Lightronics RA122 Bedienungsanleitung PDF herunterladen (Seite 4)

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RA – 122 RACK MOUNT ARCHITECTURAL DIMMER

Revision 0.93 OWNERS MANUAL 09/26/2011

www.lightronics.com

Lightronics Inc. 509 Central Drive Virginia Beach, VA 23454 Tel 757 486 3588

THREE PHASE POWER CONNECTIONS

REQUIREMENTS

True 120/208VAC three phase power must be supplied

to operate the RA-122 in the 3 phase configuration.

This means that the voltage across any two lines must

be 208 VAC. All three phases must be supplied. The

feed circuit must be able to supply 80 Amps for each

hot line.

THE UNIT WILL NOT OPERATE IN IT'S THREE

PHASE CONFIGURATION USING ONLY 2 LINES

OF A 3 PHASE 120/208 VAC SUPPLY CIRCUIT.

CONNECTIONS

Connect the 3 in hot feed lines to the 3 terminals on the

input power terminal block (H1, H2, H3).

Connect the feed neutral to the NEUTRAL bus bar.

Connect the feed ground t

o the GROUND lug.

See the section SYSTEM POWER SETUP for

operation using 3 phase connections.

POWER IN

3 PHASE 120/208VAC

BLACK

RED

BLUE

RED

MARKER

BLACK

MARKER

NEUTRAL

GROUND

REAR OF R

-122

THREE PHASE POWER CONNECTIONS

ARNING

MAKE CERTAIN POWER IS REMOVED

FROM THE FEED CIRCUITS

BEFORE YOU BEGIN INSTALLATION.

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Lightronics RA122 Bedienungsanleitung Seite 4