Ariston Chhaffoteeaux 3301556 User Manual page 20

Deactivation
Key Operation
Press and hold the ON Stand-By key for approx. 2 seconds. No illuminated signals
on the display at all means that the system is in stand-by (no operation).
The controller also ensures anti freezing when in stand-by.
Room temperature probe regulation offset
As the detection probe is towards the bottom of the
device, the temperature detected may at times differ from
the actual room temperature.
By using this function, the value displayed can be adjusted
in a range from -9/+12 K in intervals of 0.1°C.
Key Operation
With the display off, press and hold the - key for 5 seconds to access the menu
which allows adjustment (using the + and - keys) of the AIR probe offset displayed,
from -9 to +12 K in 0.1 K intervals.
After 20 seconds from the last action, the panel switches off and the setting is
stored.
Switching off for long periods
When switching off for a season or for holidays, proceed
as follows:
- Deactivate the device
Error signals
Error
Faulty room temperature (AIR) probe
Problem with fan motor (e.g. blockage caused by foreign objects, faulty rotation sensor).
Water temperature probe fault for 2-tube versions (H2).
In this case, ensure that the probe installed is 10 kΩ.
Engaging of grille microswitch S1 due to filter cleaning operation
The flashing of one of the 2 symbols indicates that the water temperature (hot or cold) is
not satisfied and causes the fan to Stop.
20 - EN
Use this adjustment with care, and only after having
actually detected a discrepancy compared with the actual
room temperature using a reliable device!
- Turn the general unit switch to off.
The antifreeze function is not active.
Display
Off
Display
00.
0
Display App
E1 AIR
E2 MOT
E3 H2
Gr GRL
H2NI