Stenner SVP Serie Manual De Instalación Y Mantenimiento página 18

INSTALLATION
SVP4 Model
For automatic mode of operation, verify that the 4-20mA LED light is displayed on
the keypad. Provide the required signal for the automatic mode of operation. The
pump will respond to the 4-20mA input signal and pace accordingly. Proceed to
Step 6.
• 4.0-4.7mA = OFF or 0% motor speed.
• 4.8-19.9mA: the pump will operate in 1% increments every 0.16mA.
• Above 19.9mA the pump will operate at 100% motor speed.
• The pump's minimum speed is 5% @ 4.8mA.
Feed Rate
6. After suitable amount of dosing time, perform tests for desired chemical readings
(e.g., pH or ppm). If necessary, fine tune dosing or adjust solution strength.
The injection point and fitting require periodic maintenance to clean any
deposits or buildup. To allow quick access to the point of injection, Stenner
recommends the installation of shut-off valves.
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continued
100%
75%
50%
25%
5%
4.9
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12 20 mA Input Signal