Start Optimisation Dhw - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

DHW control settings
Hysteresis/Hysteresis booster heater
A Set DHW temperature
B Heat pump switching hysteresis
("Hysteresis")
C Instantaneous heating water heater
switching hysteresis ("Hyst. boos-
ter heater")
D Actual DHW temperature at the
upper cylinder temperature sensor
E Heat pump control state
F Instantaneous heating water heater
control state
G OFF
H ON

Start optimisation DHW

Parameter
■ 6009
Stop optimisation DHW
Parameter
■ 600A
148
(cont.)
Note
The value selected for "Hysteresis"
should be higher than the expected tem-
perature drop due to heat losses in a sin-
gle night (approx. 5 K).
A lower value for "Hyst. booster
heater" increases the proportion of elec-
t
trical DHW heating, i.e. the system effi-
ciency drops.
Access
■ "Device settings"
■ "Programming"
■ "DHW"
■ y to"Hysteresis"
or
y to"Hyst. booster heater"
■ 5 or %
Hysteresis
Standard setting
Setting range
Hysteresis booster heater
Standard setting
Setting range
Operating instructions
Operating instructions
7,0 K
1,0 to 10,0 K
10,0 K
2,0 to 30,0 K