Elettronica Santerno SINUS K, User Manual

Page: 135 / 191

SINUS K
INSTALLATION
INSTRUCTIONS
135/ 191
13.3. Braking Unit for Modular Inverters (BU720-
BU1440)
A braking unit to be applied to modular inverters only is available. The inverter size must be equal to S65.
13.3.1. I
NSPECTION UPON
R
ECEIPT OF THE
G
OODS
Make sure that the equipment is not damaged and that it complies with the equipment you ordered by referring
to the nameplate located on the inverter front part (see figure below). If the equipment is damaged, contact the
supplier or the insurance company concerned. If the equipment does not comply with the one you ordered,
please contact the supplier as soon as possible.
If the equipment is stored before being started, make sure that temperatures range from -20 °C to +60 °C and
that relative humidity is <95% (non-condensing).
The equipment guarantee covers any manufacturing defect. The manufacturer has no responsibility for possible
damages occurred while shipping or unpacking the equipment. The manufacturer is not responsible for possible
damages or faults caused by improper and irrational uses; wrong installation; improper conditions of
temperature, humidity, or the use of corrosive substances. The manufacturer is not responsible for possible
faults due to the equipment operation at values exceeding the equipment ratings. The manufacturer is not
responsible for consequential and accidental damages.
The braking unit is covered by a 12-month guarantee starting from the date of delivery.
13.3.1.1. N
AMEPLATE FOR
BU720-960-1440
Figure 63: Nameplate of BU720-1440.
1. Model (BU1440 – braking unit);
2. Supply ratings: 200 to 800 VDC for BU 720-1440 2-4T (DC supply voltage produced by the inverter
terminals);
3. Output current: 800A (average): mean current in output cables, 1600A (Peak): peak current in output
cables;
4. Minimum value of the resistor to be connected to the output terminals (see application table).