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Siemens
RXB (KNX) Applications library
CLC and RAD description of functions for CC-02 CM110384en_03
Building Technologies
General / central functions
28 Feb 2009
Normal operation
TR
103
85D
26
SpFr
SpH
Prt
Emergency Heat
The following condition must be fulfilled:
– The building temperature must be below the
Risk of frost limit
.
The function CANNOT be disabled in the room controller with ETS3.
The function must be enabled via the building automation and control system
(communication object
Application mode
, see page 105).
– The function is disabled via the building automation and control system.
– When the room temperature rises above the
Protection
setpoint.
10.12 Free cooling (Freecool, 10)
This function is used to cool rooms to the
Comfort
cooling setpoint prior to actual
occupancy. The chilled ceiling is used actively.
This is meaningful, however, only if cheap low-tariff energy is available.
During occupancy (room operating modes
Comfort / Precomfort
) normal mode applies.
100
TR
103
84
D
28
0
Y [%]
SpH
Cmf
SpC
Cmf
The function can be disabled in the room controller via ETS3, together with precooling;
see central functions on page 100.
The function must be enabled via the building automation and control system
(communication object
Application mode
, see page 105).
The function is disabled via the building automation and control system.
Enable function
Start function
Terminate function
Enable function
Start function
Terminate function