Ranger S Installation and troubleshooting
27
A photo diode type flow sensor is also connected to the “Flow” terminal,
and via the “V‐Aux” terminal through a resistor.
Recommended resistor values:
• 9V: 330 Ohm, 0.25 Watt
• 12V: 470 Ohm, 0.5 Watt
Enabling Flow Sensor Input (pulses)
By default flow sensor input is enabled in the Ranger 4000 S. To enable flow
sensor input to accept pulses, follow this procedure:
Enabling flow sensor pulse input in the Ranger 4000 S
1 Turn the dial to
SETUP SENSORS
:
Note:
You can enable flow sensor input even if you haven't
attached a physical sensor yet ‐ you just won't get any reading
from it.