Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 90 / 160

Determines the maximum flow tem-
perature provided by the electric hea-
ter.
Access
& " System settings "
& " Program "
& " Electric heating "
& "max. flow temp." (
1
/
!
)
Standard setting 65 °C
Setting range 5 to 75 °C
Heater rod delay
Adjustment of the time during which
the electric heating is
not switched
ON after changing the operating
mode (reduced/standard).
Access
& " System settings "
& " Program "
& " Electric heating "
& "Idle time heat. rod" (
P
/
Q
)
Standard setting 0:30 h
Setting range 0:00 to 5:00 h
Electric heater threshold
This setting determines, after what
"value" (integral comprising the dura-
tion and level of a temperature devia-
tion from the set control temperature)
the electric heating is switched ON.
Brief temperature deviations will not
cause the electric heating to be
switched ON.
A
Set control temperature
B
Actual temperature
C
"Hysteresis flow" (see page 94)
D
"Value" (integral comprising the
duration and level of a tempera-
ture deviation)
Maximum flow temperature
90
Electric heater control settings
55
92
901
GB