WEBTEC VFD120MD Série Mode D'emploi page 10

Operating Instructions
`
The valve assembly is setup at the factory and does not require any further adjustment. Contact the supplier if normal
operation does not start.
Potentiometer Control:
When the control knob is fully set anti-clockwise the priority flow will be at its minimum and when it is set fully
clockwise the priority flow will be at its maximum.
NB: If the demand potentiometer signal connection is open circuit the valve will stay at the current flow.
0.5 - 5V & 4 - 20mA Demand Control:
When the input control signal is at minimum (0.5V, 4mA) the priority flow will be at its minimum, and at maximum (5V,
20mA) the priority flow will be at its maximum.
If the valve does not work as expected check power and demand control connections.
IMPORTANT!
DO NOT REMOVE THE CANISTER.
This device does not have user-serviceable parts or user-adjustable settings.
8