MTS Material Test Systems - Manual (Page 39)

must be provided by the customer to allow maintenance personnel to safely remove all power to the HPU.
Wiring must conform to local electrical codes and regulations.
5.4.0 Grounding Requirements
Each system has its own internal grounding network, which is common grounded through the green wire in
the power cable and must also return to ground, through the conduit of the electrical distribution system. Note
that the green wire must not be a current-carrying conductor or a neutral conductor.
All equipment related to the load frame should be connected to the same electrical circuit if possible. If the
computer, monitor or other peripherals are connected to a different electrical circuit (example; the load frame
is connected to 208 VAC power but the computer and monitor are connected to 120 VAC power) make sure
there is no voltage difference between the two different grounds. If voltage is present, damage could occur
to the electronics in the machine, the computer and monitor or the peripherals being used. This must be
resolved before turning on the equipment.
Where electrical power is of poor quality (noise spikes, poorly regulated, and so forth) or the ground system
in the facility contains electrical noise, attach a 4 AWG wire directly to the steel structure of the building, or
attach a 3 m x 3 m (10 ft x 10 ft) steel plate in contact with masonry and a 4 AWG wire for the ground system.
An alternate method would be to attach a 4 AWG wire directly to a good earth ground point such as a copper
grounding rod driven at least 2 m (6 ft) into the ground. Grounding must conform to local electrical codes.
5.5.0 Test Controller and Console Requirements
Lifting and moving
Table and floor models
Warning:
Proper body mechanics are essential when lifting the test controller.
Use of improper lifting mechanics can result in injury (musculoskeletal disorders).
Keep your back straight and lift with your legs while keeping the test controller as close to your
body as possible. If for any reason you can not lift the test controller by yourself, have someone
assist you.
The larger models are heavy and require more than one person to lift and move them. The larger units are
equipped with casters that allow you to move them on a flat surface.
Stand-up consoles
For large stand-up consoles, lifting and moving instructions are attached to the unit. The console has casters
for easy movement on smooth, level surfaces. When moving the unit using the casters, be sure that the
leveling pads are screwed into the base of the cabinet.
MTS Material Test System Operation 39
5.0 Installation Guidelines