STUDER VarioString VS-70 MPPT Solar Charge Controllers User Guide

June 9, 2024
STUDER

STUDER VarioString VS-70 MPPT Solar Charge Controllers User Guide
STUDER VarioString VS-70 MPPT Solar Charge
Controllers

Introduction

Congratulations!
You are about to install and use a high-end equipment that will play a central role in the energy management of your battery-based system. The variostring (vs) is a solar MPPT charge controller. When connected to a battery and photovoltaic panels the vs will recharge the battery in an optimum way. This vs has been designed, manufactured, assembled and tested in our factory in Switzerland. It has a 5-year warranty and is eligible for an extension 5+5.

General Information

Exclusion of liability
Studer disclaims all responsibility and liability for damage, costs or losses resulting from an installation that does not comply with the instructions, a faulty operation or inadequate maintenance. The use of studer equipment is in any case under the responsibility of the customer.

Read carefully the safety and operation instructions / Installation must be entrusted to qualified personnel / Check the user manual online / Need help?

Compatible with:

Compatible with:

Mounting and installation

Mounting and installation

Mounting place
The batteries should only be installed by qualified personnel.

Symbols

Fixing and dimensions

Fixing and dimensions
Fixing and dimensions

Wiring

Wiring

Communication

  • 2x RJ 45 black flat cable : rcc 02/03 / multi-units : xtender, vt, vs, bsp, xcom
  • 1x RJ 11 black flat cable for accessories : bts 01, arm 02

Earthing

  • 16mm2 cable
  • The solar generator must be class II isolated

PV connection

  • 2.5-6mm2 cable, Sunclix connector

Protection device (PV side)

  • Switching device, max solar current 13A
  • Overvoltage protection, SPD (600Vdc)

Serial connection (chain or string), up to 600V

Battery connection
25mm2 cable M6, 5Nm Protection device (battery side) 80A

Multi units and power up

Multi units and power up

Display system

Display system

Configuring the variostring

DIP switches

Lead-acid

  • Configure charge profile according to manufacturer

Lithium (comm BMS, xcom CAN)

  • Check compatibility list and xcom CAN manual

Others: NiCd, NiFe, Redox flow, saltwater, etc.

  • Check battery manufacturer

Setting Overview

Technical data

Technical data

PV input voltage 100-600V
PV max current 13A
PV recommended power 4200W

Batt nominal voltage 48V
Batt charge current 70A
Batt min-max voltage 38-68V

 Maintenance and recycling

Except for the periodic check of the connections (tightening, general condition), the variostring does not require any particular maintenance. To dispose of this product, please use the service for the collection of electrical waste and observe all obligations in force in the place of purchase.

Serial Number:……………………….
Installed by :…………………………
Date :………………………………..
Signature…………………………….

Call our specialists +41 27 205 60 80 or visit studer- innotec.com/support

Studer Innotec SA
rue des Casernes 57
1950 Sion, Switzerland
info@studer-innotec.com

Symbols Overview

References

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>

Related Manuals