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L1023004-D – User manual for Duco's ventilation systems
2C. Alternative control methods
3-position switch
If, in addition to one or more of Duco's User controllers, your ventilation system is also equipped with a 3-position switch
(through Perilex) the last operation on any controller will always take precedence. The ventilation position on the 3-position
switch can therefore be overruled by another User controller, such that an incorrect ventilation position will be visible on the
3-position switch.
The Duco User controller (with wired supply) always indicates the correct ventilation setting.
high setting
medium setting
low setting
Building management system / home automation / etc.
Your system may be linked to an external system. Please refer to your installer if the ventilation system requires to be oper-
ated via this method.
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