Electrical Connection Recommendations (All Versions) - Burkert 8205 Notice D'utilisation

3 INSTALLATION
3.1.3 Installation pH controller 8205 wall-mounted version
The pH controller in wall-mounted version has 4 fixing holes in the bottom enclosure.
Remove the white blanking stripes (see Fig. 2.5) and the cover to access to fixing holes
CURRENT
SOURCE SINK
PE
REL:230VAC/3A
TRANS:5..30VDC/100mA
+
+
Fig. 3.3
Mounting pH controller, wall-mounted version
3.2 Electrical connection

3.2.1 Electrical connection recommendations (all versions)

Do not open and wire the device with the power supply connected.
The electrical installation of the building where the controller is
installed must be secured by a switch or a circuit breaker.
It should be installed near the controller, be easily accessible and be
clearly identified as the switchgear of the controller.
It is recommended to put security devices on :
Power supply: Fuse (300 mA - temporised) and an interrupter
Relay: 3A max. fuse and circuit breaker (depending on application).
Do not apply in the same cable both a dangerous voltage and a very
low safety voltage to the relays.
Fuse
Iout L+ L- PE
1
Supply
2
12..30Vdc
PT1000
3
T
PE
4 Fluid potential
(third electrode)
5
PE
PH CONTROLLER 8205
Switch for power supply
selection 115/230 VAC
5 6 7 8 9 10
E-11-
.
L N