Siemens Synco 900, Mounting And Commissioning

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Siemens Synco 900 CE1C2707en
Building Technologies Commissioning the system 05.07.2007
Main menu > Commissioning > Basic configuration > Inputs >
Summer operation:
Factory setting ---
Your setting ---
Via RF / S-Mode
B (local)
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 setting choices, refer to “Cooling mode“ on page 38 ff.
State whether an external H/C changeover contact is used and from
where the central apartment unit receives its status.
Setting Description
---
Inactive – H/C changeover contact not
installed
Via RF / S-Mode
•
H/C changeover contact connected to
universal input B of an RRV91… heating
circuit controller
•
H/C changeover signal of an S-Mode
object is received via KNX TP1 *
B (local) H/C changeover contact connected to uni-
versal input B of the central apartment unit
* The connection of the relevant S-Mode objects of the central apartment
unit to the relevant S-Mode devices on KNX TP1 is made with a commis-
sioning tool (ETS)
Main menu > Commissioning > Basic configuration > Inputs >
H/C changeover:
Factory setting ---
Your setting ---
Via RF / S-Mode
B (local)
For the cooling function to become active when the input
terminal closes, Parameter ”2-pipe heating / cooling system“
must be activated (setting ”Yes“, refer to page 38).