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8          Installation

Installation          9

Configure the PS2 controller with PumpScanner as 

instructed in the PS2 and PumpScanner manuals. To 

configure automatic switching of the power supply 

between solar and grid power navigate to “Feature 
Settings” in PumpScanner and expand the “Switch 
output”.

Under the tab “Sun Sensor is triggered”, select “24/7 

operation with PowerPack”. Define the irradiation 

threshold for which the PowerPack should be 

activated. See figure 4 for examples. 

The wires for connecting the switch output of the 

PS2 controller with the remote on/off terminals of 

the PP2000S must be 1 mm² (AWG18) or larger.

5  Installation

5.1 Mounting

The PowerPack should be mounted on a wall or 
panel close to the pump controller in a vertical 
position. The unit must be protected from direct 
rainfall and direct sunlight. 

Fixing pattern for holes: 310 x 292 mm / 12.2 x 11.5 in

Figure 5: Product dimensions

 

l

WARNING 

– Beware of high voltage! 

Hazardous electricity may be present 
and can shock, burn or cause death! 
Only authorized and qualified personnel 

should operate the system. 

 

a

CAUTION 

– The PowerPack should 

only be connected to power after correct 
wiring or the controller may be damaged.

CAUTION 

– Do not connect any 

electrical load to the PV generator other 
than the LORENTZ pump controller and 
PowerPack. Connecting the battery 
charger, active solar tracker controller, 
electric fence charger or other loads 

simultaneously with LORENTZ PS2 
systems may interfere with the 

controller and prevent proper operation.

CAUTION 

- Measure the voltage 

before connecting power to the 
PowerPack. Follow the guidelines 
included in this manual regarding 
maximum PV input voltages. 

CAUTION 

- Do not connect the PV 

modules to the DC output as it may 
damage the PV modules. 

5.2 Connections and wiring

DC Solar Input 

- Connect the PV modules to “SOLAR 

POWER IN”, paying close attention to the polarity. 
Check the voltage from the PV generator. The voltage 
must not exceed the open circuit values listed in 
table 3 below.

Table 3: Maximum PV input

Controller

PP2000S

PS2-600

150 V DC

PS2-1800

200 V DC

Every solar pump system must be equipped with 
a properly sized DC disconnect switch. The switch 
must be installed between the PV generator and the 
PowerPack.

AC Input

 - Connect AC power to the terminals (L) line 

and (N) neutral. Before connecting to grid, check that 
the grid connection is properly protected with a fuse 
and if required with an ELCB (Earth leakage circuit 
breaker). All electrical connections must meet local 
and national electrical standards.

Grounding

 – Ensure the PowerPack is correctly 

grounded to meet local and national ectrical 
guidelines. The dedicated GND terminal on the AC 
input is the grounding connection.

DC power out 

- Connect the Powerpack DC OUT via 

an appropriate DC disconnect (or PV disconnect) to 
the POWER IN + - terminals of the PS2 controller.

A

D

B

E

C

F

A= 280mm

B= 350mm

C= 140mm

D= 334mm

E= 384mm

F= 180mm

Product Dimensions for Installation Manual

A

D

B

E

C

F

A= 280mm

B= 350mm

C= 140mm

D= 334mm

E= 384mm

F= 180mm

Product Dimensions for Installation Manual

 

l

WARNING 

– This device must be 

installed, connected and serviced by 
qualified personnel only. Ensure all 
power sources are disconnected when 
making connections to this unit. Follow 
all appropriate electrical codes.

WARNING 

– For best performance 

and to avoid over temperature shut off, 
install the PowerPack in a location that 
is shaded from direct sun. Allow free 
air circulation around the ventilation 

openings on the side and bottom of 

enclosure. 

Dimensions

A

B

C

D

E

F

mm

280

350

140

334

384

180

in

11

13.8

5.5

13.1

15.1

7.1

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