26
IMPLEMENT SETTINGS
11.9
Device calibration
Allows to start calibration for the devices connected to the VT.
Fig. 50
11.9.1
Press. sensor zero value
In case a pressure value other than zero is displayed despite the absence of pressure inside the circuit, it is necessary to perform zero calibration of
the sensor.
Before carrying out any operation, disable the pump by disconnecting it from the power supply.
Make sure that the pump is correctly disabled, then open the main valve and all section valves.
1
Start the procedure by pressing
Start
.
2
Press
Confirmation
to reset the pressure sensor residual signal.
1
Fig. 51
2
Value too low!
Value too high!
Unstable signal!
If this alarm is displayed, faulty pressure values have been detected: check the
conditions described at the beginning of the paragraph (no residual pressure,
disabled pump). If the problem persists, check the correct connection
and operation of sensor.
Quits without confirming the
changes
Saves the changes
Delete
Quit
Confirm
Goes back to previous menu,
or scrolls the pages of a menu
(previous page)
Scrolls the pages of a menu
(next page)
Goes back to Main screen
Saves the changes to current
page
