11
Throughout this manual, the term ‘pulse’ is used to describe the mechanical stroke of the pump, as strokes per minute
(SPM).
4.1.1 Proportional Mode
The unit is shipped preset at the factory for the ‘PROPORTIONAL’ or ‘ON/OFF’ mode. To change the unit to the opposite
mode see ‘Advanced Menu List,’ Option 2, on page 20.
Controller must be in ‘OFF’ mode to program changes.
Figure 10: Pump A Control Profile
When the pH value exceeds the programmed pH
alarm point (12.5), the ‘ALARM’ flashes and the
alarm relay is activated.
Pressing
switches the mode back and forth from RUN’
to ‘OFF’. The pH set points and pump speed (pulses/min) can
be changed only in the ‘OFF’ mode.
(1) ...... Press
(2) ...... Press to the increase/decrease the pH value of Set
Point 1 for turning on ‘Pump A’.
(3) ...... Press
again.
(4) ...... Press
to increase/decrease pump speed (pulse/min) for
set point 1.
(5) ...... Press again.
(866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com
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