Lorentz PS Commander Fiche technique

The Solar Water Pumping Company

Photo may dier from actual product

Manual for Installation and Operation

PS Commander

Monitoring and managing systems remotely

2 Introduction 3

2 Content Introduction 3

1 Introduction

Thank you for purchasing a LORENTZ PS

Commander.

Pre-installation checklist

Check the item numbers of all the components of

your system, and verify that they are the items that

you ordered.

Read this manual in full. Store the manual and the

replacement parts near to the PS Commander. Install

any pump systems that the PS Commander will

connect to.

Subscribe to the LORENTZ Global service which

includes SIM card activation.

1.1 Product description

LORENTZ PS Commander connects pump controllers

securely to the IoT (internet of things).

LORENTZ CONNECTED

All LORENTZ pump systems have built-in data

logging. At each installation site, an installed

LORENTZ controller collects the performance data

from the pump system and stores it for periodic

collection. The controller uses Bluetooth™ to

communicate with the LORENTZ CONNECTED

apps allowing secure real-time data to be viewed

and historic data to be collected without physical

connections.

LORENTZ Assistant

To view real-time data or to collect historic data an

application called “Assistant” is used. Assistant runs

on the Android Operating System (smartphone or

tablet) and communicates with the controller via

Bluetooth. The communication distance is up to 10 m

(33 ft). Pump setting changes such as on/o timers

and speed control can also be made.

Table of Content

1 Introduction .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 3

1.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1.2 Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2 Storage and Handling .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .5

3 Ambient and operating conditions .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 5

4 Installation.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 5

4.1 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

4.2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

4.3 Assembly of PV-Module bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

4.4 Placement of the PS Commander. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

5 Start-up and operation .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .9

6 Troubleshooting. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .9

6.1 Missing pump connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

6.2 No connection to telecommunication network . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.3 No connection to LORENTZ server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.4 Low Voltage Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.5 SIM card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

EN EN

4 Introduction Storage and Handling 5

LORENTZ PS Commander

The Commander is used to control and read the

values and stored data of a pump system via remote

control comfortably from home, oce or on the

road. It is possible to handle several pump systems.

LORENTZ Global

This is a cloud-based water management system

which allows you to monitor and manage LORENTZ

devices anywhere in the world, whether that means

a service for one pump for a farmer or thousands

of pumps for a utility, corporate customer or

governments.

Using this service means you know exactly what is

happening in (very near) real-time. Benets include:

Reduced risk and losses from failed water delivery

Saves time and costs by reducing site visits

Allows you to plan ahead (e.g. forecast any

potential shortages)

With a LORENTZ solar pump system and Global you

can talk to your pump from anywhere.

1.2 Product features

The LORENTZ PS Commander has the following

features:

connection to a maximum of 8 PS2, PSk2 or PSk3

pump systems within Bluetooth range

grid-independent 24h power supply

connection to LORENTZ Global via mobile

communication networks:

 19-001900/19-001880: 2G/3G

 19-001860/19-001870: 2G/4G (LTE-M1 or

LTE-NB)

long life expectancy and proven in service record

designed for use in remote and harsh conditions

self-monitoring of battery voltage, signal strength,

temperature and irradiation

smart modular design for simple and cost

eective servicing and repair

fast and simple installation

engineered in Germany

4 Installation

Unscrew the lid to open the PS Commander for

battery and PV installation. The installation must

be done with great care and diligence. Close the lid

when all work has been done.

l WARNING: Never connect any other

power source to the "SOLAR IN" terminal

than a PV module as specied below.

The PS Commander will periodically

short-circuit the input to measure the

irradiation. Any other power source

would consequently damage the device

and/or the power source itself.

a Note: If an external power supply must

be used, do not connect the PV module.

Connect a 12V DC power supply to the

battery input instead of the battery.

Irradiation measurement will not be

possible in this conguration.

4.1 Power supply

The PS Commander gains its grid independent

power from a battery charged by a PV module. The

required battery and PV module must be ordered

separately.

2 Storage and Handling

On receipt of your product check that the packaging

is undamaged and complete. If any abnormality is

found, contact your distributor. It should remain in

the packaging until it is to be installed. Handle the

PS Commander with care and avoid unnecessary

impacts and shocks. The required battery and PV

module must be ordered separately.

Prolonged intermediate storage in an environment

of high humidity and uctuating temperatures must

be avoided. Moisture condensation may damage

electrical and metal parts. Non-compliance will void

any warranty. It is recommended to store the parts

in a closed and dry room. The PS Commander can be

stored in the range of -4 °F to 122 °F (–20 °C to 50 °C).

It should not be exposed to direct sunlight.

3 Ambient and operating

conditions

Operating temperature

The PS Commander should only be operated in a

temperature range of 5°F to 122°F (-15°C to +50°C).

Humidity and air salinity

The PS Commander must not be operated where the

day average humidity is above 80% or in saline air

with more than 2µg/m³.

Altitude

The PS Commander must not be installed at

altitudes above + 3000m m.s.l.

EN EN

6 Installation Installation 7

4 . 2 .1 Battery

Use the 2 pin battery plug with the pre-assembled

cables. The red cable is for plus (+), the black cable is

for minus (-).

Make sure the cables are securely mounted to the

battery. Ensure and check the correct polarity.

Slide in the battery. Ensure the battery is correctly

seated and secure it with the battery xation strap.

4.2.2 PV module

The PV module has a pre-wired cable. The

numbering of the phases is printed on the cable

jacket of the phases (1 is for plus (+), 2 is for minus

(-) ). Thread the cable through an appropriate cable

gland. Use the rubber seal (from the plug in the

cable-gland) to seal the cable entry. Connect the

cable to the Solar in terminal. The left terminal is for

plus, the terminal to the right is for minus. Use the

cable-gland in the bottom lid for strain relieve and

sealing.

Do not connect the plug at this point. The PS

Commander start-up is described in chapter 5.

PV-Module characteristics

Pmax Imp Vmp Isc Voc

unit [Wp] [A] [V] [A] [V]

value min. 20 1.2 17.2 1.3 21.6

value max. 150 7.9 8 18.8 8.5 22.7

If a PV module other than LORENTZ LC-20-12M

is used then the Isc must be congured via the

LORENTZ Assistant app accordingly.

4.2 Wiring

l WARNING – All electrical connections

should be performed by qualied experts

only!

The kit includes two green plugs, one is for the

battery and already pre assembled with a red (plus)

and black (minus) cable. The second plug is for

Solar In. The two plugs must be removed from the

board before wiring. The socket on the bottom right

lower edge of the board is for the PV-Module cables

(labeled with “ SOLAR IN”). The socket on the centre

right side of the board is for the battery cables

(labeled with “BATTERY”).

Battery

If a battery is not delivered by LORENTZ, it must

meet the following characteristics:

Genesis NP7-12 or similar. Sealed 12V AGM lead

acid battery

Min. capacity: 5Ah

Max. dimensions without connector:

151 x 70 x 95 mm (5.94 x 2.56 x 3.74 in)

Height overall max. 100mm (3.94 in)

Connector: 4.8 mm (0.189 in) faston tabs

It is possible to purchase a battery from LORENTZ.

Contact your distributor for further information.

PS Commanders delivered by LORENTZ, with

batteries included, must be re-charged every 6

months during storage.

PV module

The recommended PV-module is:

LORENTZ LC20-12M

The PV-Module is not only for battery charging.

It is also used as a measurement sensor for

irradiation detection. If a PV-module other than the

recommended is used,it must meet the following

characteristics:

4.2.3 Fuse

The fuse is switched in the red cable (plus) of the

battery cable. Pull out and replace the fuse if it is

broken. The fuse has no special orientation.

2A fast-acting ATO fuse

One fuse is pre-installed to the Battery cable,

another one fuse is delivered as replacement.

4.3 Assembly of PV-Module bracket

We recommend that you use the delivered PV

module bracket and to install it as mentioned in this

section.

Assemble the brackets to the pre-assembled PV

module braces. Use four M6x16 screws (with 1x

washer and 1x spring washer) as shown in „Figure 2:

Mounting of the brackets“. Fasten the screws with

10Nm.

Figure 1: PS Commander wiring slots

PV-

module

slot

Battery

slot

EN EN

8 Installation Start-up and operation 9

6 Troubleshooting

6.1 Missing pump connection

If a pump controller does not connect to the PS

Commander check that:

The pump controller is either a PS2, PSk2 or PSk3

controller. Other controllers are not supported by

the Commander.

a green system light is shown on the pump

controller

there is no active Assistant connection to the

pump system

there are not more than 8 PS Controllers within

range of the PS Commander. In this situation the

9th pump would not connect.

the Bluetooth signal strength is not impaired by

obstacles, walls or other interfering signals or

mounting the PS Commander in a metal box

5 Start-up and operation

Before installing the device it is advised to register

the system(s) in partnerNET Sites and to start the

monitoring service in partnerNET in order to activate

the SIM card.

The Commander is designed following "plug'n'play"

principles for ease of use.

Upon powering the device it will automatically

connect to the best network available

search for nearby Lorentz pump controllers and

forward their data to the remote management

platform LORENTZ Global

a NOTE: The Commander will regularly

search for new Lorentz controllers within

reach. If required, the Commander can

be congured to only connect to specic

pump controllers via the LORENTZ

Assistant app.

The PS Commander must be mounted vertically to a

wall or a pole using appropriate xings.

Mounting hole distances (Width x Height, Hole

Diameter):

Product Dimensions

PS Commander 270x150, Ø6mm

[10,63x5,9 Ø0,236in

Place the PV-Module holder at least 10cm (3.95 in)

above the PS Commander. The holes in the wall, for

the PV module holder, have to be 330mm (13.0 in)

away from each other. Use M8 screws.

4.4 Placement of the PS Commander

The Commander must be placed near to the pump

controller. The maximum Bluetooth range is up to

10m but depends on the surrounding conditions.

For example; walls, shelters or other signals may

weaken the signal strength. Keep the PV module free

of shadow and with a South (Northern Hemisphere)

or North (Southern Hemisphere) orientation. The PV

module must be kept clean from dirt and snow.

It is recommended to complete the wiring, SIM card

installation, battery installation and an established

pump connection before nally mounting the PS

Commander to a wall. See the Start-up section for

more information.

Figure 2: Mounting of the brackets

EN EN

10 Troubleshooting Troubleshooting 11

if the circumstances require, test the PS

Commander in an area with a known good signal

(within 1km of a radio mast)

the PS Commander is not installed in a location

where the signal will be impaired. Signal strength

will be reduced by walls, metal objects, obstacles,

being too distant from each other, interfering

signal, etc.)

if the circumstances require, test the PS

Commander in an open area directed to the radio

mast

the antenna cable is not broken

The PS commander will try to nd a network until it

is connected. If it does not nd a network there is a

risk of emptying the battery.

6.3 No connection to LORENTZ server

If the PS Commander is not able to establish a

connection to the LORENTZ server contact your

distributor for further information.

6.2 No connection to telecommunication

network

If the PS Commander does not connect to the

telecommunication network check that:

a supported network is available (19-001900/19-

001880: 2G/3G; 19-001860/19-001870: 2G/4G

(LTE-M1 or LTE-NB)

the SIM card is well seated

you are using the SIM card supplied by LORENTZ,

the PS Commander will not work with any other

SIM cards

the antenna cable is screwed tightly to the

terminal

there is a mobile phone signal at the site

the monitoring service for the system was started

in partnerNET Sites

a NOTE: You could use your smartphone

to roughly ascertain the signal strength

at the installation site.

6.4 Low Voltage Disconnect

The Low Voltage Disconnect (LVD) activates if the

battery`s voltage drops below a set amount of volts.

The Commander goes into a software LVD state at

11.9 volts and a hardware LVD at 11.8 volts. The LVD

is a protective feature to safe the battery from deep

discharge. During LVD there is no Bluetooth or 2G /

3G connection possible.

The PS Commander returns to normal mode after

the battery recovers to 12.2 volts. The voltage is

checked once per minute.

6.5 SIM card

To insert the SIM card into the 2G/3G terminal make

sure that the SIM card's contacts are facing left and

that the cut-o corner is pointing upwards as the

bottom gure shows.

Figure 3: Insert SIM card

The SIM card must “click” in and should be ush with

the outer case (of the terminal). Use a pen or small

screw driver to gently push it in (not much pressure

needed).

To remove the SIM card push the card in slightly

to release the lock and the card will be pop out

automatically. You can remove now the SIM card. Do

not pull the card while it is locked in the terminal.

Sun.Water. Life.

www.lorentz.de

v220729

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