1.3 Technical characteristics
8
Technical characteristics
- Connection to radiofrequency RFRC (868MHz, modulation FSK).
- Connection to boiler by means of non-polarised pair 2x0.75mm, max. length 30m.
- No type of auxiliary power supply or batteries are necessary.
- Operating temperature range 0÷65°C.
- Reserve charge time in absence of connection/power of at least 8 hours.
- Permanent storage of user programmes and settings.
- The display is connected to the board by means of two non-polarised wires, through which it is fed and communicates with the board.
- The characteristics of the connection line are as follows:
Number of wires: 2x0.75mm
2
Type of cable: twin wire*
- Max. cable resistance: 2
,5Ω
- Polarity : polarity free
* In case of places with high electrical noise, a screened or twisted cable must be used.
Luminous signals
Jumper check only for service technicians
The board has 3 LED’s for showing operation status and any faults.
DL1 yellow communication not active communication active not provided for
DL2 red no fault probe fault not provided for
DL3 green no power power on not provided for
LED COLOUR OFF ON FLASHING
NO jumper
E
Operation with PROBE Automatic Version YES jumper
E
Operation with THERMOSTAT Manual Version
Retrofit controllers QUA/ELET AND QUA/UNIV Retrofit controllers QUA/ARIA1-2
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