Ferroli JOLLY Plus 2 User Manual page 26

Deactivation
Key
Operation
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 .
The control ensures anti-freeze safety even when set to stand-by .
Room temperature probe offset adjustment
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
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 .
Long term shut-down
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 .
Error signals
Error
Room temperature probe (AIR) failure .
Fan motor fault (for example jamming due to foreign bodies or fault in the rotation sensor) .
Water temperature probe failure for 2-pipe versions (H2). In this case make sure the probe has
10 kΩ.
Operation of the S1 grill microswitch due to filter cleaning
10
ELECTRONIC CONTROL ON UNIT TC PLUS
Display
Spento
Display
00 .0
Display
E1
E2
E3
Gr