Lorentz PS21k User Manual

v140822
Sun. Water. Life.
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.
1
PSk
Solar Pump Systems
Manual for Installation, Operation, Service

Lorentz PS21k Specifications

General

Model	PS21k
Category	Water Pump
Power Source	Solar
Max Flow Rate	21 m³/h
Motor Type	Brushless DC
Protection	IP68

Summary

Safety Instruction

General Warnings

Installation and Wiring

Wiring

Diagram and table for connecting DC input, AC output, sensors, and grounding.

DC Disconnect switch

External Sockets

Recommended Wire Sizes

Connecting the Well Probe

Grounding

Importance and methods of grounding for electrical shock protection and lightning protection.

Operation

Panel Layout and Instruction

View or modify the control parameters

Parameter Setup Table

Table of parameters, ranges, descriptions, and factory values for system configuration.

Setup before First Operation

Guide for initial setup: switching on, setting parameters, date/time, PV modules, and water level sensors.

Fault Diagnosis

Fault Code Description and Countermeasure

Lists error codes, their causes, and recommended actions for troubleshooting.

Description for Other Codes

Details additional error codes for parameter initialization, controller type, and sensor abnormalities.

Fault Inquiry and Reset

How to record, search fault history, and reset the controller after an error.

Service and Maintenance

Routine Inspection and Maintenance

Guidelines for periodic inspection and maintenance to ensure controller stability and performance.

Replacement of Wear Parts