33
33
ENGLISH
4 .2 Draining the CONNECT LE
Before starting draining operations, set the main switch to “off”.
To drain the
CONNECT LE
:
- Close the shut-off cocks on the side of the system (if present)
- Connect a small pipe to the drain cock (1)
-
1
Using a CH11 wrench, open the cock (1) without unscrewing it
completely
- After having drained the
CONNECT LE
close the cock (1) again.
4 .3 Checking the circulation units
When starting up for the first time and at least once a year, it is advis-
able to check that the shaft of the circulation units rotate.This is nec-
essary because, especially after lengthy periods of inactivity, deposits
and/or residue may stop it rotating freely.
Releasing the circulation unit shaft if necessary
To release the shaft, proceed as follows:
- insert a screwdriver (Phillips no.2) into the hole (1) of the circu-
lation unit
- press (a) and turn (b) the screwdriver until the motor shaft re-
leases
1
a
b
Take great care when carrying out this operation so as not to damage
the components.
a
Do not run the circulation unit without water.