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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Communication  01.02.2010 
9.5  Room units 
 
A process interface to connect room units is always available on the basis control-
ler POL636.xxx. The application is designed for a maximum of 2 room units. 
 
 
9.5.1  Commission room unit 
 
Participating devices 
−  Climatix POL 636 controller. 
−  Climatix POL 822.60 room unit. 
 
Requirement for commissioning room units: 
–  Commission of the SAPRO application is completed a constellation with room 
unit is selected in the System Parameter > Configuration 1 under Room tmp 
sensor (you can also select is in the menu Main index > Integrations > Room 
unit) . 
–  Level 4 (password 2000). 
–  Mapping file (OBH.bin) is loaded. 
 
Step  Action 
1 
Select a constellation with room unit in the menu System Parameter > 
Configuration 1 under Room tmp sensor. 
2  Configure additional settings as required. 
 
See as well Section 4.5 Room units. 
 
Main Index > Integrations  
Parameter  Range  Function 
Energy meter EM24  −  No 
−  Yes 
No energy meter selected. 
Settings    Go to page with all settings relevant to parame-
terizing energy. 
Inputs    Go to page with inputs. 
Room units  −  1 sensor 
−  2 sensors 
−  1 RU 
−  1snsr+ RU 
−  2 RU 
Inputs for room temperature sensor. You can 
select whether to apply maximum, minimum, 
average or individual value for control for more 
than one sensor in Configuration 2. When select-
ing 1 RU, 1snsr+RU or 2 RU, the interface to the 
room unit connection is enabled. 
Settings    Goes to page with all settings relevant to param-
eterizing room units. 
Inputs    Go to page with temperature inputs. 
Reset required !! 
−   
−  Execute 
As a matter of principle, the controller must be 
set after parameterization to assume the data. 
 
 
 
 
Devices 
Prerequisites 
Commission room 
units 
 
Note 
Parameter 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
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