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TECHNICAl INFORMATION
3.6
Short description of the functions of the
automatic function device BIC 970
The automatic function device BIC 970 of the UltraGas
®
2
is only used in conjunction with the heating controller
TopTronic
®
E/UltraGas
®
2, which means many familiar
functions are already provided by the latter. Consequent-
ly, only the features which are integrated in the automatic
function device are mentioned here:
-
PWM control of the fan
-
Modulating operation
-
Ionisation electrode for flame monitoring (ionisation)
- Optional ignition monitoring via UV sensor
-
Main gas valve (possibly LPG valve) or boiler room fan
can be controlled
- Inputs for:
- Flow sensor 1
- Flow sensor 2
- Flue gas sensor
- Water pressure sensor
-
Safety limit value thermostat (possibly external flue
gas temperature monitor)
- Air pressure switch
- Optional air pressure sensor can be connected for
monitoring
- Gas pressure switch
- “Fault” and “Flame message” status outputs
- RS-485 connection to TopTronic
®
E/UltraGas
®
2
- Number of start attempts: maximum 4
- Safety time: 5 sec
- Pre-ignition: 5 sec
- Pre-ventilation period: 50 sec
- After-run time for pump (230 VAC): 5 min after a heat
demand
Occurrence of a malfunction
A possible malfunction is displayed on the control module
by means of error code and plain text. In addition, the
lamp on the control module and, if necessary, on the fault
signalling lamp of the control panel adapter also lights up.
There is also a reset button on the control panel adapter
with which the boiler can be put back into operation when
the malfunction has been rectified.
Fuses
There is a fusible link on the BIC 970: 10AT
Содержание 51-UltraGas 2 1000
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