10
USE
10
ELECTRONIC CONTROL ON UNIT TC PLUS
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 –9 to +12 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 kΩ.
E3
Operation of the S1 grill microswitch due to filter cleaning
Gr
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 .
Spento
Deactivation
Room temperature probe offset adjustment
Error signals
Long term shut-down
