ABB i-bus KNX Product Manual page 31

5.2.3 C alculating the set value
3 7 B
5.2.3.1 S et value calculation in heating operation
5 4 B
See also: B asic set value and current set value
H U
current set value for heating
Operating mode
Comfort
Standby
Night
Frost/heat
protection
Example:
Heating in the comfort operating mode.
Parameter page
Set values
Operation
The set value has previously been increased by 1 K using the setting wheel.
Calculation:
Current set value
If the device is changed to standby mode, the
follows:
Current set value = basic set value + set value shift – drop in standby mode
Current set value
B asic set value +/- set value shift
H U U H
Basic set value +/- set value shift – drop in standby mode
Basic set value +/- set value shift – drop in night mode
parameterised set value for frost protection mode
Parameters
Basic set value after reset
Drop in standby mode
(with heating)
Max. set value shift on the
setting wheel
= Basic set value + set value shift
= 21°C + 1K
= 22°C
= 21°C + 1K – 2K
= 20°C
U
Setting
21 °C
2 K
+/- 2 K
c urrent set value is calculated as
H U U H
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