19
EN
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8. Safety instructions for the electrical
connection
WARNING!
WARNING!
Short-circuiting, caused when the DuoFern Tubular Motor
Actuator 9471-1 is overloaded, poses a danger to life.
◆
The maximum switching capacity must not be exceeded.
Please observe the details in the “Technical Specifications”,
see page 15.
ATTENTION!
A defective antenna can lead to malfunctions or failure of
the DuoFern Tubular Motor Actuator 9471- 1.
◆
The antenna lead must not be shortened and damaged.
8.1 Important information regarding the electrical
connection
Connection instructions for operating with
an external roller shutter switch / button on site
◆
It is imperative that a locking roller shutter switch / button
is used in order to avoid increased current consumption and
excessive heat build-up.
◆
When using the control input
[
s
E
t
]
, you must connect the
external roller shutter switch / button and the DuoFern Tubular
Motor Actuator 9471-1 to the same phase
[ L ]
.
◆
The maximum length of lead to connect an external roller
shutter switch / button must not exceed 10 m.
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