User Manual
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Siemens Synco™ living CE1C2740en
Building Technologies Commissioning the system 13.12.2010
Ventilation contacts 1 and 2
You can set the ventilation plant to a define stage using the ventilation con-
tacts. Two ventilation contacts are available. The plant operates at the defines
stage for as long as at least one of the two contacts is closed.
Specify if ventilation contacts are installed and from where the central apart-
ment unit receives their state.
Main menu > Commissioning > Extra configuration
> Ventilation > Inputs > Ventilation contact X:
--- Inactive – ventilation contacts not available
(factory setting).
Via RF/S-mode • Ventilation contact connected to universal input B of
an RRV91… heating circuit controller or to universal
input Xx of an RRV934 multi-controller.
• Ventilation contact connected to the external contact
input of a door/window contact wave AP 260.
• Ventilation contact signal received through S-mode
object via KNX TP1 *.
B (local) Ventilation contacts connected to universal input B of
the central apartment unit.
* Connection of the respective S-mode objects of the central apartment unit to the relevant S-mode de-
vices on KNX TP1 via commissioning tool (ETS).
HR bypass
The HR bypass is used to circumvent heat recovery of the ventilation plant if
not desired (e.g. when night cooling is active).
Specify if the HR bypass should be used and how it is controlled.
Main menu > Commissioning > Extra configuration
> Ventilation > Outputs > HR bypass:
--- Inactive – HR bypass not needed (factory setting).
Via RF HR bypass connected to the 3-position mixing valve
output (Q4/Q5) of an RRV934 multi-controller.
Meters
The values to be set in the extra configuration for each meter are described in
detail in the following sections.