ABB i-bus KNX Product Manual page 45

Function block RTC —
RTC — Control of
additional cooling stage
Function block RTC —
RTC — Additional
cooling stage
Function block RTC —
RTC — Basic load
settings
Function block RTC —
RTC — Combined
heating and cooling
mode
Function block RTC —
RTC — Setpoint settings
Product manual 2CKA001473B9482
Description of application and parameters
Min. control value for basic load (0 to 255)
Control value type
Cooling type
P-component (x 0.1°C)
I-component (min)
Temperature difference to basic stage (x
0.1°C)
Advanced settings
Mode of control value
Hysteresis (x 0.1°C)
Control value difference for sending of
cooling control value
Cyclic sending of the control value (min)
Max. control value (0 to 255)
Min. control value for basic load (0 to 255)
Min. control value for basic load > 0
Basic load active when controller is off
Heating/cooling switchover
Operating mode after reset
Heating and cooling control value output
Additional heating and cooling stage control
value output
Set value for heating comfort = set value for
cooling comfort
Hysteresis for switchover heating/cooling (x
0.1°C)
Setpoint temperature for heating and cooling
comfort (°C)
Set-point temperature for heating comfort
(°C)
Reduction for standby heating (°C)
Reduction for Eco heating (°C)
Setpoint temperature for frost protection (°C)
Setpoint temperature for cooling comfort (°C)
Increase for cooling standby (°C)
Increase for eco cooling (°C)
Overview of functions
0 - 255
2-point 1 bit, on/off /
2-point 1 byte, 0/100% /
PI continuous, 0-100% /
PI PWM, on/off / fan coil
Area (e.g. cooling ceiling)
5°C 240 min / free
configuration / fan coil 4°C
90 min / free configuration
Setting dependent on
"Control value type"
10 - 100
0 - 255
0 - 255
No / yes
Normal / inverse
3 - 255
2% / 5% / 10% / send cyclic
only
1 - 60
0 - 255
0 - 255
Always activate / activate via
object
No / yes
Automatic / only for object /
local/via extension unit and
via object
Cooling / heating
Via 1 object /
via 2 objects
Via 1 object /
via 2 objects
No / yes
5 - 100
10 - 40
10 - 40
0 - 15
0 - 15
5 - 15
10 - 40
0 - 15
0 - 15
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