Commissioning; Safety Instructions - bürkert Type 8077 Bedienungsanleitung

7.3.1 Wiring the npn transistor output and
the reed switch output
L+ (4,5 - 24 V DC)
(red wire)
L- (black wire)
R
NPN transistor out-
put (white wire)
R=1,8 kW pull-up at 24 V DC
Fig. 4 Wiring of NPN transistor output and the Reed switch
output
IN
- +
IN = pulse input on remote transmitter
Remote transmitter
Fig. 5 Example for the connection of the NPN transistor output
to a remote transmitter
14
V DC
yellow wire
green wire
L+
X
V DC
L-
NPN
8077
English
Type 8077

Commissioning

8 commissioninG
8.1

safety instructions

Warning
risk of injury due to nonconforming commissioning.
Non conforming commissioning could lead to injuries and damage
the device and its surroundings.
▶ Before commissioning, make sure that the staff in charge have
read and fully understood the contents of the manual.
▶ In particular, observe the safety recommendations and intended
use.
▶ The device/installation must only be commissioned by suitably
trained operators.
Protect this device against electromagnetic interference,
ultraviolet rays and, when installed outdoors, the effects of
the climatic conditions.
The pipe must be full of liquid without air bubbles.
→
Drain air from the pipe by gradually filling the pipe with fluid.
→
Make sure the installation is tight.