Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 182

Parameter group system definition
7013 Duration of external operating status...
Example:
A
A
7014 External demand mixer "OPEN"
"External demand mixer "OPEN" 7014"
Setting for the way the signal "External
demand" is to affect the heat pump and
the heating circuits (signal active when
the contact is closed; see overview of
PCBs from page 220).
182
B
8 h
B
8 h
A
B
8 h
(cont.)
The diagram shows the duration of the
external changeover B, subject to sig-
nal duration A, with parameter "Dura-
tion of operating mode changeover
7013" set to 8 h (delivered condition).
The external operating status change-
over is enabled for at least 8 h (delivered
condition), independently of the length of
the signal. If the signal lasts for longer
than 8 h, the external operating status
changeover remains enabled for as long
as the signal is present.
Valu Duration
e
"0" Changeover is only carried out as
long as signal "External
demand" is available.
"1" to "12"
Duration of the operating status
changeover in hours, starting with
the activation of the external
operating mode changeover.
Delivered condition
Setting range
8 h
0 to 12 h