9 4 3 Terminal description
WARNING – Do not apply a short
circuit or amp meter between + and
– POWER IN when the controller is
connected A short circuit here will
cause a strong electric discharge which
could result in burns, injury or death
Table 5: Terminal explanation
Socket
Terminal
Ground
GND
+
POWER IN
–
1
Water detection
sensor
2
3
Pressure sensor
4
5
Flow meter
6
7
PSU control
8
9
IN 24 V
10
L1
L2
AC output
L3
GND
BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, www.lorentz.de
All specifi cations and information are given with good intent, errors are possible and products may be subject to change without notice. Pictures may
differ from actual products depending on local market requirements and regulations.
Connection
connected to protective ground wire (PE)
connect to positive terminal of PV module
commect to negative terminal of PV module
connection to NC
connection to COM
connect positive (+)
connect negative (–)
connect to Signal
connect to COM
connect positive (+)
connect negative (–)
connect positive (+)
connect negative (–)
connect to the L1 phase of the motor
connect to the L2 phase of the motor
connect to the L3 phase of the motor
connect to protective motor ground wire (PE)
+ –
GND
Figure 9: Terminal block, numbering
Function
grounding
the following conditions apply "Table 3: Technical data
of PSk2 controller" on page 8
connect water detection sensor for surface pumps –
for submersible pumps a jumper wire is needed
between 1 + 2
4 –20 mA signal
sensor supply voltage +24 V
load impedance 100 Ω
input impulse – reed switch; max. rating 1 kHz setting
range: adjustable by PumpScanner application
Refer to the Smart PSU manual
For service purpose – use only if instructed by the
manufacturer
the following conditions apply "Table 3: Technical data
of PSk2 controller" on page 8
13
1
3
5
7
9
L1 L2 L3
GND
2
4
6
8
10
Picture may differ to product
Terminal clamping range
14 AWG – 4 AWG
1.5–16 mm
2
14 AWG – 4 AWG
1.5–16 mm
2
26 AWG – 12 AWG
0.5–2.5 mm
2
14 AWG – 4 AWG
1.5–16 mm
2
Sun. Water.
Life.