Graf ONE2CLEAN Manual page 10

OPERATION OF THE CONTROL SYSTEM
4
4.1.1 Display of Operating Status
4.1.1 Display of Operating Status
The operating status is indicated by the LEDs
4.1.1 Display of Operating Status
The operating status is indicated by the LEDs
In normal operating mode (aeration mode), the display appears as follows:
The operating status is indicated by the LEDs
In normal operating mode (aeration mode), the display appears as follows:
4.1.1 Display of Operating Status
In normal operating mode (aeration mode), the display appears as follows:
The operating status is indicated by the LEDs
In normal operating mode (aeration mode), the display appears as follows:
Aeration
Rest: 120:10min
In automatic mode, the liquid crystal display shows the current work phase and the remaining time left in
In automatic mode, the liquid crystal display shows the current work phase and the remaining time left in
this phase.
In automatic mode, the liquid crystal display shows the current work phase and the remaining time left in
In automatic mode, the liquid crystal display shows the current work phase and the remaining time left in this phase.
this phase.
If a fault occurs, the red LED is turned on. A message indicating which component is faulty appears in the
this phase.
If a fault occurs, the red LED is turned on. A message indicating which component is faulty appears in the
If a fault occurs, the red LED is turned on. A message indicating which component is faulty appears in the liquid crystal
liquid crystal display (e.g. Fault Compressor 0.0A).
If a fault occurs, the red LED is turned on. A message indicating which component is faulty appears in the
display (e.g. Fault Compressor 0.0A).
liquid crystal display (e.g. Fault Compressor 0.0A).
liquid crystal display (e.g. Fault Compressor 0.0A).
4.1.2 The following work phases are displayed
4.1.2 The following work phases are displayed
4.1.2 The following work phases are displayed
4.1.2 The following work phases are displayed
Display
Display
Display
Denitrification
Display
Denitrification
Denitrification
Denitrification
Ventilation Ventilation
Ventilation
Ventilation
Sedimentation phase
Sedimentation phase
Sedimentation phase
Activity phase
Activity phase
Sedimentation phase
Activity phase
Cycle pause/holiday mode
Cycle pause/
Activity phase
Cycle pause/
holiday mode
Cycle pause/
holiday mode
Rest: XXX:XXmin
Rest: XXX:XXmin
holiday mode
Rest: XXX:XXmin
Rest: XXX:XXmin
Symbol Key assignment
Symbol Key assignment
Symbol Key assignment
Enter key
Enter key
Symbol Key assignment
Enter key
Enter key
Scroll
Scroll
Scroll
Scroll
Acknowledgement
Acknowledgement
Acknowledgement
Acknowledgement
10
Graf UK Ltd
4. Operation of the Control System
4. Operation of the Control System
4. Operation of the Control System
(green
(green
(green
(green = operational /
Aeration
Aeration
Aeration
Rest: 120:10min
Rest: 120:10min
Rest: 120:10min
Process performed
Process performed
Process performed
Y3 valve (plug X1.1) is actuated intermittently; the activated sludge is briefly
Process performed
Y3 valve (plug X1.1) is actuated intermittently; the activated sludge is brieflymixed
Y3 valve (plug X1.1) is actuated intermittently; the activated sludge is briefly
with the wastewater. This is followed by long pauses (response times).
mixed with the wastewater. This is followed by long pauses (response times).
Y3 valve (plug X1.1) is actuated intermittently; the activated sludge is briefly
mixed with the wastewater. This is followed by long pauses (response times).
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals over a long Y3 valve (plug X1.1) is actuated; the system is aerated in intervals over a long
mixed with the wastewater. This is followed by long pauses (response times).
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals over a long
period of time.
period of time.
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals over a long
period of time.
No valves are actuated, the activated sludge settles in the system.
No valves are actuated, the activated sludge settles in the system.
period of time.
No valves are actuated, the activated sludge settles in the system.
Y4 valve (plug X1.2) is actuated; the clear water is pumped into the drain.
Y4 valve (plug X1.2) is actuated; the clear water is pumped into the drain.
No valves are actuated, the activated sludge settles in the system.
Y4 valve (plug X1.2) is actuated; the clear water is pumped into the drain.
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals (considerably
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals (considerably
Y4 valve (plug X1.2) is actuated; the clear water is pumped into the drain.
less than in the aeration phase).
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals (considerably
less than in the aeration phase).
Y3 valve (plug X1.1) is actuated; the system is aerated in intervals (considerably
less than in the aeration phase).
Display of remaining time.
Display of remaining time.
less than in the aeration phase).
Display of remaining time.
Display of remaining time.
Function
Function
Function
Selection of operating mode, confirmation of entries
Selection of operating mode, confirmation of entries
Function
Selection of operating mode, confirmation of entries
Selection of operating mode, confirmation of entries
Display of operating modes and queries Programming of
Display of operating modes and queries Programming of
Display of operating modes and queries Programming of
the system by entering figures
Display of operating modes and queries Programming of
the system by entering figures
the system by entering figures
Acknowledgement of entries without saving
the system by entering figures
Acknowledgement of entries without saving
Acknowledgement of fault messages
Acknowledgement of entries without saving
Acknowledgement of entries without saving
Acknowledgement of fault messages
Acknowledgement of fault messages
Acknowledgement of fault messages
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= operational / red = fault) and as text on the screen.
= operational / red = fault) and as text on the screen.
= operational / red = fault) and as text on the screen.
red = fault) and as text on the screen.