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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.
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Related Manuals for Siemens DOL Series
Summary of Contents for Siemens DOL Series
- Page 1 Hazardous Voltage can cause Electric Shock and burns. Disconnect Power before proceeding with any work on this equipment For dependable service, it is of utmost importance that instructions given below are followed for selection, inspection, installation, commissioning, operation and maintenance. • Inspect interior for breakage. Installation: • If you find a serious defect, do • As soon as you open the not use the product but have starter, you will see a sticker it checked by an authorized “K1 BIRELAY” showing the Siemens dealer or an location at which the relay electrician. should be mounted. Refer Table 5 for the procedure to be followed for fitting the relay. Fig. 1 New series of Starters • Complete the wiring by connecting the wires having Selection: ferrules ‘95’ and ‘96’. Wiring • Refer Table 1 for recommended should be exactly as per the selection of DOL Starters and circuit diagram label shown Table 2 for ASD Starters.
- Page 2 'Reset' Dial Cord Screw for adjustment Fig. 4 Reset Cord connections Fig. 6 Cable connections Fig. 7 Timer Adjustment • Mount starter on a vertical Remove required length of reach nearly rated speed or wall / plate free from insulation and using the steady state current (indicated vibrations, with proper nuts hardware connected at the when motor hum reaches a and bolts. Refer fig. 11 for contactor terminals, fix the steady pitch). mounting dimensions, and incoming and outgoing c. Stop the motor. Set timer to this also fig. 5 for permissible cables. measured value, by rotating the displacement. dial shown in fig. 7. c. In case, the power and control circuits are of different • Overload relay setting: voltages, connect the desired supply to the control circuit, a. For closer protection set the using the connector. Follow overload relay to actual line the instructions given on...
- Page 3 Remove globules with current the suitability of scrapper or screw driver with the starter / relay for the minimum force. Under no particular application should circumstances the contact be checked with the nearest Blue should be filed or dressed as Reset Siemens office. it will reduce the electrical life Knob drastically. Operating Characteristics: • If the contactor hums, clean the magnet pole faces with The given characteristics soft cloth. (fig. 10) are average values of all ranges and sizes of bimetal • Replace contacts of the...
- Page 4 110V ON/OFF Contact (DOL 2 & ASD 2) 3SX155-11YA 230V Reset cord for ASD3 3UX1015 240V Accessory for 3US58 independent 3UX1421 mounting 415V Contact Block (1NO) 3SB5420-0B All other voltages Upon enquiry Contact Block (1NC) 3SB5420-0C Contactor Spare Contact Kit Refer Siemens Price List Selection Table 4 Electronic Star-Delta Timer Refer Table 4 Star-Delta Timer Relay Refer Table 1 & 2 Input Voltage MLFB Contactor Refer Table 1 & 2 24/100 - 127V 3RP1576-1NQ308K Aux. contact block for 3TS34 3TX4010-2A 200 - 240V 3RP1576-1NM208K 380 - 440V...
- Page 5 Table 5: Installation Mode of Relay Starter MLFB Procedure mounting 3TW7493-2A.. 1. Unscrew contactor terminals and put the relay terminals under contactor terminals. 3TW7494-2A.. 2. Engage the relay hook in contactor slot. DOL 1/2 3. Push the relay towards contactor as much as possible, so that the relay edge is flush 3TW7495-2A.. Direct mounting on with the contactor ribs. contactor 3TE7493-2A.. 4. Tighten the contactor terminal screws. ASD 2 3TE7494-2A.. 3TE7495-2A.. 1. Replace the terminals of relay by those provided in the hardware kit along with the 3TW7496-2A.. starter. DOL 3 2. See the diagram given in the Operating Instructions of accessory for independent 3TW7497-2A.. mounting. 3TW7498-2A.. 3. Loosen the screws of accessory for independent mounting. On the terminal 4.
- Page 6 Fig. 11: Dimensional Details DOL 1/2 DOL 3 3TW7493-2A.. 3TW7496-2A.. 3TW7494-2A.. 3TW7497-2A.. 3TW7495-2A.. 3TW7498-2A.. DOL 6 3TW7499-2A.. 3TW7590-2A..
- Page 7 ASD 2 ASD 3 3TE7493-2A.. 3TE7496-2A.. 3TE7494-2A.. 3TE7497-2A.. 3TE7495-2A..
- Page 8 Disposal Siemens Products are environment friendly, which PLASTICS : Segregate as per material type for recycling predominantly consist of recyclable materials. through authorised dealer. Because of the long lifetime of Siemens products the For disposal we recommend disassembling and disposal guidelines may be replaced by other national separation into following materials: regulations when taking the product out of service. METALS : Segregate into Ferrous & Non Ferrous types for The local customer care service is available at any time recycling through authorised dealer. to answer disposal-related questions Customer Care Toll free no. 1800 220 987 Email: adscs.india@siemens.com Siemens Ltd. A5E45312503A / AA 'Product development is a continuous process. Consequently the data indicated in this leaflet is subject to change without XXX-XX-XXX-XXX prior notice. For latest issue contact our Sales Office.' This replaces SGR-01-115-029...