks opened previously and close the
non-return valve (3) (
GITRÈ B/100
models)
NOTE
The system is de-aerated automatically through the automatic
vent valve (4) (
GITRÈ B/100
models).
2.10.3
Emptying
Before draining the boiler or storage cylinder:
− Turn the mains power switch OFF and turn the control
panel function selector to (
0
).
− Close the water supply shut-off cocks;
− To empty the boiler, connect a rubber hose (5) (internal
diameter Øint=12mm) to the hose union on the boiler's
drain cock (1).
− To empty the storage cylinder, connect a rubber hose (5)
(internal diameter Øint=12mm) to the hose union on the
storage cylinder's drain cock (2) (
GITRÈ B/100
models)
GITRÈ
1
5
GITRÈ B/100
3
2
open
5
1
NOTE Open a hot water tap to facilitate emptying the storage
cylinder.
Open the non-return valve (3) to facilitate emptying the
boiler
