Ff Send Time - Viessmann VITOTRONIC 200 Service Instructions Manual

Parameter group Communication
77FE Source time
!
Value Meaning
"1" The heat pump control unit receives the time
from another LON subscriber with the same
system number ("LON system number
7798").
Note
Only one subscriber within a system in LON
may send the time.

77FF Send time

!
The heat pump control unit can transmit this value to
other LON subscribers to ensure that all LON subscrib-
ers use the same time.
Note
Only one subscriber within a system in LON may send
the time.
276
(cont.)
Value Meaning
"2" The heat pump control unit receives the time
from an external device via KM BUS, e.g.
wireless base station.
"3" The heat pump control unit receives the time
via radio clock receiver (accessory, connec-
tion to controller and sensor PCB).
Value Meaning
"0" Time is not sent.
"1" The heat pump control unit transmits the time
in LON. All LON subscribers with the same
system number can receive this value ("LON
system number 7798").