Toshiba TE Series Instruction Manual page 21

Low voltage digital solid state soft starter 18 – 1250a
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Basic Installation and Operation Guide
WARNING: MOTOR CONNECTED TO THIS EQUIPMENT
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P a g e
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3.1.3
Disabling the Overload Protection
The Overload Protection feature can be disabled if necessary. When
using external devices such as Motor Protection Relays or when the TE
Series is wired downstream from an existing starter, this feature can be
disabled to prevent conflicts with external overload protection devices.
When the TE Series is controlling multiple motors, the built-in Overload
protection must be disabled and individual thermal overload relays must
be installed on the motor leads going to each motor (see appendix 4 for
additional details). To disable the Overload Protection function, use
F005.
WARNING!
Do NOT disable Overload Protection unless another Thermal
Overload Protection device exists in the circuit for all three phases.
Running a motor without Overload Protection presents serious risk of
motor damage or fire.
3.1.3.a
The factory default setting is Manual Reset. This means that when
the Overload Trip is activated, the starter cannot be restarted without
pressing the Reset key. The Overload Trip will not reset until the
motor cools down (see 3.1.3.d). The Manual Reset function is also
"trip free". Holding in the Reset key will not prevent the Overload Trip
from activating and protecting the motor.
Note:
When the Overload Trip activates, the Overload LED will be on solid.
When the motor cools down, the LED will begin to flash, indicating
that the Overload Trip can be reset.
3.1.3.b
If Automatic Reset is necessary, change from Manual Reset to
Automatic Reset by using Function F005. (See Section 5 for details).
In this mode, a 3-wire control circuit will be capable of restart when
the TE Series has reset itself after the cool down period.
WARNING!
Two-wire control systems may restart without warning when Auto
Reset of the overload protection is selected. Extreme caution
should be exercised. To prevent automatic restarting with 2-wire
control systems, use external interlocking to provide sufficient
warning and safety to operators. A Warning Label similar to that
shown below (and the one provided in the packet with this manual)
must be located where visible (on the starter enclosure and/or the
driven equipment) as required by local code.
MAY START AUTOMATICALLY WITHOUT WARNING
TE Series Digital Solid State Soft Starters 18 – 1250A
Manual Reset
Automatic Reset

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