B&C Electronics CL 7685
Operator’s Manual - Rev. C - 05/05
- 15 –
Connecting the sensor
- Sensor cabling is a critical part of the whole system.
- Use original cable supplied with the sensor
- Avoid interruption on the cable
- connect the White wire (Counter electrode) to the terminal 17 marked EL
- connect the Black wire (Measuring electrode) to the terminal 18 marked IN
- connect the shield (Reference electrode) to the terminal 19 marked R
Connecting alarms, pumps, valves
The output connections referred to Set-point SA and Set-point SB are made at terminal strip and they
consist of two independent SPDT relays corresponding to Regulator A and Regulator B .
The output connection referred to alarm consists of SPST relay corresponding to Alarm C.
The output connection referred to auto-clean consists of SPST relay
corresponding to Auto clean D.
Control relay "A" Set-point "SA"
Terminal 6_ marked C_ : common contact
Terminal 5_ marked NO_ : normal open contact
Terminal 7_ marked NC_ : normal closed contact
Control relay "B" Set-point "SB"
Terminal 9_
marked C_ : common contact
terminal 8_ marked NO_ : normal open contact
terminal 10_
marked NC_ : normal closed contact
Alarm relay "C"
Terminal 12_ marked C_ : common contact
Terminal 11_ marked NO_ : normal open contact
Auto clean relay "D"
Terminal 12_ marked C_ : common contact
Terminal 13_
marked NO_ : normal open contact
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