Studer SI Series User guide

STUDER INNOTEC SI
User manual SI V3.0 E
Sinewave inverter
SI SERIES
User's and Installer's Handbook
STUDER INNOTEC
Rue des Casernes 57
CH-1950 Sion
Tel : ++41 (0)27 205 60 80
Fax: ++41 (0)27 205 60 88
[email protected]
www.studer-innotec.com

STUDER INNOTEC SI
User manual SI V3.0 E 2
Summary
INTRODUCTION................................................................................................................................3
NOTE.....................................................................................................................................................3
APPLICATIONS AND PERFORMANCE........................................................................................3
PRODUCT PRESENTATION............................................................................................................3
ASSEMBLY..........................................................................................................................................4
LOCATION...........................................................................................................................................4
FITTING...............................................................................................................................................4
CONNECTION.....................................................................................................................................4
USE........................................................................................................................................................ 4
REMOTE CONTROL ..............................................................................................................................4
Standby Level (1) ...........................................................................................................................5
Adjustment procedure....................................................................................................................5
CONTROL............................................................................................................................................5
INDICATORS ........................................................................................................................................5
Green Run - LED (3) .....................................................................................................................5
Red Fault - LED (2)....................................................................................................................... 5
SAFETY................................................................................................................................................5
INTERNAL FUSE................................................................................................................................5
OPTIONS:.............................................................................................................................................6
ALARM CONTACT................................................................................................................................6
SOLAR CHARGE CONTROLLER .............................................................................................................6
LED “ Charging ” (11) :...............................................................................................................6
LED “ Bat. 100% ” (10) :.............................................................................................................. 6
MAINTENANCE..................................................................................................................................6
LEGISLATION....................................................................................................................................6
LIMITATION OF LIABILITY ..........................................................................................................6
CE- DECLARATION OF CONFORMITY.......................................................................................6
DESCRIPTION AND WIRING DIAGRAM.....................................................................................7
WIRING DIAGRAM FOR SI 600 - 800 S (SOLAR CHARGE REGULATOR) ...........................8
SI PERFORMANCE.....................................................................ERREUR ! SIGNET NON DEFINI.
TECHNICAL DATA.......................................................................................................................... 10

STUDER INNOTEC SI
User manual SI V3.0 E 3
Introduction
The SI sinewave inverters have been designed
to meet industrial and domestic needs. They
satisfy the highest demands of comfort, safety
and reliability.
Any device designed for the public electrical
network of 230V / 50 Hz can be connected to
them.
The SI inverters are the perfect solution as
sources of tension in any place where the public
network is not available.
Read the connection instructions thoroughly and
give them to the technician who is to install the
inverter so as to prevent any malfunction. Thus
you will have a modern and reliable installation
which meets requirements.
Should you have any doubt or question, do not
hesitate to contact your specialist salesperson
who will give you the best advice.
Note
A deficient assembly could damage the device,
cause function failures or potential damage to
the users.
The working device generates a high tension
which might be fatal in case of contact. So, any
manipulation of the inverter must be carried out
with utmost care. The following points must be
strictly observed :
The installation of the "SI" can only be
performed by a qualified technician.
In case of malfunction, only a technician
specially designated and trained by STUDER
INNOTEC is allowed to repair the device.
Warning :
Opening the inverters or using them
incorrectly will result in the immediate
loss of the warranty.
No current or tension generating devices (public
network, generator, ...) may be connected to
the output of the inverter because this could
result in its destruction.
As for the usage of batteries, follow the
manufacturer’s instructions.
Important :
After disconnecting the battery, the output
tension (230V) may still remain for 30
seconds.
The ventilation of the device should never be
obstructed. Should the device be installed in an
enclosed structure, make sure that ventilation is
possible and adequate.
The installation and assembly of the device
must follow the rules stipulated.
This document is an essential part of the
inverter and must always be carried with it and
be at the disposition of anyone working on the
installation.
Applications and Performance
As well as its modern design and its technical
characteristics, the SI inverter is also easy and
economical to use in almost all applications.
All devices working within the public electrical
network (230V - 50Hz) may be used with the
inverter (up to its nominal power).
The inverter generates a perfectly sinusoid
output tension, precisely adjusted by a high
technology regulation system.
Thus, the output tension is totally independent of
the charge and the fluctuation of tension in the
battery.
All inverters in the SI series are protected
against overloading and short circuits.
Due to obvious safety reasons, the inverter is
not automatically reactivated after a failure
(overload, short circuit,…).
Product presentation
The inverters of the SI series are presented fully
equipped, with battery cables, 230V cable and
the user's handbook.

STUDER INNOTEC SI
User manual SI V3.0 E 4
Assembly
Location
The place where the
inverter is to be
mounted should
meet the following
requirements :
Out of reach of non
authorised persons.
In a dry place with
no condensation.
No inflammable
material in the same
room.
Not directly on top of
the batteries.
Adequate
ventilation. Keep
min. 10 cm distance
to other object
(except mounting
side)
Warning :
The casing of the inverter may reach high
temperatures (80 C°)
Fitting
The inverter has been designed to be used in a
vertical position and against the wall. The
inverter is fitted using the four external holes (∅
5,5 mm).
The fitting screws are not supplied with the
inverter.
Should the inverter be mounted on a flat
surface, the maximum continuous power of the
inverter may be slightly reduced.
Connection
Check the switch (4) is in “ OFF ” position.
First connect the 230V outlet (6) to the user
device, so as to prevent any possible accidental
contact.
Check the tension and polarity of the
battery !
The tension of the battery should coincide with
that mentioned in the technical characteristics of
the inverter.
Battery connection :
This connection should done be very
carefully observing the polarity in order not
to damage the device.
Check that the connections are fixed correctly.
Use
After connecting the inverter, make sure the
user devices are correctly plugged in and that
there is no possible contact between the “ Line
OUT ” (6) and a person.
The working device generates high tensions
which could be fatal !
The inverter can be activated by moving the
switch to the “ Auto ” position. The “ on ”
indicator -green LED -(3) is illuminated.
SI xxxx model : If no user device is connected,
the LED blinks after some seconds, which
indicates that the “ standby ” mode has started.
If a user device is plugged in, the green LED
remains illuminated, indicating the uninterrupted
presence of 230V in the outlet. If you wish to
deactivate the standby mode, put the switch in
“ Lock ” position. The inverter will be then
working continuously.
SI xxxxTP model (Twinpower option) : The
green LED remains illuminated indicating the
uninterrupted presence of 230V in the outlet.
The “ Lock ” function deactivates the economical
mode.
Warning :
With the “lock” mode, the no load
consumption of the inverter is 15 to 20
times greater !
Remote control
The inverter can be controlled remotely with a
switch (bi-stable) connected to the “Faston ”
(5) connector on the under side of the device.
The main switch (4) has priority over the
working mode of the device. If the remote
switch is close, the inverter is out of use.

STUDER INNOTEC SI
User manual SI V3.0 E 5
Adjustments
(Not automatic with Twinpower version)
Standby Level (1)
The activation of the inverter, when working in
automatic mode, is dictated by the detection of a
load. With this function, it is possible to adjust
the minimum load detected between 0,3 and 20
Watts. This level is factory adjusted to 2
watts and so no further adjustment will
probably be needed.
Adjustment procedure
Make sure that no device is connected.
Check for the presence of hidden users such as
television, fax, video, … which often have a
standby mode and remain working even after
being turned off !
Put the switch in “ Autom. ” position.
Introduce a screw driver N°1 delicately in the
hole (1) provided and turn gently until you feel
the screw driver insert in the groove of the
screw.
Turn clockwise until tight without pressing
(do not force!).
Wait until the green LED blinks.
Activate the minimum charge you wish to detect.
Turn the screw slowly anti-clockwise
without pressing until the inverter activates.
(green LED illuminated).
Check that the inverter goes back to standby
mode a couple of seconds after deactivation of
all charges.
Warning : In maximum anti-clockwise position
the inverter continues to work even if there is no
load.
Control
The tension of the batteries is submitted to
control. During their use, the tension must be
between the following ranges :
11.4 V and 16 V in the 12 Volt models,
22.8 V and 32 V in the 24 Volt models,
45.6 V and 61 V in the 48 Volt models.
Outside these ranges the inverter is
automatically disconnected.
These values correspond to a no load situation
and they are automatically adjusted according to
the current of the battery.
The internal temperature and the maximum
power are also submitted to control.
In the case of prolonged overload or deficient
ventilation it is not possible to restart the inverter
until it has cooled down.
Indicators
Green Run - LED (3)
Illuminated: the inverter is connected. A 230 V
tension is present in the outlet.
Blinking : (only SI version) The inverter is in
“ Autom. ” mode and no voltage is detected by
the standby system.
A 230 V tension is intermittently present!
Red Fault - LED (2)
The inverter is stopped :
The tension of the battery is not correct
After an overload, overheating or short circuit
To restart the inverter after a failure, put the
switch (4) in “ OFF ” position for 10 seconds,
then connect again.
Safety
The inverter is internally protected against
overloads and short circuits. Should this
protection fail, the inverter is equipped with a
fuse (fire protection). If the fuse is broken,
qualified technicians should control the
installation and change the fuse.
Internal fuse
Fuse Inverter SI (mod.)
40A 648
50A 624 - 1248
60A 824 – 1448
80A 612 – 2348 - 2360
100A 812 – 1224 – 3548 - 3060
2*100A 1212 – 1624 – 2324
2*125A 3324
The use of higher fuse value will not improve the
performance of the inverter and will degrade
safety protection !

STUDER INNOTEC SI
User manual SI V3.0 E 6
Options:
Alarm contact
A contact with no potential (0,5A - 60V) is
available (12). It warns the user (alarm or control
system) when the inverter has been stopped
due to a failure or is out of use. It is closed when
the inverter is working.
Solar charge controller
This controller has been designed to charge the
batteries with solar installation only. The
maximum no load tension of the solar
installation should be of 23V for the 12V
applications and of 46V for the 24V applications.
The max. DC current is 16A and should never
be exceeded (20A / 1min.). The mode of
adjustment is of the I/U + "floating" type and
assures optimal charging conditions for the life
of the battery.
LED “ Charging ” (11) :
It is illuminated when the solar module provides
current to charge or maintain the battery.
LED “ Bat. 100% ” (10) :
It is illuminated when the battery has reached its
max. tension (14,4V or 28,8V). It goes off when
the tension is above 13V (26V).
Maintenance
The SI inverters do not need any special
maintenance. The casing may be cleaned with a
damp cloth (not wet).
In the case of malfunction, the inverter should
be sent to the salesperson for control.
Legislation
In all cases the assembly and installation must
be done by qualified technicians, observing the
national requirements and rules stipulated. You
will find complete information about this in the
relevant institutions.
Limitation of liability
STUDER INNOTEC cannot control the
installation, use and maintenance of the inverter.
Thus, we are not responsible for damages,
costs or losses resulting from an installation
which is not in accordance with the
regulations or inappropriate use or
maintenance.
The customer is always responsible for
the use of the inverters STUDER
INNOTEC.
This device has not been designed and
is not warranted for use in life support
apparatus or any other critical apparatus
with potential risks of serious harm to
people or to the environment.
We do not accept any responsibility for any
violation of patent rights or other third person
rights resulting from the use of the inverter.
STUDER INNOTEC reserves the right to modify
their products without previous notice.
CE- declaration of conformity
I declare under that products mentioned on page 11 of this manual are in conformity with the following
standards or standardisation documents :
EN 61000-6-1, EN 61000-6-3, EN 55014, EN 55022,
EN 61000-3-2, Dir. 89/336/EEC, LVD 73/23/EEC
Sion : June 19th, 1999
Charging diagram
Roland Studer
Studer Innotec

STUDER INNOTEC SI
User manual SI V3.0 E 7
Description and wiring diagram

STUDER INNOTEC SI
User manual SI V3.0 E
Wiring diagram for SI 600 - 800 S (Solar charge regulator)

STUDER INNOTEC SI
User manual SI V3.0 E 9
Option SI performance 3-phased
Three SI inverters can be connected together to
build a 3-phased grid. They have to be equipped
with the PE option.
Working
Two ways of working are possible with the SI
performance :
1) Working alone
One SI inverter can be used alone. The inverter
works then as a single one, like it is described in
this manual.
2) Working in a grid
Thanks to the connecting cable, three inverters
can be connected together in order to obtain a
3*400V 3-phased grid.
Connecting
1) Check that the inverters are in OFF position.
2) First link together the neutral of all 3 devices
by taking care that this connecting point be not
further than 1 m from each inverter.
3) Link together the battery cables (take care to
not reverse the polarity). The 3 inverters have to
be connected together to only one battery bank.
Commissioning
At the time of commissioning it is necessary to
operate all the 3 inverters. The inverters work
independently from each other and can be
loaded in an asymmetrical way. They can work
either in stand-by mode or in ON mode (see
working description in this manual.

STUDER INNOTEC SI
User manual SI V3.0 E 10
Technical data
Model SI
612
624
648
812
824 1212 1224
1248
1624
2324 2348
3324
3548
Input voltage (Unom) [V] 12/24/48 12/24 12/24/48 24 24V/48 24 48
Nominal power [W] 600 800 1200 1600 2300 3300 3500
« Standby » current [mA]
Power « ON » no load [W] 25/21/10 2.6 25/21 2.8 25/21/12 4.8 21 5.8 25/17 9 25 13 30 17
Power « ON » no load [W]
TWINPOWER system -------- ------- < 0.5 < 0.5 < 0.6 < 0.7 < 0.8
Maximum efficiency [%] 91 92 93 - 95 93 - 95 95 95 95
Length L x 124 (H) x 215 (W) [mm] 276 276 391 391 591 636 791
Weight [kg] 6.9 10.4 13.2 15.2 27 30 38
Input voltage Min. - Max.: <Unom x 0.95 to Unom x 1.33
Dynamic correction of Umin. - 10% at Pnom
Output voltage True sine 230 Vac ±3%
Distortion < 2% (at Pnom)
Dynamic behaviour From 0% to 100% load change. Normalization: 0.5 ms
Frequency 50 Hz ±0.01% (Crystal control)
Charge detection (standby) Adjustable: 0.3 →20 W
Maximum power 15 min 1.3 – 1.6 x Pnom / 25°C
Maximum power 3 min 1.6 – 2 x Pnom / 25°C
Peak power 5s 3.5 x Pnom
Asymmetric load Up to 2 x Pnom
Cos ϕ0.1 – 1
Protections Overload/Overheat/Short-circuit/Reverse polarity by internal fuse
IP protection index IP 20 complies with DIN 40050/IP 23 with top cover
Forced ventilation From 45°C ±3°C
Overheating protection 75°C ±3°C
Required battery capacity >5x Pnom/Unom (recommended value)
Acoustic level Without ventilation: <10 dB With ventilation:<35 dB
EEC conformity EN 61000-6-1, EN 61000-6-3, EN 55014, EN 55022, EN 61000-3-2,
Dir. 89/336/EEC, LVD 73/23/EEC
Other specifications on request (Ex: 115V/60Hz).
These data are for information only and may change without notice.
Options
3-phased system (per unit) from SI 1200 SIxxxxPE
TwinPower system from SI 1200 SIxxxxTP
Top cover IP 23 C-IP23
Potential free alarm contact (60V/0.5A) for all models SIxxxxA
Solar charge controller 16A/12-24V for SI 600 and SI 800 SIxxxS
Industrial casing in 19’’ rack – 3U x 400 mm from SI 1200 SIxxxxIND
SI in industrial casing 19’’ rack