SIKA VTY10K5, Operating Manual

Page: 19 / 28

VTY Electrical Connection
Technical changes reserved - 19 -
3 Electrical Connection
The electrical connection is made by 3 single wires with Molex Mini-Fit
®
plug.
Optionally, the electrical connection is also available with a 3-wire PVC cable. The VTY10 is
additionally also available with 3 single wires.
The flow sensor is also available with a customer specific cable and with or without con-
nector.
CAUTION
The electrical connection of the flow switch should only be carried out by a fully
qualified electrician.

Always de-energize the system before connecting the flow switch.
PAY ATTENTION TO THE TYPE PLATE
Depending on the version of the flow sensor, the wiring differs from the infor-
mation in this operating manual.

Pay attention to the pin assignment on the type plate.

Connect the flow sensor according to the following connection diagrams.
Wiring
* Recommended pull-up resistance R ~5 k Ω .
Colour
code
WH = white
GN = green
BK = black (single wire)
BN = brown (PVC cable / Molex)
R = resistance
Pin assignment Molex Mini-Fit
®
plug
BK/BN: GND
WH: +U = 4.5...24 V
DC
GN:
R* = 5 k Ω
max. 10 mA
NPN