The Transfer System - Studer COMPACT - C 1600-12 User's And Installer's Manual

STUDER Innotec
state of charge is displayed accurately. In the following cases of use the display can
diverge:
− Battery charge or discharge with too high
currents
− Battery cable cross section too small
− Battery connections badly tightened or corroded
− Charge of the battery with external battery
charger
− Discharge
of
connected to the COMPACT
− Work with defective or sulphated batteries
This means that the display can, within few minutes
during the charge, commute from 25% to 75% or
during the discharge, to the opposite direction.
As many of the working cases mentioned above often occur, the measure system of
the COMPACT takes into account, during the charge, only the peaks of the voltage
undulation. As a consequence, the battery voltage at the start of the absorption
stage, measured by a voltmeter will appear deeper. By decrease of the charge
current the voltage will reach the exact values.
For safety reasons, you must get the recommended charge voltage and charge
currents from your battery supplier. The voltage levels and charge characteristics can
be changed through Programming. The instruction for programming of battery
charger is in the section „Programming" (Chap. 5.3). The correct charging is
mandatory for a safe function and a long-life of the battery.
The battery charger functions are described by the graphic in chap. 4.6.1.
4.7

The Transfer system

When an AC voltage is at the input AC IN of the COMPACT, the LED 1 AC IN is lit.
When this voltage matches the lowest adjusted value set by the Turning Knob 23
TRANSFER, and the frequency is between 44Hz and 65Hz, this voltage is switched
directly to the battery charger and to the output AC OUT. The LED 7 TRANSFER is
lit. The inverter is switched off and the battery charger switched on. This process is
automatic, unless the charger mode or the transfer mode is disabled (see Chap. 5.5).
The maximum current of the Transfer switch is 16A. That means through this system,
consuming devices up to a maximum of al 3700 Watt can be operated. When the
Battery Charger is working, part of this power is used for charging according to the
power sharing system.
The Transfer system is protected against overload with a circuit breaker on the AC
Input side of the COMPACT. If the system has been overloaded, the button/pin of the
fuse will pop out. To put the automatic safety system back in to operating you must
push this pin back.
Note: in the Inverter operation, The COMPACT generates a true sinusoidal and
quartz stabilized output voltage. However if the COMPACT is supplied from a grid or
a generator and the transfer contact is active, then you have at the output AC OUT
the same voltage as that at the input. This voltage can not be modified by the
COMPACT !
the battery with
COMPACT V6.4
users not
COMPACT
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