Operating Instructions

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Siemens RXB (KNX) Applications library CLC and RAD description of functions for CC-02 CM110384en_04
Building Technologies Control sequences 21 Sep 2010
8.3.2 Override the valve actuator
For test purposes, the following communication objects can be used to override chilled
ceiling and radiator valve actuators.
Heating surface valve override (input communication object)
Flags
R W C T U
Type Receive timeout Value
0 1 1 0 0 8.010
DPT_Percent_V16
No 0...100% 0 = 0%
+100 = +100%
+32767 = invalid
Cooling surface valve override (input communication object)
Flags
R W C T U
Type Receive timeout Value
0 1 1 0 0 8.010
DPT_Percent_V16
No 0...100% 0 = 0%
+100 = +100%
+32767 = invalid
Before the valve actuators can be overridden, Test mode must be activated via the
communication object
Application mode (see page 105).
The valve is operated in accordance with the settings shown below:
Heating
value
Cooling
value
Control
invalid invalid
-----
valid
invalid
Heating
invalid
valid
Cooling
valid valid
thermal actuators:
Heating and cooling alternately, with the
heating value.
Motorized actuators:
Heating and cooling valve driven to the
heating position.
KNX
R
CO
Note