USER INSTRUCTIONS GH11RA
STRONA
10
Wydanie I
STYCZEŃ 2010
5.5.
Alarm Conditions
The Controller uses 8 different alarm conditions. In each alarm condition, the Controller displays the
alarm number and activates the alarm sound output. In case of several alarm conditions occurring
simultaneously, their numbers are displayed in sequence. You can exit an alarm condition only by pressing
. This does not include the AL12 alarm condition.
Alarm conditions:
•
AL1
→
STB activated or fuse blown
•
AL2
→
Boiler water outlet temperature sensor failure
•
AL3
→
Feeder temperature sensor failure
•
AL4
→
DHW/return temperature sensor failure
•
AL9
→
No feeder rotation / reed switch failure
•
AL11
→
Maximum feeder temperature exceeded
•
AL12
→
Boiler overheating
•
AL13
→
Boiler burnout
5.6.
Power Outage
After a power outage the Controller starts to reactivate according to the condition it was in before the
power down. The Controller waits 1 minute to stabilise the mains power parameters, and then restores
operation with the previously programmed settings.
During the waiting period, the display shows time in seconds remaining until the end of the period,
along with indication of its condition before the power outage:
•
blinking “A” for AUTO mode,
•
blinking “P” for SUSTAIN mode,
•
blinking “r” for MANUAL mode.
Respective indicators (AUTO
or SUSTAIN
) are blinking along with the letters.
5.7.
Boiler Burnout Detection
5.1.7.
No Fuel
If during automatic operation the boiler outlet water temperature remains below the F08 setting
for a period of time set in the F09 setting, then the Controller considers the boiler as “burned out” and
enters the
AL13
alarm condition.
5.1.8.
Sudden Drop of Outlet Water Temperature
If during automatic operation the boiler outlet water temperature drops by 10°C, and during that
dropping period the temperature does not rise by 4°C, then the SH and DHW pumps are switched off, and
the Controller goes into the burnout detection mode.
