Sts/controller shelf, 6 sts/controller shelf – Alpha Technologies INEX Inverter System User Manual

Page 24

Argus Technologies Ltd.

014-114-C0 Rev D WC

Page 14 of 43

4.6 STS/Controller

Shelf

WARNING
Ensure all power sources are OFF during wiring. Disconnect battery cables from battery.

1. Follow wiring instructions to suit your installation.

2. Locate the CN2 connector on the backplane of the STS shelf

and the CN7 connector on the backplane of the inverter
shelf. Connect these two connectors with the attached STS
signal cable as shown:

3. Connect AC bus connectors of STS shelf to the AC bus of

the top level inverter shelf.

4. Then connect the AC bus connectors between inverter

shelves.

NOTE:

Spacers supplied are required on the last (bottom) shelf for AC

bars.

5. Route both DC input wires through the wire hole on the left

side of the inverter shelf. Use the cross-pan type nickel
screws in accessory kit for fixing both DC input wires.

CAUTION
To connect AC output wires onto the system,
only one AC line and AC neutral are necessary to
be connected either from STS shelf or inverter
shelf.

6. For inverter shelf only or without STS module:

Connect AC LINE to the UC4 (AC-L OUT) connector of STS
shelf.
Connect AC NEUTRAL LINE onto UC3 (AC-N) connector of
STS shelf.

7. With STS module:

Connect AC LINE IN to UC5 and AC LINE OUT to UC4 of STS shelf. Connect AC NEUTRAL IN/OUT to UC3.

CN2: SYNC port on the
controller/interface shelf
backplane

CN7: SYNC port on the
inverter shelf
backplane

CN1: Use shorting plug
for pins 1 to 4 when
MBS is not installed

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