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10.3 Control cable preparations,
network
Danger to life from electric
shock.
DANGER
 Switch off the mains fuse at
the fuse box when carrying out
any work on the ventilation
unit’s electrical equipment.
 Position a visible warning
notice to avoid the unit being
accidentally switched back on.
 See Chapter 10.8 for details of the
electrical connections of the ventilation
unit(s) and room air control(s).
 Install recessed-mounted boxes for UP
room air control(s). These should be
supplied by the customer.
Networking example
54
 Lay the control cables, if possible in empty
ducting, to the locations where the
ventilation unit(s) and room air control(s)
are to be installed.
 Lay the power cable to the location(s)
where the ventilation unit(s) are to be
installed.
Construction of a network
● Suitable installation locations for room air
control(s) are, for example, central
positions in the room(s) to be ventilated.
Observe the maximum cable length of 50
m for the whole network.
● Up to 9 ventilation units and up to 4 room
air controls of one type can be networked,
● Only original accessories, such as WRG
35-AAD junction boxes,
WRG 35 TAK 5 control cables or WRG 35
TAK 10 should be used.