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3.1 Installation cautions
Refer to the information found in 1 Important Information
(Page 3) before installing the product.
CAUTION
R Always connect power cables to the appropriate
connection terminals. Incorrectly connecting the
power cables may damage the power supply unit.
R To prevent the power cables from disconnecting and
to prevent electric shock, secure the power cables
using the included cable binders and attach the cable
covers.
R If the wiring passes outdoors, use a conduit and a
surge protector.
R If the wiring passes underground, use a conduit, and
do not make any connections underground.
R Install the product securely adhering to the
instructions in this document to prevent it from falling
off the wall. Avoid installing onto low-strength walls,
such as gypsum board, ALC (autoclaved lightweight
concrete), concrete block, or veneer (less than
18 mm thick) walls.
3.2 Installing the power supply
unit
Required items
– Power supply unit
– Cable binders (included with power supply unit)
– Screws (included with power supply unit)
– Wires for AC and DC connection (user supplied)
See 3.2.4 Wire type and maximum wire length
(Page 9).
Installation location
R The device must be installed inside an electrical
panel or cabinet.
R A readily accessible disconnect device shall be
incorporated external to the equipment.
The external disconnect device must be certified, and
have a creepage and clearance distance of 3 mm or
more.
Installation methods
The following 2 methods can be used for installing the
power supply unit.
– mounting on a DIN rail (user supplied)
– attaching directly to a wall
3. Installation
7
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