4.5 Top Blowdown Adjusters
By setting expansion option 23.1, and M.M. parameter 83 to 1 the following TDS adjusters are
available in Mk6 mode.
The TDS Adjusters allow the Top Blowdown Operation to be adjusted to suit boiler’s conditions.
These must be accessed in Mk6 mode. In Mk6 Mode, press the button until the day to day
Top Blowdown Management screen is displayed.
Whilst the day to day Top Blowdown Management screen is being displayed press the
button for 2 seconds so that the SET TDS TARGET VALUE screen is shown.
Press the button twice. The ADJUSTERS screen shown below should be displayed. Note
while in this screen there is no top blowdown operation.
Use the channel buttons to select the item to be adjusted.
Use the channel buttons to adjust the value units. Where appropriate the channel
buttons can also be used to change the value by 10.
Press RUN to return to normal operation. When the run button is pressed, all Adjuster values are stored
in memory.