Viessmann VITOCAL 300, Installation And Service Instructions Manual

Page: 91 / 160

Access
& " System settings "
& " Program "
& " Electric heating "
& "Threshold e-heating" (
P
/
Q
)
Standard setting 300 K · min
Setting range 10 to
30000 K · min
Maximum stage; electric heater
This setting defines the maximum out-
put (3 kW = stage 1, 6 kW = stage 2,
9 kW = stage 3) that is used to boost
the DHW and the heating water.
Access
& " System settings "
& " Program "
& " Electric heating "
& "max. level e-heating" (
l
/
m
)
Standard setting 3
Setting range 1 to 3
Power failure blocking time
Setting for the delay for re-enabling
the
electric heater after a power fail-
ure or power shut-off.
Note
The blocking time is also effective
after the system has been
manually
switched OFF and back ON again.
Access
&
" System settings "
&
" Program "
&
" Electric heating "
&
"Power OFF time" (
P
/
Q
)
Standard setting 0:00 h
Setting range 0:00 to
18:00 h
Failure OFF stage
Power setting for the electric heater
that is switched ON (after a delay)
after a power failure (see "Power fail-
ure blocking time", page 91). Output stages 1, 2 and 3 correspond
to a respective output of 3, 6 and
9 kW.
Electric heater threshold
(cont.)
91
Electric heater control settings
55
92
901
GB
Service