SmartBox
®
1 / SmartBox
®
2 / SmartBox
®
3
Part No. 28 100 57 e
3 / 16
ASSEMBLY
Before assembling, check that the product is complete and has not suffered any damage
during transport.
ASSEMBLY, START-UP and MAINTENANCE are to be carried out by a specialised
company in terms of water law.
For the system to function as intended it must be installed professionally in compliance with
the technical instructions applicable to the planning, construction and operation of the entire
system.
These regulations also include the accident prevention regulations of the employers’ liability
insurance associations, the VDE regulations, and the installation and operating instructions.
Notes on installation
The housing of the indicator is suitable for wall mounting and is connected to the 230 V mains
supply. Under normal circumstances, the indicator must be operated with the housing cover
closed. It is installed and commissioned by a qualified technician while the unit is open.
Installation of the indicator
1. Mount the indicator to the wall in a suitable position.
2. After loosening the four screws, open the indicator by removing the cover.
3. Mount the unit to a smooth vertical wall by means of dowels. Mount the housing of the
indicator by the four fixing holes by means of the enclosed screws. Take care not to
damage the housing!
4. After connecting the terminals and setting the unit up, replace the cover.
Assembly Measuring probe
See Assembly and operating instruction „Measuring probe“.
ELECTRICAL INSTALLATION
Connection of supply voltage:
Voltage: 230 V AC 50 Hz
Connection: Terminals
PE
,
N
+
L
to the indicator (cable not included in the delivery)
Connection of the relay contacts at the indicator SmartBox
®
2 und SmartBox
®
3
The indicator SmartBox
®
2 has two relay contact pairs (SmartBox
®
3
one relay) for the
connection of external control circuits or for activating external alarm or signal devices.
In case of failure of the unit and if the fill level (or optionally the temperature) is above the
selected limit, the contacts of relay terminals
6 + 7
and
9 + 10
are closed. Contacts of relay
terminals
5 + 6
and
8 + 9
are open - see the legend on the PCB in the unit.
WARNING
Switching voltage max. 250 V AC
Switching current max. 3,5 A
Connection
normally open (NO) normally closed (NC)
only SmartBox
®
Relay 1
terminals
5 + 6
terminals
6 + 7
2
Relay 2
terminals
8 + 9
terminals
9 + 10
2 + 3
Connection of interface to SmartBox
®
4, SmartBox
®
5 or PC set
The measured values can be transmitted to the SmartBox
®
4, SmartBox
®
5 or the PC set via
the integrated interface “SERIAL LINK OUTPUT” terminals
3 + 4
.
