Johnson-systems JS-ICON Series Dimmer/Relay Rack (2410,2413,1220,1 Manual de usuario descargar pdf (Pagina 6)

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Power Supply Connection Details

The JS-ICON

™

Series dimmer racks are capable of various 120V power

supply congurations. The contractor termination section is located on the

left-hand side. Knockouts on the top and bottom of the chassis are provided

for wire/conduit entry to the power terminals. The phase power terminals

are mounted directly onto copper bussbars, used to distribute current to

each dimmers circuit breaker. The power terminals may be rotated up to 180

degrees to facilitate top or bottom wire entry. To rotate the power terminals,

loosen the 1/4-20 x 1/2" mounting bolts (use a 7/16" wrench or socket), rotate

terminals into place, and tighten the mounting bolts to 45-50 IN-LBS (5.0-5.6 NM).

WARNING: Wiring termination must be done by qualied personnel only!

WARNING: Be sure all power connections are tightened to specication

before power supply is turned on.

Power Supply Conﬁgurations - Three Phase:

120/208 VAC, 3Ø, 5-Wire up to 100 Amps per phase. Maximum 28.8kW total.

Use wire size #14 to #1/0 AWG. Strip insulation length to 0.65" (16.5mm).

Torque power terminals (A, B, C) to 45-50 IN-LBS (5.0-5.6 NM).

Below is the dimmer phasing for each JS-ICON

™

Series dimmer rack model:

JS-ICON

™

2410 and JS-ICON

™

2413 (Example shown to the left)

• Dimmers 1 to 8 are powered from Phase A.

• Dimmers 9 to 16 are powered from Phase B.

• Dimmers 17 to 24 are powered from Phase C.

JS-ICON

™

1220

• Dimmers 1 to 4 are powered from Phase A.

• Dimmers 5 to 8 are powered from Phase B.

• Dimmers 9 to 12 are powered from Phase C.

JS-ICON

™

1210/620

• Dimmers 1 to 8 are powered from Phase A.

• Dimmers 9 to 14 are powered from Phase B.

• Dimmers 15 to 18 are powered from Phase C.

NOTE: Power supply requires an external disconnect.

NOTE: For connection use copper wire only, rated 167°F (75°C) minimum.

∅A

∅B

∅C

1 2 3 4 5 6 7 8 9 10 11 ... 33 34

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Johnson-systems JS-ICON Series Dimmer/Relay Rack (2410,2413,1220,1 Manual de usuario Pagina 6

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