6. The small wastewater treatment system's control unit
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KLbasic/KL24base control unit
KLplus/KL24plus control unit
7 X4: Connection for extension cable: external
indicator.
7 Connection for temperature sensor,
"must be plugged in!",
8
X3: Connection for extension cable: UV
module and metering pump,
9
X4: Connection for external indicator
and contactor monitor,
10 P: Connection for pressure measuring
hose.
Connections on the KL24 control units
6.2
On the rear of the KL24base and KL24plus control units are the connector plugs and fuses.
Please note: Whenever working on the electrical system, move the maintenance
switch into position "0" (OFF) and disconnect the mains plug!
Figure 9: View of rear of KL24base control unit
Connections:
1 Connection for mains cable
230 V AC ~ 50 Hz,
2 X1: Pre-assembled valve cable,
3 X2: Schuko coupling for the air compressor
connection,
4 COM: Connection for communication module
(optional) and/or port for PC,
5 F1: T6.3A main fuse, slow blow.
Figure 10: View of rear of KL24plus control unit
Connections:
1
Connection for mains cable
230 V AC ~ 50 Hz,
2
X1: Pre-assembled valve cable,
3
X2: Schuko coupling for the air com-
pressor connection,
4
COM: Connection for communication
module (optional) and/or port for PC,
5
F1: T6.3A main fuse, slow blow,
6
F2: T2A fuse for UV module, slow blow,
7 Connection for temperature sensor,
"must be plugged in!",
9 X3: Connection for UV module
10 P: Connection for pressure measuring
hose.
