Fig. 53; Bit; Operating Status For External Changeover - Viessmann VITOTRONIC 200 Service Instructions Manual

7011 System components for external changeover

Bit

Meaning
"Bit 4" Never adjust
"Bit 5" DHW heating
"Bit 6" Buffer cylinder
"Bit 7" Connected ventilation unit

7012 Operating status for external changeover

Selecting the operating status to be switched to via
external changeover.
Value Operating status (see operating instructions)
Heating/cooling
"0" No heating, only frost protection for the selected system components
"1" "Reduced"
"2" "Standard"
"3" "Fixd value": Set flow tem-
perature is "Max. flow tem-
perature heating circuit
200E".
Note
If "Bit 7" is set under "System components for
external changeover 7011": The ventilation level that
is to be activated externally is specified with "Effect of
OM changeover to ventilation 701F".
7013 Duration of external changeover
Minimum duration of external changeover of the oper-
ating status. The operating status is changed over as
soon as the switching contact is closed (signal
present).
Parameter group System definition
!
(cont.)
The setting value results from the combination of se-
lected bits.
!
DHW
"Top"
"Standard"
"Temp. 2": Heating to "Set
DHW temperature 2 600C"
!
Example: Value for the changeover duration
(delivered condition)

Fig. 53

Buffer cylinder
"Top"
"Standard"
"Fixd value": Heating to
"Temp in operating status
fixed value for buffer cyl
7202"
A
B
8 h
A
B
8 h
8 h
B
201