4
Power Units (All Potted Models)
5200095 Rev C
4. INSTALLATION
Mounting and Grounding of Power Unit
The power unit is designed for flat surface mounting with mounting flanges at the base
of the unit. The ambient temperature where power unit is located should not exceed
105°F (40°C). Proper grounding of power unit metallic enclosure is essential for safe and
efficient operation of the equipment. Proper grounding can be accomplished by either of
the following methods:
1. For power unit mounted on machine, connect the power unit ground stud and earth
ground with at least a #16 AWG copper wire.
2. All power units are equipped with a 3-conductor line cord.
For power unit with 120 VAC operating voltage, the line cord is fitted with a standard
NEMA 5-15P plug. Ensure that the line cord is plugged into a 3-terminal grounded
receptacle.
For power unit with 230 VAC operating voltage, the line cord is fitted with a standard
NEMA 6-15P plug. Ensure that the line cord is plugged into a 3-terminal grounded
receptacle.
For power unit that is equipped with a plug-less 3-conductor line cord, the ground wire
(GREEN or GREEN/YELLOW) must be connected to earth ground.
CAUTION – Electrical Shock Hazard
Failure to properly ground power unit may result in electrical shock hazard to
personnel and inefficient operation of equipment.
ACHTUNG – Stromschlaggelahr
Ein unzureichend geerdetes Netzgerat kann eine Stromschlaggelahr für das
Personal darstellen und zu einem ineffizienten Betrieb des Gerates fuhren.
ATTENTION – Danger d’élctrocution
Une alimentation avec une mise ilia terre insuffisante peut constituer un danger
d’electrocution pour les personnes et conduire a un mauvais fonctionnement de
I’appareil.
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