36 / 244   
Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Functions  01.02.2010 
Parameter  Range  Function 
 
–  Eco St2 
 
–  Comf St2 
–   
–  Eco St3 
 
–  Comf St3 
ing setpoint stage 1 for analog controlled plants). 
–  Plant operating in Economy at stage 2 (using 
setpoint stage 2 for analog controlled plants). 
–  Plant operating in Comfort mode at stage 2 (us-
ing setpoint stage 2 for analog controlled plants). 
–  Plant operating in Economy at stage 3 (using 
setpoint stage 3 for analog controlled plants). 
–  Plant operating in Comfort mode at stage 3 (us-
ing setpoint stage 3 for analog controlled plants). 
Time switch program 
–  Off 
–  Stage 1…Stage 3 
Displays current command for time switch catalog 
(for Tsp function = Steps only). 
Jumps to page to parameterize time switch catalog. 
Time switch program 
–  Off 
–  Eco 
–  Comf 
Displays present command for time switch catalog. 
(for Tsp function = Steps+Tmp only). 
Jumps to page to parameterize time switch catalog. 
From BACS 
 
 
 
 
–  Auto 
 
 
–  Off 
–  Stage 1 
 
–  Stage 2 
 
–  Stage 3 
 
 
 
 
–  Auto 
 
–  Off 
–  Eco St1 
 
–  Comf St1 
 
–  Eco St2 
 
–  Comf St2 
 
–  Eco St3 
 
–  Comf St3 
Displays plant command from BMS (for TspFunc-
tion <> Steps+Tmp only). The value may also be 
operated using HMI even when communication not 
connected. 
–  Auto mode: Time switch catalog, night cooling, 
etc., can switch on the plant. 
–  Plant off. 
–  Plant operating in stage 1 (using setpoint stage 1 
for analog controlled plants). 
–  Plant operating in stage 2 (using setpoint stage 2 
for analog controlled plants). 
–  Plant operating in stage 3 (using setpoint stage 3 
for analog controlled plants). 
Displays plant command from BMS (for TspFunc-
tion = Steps+Tmp only). The value may also be 
operated using HMI even when communication not 
connected. 
–  Auto mode: Time switch catalog, night cooling, 
etc., can switch on the plant. 
–  Plant off. 
–  Plant operating in Economy at stage 1 (using 
setpoint stage 1 for analog controlled plants). 
–  Plant operating in Comfort mode at stage 1 (us-
ing setpoint stage 1 for analog controlled plants). 
–  Plant operating in Economy at stage 2 (using 
setpoint stage 2 for analog controlled plants). 
–  Plant operating in Comfort mode at stage 2 (us-
ing setpoint stage 2 for analog controlled plants). 
–  Plant operating in Economy at stage 3 (using 
setpoint stage 3 for analog controlled plants). 
Plant operating in Comfort mode at stage 3 (using 
setpoint stage 3 for analog controlled plants). 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 36