Lightronics AR1202 Manual do Utilizador descarregar pdf (Página 5)

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AR – 1202RTC ARCHITECTURAL DIMMER

Revision 1.93 OWNERS MANUAL 06/03/2008

www.lightronics.com

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

SINGLE PHASE POWER CONNECTIONS

REQUIREMENTS

The RA-122 can operate as a single phase unit using

using only 2 phases of a 3 phase power source. This

is NOT RECOMMENDED since it causes an

unbalanced load at the power source.

The feed circuit must be able to supply 120 Amps for

each line.

CONNECTIONS

There are three terminals on the input power terminal

block (

H1, H2, H3). When operating the AR-1202 on

single phase power, the center (

H2) terminal is not

used.

The wires connected to the left side of the H2 terminal

contain color coded sleeves (RED and BLUE). These

wires must be moved and distributed to the H1 and H3

terminals. Remove the wires from the H2 terminal

and connect them to H1 and H3 such that the sleeve

color matches the wire colors on H1 and H3.

Connect the feed neutral to the NEUTRAL bus bar.

Connect the feed ground t

o the GROUND lug.

HIGH VOLTAGE CIRCUITRY IS EXPOSED WHEN

THE CABINET DOOR IS OPEN. DO NOT ALLOW

THE UNIT TO OPERATE OR HAVE POWER

APPLIED TO IT WHILE THE DOOR IS OPEN.

ARNING

MAKE CERTAIN POWER IS REMOVED

FROM THE FEED CIRCUITS

BEFORE YOU BEGIN INSTALLATION.

POWER IN

SINGLE PHASE

120/240 VAC

BLACK

RED

BLUE

RED

MARKER

BLACK

MARKER

NOT

USED

SINGLE PHASE POWER CONNECTIONS

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