STUDER VarioString VS-70 MPPT Solar Charge Controllers User Guide
- June 9, 2024
- STUDER
Table of Contents
STUDER VarioString VS-70 MPPT Solar Charge Controllers User Guide
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:
Mounting and installation
Mounting place
The batteries should only be installed by qualified personnel.
Fixing and dimensions
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
Display system
Configuring the variostring
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
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
