29
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3.3 Setting the low temperature system
Set the low temperature system delivery temperature by manually adjusting the mixing
valve and referring to the following table.
Knob position
Temperature (°C)
MIN
20
1
25
2
30
3
35
4
40
5
45
6
50
7
55
MAX
60
3 4 5 6
3.4 Setting the high temperature system
Set the heating temperature selector of the boiler to the value required for the high
temperature system.
3.5 Checks after commissioning
Once commissioning has been completed, check:
- the plumbing circuit for leaks
- that the heating system is pressurised
- that the main switch for the system works
- that the electrical connections are correct.
- the mixing valve opens and closes correctly.
For heat requests from a mixed system, check that the mixing valves open and close
correctly.
b
If even one of these checks provides a negative result, the system is to be
switched off and must not be started up again until the fault has been elimi-
nated.Maintenance
4 mAINTENANCE
4.1 Cleaning
Disconnect from the power supply before carrying out any cleaning operation by set-
ting the main switch to "off".
The panelling is to be cleaned with a damp cloth using soap and water.
If there are stubborn stains, use a cloth with a 50% water and denatured alcohol
mixture, or use specific products.
Dry carefully after cleaning.
a
Do not use abrasive products, benzene or trichloroethylene.
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 advisable to check
that the shaft of the circulation units rotate.This is necessary 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 circulation unit
- press (a) and turn (b) the screwdriver until the motor shaft releases
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.
4.4 Checking the mixing valves
After a long period of inactivity, it is recommended that the correct function of the
mixing valves is verified. Manually act on them by using the control knob.
