Wilo -MVISE-2G Betriebsanleitung Seite 30

English
7.1.2 MODE with regulation: MODE 2
The pump can run in different regulation types
(pressure, temperature, flow,...).
The P, I, D factors are fixing on the software for
the pressure regulation. And on the other hand,
for another regulation, the P, I, D factors will be
configurated when you put in parameters.
MODE 2 : Pressure regulation (fig. 2)
The addition of a pressure sensor and a tank
allows a pressure regulation of the pump.
The accuracy of the sensor is ≤ 1% and it is used
between 30 % and 100 % of the measuring scale
range. The tank must have a useful volume of 8L
minimum. With no water in the tank, pressurize
the tank to a pressure 0.3 bar less than the pres-
sure regulation of the pump. (tank and sensor kit
delivered as accessories)
(tank and sensor kit delivered as accessories).
Parameters input in MODE 2
• Set the switch (fig.4, item S) on position SERVICE.
• Select M2.
• Validate.
• Select the source of set value Internal / External.
Default "I" (set value adjustment by encoder).
• Validate.
• If the external set value "E" is validated, (set value
adjustment by external signal).
• select the signal type (0-10V) or (0-20mA).
• Validate.
• Select the regulation type "P" for the pressure
regulation.
• Validate.
• Select the range of the pressure sensor
(6, 10, 16 bar).
• Validate.
• Select the type of sensor (0-10V) or (0-20mA).
(the information which is blinking is the one
validate).
• Validate.
• Select the stop delay (time between detection of
zero output and complete stop of the pump):
range from 0 to 180 seconds (with notice 180 s).
• Validate.
• Visualisation of the Operating time meter.
(number of pump operating hours).
• Validate.
• Set the switch back on position OPERATION.
Operating in MODE 2 and set value control with
encoder
For the starting up, we recommend to set the motor
speed at 60% of its maximum pressure.
By turning the encoder the requirement value
can be changed.
• Validate the new value.
With a short impulse on the encoder the actual
pressure can be displayed; the requirement pres-
sure reappears after 30 seconds or after on other
impulse.
An impulse around 1s allows the ON/OFF func-
tion.
• Select OFF.
• Validate.
30
MODE 2 - Pressure regulation
ON
SERVICE
1 2
MODE
type
0,1s
Internal
set value
0,1s
0,1s
Sensor
range
0,1s
0,1s
Delay
time
zero flow
0,1s
Operation
hours
0,1s
ON
OPERATION
1 2
Set value
New value 0,1s
1s
Actual
value
0,1s
ON
OFF
External
set value
0,1s
Input10V
or 20mA
1s
0,1s
WILO AG 06/2008