Studer COMPACT C 1600-12 Use and care manual

STUDER INNOTEC TEL : ++41 (0)27 205 60 80
Rue des Casernes 57 FAX : ++41 (0)27 205 60 88
CH – 1950 Sion E-MAIL : [email protected]
User’s and installer’s Manual
Sine wave Inverter, Battery charger, Transfersystem
Betriebs- und Montageanleitung
Kombigerät mit Sinuswechselrichter Batterielader, Transferschaltung
Manuel d’utilisation et de montage
Onduleur, Chargeur de batterie, Système de transfert
COMPACT - C 1600-12
COMPACT - C 2600-24
COMPACT - C 4000-48
Temperature sensor, Temperatursonde, Sonde de temperature CT-35
Remote control, Fernsteuerung, Télécommande RCC-01
Solar charge regulator, Solarladeregler, Régulateur solaire Cxxxx-S
Remote control, Fernsteuerung, Télécommande - Power sharing RPS-01
AC cable cover, Kabeleinführung, Capot câble AC CFC-01
IP-23 top cover, Abdeckung, Capot C-IP23

STUDER Innotec COMPACT
COMPACT V6.4 2/85
English description..................................................................................................................5
1General Information.........................................................................................5
1.1 Operating instructions........................................................................................5
1.2 Quality and Warranty.........................................................................................5
1.3 Warranty Disclaimer...........................................................................................5
1.4 Liability Disclaimer..............................................................................................6
1.5 Warning................................................................................................................6
1.6 Special precautions............................................................................................6
2Introduction........................................................................................................7
2.1 Principle schematic ............................................................................................7
2.2 Description of the main functions.....................................................................8
2.3 Battery connecting..............................................................................................9
3Mounting and installing................................................................................10
3.1 Installation place...............................................................................................10
3.2 Fixing.................................................................................................................. 10
3.3 Connections.......................................................................................................11
3.4 Connection Plan................................................................................................12
3.5 Cabling...............................................................................................................13
3.6 Pre-installation settings....................................................................................13
4Control...............................................................................................................15
4.1 Display and control parameters......................................................................15
4.2 Light Emitting Diodes (LED)............................................................................16
4.3 Push buttons......................................................................................................17
4.4 Turning Knobs................................................................................................... 17
4.5 The Inverter.......................................................................................................17
4.6 The battery charger..........................................................................................19
4.7 The Transfer system........................................................................................21
4.8 The Solar charge controller (option)..............................................................22
4.9 The Multifunctional Contact ............................................................................ 23
4.10 The Remote Control RCC-01.........................................................................23
4.11 The Temperature sensor CT-35.....................................................................24
4.12 Remote control for „Power Sharing“ RPS-01...............................................24
5Programming...................................................................................................25
5.1 Standard setting................................................................................................25
5.2 Reset value (default settings)......................................................................... 25
5.3 Battery voltages and absorption time............................................................25
5.4 Auxiliary contact................................................................................................26
5.5 Disabling some of the COMPACT functions................................................ 28
6Installation Maintenance ..............................................................................29
7Declaration of CE Compliance....................................................................29
8Technical Data.................................................................................................30

STUDER Innotec COMPACT
COMPACT V6.4 3/85
Deutsche Beschreibung .......................................................................................................31
1Allgemeine Informationen............................................................................31
1.1 Zu dieser Bedienungsanleitung......................................................................31
1.2 Qualität und Garantie.......................................................................................31
1.3 Garantieausschluss..........................................................................................31
1.4 Haftungsausschluss.........................................................................................32
1.5 Warnungen........................................................................................................32
1.6 Besondere Schutzmassnahmen....................................................................33
2Einführung........................................................................................................33
2.1 Prinzip Schema................................................................................................. 34
2.2 Beschreibung der Hauptfunktionen...............................................................34
2.3 Batterie Verschaltungen..................................................................................35
3Montage und Installation.............................................................................. 37
3.1 Ort der Montage................................................................................................37
3.2 Befestigung........................................................................................................37
3.3 Anschluss...........................................................................................................37
3.4 Anschlussplan / Frontseite..............................................................................38
3.5 Verdrahtung.......................................................................................................39
3.6 Voreinstellungen...............................................................................................39
4Bedienung........................................................................................................41
4.1 Anzeigen und Bedienelemente ......................................................................41
4.2 Leuchtdioden (LED).........................................................................................42
4.3 Tasten.................................................................................................................43
4.4 Drehknöpfe........................................................................................................ 43
4.5 Der Wechselrichter...........................................................................................43
4.6 Der Batterielader...............................................................................................44
4.7 Der Umschaltautomat (Transferschalter)......................................................47
4.8 Der Solarladeregler (Option)...........................................................................49
4.9 Der Multifunktionskontakt................................................................................49
4.10 Die Fernsteuerung RCC-01............................................................................50
4.11 Die Temperatursonde CT-35..........................................................................50
4.12 Fernsteuerung für die autom. Leistungsaufteilung „Power Sharing“ RPS-
01 ........................................................................................................................51
5Programmierung.............................................................................................51
5.1 Standardeinstellungen.....................................................................................51
5.2 Zurücksetzen der Programmierung (Standardeinstellung)........................51
5.3 Batteriespannungen und Absorptionsdauer.................................................52
5.4 Hilfskontakt........................................................................................................ 53
5.5 Sperren von Funktionen..................................................................................55
6Wartung.............................................................................................................56
7Konformitätserklärung CE...........................................................................56
8Technische Daten...........................................................................................57

STUDER Innotec COMPACT
COMPACT V6.4 4/85
Instructions en français.........................................................................................................58
1Informations générales.................................................................................58
1.1 Manuel d’utilisation...........................................................................................58
1.2 Qualité et garantie............................................................................................58
1.3 Exclusion de garantie.......................................................................................58
1.4 Exclusion de la responsabilité........................................................................59
1.5 Avertissements..................................................................................................59
1.6 Mesures de protection particulière.................................................................59
2Introduction......................................................................................................61
2.1 Schéma de principe..........................................................................................61
2.2 Description des fonctions principales............................................................61
2.3 Câblage de la batterie...................................................................................... 62
3Montage et installation..................................................................................64
3.1 Lieu de montage...............................................................................................64
3.2 Fixation............................................................................................................... 64
3.3 Raccordements................................................................................................. 64
3.4 Coffret de raccordement..................................................................................66
3.5 Câblage..............................................................................................................67
3.6 Préparation au câblage....................................................................................67
4Commande.......................................................................................................69
4.1 Affichage et éléments de commande............................................................69
4.2 Indicateurs lumineux (LED).............................................................................70
4.3 Touches..............................................................................................................71
4.4 Bouton de réglage rotatif.................................................................................71
4.5 L’onduleur.......................................................................................................... 71
4.6 Le Chargeur de batterie...................................................................................72
4.7 Le relais de transfert ........................................................................................ 75
4.8 Le régulateur de charge solaire (option).......................................................76
4.9 Le contact auxiliaire multifonction..................................................................77
4.10 La télécommande RCC-01..............................................................................78
4.11 La sonde de température CT-35....................................................................78
4.12 La télécommande du répartiteur de courant à distance RPS-01..............79
5Programmation ...............................................................................................79
5.1 Valeurs de programmation standard............................................................. 79
5.2 Retour aux valeurs d’usine..............................................................................79
5.3 Tensions de batterie et temps d'absorption ................................................. 80
5.4 Contact auxiliaire..............................................................................................81
5.5 Verrouillage des modes de fonctionnement.................................................83
6Entretien de l’installation.............................................................................84
7Déclaration de conformité CE.....................................................................84
8Données techniques......................................................................................85

STUDER Innotec COMPACT
COMPACT V6.4 5/85
English description
1 General Information
1.1 Operating instructions
This manual is part of the delivery package of every COMPACT inverter-charger. It
serves as guidelines for safe and efficient operation of COMPACT. The instructions
are only valid for use with the following devices and options:
COMPACT C 1600-12
COMPACT C 2600-24
COMPACT C 4000-48
Temperature sensor CT-35 AC cable cover CFC-01
Remote Control RCC-01 IP23 cover C-IP23
Power sharing remote control RPS-01 Solar charge controller CxxxxS
Every person who installs a COMPACT and/or works with it must be fully familiar with
the content of this manual and must follow exactly all the warning and safety
instructions. Installation of or any work on the COMPACT must be carried out by a
skilled and trained personnel. Installation and application must comply with the
respective local installations codes and safety regulations.
1.2 Quality and Warranty
During production and assembling, all COMPACT appliances go through many
controls and tests. Production, controls and tests are carried out in accordance with
firm and established procedures. Every COMPACT has its own serial number, which
helps to refer back to its original data in the event of controls or repairs. That is why
you should never remove the identification plate showing the serial number. The
production assembly and tests on all COMPACT appliances are totally carried out in
our company in Sion, Switzerland. The warranty for these appliances is valid for uses
and operating possibilities mentioned in this manual.
The warranty period for the COMPACT is 2 years.
1.3 Warranty Disclaimer
We do not accept any liability for any damages occurring through use, manipulation,
working situation and handling, which are not explicitly mentioned in these operating
instructions.
Following cases are not covered by the warranty:
−High voltage at INPUT (i.e. 48V at the Battery INPUT of COMPACT 1600-12)
−Reverse polarity on Battery connections (+/- reversed)
−Running liquid or oxidation through condensation in the appliance
−Defects caused by force, physical or mechanical means
−Changes not explicitly authorized by STUDER INNOTEC
−Not or only partly tightened screws and nuts after change of fuses or cables
connecting
−Transport damage, i.e. through bad handling and /or packing
−Damage from atmospheric over voltage (lightning)

STUDER Innotec COMPACT
COMPACT V6.4 6/85
1.4 Liability Disclaimer
Respecting this manual, servicing and method of installation, functioning, application
and maintenance of the appliance can not be controlled or supervised by STUDER
INNOTEC. Hence we do not accept any liability and responsibility for damages,
losses and costs which result through the use of this appliance or which result
through incorrect installation, incorrect operation or wrong application and
maintenance, or which by some other means maybe connected to each other.
The use of STUDER INNOTEC’s inverters does exclusively involve the user’s
liability.
This device is not designed for applications involving health care and medical
treatments where the patient life is concerned and where any mishap may be lethal.
Similarly, we do not accept any liability for any violation of the patents rights or
violation of any third party’s rights resulting from the use of this appliance
STUDER INNOTEC reserves the right to modify the technical data or these operating
instructions without any prior notice.
1.5 Warning
This manual must be readily available for the user at any time. The user must be
familiar with the precautions and safety aspects in the country of installation.
During operation of COMPACT, high voltages are generated at the connections and
inside of the appliance which could be lethal. Work on the appliance and on the
installation should only be carried out by skilled and trained people.
The whole installation connected with the COMPACT must comply with the rules and
codes in force.
People without the written authorization from STUDER INNOTEC are strictly
forbidden to carry out any change or repair on the appliances. For authorized
changes only original parts are to be used.
The COMPACT may only be used when it has been installed in accordance with
these instructions and all parts have been correctly assembled and installed.
The COMPACT may only be connected to lead-acid or lead-gel batteries.
Caution: Even when a COMPACT has been disconnected from all connections,
at the OUTPUT point there could still be deadly voltages present. To remove
these voltages you must switch on the COMPACT ON with the ON/OFF switch.
After one minute the electronics are discharged and any work can now be
safely carried out.
The COMPACT is only suitable for internal use and under no circumstances should it
be subjected to snow, rain, or any other wet conditions.
By installations in motorized vehicles the COMPACT must be protected from water-
spray and any other wet conditions.
Caution: In normal use lead-acid and lead-gel batteries give out explosive
gases. Never smoke or allow a spark or flame in the vicinity of batteries. The
batteries must always be stored or placed in a well ventilated room, they
should be placed in such a way that there is no danger of short-circuit through
carelessness. Never charge frozen batteries.
1.6 Special precautions
−While working on batteries there should always be a second person close to you
or within your voice range, in case help is needed.

STUDER Innotec COMPACT
COMPACT V6.4 7/85
−Plenty of fresh water and soap must be ready at hand so that in case of acid
coming in contact with skin, eyes and clothes, the areas in question can be
thoroughly washed.
−If acid enters the eyes, you must thoroughly wash them with cold running water
for at least 15 minutes. It is recommended that you immediately consult a
medical doctor.
−Baking powder neutralizes battery acid electrolyte. Always keep some at hand.
−Special care must be taken when working with metal tools near or on the
batteries. With tools such as screwdrivers, spanners etc. short-circuits can
result. Sparks produced by the short circuit can cause an explosion.
−When working on batteries all personal metal items such as rings, necklaces
and bracelets must be removed. Batteries are so powerful that short-circuit with
these items can melt them and thus cause severe burns. Always follow the
battery manufacturer instructions.
−Under certain conditions COMPACT or a connected generator can start
automatically. While working on an electrical installation you must ensure that
these appliances are disconnected beforehand from the installation.
2 Introduction
The COMPACT is a sine wave inverter with integrated battery charger with many
additional functions, it has been developed to be used as stand-alone (no grid-
feeding) AC provider, or as continuous / break-free current supply provider (UPS).
2.1 Principle schematic

STUDER Innotec COMPACT
COMPACT V6.4 8/85
Notes:
(1) The neutral of the appliance is not connected to the earth whatever the
function mode is. If requested and according to the local regulation, an automatic
connection between Neutral and earth in inverter mode only may be done by
installing a bridge internally to the unit. Please contact your installer regarding this
point.
(2) Remote control for remote adjustment of the input limit. (see chap. 4.6.3)
2.2 Description of the main functions
2.2.1 The inverter
The sine wave inverter COMPACT generates a sinusoidal AC voltage with an
exceptionally precise voltage and stabilized frequency. In order to start large electric
motors, the user has the possibility to use a short surge power which is 3 times the
nominal power of the COMPACT.
The inverter is protected against overload and short circuit. A power stage with the
latest MOS-FET power transistors, a toroidal transformer, and a fast regulating
system makes a robust and reliable inverter with the highest efficiency. A 1-20 Watt
adjustable charge detection system allows the smallest energy consumption and
ensures a long life for the battery.
2.2.2 The transfer system
COMPACT can be connected to an AC source. For example a stand-by emergency
generator or the AC network. With the transfer system, on one side you have an
alternating voltage at the output for the use of consumer appliances. On the other
side the battery park is being charged. The distribution of energy between the
consumer appliances and battery charger is automatic.
2.2.3 The battery charger
The built-in battery charger is so designed that it can charge the battery quickly and
fully. A microprocessor controlled, Step charging process, ensures the optimal
charging of the battery. The desired charging current can be set continuously from 0
to 50/55 A, as per the model. The setting is made accordingly to the battery capacity
and power available.
The battery charger is designed for lead-acid and lead-gel batteries. Thanks to the
floating charge system the batteries can remain continuously connected.
2.2.4 The solar charge controller (optional)
With the built-in solar charge controller, the COMPACT is a complete solar-power-
center. In a solar installation this controller ensures that the batteries are charged
correctly. With the COMPACT, batteries can be charged with a generator and with
the solar modules at the same time. The charging of batteries with both energy
sources is carried out fully automatically.
2.2.5 Remote control
As an option, a remote control RCC-01 can be connected to COMPACT. All
operating features and displays, save the adjustment levels (22/23/24/26), are
available on the re-mote control. It is supplied with a 20m long cable. This cable can
be up to 40m long. On the remote control, output power and charging current are
also displayed.

STUDER Innotec COMPACT
COMPACT V6.4 9/85
2.2.6 Remote control for Power Sharing
This remote control RPS-01 can be connected to the COMPACT in the dedicated
plug. The maximum current available from the energy source can be adjusted by the
turning button.
2.3 Battery connecting
Lead-acid batteries are normally available in blocks of 2V, 6V or 12V. In most cases,
to generate the necessary operating voltage and the capacity of the batteries for the
COMPACT many batteries have to be connected together in parallel and or in series.
Here are 3 examples of connection:
2.3.1 Connection in parallel
2.3.2 Serial connection

STUDER Innotec COMPACT
COMPACT V6.4 10/85
2.3.3 Serial and parallel connection
3 Mounting and installing
3.1 Installation place
The location of the COMPACT must be driven by the following criteria:
−Protection from unauthorized handling
−Dry dust free room, no condensation
−Never install directly over the battery and never in a cabinet together with the
batteries
−Keep ventilation holes free
−In mobile installations it is important to keep the vibrations down as low as
possible
3.2 Fixing
3.2.1 Fixing the COMPACT
Basically the COMPACT can be installed in any
desired location. Preferred is that the appliance be
wall mounted with battery cables downwards. The
COMPACT must be fixed directlyon the a flat, non
flammable surface, with four screws through the four
holes (diameter 5.5mm) which are accessible from
the outside. In motor vehicles, the COMPACT must
be fixed on a flat plate itself fixed on vibrations
reducing elements. The COMPACT must not be
fixed on a combustible base, as the back of the
casing can get hot and reach up to 80 degree
Celsius.
3.2.2 Protection cover IP-23
This cover IP23 (Order ref. CIP-23) can be easily
installed after the fixation of the COMPACT. For
that release a little the too screws down and more
the tow up. Then it’s possible to pass the IP 23
cover between the COMPACT and the wall. The
cover must touch the screws. Lock on the four
screws, it’s ready.

STUDER Innotec COMPACT
COMPACT V6.4 11/85
3.3 Connections
3.3.1 General instructions on connecting
−The cable connection on the terminals AC INPUT / AC OUTPUT / 16A 230VAC
are carried out with a screwdriver Nr.1 and the connection on the SOLAR
terminal with a screwdriver Nr.2.
−The conductor cross section on the terminals AC INPUT / AC OUTPUT / 16A
230VAC of the connecting cable must be minimum 2.5mm2.
−All connecting cables and also the mounted battery cables, must be fixed with
strain relief clamps.
−The COMPACT is delivered with battery cables already connected.
−The battery cables must never be extended. If the extension is unavoidable then
the conductor cross section must be elevated accordingly.
−To protect the battery cable, a fuse corresponding to the conductor cross
section must be fixed directly on to the battery.
−All cables must be tightly screwed in place. For safety, a yearly control is
recommended. In mobile installations control must be carried out more often.
−Connecting must be done by qualified personnel. Material such as cable,
connectors and distribution boxes, fuses etc. used in the installation must
comply with the respective valid low-voltage installation rules and regulations.
3.3.2 Protection cover of the terminals connections
The protection is available as an option (Order ref.
CFC-01) to avoid accidental and hazardous contact
on the terminals 230Vac if the unit is mounted in a
non restricted access area.
It is delivered with strain relief clamps for the cable.

STUDER Innotec COMPACT
COMPACT V6.4 12/85
3.4 Connection Plan
A Battery +/- Battery cable (already installed)
B SOLAR +/- Connection terminal for Solar modules
C Remote contr. Connection terminal for Remote Control RCC-01
D Delayed transfer Slide switch to delay the opening of the transfer swich
E Equalize Slide switch for equalization of the Battery
F Temp. Connection terminal for Temperature sensor CT-35
G Aux. Contact Connection terminal for Auxiliary Contact
H AC Input Connection terminal for AC-input. Located directly
above this terminal is the automatic safety cut-out for
this terminal.
J ID Plate Identification plate with Technical data and Serial
number
K AC Output Connection terminal for AC-output
L Caution… Caution: Check Polarity (+/-) before connecting the
battery !
M Don’t… Do not open without disconnecting all terminals
N 16A Protection 16A Protection switch for the Transfer system
O Remote Power Sharing Input current repartition

STUDER Innotec COMPACT
COMPACT V6.4 13/85
3.5 Cabling
Connecting the COMPACT is a very important step of the installation. You must take
care that all connection work is carried out in a clean and correct way and that under
no circumstance a cable is connected to a wrong terminal.
Connecting of the COMPACT must be carried out in the following order. In case of
dismantling this order must be reversed.
3.6 Pre-installation settings
Before you start with the cabling of the COMPACT you must set the type of battery.
In case sealed-gel batteries are used then you must set the small slide-switch
„Equalize“ which is on the front with the connection terminals, in OFF position. In
case of „normal“ lead-acid – batteries, these can handle a higher equalizing charge,
the same slide switch can be set in ON position. In case of doubt leave the setting in
OFF position.
This will allow an equalizing cycle (higher end of charge voltage) during the next
charge process. Since then equalizing will occur every 25 usual cycles.
3.6.1 Connection to battery
Get the batteries ready for connection: Matching battery terminals, matching fuse on
a clamp. Prepare battery cables, if necessary press on cable tabs/shoes. Connect
red cable on Plus (+)-Pole and the black cable on the Minus (-) Pole. On connecting
the second cable to the battery pole a spark is produced, because for a short time
high current flows in the COMPACT to charge the capacitors. For this reason follow
strictly the safety measures described in this manual. Check if the red LED OFF (13)
is lit. If it is not lit, press shortly on the switch ON/OFF (19), now OFF should be lit.
On connecting the battery the COMPACT needs 1 – 2 Minutes to calculate the actual
capacity of the battery. During this time the battery condition is shown as 100%
charged. (LED 14 – 17 lit).
If the LED 12 Battery Low/High is lit, the battery charge is too low. If the LED 12
Battery Low/High is blinking, the battery charge is too high.
Caution: With a wrong battery voltage the COMPACT can be destroyed. (for
example: connecting a C 1600-12 to a 48V-Battery).
Nevertheless, if the COMPACT had been connected with reverse polarity, it is highly
probable that the fuse inside the casing is defect. Before opening the casing cover all
terminals must be disconnected including the battery. If the COMPACT does not
function after the changing of the fuse and correcting of the polarity, it means that it is
defect and must be sent for repair.
3.6.2 Connection to the 230Vac-consumer appliances (AC OUTPUT)
The 230V consumer appliances must be connected to the terminals AC OUTPUT
with cables which cross section has to follow the local rules in force (usually
2.5mm2). Connections are marked as follows “N“ Neutral, “PE“ Earth (connected to
the appliance case), “L“ Live.
Caution: High voltages can be there. Make sure that the COMPACT is turned off
(LED 13 lighting) before the connection.
3.6.3 Connection to the 230Vac Input (AC INPUT)
The 230V-supply from network or from a generator must be connected to the input
terminals AC INPUT with cables which cross section depends on the power source
(usually 2.5mm2). Connections are marked as follows: “N“ Neutral, “PE“ Earth
(connected to the appliance case), “L“ Live.

STUDER Innotec COMPACT
COMPACT V6.4 14/85
3.6.4 Connect the solar modules: SOLAR +/- (Only for solar option)
Solar modules are connected on these terminals. Under no circumstances should
any other energy source i.e. wind generator be connected to these terminals! Only
solar modules must be connected with two cables +/-. Depending on the power of the
modules, the cable cross section should be 2.5 up to 6mm2. Before connecting it is
necessary to check with a Voltmeter that the voltage of the Module meets the
following values:
C 1600-12 17-25V/30A, C 2600-24 34 – 45V/30A,C 4000-48 68 – 90V/20A.
3.6.5 Connection to Auxiliary Contact
This contact is a potential free change over contact the currents and voltages allowed
for this contact are max. 16A/250Vac. The LED 5 “Contact active” shows the position
of them: alight mind active and off mind non-active. The schematic view of the
connections on the front, show the relay in the non-active mode.
3.6.6 Connection to Remote control
The Remote Control RCC-01 is connected in the terminal marked „Remote control“
with a 20m long cable and a RJ11/8 connector. The Remote Control can be plugged
IN or plugged OUT during any operation situation. Push in the connector softly until
you hear the „click“ showing that the connector is locked. The same applies to the
plug in the Remote Control.
The length of the cable for Remote Control should not exceed 40m. We deliver it with
20m cable.
3.6.7 Connection to Temperature Sensor (Temp.)
The temperature sensor CT-35 is connected in the terminal marked „Temp“ with a
3m long cable and a RJ11/6 connector. The temperature sensor can be plugged IN
or plugged OUT during any operating situation. Push in the connector softly until you
hear the „click“ showing that the connector is locked. The temperature sensor must
be glued to the wall of the battery or near it. The Temperature Sensor cable must
not be tied together with the battery cables or laid in a rope/bundle.
3.6.8 Connection to the Remote Control for the „Power Sharing“ (RPS-01)
This remote control is connected with a 20m long cable to a RJ11/6 plug. It can be
connected and disconnected at any time. Push in the connector softly until you hear
the „click“ showing that the connector is locked.

STUDER Innotec COMPACT
COMPACT V6.4 15/85
4 Control
4.1 Display and control parameters

STUDER Innotec COMPACT
COMPACT V6.4 16/85
4.2 Light Emitting Diodes (LED)
LED Marking LED lit LED blinks
1 AC IN
Voltage
corresponding to
self-adjusted
values is at the AC
IN input.
A voltage outside the self-adjusted
values is at the AC IN input, or the
COMPACT is in synchronization
phases
2 CHARGER
Battery charger is
working The battery charger is locked OFF (see chap. 4.6) or provisory out of
order. In that last case it will restart
within 10 seconds
3 SOLAR
CHARGE
Connected solar
modules are
delivering energy
4 Program
Program mode for
Aux. Contact
5 Contact
active Auxiliary Contact is activated
6 Contact
manual Aux. Cont. manually activated
7 TRANSFER
Transfer system is
active. In- coming
voltage is being
sent directly to AC
OUT outlet
Transfer (bypass) is disabled (see
chap. 4.7)
8 AC OUT
There is a voltage
at the AC OUT
outlet
The Inverter is in Standby-Mode
9 INVERTER Inverter is working Forced Inverter Mode (see chap. 4.5)
10 Over Temp.
For the time being
the COMPACT is
out of service
because of
overheating.
11 Overload
The COMPACT is
out of service
because of
overload or short-
circuit
12 Batt.
Low/High Battery voltage is too low Battery voltage is or was to high
13 OFF
COMPACT is
turned off. Turning
it back on is only
possible manually.
COMPACT is for the time being
turned off. Turning it back on will
follow automatically !
14 EQUALIZE
Battery equalizing
is set
15–18
State of charge of
the battery LED 15 – Absorption time is running

STUDER Innotec COMPACT
COMPACT V6.4 17/85
25 POWER
MONITOR
Display the value of the output power in % of Pnom (in
Inverter Mode) and the charge current in Amps (in Charger
Mode). In this mode the red LED indicates that power
sharing is in use (>100A).
4.3 Push buttons
19 ON/OFF
Turning the COMPACT on and off (Help Button for
Programming)
20 RESET Alarm Signal off (Help Button for Programming)
21 Aux. Contact Control Aux. contact (Help Button for Programming)
4.4 Turning Knobs
22 CHARGER Adjustment for max. Charging Current
23 TRANSFER
Adjustment for Transfer Voltage Threshold (TRANSFER –
INVERTER)
24 STANDBY Adjustment for „Standby“ system
26 INPUT LIMIT
Must be adjusted to the maximal available current of your
AC INPUT supply
4.5 The Inverter
An Inverter is built in the COMPACT, which generates a sinusoidal alternating
voltage of a very high quality. With this Inverter any 230Vac alternating voltage
appliance up to the nominal power of your COMPACT can be operated. Thanks to
the generous dimensioning of the COMPACT, you can operate appliances requiring
higher power than the nominal power of the COMPACT for a short time. The
COMPACT provides up to 3-times the nominal power to start motors.
The Inverter mode is displayed through LED 9 (Inverter). If the Inverter Mode is
disabled (see chap. 5.5) LED 9 will blink. If the LED 9 is lit, the Inverter is in operation
and you have 230Vac at the output AC OUT. The actual power of the connected
appliance is displayed on the power monitor 25 and on the Remote Control.
4.5.1 Charge detection system „Standby“
In order to avoid unnecessary discharge of the battery, the inverter switches OFF
automatically if no appliance is connected and switches ON automatically again if
appliance is connected. The LED 8 blinks if the inverter is in Standby-Mode. The
switching-on/starting level can be adjusted with the turning knob 24 „STANDBY”.
Adjusting the switching-on level is as follows: Switch off all consuming devices, turn
the Turning Knob 24 to the right until the LED 8 is blinking, switch on the smallest
consuming device (i.e. Mobile phone charger), turn the Turning Knob slowly to the
left until LED 8 is lit.
If the Standby-Mode is not wanted, turn the Turning Knob 24 to the left, to the OFF
position.
4.5.2 Overload
If the Inverter is too long or too heavily overloaded, it switches off. The LED 11
„Overload“ is lit and LED 13 „OFF“ blinks. After ca. 10 seconds the Inverter switches
on automatically. If the Inverter is overloaded four times one after another in a short

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time, then it no longer switches on automatically. The LED 13 remains lit. Press the
push button 19 „ON/OFF“ in order to switch on the Inverter.
4.5.3 Overheating (Over Temp.)
If the Inverter has been overloaded for a long time or it has been working in too high
surrounding temperatures, it will switch off. The LED 10 „Over Temp.“ is lit and the
LED 13 „OFF“ blinks. After cooling down, the inverter switches back on automatically.
One minute before the inverter switches off for too high temperature it gives out an
acoustic alarm signal. If the Auxiliary Contact has been programmed to detect the
high temperature then it synchronizes the relay with the alarm signal. In this way, for
example, an emergency back- up system can be started without any break in the
energy supply.
4.5.4 Battery Condition
Deep discharge of the lead-acid batteries leads to high losses in capacity and early
aging. That is why the battery condition is continuously controlled and supervised.
With low volt-age the inverter switches off. The LED 12 „L/H Batt.“ is lit and the LED
13 „OFF“ blinks. When the battery voltage gets up to 12.1V / 24.2V / 48.4V, the
Inverter switches on automatically. One minute before the Inverter switches off due to
low voltage it gives out an acoustic alarm signal. If the Auxiliary Contact has been
programmed to detect the low voltage then it synchronizes the Aux. Contact with the
alarm signal. In this way, for example, an emergency back up system can be started
without any break in the energy supply.
The low voltage is set to 11.6V / 23.2V / 46.4V. These settings are standard for most
batteries. These voltage levels are maintained by the built-in Battery-Management-
System of the COMPACT by matching the load and the battery condition.
This setting is comparable with the levels of 10.8V/ 21.6V / 43.2 which are given
for most batteries at nominal load.
All voltage levels can be programmed. See the instructions under the section on
Programming. Check with your battery supplier which voltage values should be set.

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4.6 The battery charger
4.6.1 Cycle of charge
The full automatic COMPACT Battery Charger is adjusted at the factory so that most
lead-acid and lead-gel batteries can be charged to the maximum. As soon as the
minimum alternating voltage for the AC IN set on the Turning Knob 23 is available at
the input (LED 1 AC IN is lit), the Battery Charger is switched on automatically (LED
2 CHARGER is lit). The battery is fully automatically charged matching to the charge
level, the adjusted volt-age levels and the charge current. Thanks to the built-in Float
Charge System, the batteries can be left connected for unlimited time with the
Battery Charger switched on.
During the charging phase the appliances at the outlet AC OUT are continually
supplied with power (LED 8 AC OUT is lit).
The charger functions are shown in the following diagram:
4.6.2 Default values for battery voltage thresholds
Low voltage Float charge Absorption Equalization Absorption
time Equalization time
12V 24V 48V 12V 24V 48V 12V 24V 48V 12V 24V 48V 12/24/48V 12/24/48V
11.6 23.2 46.4 13.5 27.0 54.0 14.4 28.8 57.6 15.6 31.2 62.4 2h 20’
These values can be modified by mean of the optional remote control
4.6.3 Equalization charging
Before you program the COMPACT for Equalization-charge you must check with
your supplier that the batteries are suitable for this process.
Equalization is recommended for the lead-acid batteries in order to mix well the
electrolyte fluid and to clean the lead plates.
If the COMPACT is operating with a lead-acid battery, which is suitable for
equalization, the slide switch „Equalize“ which is on the cable connection side, must
be placed in the ON position. In this setting, every 25 charge cycles an equalization
is carried out for 20 minutes (factory setting). During such a charge cycle the LED 14
is lit and during equalizing it is blinking. Charge cycle with equalization can be started
independently from the actual program. For this purpose the slide switch must be slid

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from “OFF” to the “ON” position. The LED 14 will light up. If the periodic equalization
is not required, slide switch must be slid back to the „OFF“ position after the
completion of the manual cycle.
The equalizing voltage can be changed. How to proceed is explained in chap. 5.3.
Batteries not designed for equalize should never been charged this way.
CAUTION: During the equalization process, the batteries produce a lot more
gas. DANGER OF AN EXPLOSION !! The battery room must be well ventilated.
Equalization mode should never be used when using Gel-Batteries.
4.6.4 Input current repartition (Power sharing)
To manage the power available on the AC INPUT (depends on the supply use) the
COMPACT is equipped with a system usually called “Power sharing” or INPUT power
distribution. With this function it is possible to limit the AC INPUT current assigned to
the charger. The more current it uses on the OUTPUT the less it gives to the charger.
Priority to the OUTPUT. When the power sharing is used the LED 200% (red) is lit to
point out that the charge is limited.
Caution: if the power use on the OUTPUT is higher than the value of the INPUT
LIMIT (26) the COMPACT cannot limit the current, then the generator means to
stop or the circuit breaker means to break before.
4.6.5 Set the INPUT LIMIT (26)
The current available for the COMPACT depends on
the supply used from a motor generator, the network
of a camping or of a shore connection. The value of
the turning knobs INPUT LIMIT (26) must be adjusted
lower or equal to the current available from the source.
For example if you have a generator of 2kW you must
adjust the turning knobs 26 to a max. 8.5A. To
calculate this, one divides the nominal power (2000W)
by the voltage (230V). If you have a circuit breaker
(i.e. 6A) before the COMPACT, then you set this value
on the turning knobs (26) (i.e. 6A).
This adjustment can be done remotely with the optional RPS-01 (see section 3.6.7).
In that case the smallest values will be taken into account.
4.6.6 Charging current
The maximum charging current for the battery can be adjusted with the Turning Knob
22 (CHARGER). The charging current of the battery should be set to approximately
10 – 20% of the battery capacity (at C10). This means that the charging current for a
battery with 300Ah should be set between 30 – 60A.
The charging current is displayed on POWER MONITOR (25) of the front panel
or on the Remote Control.
4.6.7 Battery Condition
Built-in microprocessor with a specially developed algorithm calculates the actual
state of charge of the battery and displays it on LED 15 – 18. The LED 14 is lit when
the system is carrying out a charge cycle with equalization.
Notice: the exact measure of the battery state of charge with electrical parameters is
al-most impossible. The display of the state of charge is always more or less precise.
The measure system built in the COMPACT takes into account the battery voltage,
the discharge and charge current as well as the undulation of the voltage. If the
battery and the COMPACT are used according to their technical data, the battery