User Instructions for GECO GH21TA controller
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Page 35 Edition I
19.06.2013
Alarm 11
- Maximum fuel feeder temperature exceeded
The controller shows an alarm when no feeder rotation is detected, according to the sensor value
in the service parameters.
-
'S14'
> 0. The alarm is activated when the temperature
'T
feeder
'
exceeds 90°C.
Alarm 12
- Overheating boiler
This alarm occurs when the temperature of water coming from the boiler exceeds that set
in parameter
- 'S17'
[°C].
If the temperature of water from the boiler drops to four degrees below that set in
’S17’
, the
controller returns to work in manual or automatic mode, depending on how it was operating
before alarm AL12 was activated.
Alarm 13
– Boiler extinguished
The conditions for this alarms operation are checked when service parameter 'S8'> 0 or
'S10'> 0. A detailed description of the operation of boiler extinguished detection function is in
Section 7.6.