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26
EN
8.2 Important information regarding the
electrical connection
i
Connection instructions for operating with
an external switch / button on site
◆
The voltage applied to the external input
[ E ]
is internally
decoupled and may also come from a phase other than
[ L
]
if required.
◆
The maximum length of lead to connect an external button
must not exceed 10 m.
Minimum length of insulation stripped:
9 mm
All leads must be stripped to 9 mm.
Further installation instructions
◆
In order to ensure optimal operation, the DuoFern 1-10V
Controller should not be installed on a metallic base or near
metal objects.
◆
The DuoFern 1-10V Controller is intended for flush mounting.
We recommend installation in a deep 58 mm flush-mounted
box or in an electronic socket.