4.16.5 Activate the steam boost mode
Before activating the steam boost mode, make sure the LDU-Screen (Figure 4-45) shows the
following:
•
Firing Pressure Gas Mode is (5) “OK”
•
Servo Oil (6) is “OK”
•
DCC (7) is “Not Active”
•
Load Range (8) is “OK”
1 Press the button “Enable SBM” (1) to activate the steam boost mode.
4.16.6 Deactivate the steam boost mode
Before deactivating the steam boost mode, make sure the LDU-Screen (Figure 4-45) shows the
following:
•
Firing Pressure Gas Mode (5) is “OK”
•
Servo Oil (6) is “OK”
•
DCC (7) is “Not Active”
•
Load Range (8) is “OK”
1 Press the button “Disable SBM” (2) to deactivate the steam boost mode.
4.16.7 Adjust the steam boost mode offset
Before adjusting the steam boost mode offset, make sure the following conditions are met:
•
The engine is running with partial load
•
The steam boost mode is activated
1 a.) On the right side of LDU-Screen, turn the control key to the left to decrease the SBM-
Offset-%.
or
1 b.) On the right side of LDU-Screen, turn the control key to the right to increase the SBM-
Offset-%.
2 Press the control key to acknowledge the selected value of the Exhaust-Valve-Operation-
Offset.
NOTE: Adjusting the SBM-Offset will change the Exhaust-Valve-Operation-Offset. If the
Exhaust-Valve-Operation-Offset is changed, the exhaust valve will open earlier.
X92DF
AA00-9270-00AAA-043C-A
Operation Manual Steam production control system
Winterthur Gas & Diesel Ltd.
- 144 - Issue 002 2020-08