Siemens DOL Series Operating Instructions Manual

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Direct-On-Line and Automatic Star – Delta Starter
Our new series of DOL and ASD starters complies to latest
standard IS/IEC 60947-4-1
For dependable service, it is of utmost importance that instructions given below are followed for
selection, inspection, installation, commissioning, operation and maintenance.
Fig. 1 New series of Starters
Selection:
• Refer Table 1 for recommended
selection of DOL Starters and
Table 2 for ASD Starters.
• DOL and ASD Starters are
supplied without relays. Relays
are to be fitted at site.
• Select the suitable range of
relay as per recommendation
given in Table 1 and 2.
• Select back-up fuse rating
for different starters from
the selection tables. The
recommendation of the fuses
and fuse switches is according
to Type-2 co-ordination as per
IS/IEC 60947-4-1.
Inspection:
• Remove the housing cover.
• Check the coil voltages so that,
the coil voltage corresponds to
actual supply voltage.
• Inspect interior for breakage.
• If you find a serious defect, do
not use the product but have
it checked by an authorized
Siemens dealer or an
electrician.
Fig. 2 Direct-On-Line Starter (DOL)
Fig. 3 Automatic Star Delta Starter
(ASD)
Operating Instructions
Warning:
Hazardous Voltage can cause
Electric Shock and burns.
Disconnect Power before proceeding
with any work on this equipment
Installation:
• As soon as you open the
starter, you will see a sticker
"K1 BIRELAY" showing the
location at which the relay
should be mounted. Refer
Table 5 for the procedure to
be followed for fitting the
relay.
• Complete the wiring by
connecting the wires having
ferrules '95' and '96'. Wiring
should be exactly as per the
circuit diagram label shown
on inside of the front cover.
• Back up fuse ratings and cable
sizes are also recommended
on the label. Also for your
future reference, space is
provided on the label inside
the front cover to write the
coil voltage and the relay
range selected by you.
• In case of starters having
resetting cord, attach the
resetting device on the holes
provided on the relay surface.
(ref. fig. 4) Adjust the end
of the reset cord using the
adjustment screw (fig. 4) so
that clearance between blue
knob and reset cord metallic
end is about 2mm.