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4.1.2 On / Off Mode
For ‘ON/OFF’ controllers with relay outputs (instead of pulse outputs) each pump is programmed as follows:
Set points 1 and 2 must be separated by 0.5 pH minimum. If ‘Point 3’ is selected in the Advanced Features Menu,
the user will be prompted to enter a pH value for Set Point 3 and a Pump Speed at Set Point 3. Set points 1 and 3,
2 and 3 must be separated by 0.1 pH minimum.
(6) ...... Press to increase/decrease the pH for Set Point 2.
(7) ...... Press again.
(8) ...... Press
to increase/decrease pump speed (pulse/min)
for Set Point 2.
‘Pump B’ (Base Pump) is programmed in a similar way.
Pump A Control Profile
(1) ...... Press ....to display Set Point.
(2) ...... Press
to increase/decrease pH Set Point.
(3) ...... Press
to save programmed Set Point.
(4) ...... Press
to program ∆ pH (Hysteresis) period for
relay. In this example, ‘Pump A’ will turn on at a pH of
8.0 (set point + ∆ pH). ‘Pump A’ will turn off when pH
drops to 7.5.
‘Pump B’ (Base Pump) is programmed in a similar way.
Controller must be in ‘OFF’ mode to program changes.
• Hysteresis values can be set as low as 0.1 pH
• Lowest setpoint value for pump B is 1pH
• Highest setpoint value for pump B is 12 pH
• Lowest setpoint value for pump A is 2 pH
• Highest setpoint value for pump A is 13 pH
(866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com
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