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.