Viessmann Vitocal 300-G BW, Installation And Service Instructions Manual

Page: 147 / 216

147
Danger
DHW with temperatures in
excess of 60 ºC can cause
scalding.
To limit the temperature to 60 °C,
install a mixing device, e.g. an
automatic thermostatic mixing
valve (DHW cylinder accessory).
Access
■ " Device settings "
■ " Programming "
■ " DHW "
■ y
to "Max. temp."
■ T
or
U
Standard setting 60 °C
Setting range 20 to 80 °C
Hysteresis/Hysteresis booster heater
Parameter
■ 6007
Hysteresis
Relative to heating by heat pump.
Parameter
■ 6008
Hysteresis booster heater
Relative to heating with an instantane-
ous water heater, an external heat
source or an electric immersion heater
EHE (DHW cylinder accessories).
These settings determine the deviation
from the set DHW cylinder temperature
("
DHW cylinder temp. ") at which the
cylinder heating is switched on and off by
the heat pump ("
Hysteresis ").
If an additional booster heater is also
installed, the "
Hyst. booster heater "
parameter is also relevant.
DHW control settings
Max. temperature
(cont.)
5368 522 UAE
Service