INSTALLATION | 15
present on the device feeding the Hx SEND IN. e goal of a proper mix minus is to prevent
the hybrid from ‘hearing itself ’.
2.9 Power Input and Grounding Safety
e AC input connects mains power to the unit with a standard IEC power cord. e power
supply has a universal AC input, accepting a range from 100 to 240 VAC, 50-60 Hz, at 0.075 –
0.15 Amps.
IMPORTANT SAFETY INFORMATION
Surge Protection
Precautions should be taken to prevent damage caused by power surges.
WARNING
e Hx1 and Hx2 use a universal-input power supply, which has an internal fuse. Hazardous
voltages may still be present on some of the primary parts even when the fuse has blown.
e power cord is the primary disconnect mechanism. Mains power should be near the equip-
ment and easily accessible. e unit should not be positioned such that access to the power cord
is impaired. If the unit is incorporated into a rack, an easily accessible safety disconnect device
should be included in the rack design.
Grounding
is equipment is designed to be operated from a power source which includes a third ground-
ing connection in addition to the power leads. Do not defeat this safety feature. In addition to
creating a potentially hazardous situation, defeating this safety ground will prevent the internal
line noise lter from functioning.
Should you replace the power supply module in the future, be sure to re-connect the safety
ground wires as shown in the illustration below.
Inside the chassis near the power inlet is a ground stud. e ground wire from the power inlet
is attached to the ground stud with a star washer on either side of the wire terminal. (See above
gure). A nut is used to independently tighten the inlet ground wire to the chassis. Next, the
ground wire from the power supply is fastened to the ground stud with a star washer on either
side of the wire terminal. An additional nut is fastened to the top of the ground stud.
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