Geco GH10HA, Руководство пользователя

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GH10HA USER MANUAL PAGE 12
Issue I APRIL 2013
6.7. Boiler Burnout Detection
6.7.1. 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.
If during automatic mode for time set in F9 parameter the flue gas temperature will be below value set in F11
parameter, the controller recognizes that boiler has expired and
AL13
occurs.
When
F11
=0, this detection including flue gas temperature is disabled.
6.7.2. 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 CH and HUW pumps are switched off, and the
Controller goes into the burnout detection mode.
The Controller waits for the period of time set in the F10 setting, during which it checks whether a rise
of 4°C occurs.
If YES, then the burnout detection condition is stopped, and the CH and HUW pumps (if necessary) are started.
If NOT, this means that the furnace is burned out – the Controller enters the
AL13
alarm condition.
STOPPING CH PUMP OPERATION IN BURNOUT DETECTION
IS INDICATED BY BLINKING THE UPPER INDICATOR ON .
7. USER SETTINGS
7.1. Boiler Temperature Setting (U0)
You can change the boiler temperature setting using the following procedure:
STEP 1 STEP 2 STEP 3
→
or
→
Green LED lights on the
key.
Display shows current
temperature setting.
Set a new desired
temperature within range
permitted by the boiler
manufacturer.
Save the new
temperature setting.
Move to the U1 setting
If during setting the new temperature
none of the following keys , ,
is pressed for 15 s, the new temperature will not be saved
and the Controller will exit the programming mode.