Setpoint preselection
The following diagrams illustrate the different setpoint preselections for non-
changeover and changeover systems:
100 %
28 °C
21 °C
24 °C
19 °C
60 °C
40 °C
10 °C
6 °C
6 °C 60 °C
21 °C 24 °C
100 %
0 %
0 %
TR
TW
SETHEAT
SETHEAT
SETCOOL
SETCOOL
SETCOOL
SETCOOL
SETHEAT
SETHEAT
3101D22en
Sequence controller
Indirect
Heating
Direct
Cooling
Sequence controller
Indirect
Heating
Direct
Cooling
Non-changeover system:
Changeover system with basic type U:
Heating setpoints less than cooling setpoints
e.g. room temperature control
Heating setpoints greater than cooling
e.g. supply temperature control
Economy cooling setpoint
Economy heating setpoint
Comfort cooling setpoint
Comfort heating setpoint
Comfort heating setpoint
Economy heating setpoint
Economy cooling setpoint
Comfort cooling setpoint
Refer to the corresponding setting values on the following page (factory settings).
Economy setpoints are only adjustable if an input has been defined for operating
mode changeover.
Note on Economy
setpoints
The following functions can have an influence on setpoints:
Influences on the
setpoints
• Universal setpoint compensation (refer to section 9.10)
• Remote setpoint, absolute (refer to section 7.4)
Sequence controller 2 always operates in the same mode as sequence controller
1, but it has no changeover functionality.
Basic type U,
controller 2
111 / 174
Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Controller (CTLOOP x) 29.08.2008
To Next Page
Loading...
