ETA Systems Power Supply PD420VS User Manual

PD420VS OWNER’S MANUAL

(Insert to 6MAN-028)

1450 Lakeside Drive• Waukegan, Illinois 60085 USA

330-677-4424 • 800-321-6699 • Fax: 330-677-4471

PD420VS POWER HOOK-UP REQUIREMENTS:

WARNING: Do not remove cover. No user serviceable parts inside. Refer servicing and hook-up to qualified

individuals only.

DANGER: Due to life threatening shock hazard, hook-up of this power distribution pack must be made by

qualified electricians only.

DANGER: Shock hazard, disconnect power before removing lid, or for servicing.

The PD420VS is designed for use on Three Phase (3Ø) WYE 120/208V 4-pole 5-wire grounding

electrical service. With the ability to operate on Single Phase (1Ø) 120/240V 3-pole 4-wire ground-

ing electrical service, (easily configured internally).

DO NOT connect high voltage leg of DELTA type systems (the higher voltage will damage sensitive

equipment connected this way)—see NOTE below.

Follow National Electrical Code, or Local Electrical Code when sizing input electrical supply lines.

NOTE: Delta systems have one (1) leg at a higher potential (208 Volts) in reference to neutral, sometimes

termed “Crazy Leg”, or “High Leg” typically the orange color is reserved for designation of this line.

Do not connect this leg into the PD420VS.

120/240 1Ø WIRING

• Move unit red wire from terminal block L3 terminal to

L1 terminal (L1 will now contain three red wires)

• Move unit black wire from terminal block L3 terminal

to L2 terminal (L2 will now contain three black wires)

• Increase supply lines gauge size to accommodate the

ADDITIONAL 20 amps (2400 VA) on each leg

1450 Lakeside Drive• Waukegan, Illinois 60085 USA

330-677-4424 • 800-321-6699 • Fax: 330-677-4471