4 Top Blowdown
04.09.2016 Mk8 MM Expansion Features Installation and Set-Up Guide Page 81
4.5 Calibrating TDS Probe
Figure 4.5.i Top Blowdown
Press on the TDS probe/ servomotor in the Home screen to access the top blowdown
control screen. The TDS value is shown corrected to 25 degrees Celsius. The TDS temperature
compensation is set through expansion option 43.
The TDS target value is set by expansion option 42.
Top blowdown control does not function when the pressure is below the offset pressure from the
required setpoint which is set in expansion option 47.