42
ASSEMBLY AND INSTALLATION
6
● Use the power supply equipped with an earth leakage breaker. Use of power
supply without such a breaker could result in re if there is a current leakage.
● Have available a securely grounded indoor ground terminal. Without proper
grounding, customers could be electrocuted and product operations might not
always be stable.
● Do not expose the power cord or ground wire. If these are exposed, customers
could stumble over them, for instance, and easily damage them. Additionally,
if these lines are damaged, there could be a risk of electrical shock or short
circuit. Set these lines at locations where they will not interfere with customer
trafc, or attach covers to them.
● After laying out the power cord on the oor, be sure to always protect it. If the
power cord is left exposed, it can easily be damaged, resulting in electrical
shock.
● When using the product’s AC unit ground terminal,
use ground wire with a circular terminal as shown
in the illustration, and establish ground securely.
Avoid indiscriminant grounding operations such as
use of wire with only its sheath peeled off.
If grounding has been established with the ground wire inside the power cord,
do not perform grounding with the AC unit ground terminal. Conversely, if the AC
unit ground terminal has been used for grounding, do not establish ground with
the ground wire in the power cord. Otherwise there could be faulty or erroneous
operations.
6-16 CONNECTION OF POWER AND GROUND CABLES
Terminal width 12 mm
Hole diameter 6.4 mm
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