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6 WIRING DIAGRAMS
6.1 Wiring Solar-direct System
4 strings of 7 PV-modules of 175 Wp = 4.9 kWp
Vmp > 230 V DC, max. Voc 375 V DC
PV disconnect
switch
pump controller
terminals
POWER
IN
to any ground terminal
at controller
If you are not using the
earth
low water probe, install a
ground
jumper wire between
If you are not using a float switch
or sun switch, install a jumper
wire between terminals 4 and 5.
If you are using a battery system,
install a jumper wire between
sun switch
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.
PUMP
To reverse direction,
reverse any two wires
terminals 1 and 2.
terminals 6 and 7.
Min.
Max.
Max.RPM
setting
Factory setting:
Maximum
L1, L2 and L3 must
OPTION
match the numbers
on pump leads.
Other combinations
may cause reverse
disconnect
rotation!
For wire size, refer
to sizing table.
AC PowerPack
PP4000
FAULT
PP4000
NORMAL
240 V DC, 20 A
No user-servicable parts inside. Contact qualified
AC Input Voltage:
380V AC 15%,
Serial Number
service personnel for assistance.
45Hz-65Hz
2
1
DC Output:
180-286V DC
Application of excessive input voltage or a short
DC Output Current:
20A
4
3
circuit at the output will damage the unit and void
ELECTRIC SHOCK HAZARD
the warranty.
DANGEROUS VOLTAGES
PIN1: AC380 PIN10: OUT+
AND CURRENTS
6
5
PIN2: AC380 PIN11: OUT
IP42
This unit, the controller and the solar array
PIN3: AC380
8
7
support structure must be bonded and grounded
NOTICE: DON'T CONNECT PIN4,5,6,7,8,9,12
for safety and resistance to lightning. See
10
9
instruction Manual.
12
11
www.Lorentz.de
3
1 2
diesel generator
380 V AC, 3-phase
G
Before connecting the array to the
controller measure the open-circuit
voltage. It must be below 375 V DC
WARNING No disconnect switches
may be installed in power wires
between motor and pump controller!
The connection of the motor cable to
switched-on controller might cause irreparable
damages which are excluded from warranty!
float switch
float switch kit makes contact on
rise to stop pump. Connect termins
3 (NO) and 4 (COM) and connect
terminals 4 and 5 with jumper wire.
low water
level probe
submersible
cable splice
pump
motor
Sun. Water.
7
Life.
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