Zener SMARTSTART 6000, Инструкция по эксплуатации

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Installation ‐ Power Wiring
(100A model and above)
Technical Manual: Smartstart
®
6000 IMI0042 rev K
Page 12
Relocating the Internal Current
Transformers for 6 wire operation.
The Smartstart
®
6000 comes standard with internal
Current Transformers (C.T’s) for monitoring the
current during acceleration, deceleration and when in
bypass.
It is important that the Smartstart
®
6000 be wired in a
manner to ensure the C.T’s are always monitoring the
motor current. For this reason 9 terminals are
provided. This is important to ensure continual
protection of the soft starter, the motor and the load.
The correct installation of the C.T’s is crucial for
optimum performance of the torque control system.
In 6 wire operation, it is necessary to relocate the C.T’s
external to the starter. For 6 wire operation the C.T’s
are to be installed on the incoming line supply cables
so that the line current is monitored (not the phase
currents).
The Smartstart
®
6000 must be purchased with C.T’s
external by ordering ‘prepared for 6 wire’;
Part no. Description:
TF60015 Prepare for 6 wire: 6R100 ‐ 220
TF60016 Prepare for 6 wire: 6R360 ‐ 830
NOTE: 6 Wire using Internal CT’s
In some cases the CT’s may remain internal. This is subject
to the Motor FLC and the Soft Starter Rating. Refer to
Appendix E Page 52 for more details.
Installation of external C.T’s
When relocating the C.T’s external to the soft starter it
is important to ensure the following:
1. C.T’s are installed on L1 & L3
2. C.T’s are installed in correct direction
P1 label = line side
3. C.T’s are terminated with correct phasing.
S1 = Red
S2 = Black
The C.T’s supplied with the Smartstart
®
6000 has a
label which shows the correct phase and direction.
If the C.T’s are not installed correctly the starter will
display a fault or a ‘C.T Phase error’.
Programming:
Program the starter for 3wire or 6 wire operation. The
selection available for 6 wire is ‘Standard 6 wire’ or
‘alternate 6 wire’, depending on the wiring
configuration used. The wiring in this manual is drawn
for Standard 6 wire. Refer to page 21: parameter ‘M04
Motor Wiring’.
Energise the 3 Phase supply to the starter without
attempting a start. Look for a “W05 MOTOR WIRING”
warning and check the “MTR WIRING CHK” is
‘CORRECT’ in the diagnostic menu.
Check for correct installation
The Correct CT connection can be checked after the
first motor start. A CT phase error may be identified
under the menu ‘Starter Diagnosis’. ‘+L1 / +L3’ should
be displayed.
> If L2 is displayed move the CT from L2 phase.
> If a “ ‐ “sign is displayed, the direction of the
corresponding CT needs to be reversed.
Incorrect CT installation will result in a “W07 CT
PHASING” warning and affect the optimum starting of
the motor.