8
SIU
ECA644 - ECA647
1.15
1.16
1.17
1.18
Long term shut-down
Error signals
For seasonal shut-downs or holidays proceed as follows:
- Disable the device.
- Set the main system switch to Off.
The anti-freeze function is not on
.
In some cases the detected values might not represent
the real temperature due to the fact that the temperature
probe is located in the lower section of the device.
Use this function to adjust the measured value shown on
the display within a range of +/- 10 °C in 0.1°C steps.
Use this adjustment carefully and only after having found
actual deviations from the room temperature using a
reliable tool!
Key Operation Display
With the panel off hold the - key for 5 seconds to access the menu from which you can
adjust (using the + and - keys) from –10 to +10 K in 0.1 K steps the offset of the AIR
probe displayed on the screen.
After 20 seconds from the last action performed the panel turns off and the setting is
saved.
00.0
Error Display
Room temperature probe (AIR) failure.
E1
Fan motor fault (for example jamming due to foreign bodies or fault in the rotation sensor).
E2
Water temperature probe failure for 2-pipe versions (H2). In this case make sure the probe has
10 k.
E3
Cold water temperature probe failure for 4-pipe versions (H4). (Only for ECA647) located in the
main battery.
E5
Operation of the S1 grill microswitch due to filter cleaning
Gr
Deactivation
The control ensures anti-freeze safety even when set to
stand-by.
Key Operation Display
Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no
function) there are no light signals on the display.
Off
Room temperature probe offset adjustment