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3. Installation
3.2.1 Connecting the AC wires and DC wires
1
Strip the ends of the wires that connect to the power
supply unit as shown below.
AC wires
45 mm
7 mm
2
Remove the cable cover screws and then remove the
cable covers.
B
A Screws
B Cable covers
3
Connect the AC wires to the AC IN terminals on the
top of the power supply unit, and then connect the DC
wires to the DC OUT terminals on the bottom of the
power supply unit.
Top view
(AC wires)
R For DC wires, the black wire is negative (-) and
the other colour wire is positive (+). Note the
colour of each DC wire and which terminal each
8
DC wires
25 mm
7 mm
A
Bottom view
(DC wires)
DC +
DC -
wire should be connected to, and insert the DC
wires as shown.
CAUTION
R Insert the power cables firmly all the way into the
terminals. If the cables are not inserted all the
way, heat may be generated.
4
Tighten the terminal screws to secure the AC and DC
wires (bare wire area) to the terminals, and then use
the cable binders to secure the AC and DC wires
(jacketed area) to the cable binder holes on the top
and bottom on the power supply unit.
A
C
B
A Terminal screws
B Cable binders connected to cable binder
holes
C To lobby station
D To AC power outlet
R Recommended torque:
– AC IN terminals: 0.5 N·m {5.1 kgf·cm}
– DC IN terminals: 0.45 N·m {4.6 kgf·cm}
5
Make sure to reattach the cable covers and then
securely fasten the cable cover screws.
B
D
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