Belimo CR24 Series, Product Information, Page: 17 / 32

Functions CR24-..
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Pr
oduct information S4-CR24-.. • en • v2.3 • 08.2022 • Subject t
o changes
Introduction CR24-B.. only
The control functions define the behavior of the controller outputs and influence the current
setpoint.
Both the level of comfort and the energy saving potential can be significantly enhanced by
installing suitable sensors on the input side.
Please refer to the table on page 3 for an overview of the functions of the three basic CR24-B..
types. These functions are described in detail below.
Operating status Heating setpoint Cooling setpoin
t
Comfort Basic setpoint W
H
± 3 K Setpoint adjustment
+ Setpoint shift 0...10 V
Comfort heating setpoint W
A
+ 1 K Dead band
Stand-by Comfort heating setpoint W
A
– 2 K Stand-by offset heating
Comfort heating setpoint W
A
+ 1 K Dead band
+ 3 K Stand-by offset cooling
Energy hold off Fixed 15°C (building protection) Fixed 40°C (building protection)
Frost Fixed 10°C Not relevant
Setpoint calculation
Examples Comfort Stand-by
Y
t
R
10
2
0
Energy hold off
Stand-by
Basic setpoint W
H
Cooling
Heating
±3 K Setpoing adjustment
Setpoint shift 0...10 V
Dead band Frost
Comfort heating setpoint W
A
VAV
Y
t
R
+1 K Dead band
23°C Comfort heating setpoint W
A
Y
t
R
+1 K Dead band
23°C Comfort heating setpoint W
A
+3 K Stand-b
y offse
t cooling
–2 K Stand-b
y offset h
eating