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29
Installation Manual
for VRC 400 weather compensator
Installation 9
air, unhindered by furniture, curtains or
other objects. In the room where the
controller is installed, all radiator valves
must be fully open when using room
modulation.
The connection to the boiler is a 2-core
bus cable (eBus), see fig. 10.1.
• Pull the weather compensator (
1
) out
of the mounting box (
5
).
• Drill two holes (
3
) of 6 mm diameter
(as shown in fig. 9.1) and put in the sup-
plied wall plugs.
• Thread the connection cable through
the duct (
4
).
• Fix the mounting box to the wall with
the two screws provided.
i
F
P
1
3
5
4
2
Fig 9.1 Mounting the controller