used by the primary controller. Nevertheless, if the Priority for external demand function is
activated, the external demand is also processed during storage tank charging.
Function
WE Configuration
Priority for external demand 0 CO4 -> F16 - 1
7.12.2 Sending and receiving outdoor temperatures
Controllers equipped with one (two) outdoor sensor(s) can be configured to supply other
controllers with the measured outdoor temperature(s) over the device bus. This enables
weather-compensated control even in systems which do not have their own outdoor sensor.
Functions
WE Configuration
Device bus 0 CO7 -> F01 - 1; device bus address
Send value AF1 0
1
CO7 -> F06 - 1
Register no. / 1 to 4
Receive value AF1 0
1
CO7 -> F07 - 1
Register no. / 1 to 4
Send value AF2 0
2
CO7 -> F08 - 1
Register no. / 1 to 4
Receive value AF2 (receive an out-
door temp. independent of Rk1)
0
2
CO7 -> F09 - 1
Register no. / 2 to 4
Note: The register no. for the outdoor temperature AF1 or AF2 must be the same for the
sending and the receiving controller.
7.12.3 Synchronizing the clock
One controller in a system of linked controllers should perform the Clock synchronization
function. This controller sends its system time once every 24 hours to all other controllers over
the device bus.
Regardless of this function, the system time of all controllers is adapted immediately when the
time setting of one controller is changed.
Functions
WE Configuration
Device bus 0 CO7 -> F01 - 1; device bus address
Clock synchronization 0 CO7 -> F02 - 1
EB 5579 EN 107
System-wide functions
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