107 • Test Procedure for Low Voltage Testing
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12.3
Low Voltage Test Procedure
1.
Disconnect mains voltage from the soft HRVS-DN cabinet.
2.
Ground the medium voltage lines.
3.
Put warning signs that will prevent anyone from connecting the medium voltage lines to the
HRVS-DN cabinet.
4.
The HRVS-DN cabinet inputs bus bars (marked L1, L2, L3).should be free from any
connection.
Do not ground them, since low testing voltage should be connected to these input lines.
5.
Disconnect the medium voltage Motor lines from the output bus bars of the cabinet (marked
U, V, W).
6.
Visual test. Make sure that there is:
7.
No me
Choose an item.
chanical damage
8.
No loose screws
9.
No excessive dust
10.
No loose parts.
11.
No cut wires
12.
No open fiber optic wires
13.
No broken insulators
14.
Connect the safety ground to the cabinet.
15.
Double check that the cabinet is free from any voltage connection and is disconnected also
from the medium voltage motor.
16.
Disassemble the clear plastic cover in the front of the starter Power Section.
17.
Connect the low voltage test harness:
18.
HRVS-DN up to 6.6kV
:
Refer to section
12.3.2.1 page 110.
19.
HRVS-DN 10kV and up
:
Refer to section
12.3.2.2 page 111.
20.
Connect the motor cable to the output bus bars U, V, W.
21.
Connect the control voltage cable (equipped with switch) to customer terminals 1 & 2 located
in customer terminal compartment.
22.
Connect three phase cable (equipped with switch) to the input bus bars (L1, L2, L3),
upstream the Line Contactor (so that voltage is disconnected from starter, when the contactor
is open).
23.
Connect the remote control switch wires to customer terminals 15 & 16 located in customer
terminal compartment.
24.
Turn on the two MCBs located in the top-left side of the low voltage section (marked e1 and
e2).
25.
Verify that the Emergency push button is in the normal operating position.
26.
Set DOL/Soft Start selector switch (S1) to Soft Starter position.
27.
Set the Local/Remote/Comm./Off selector switch (S2) to Local.
28.
Turn on the control voltage switch.
29.
The Control Module should be powered now.
30.
Verify that the remote control indication light (L5) on the external door is turned off.
31.
Get familiar with the soft starter settings, using its instruction manual.
32.
Press the Reset buttons on the soft starter Control Module panel and on the optional MPR
panel.
33.
Enter MAIN & PROTECT. parameters. set:
RATED LINE VOLT. – As indicated on the HRVS-DN label
STARTER FLC – As indicated on the HRVS-DN label
MOTOR FLA – Set to <test motor FLA X gain> (see here after information on gain settings)
Browse all the way down until you see the message: STORE ENABLE MAIN & PROTECT.
Press the Store button and wait for the message: DATA SAVED OK.
34.
Enter START parameters, set:
SOFT START CURVE – set to 1 (standard)
INITIAL VOLTGE – set to 10%
NUMBER OF STARTS – set to OFF (to enable unlimited number of starts with the low
voltage motor)
