Commissioning Instructions

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Siemens Synco™ living CE1C2740en
Building Technologies Commissioning the system 13.12.2010
Cooling enable
Cooling is enabled by closing the contact, or disabled when the contact opens.
Specify if an external cooling enable contact is used and from where the cen-
tral apartment unit receives its status.
Main menu > Commissioning > Basic configuration
> Inputs > Cooling enable:
--- Inactive – cooling enable contact not available
(factory setting).
Via RF/S-mode • Cooling enable contact connected to universal input
B of an RRV91… heating circuit controller or uni-
versal input Xx of an RRV934 multi-controller.
• Cooling enable signal received through S-mode ob-
ject via KNX TP1 *.
B (local) Cooling enable contact 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).
Heating/cooling changeover
When the respective input terminal closes its contact, the system switches
from heating mode to cooling mode. When the contact opens, changeover
from cooling mode to heating mode takes place.
For additional settings, see page 49 ff.
Specify if an ex
ternal H/C changeover contact is used and from where the
central apartment unit receives its status.
Main menu > Commissioning > Basic configuration
> Inputs > H/C changeover:
--- Inactive – H/C changeover contact not installed
(factory setting).
Via RF/S-mode • H/C changeover contact connected to universal in-
put B of an RRV91… heating circuit controller or to
universal input Xx of an RRV934 multi-controller.
• H/C changeover signal of an S-mode object is re-
ceived via KNX TP1 *.
B (local) H/C changeover contact 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).
For the cooling function to become active when the input terminal
closes, parameter ”2-pipe heating/cooling system“ must be activated
(setting ”Yes“, see page 49).