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Fig.3:
Expander Chassis Installation
4.2 MAIN & EXPANDER CHASSIS INSTALLATION
The Main and Expander Ch ass is’ are ins talled into the
HBB-1072
Enclosure as shown using the supplied hex-nuts.
Group the incoming wires through the top of the enclosure to prepare it for wiring the Modules. Do not run the wires
in-between the Mo dules since it co uld ca use a sh ort circ uit. Us e a w ire tie to group wires for easy identification and
neatness.
Be sure to c on ne ct a solid E arth G roun d (f rom building system grou nd / to a cold w ater p ipe) to th e C has sis E arth
Ground Mounting Lug, and to connect the Earth Ground W ire Lugs from
BOTH
the Main Chassis and the Expander
Chassis to the ground screw on the Backbox.
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