Installing the power supply
unit (VL-SVN511EX/FX
models only)
About the 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.
– External disconnect device must be certified
and have a creepage and clearance distance
of 3 mm or more.
Precautions for wiring
R
Make sure you turn off the power at the breaker
before performing any wiring work.
R
Always connect AC or DC cables to the
appropriate connection terminals. Incorrectly
connecting the AC or DC 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 cable binders (accessory) and
attach the cable covers.
How to connect the power cable (AC/DC):
Connect the power supply unit (accessory) and
AC/DC cables (locally procured).
C
B
C
A
A
45 mm
B
25 mm
C
7 mm
Front view
D
E
H I
G
F
*1
*1
I
F
AC cable
H
DC cable
*1 Do not connect the AC cable and DC cable
inversely. That would be a cause of
malfunctions.
Make sure that there are no bare wires
exposed outside the product.
Power supply unit (with cable covers
removed)
Top view
Bottom view
L
M
J
K
L
AC cable binder hole
M
DC cable binder hole
1
Strip the AC/DC cables as follows:
AC cable (
A
,
C
), DC cable (
B
,
C
)
2
Remove the screws (
D
) and then remove the
cable covers (
E
).
3
Connect the AC cable (
F
) to the AC IN
terminal (
J
)/DC cable (
H
) to the DC OUT
terminal (
K
) on the top and bottom of the
power supply unit, and then secure the wires
by tightening the screws (
G
).
R
Recommended torque:
– AC terminal: 0.5 N·m {5.1 kgf·cm}
– DC terminal: 0.45 N·m {4.6 kgf·cm}
CAUTION
Insert the cables firmly all the way into the
terminals. If the cables are not inserted all
the way, heat may be generated.
4
Use the cable binders (
I
) (accessory) to
secure the AC/DC cables (
F
) (
H
)
(double-coated area) to the power supply unit.
5
Make sure to replace the cable covers (
E
).
Attach to the DIN rail
Attach in the order described below so that hook
(
A
) is positioned at the bottom.
1
Hang hook (
B
) on the DIN rail (
C
).
2
Pull and hold the lever down (
D
).
3
Secure hook (
A
) to the DIN rail (
E
).
B
C
E
D
A
12
