2.15
2.16
2.17
2.18
When switching off for a season or for holidays, proceed
as follows:
- Deactivate the device
- Turn the general unit switch to off.
The antifreeze function is not active.
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.
Use this adjustment with care, and only after having
actually detected a discrepancy compared with the actual
room temperature using a reliable device!
Key Operation Display
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.
00.0
The controller also ensures anti freezing when in stand-by.
Key Operation Display
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).
Off
Switching off for long periods
Error signals
Deactivation
Room temperature probe regulation offset
Error Display App
Faulty room temperature (AIR) probe
E1 AIR
Problem with fan motor (e.g. blockage caused by foreign objects, faulty rotation sensor).
E2 MOT
Water temperature probe fault for 2-tube versions (H2).
In this case, ensure that the probe installed is 10 kΩ.
E3 H2
Cold water temperature probe fault for 4-tube versions (H4).(Only for ECA647) positioned on the
main battery.
E5 H4
Engaging of grille microswitch S1 due to filter cleaning operation
Gr
GRL
The flashing of one of the 2 symbols indicates that the water temperature (hot or cold) is not
and causes the fan to Stop.
H2NI
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