141
17 - DOMESTIC HOT WATER 2
16-04 DHW 1
DHW
hysteresis
( 13) 13°
• Hysteresis of the hot water tank
If the temperature of the hot water tank falls below its
preset value by the amount of the hysteresis, the hot
water heating pump or system will start. (1 - 30 °C)
16-05 Priority DHW
no
yes
• Priority switching for the hot water tank
Activate the priority for the hot water tank.
16-06 DHW 1
Reduced temperature
for
hot water priority
( 40) 40°
• Supply temperature for the hot water tank
If priority for the hot water tank has been activated, the
heating circuits are reduced to the preset supply tempe-
rature while the hot water is heated. (1 - 45 °C)
16-07 DHW 1
Continuous
Hot water priority
( 1.0) 1.0h
• Time period for the hot water tank priority
Set the duration of priority for the hot water tank.
(1.0 - 10.0 h)
16-08 Anti-legionella
no
yes
• Program to protect from Legionnaire's disease
Activate the Legionnaire's disease protection program.
16-09 DHW 1
Temperature
Protection from
Legionnaire's disease
( 75) 75°
• Temperature of Legionnaire's protection program
Set the target temperature for the activated program to
protect against Legionnaire's disease.
(40 - 90 °C)
16-10 DHW 1
Enabling temperature
DHW pump
( 40) 40°
• Enable temperature for the hot water pump
If the boiler temperature (without accumulator) or the
“Acc. top” temperature (with accumulator) is above the
preset value, the hot water pump is enabled. (20 - 100 °C)
No. Display Description
Table 6/13 - System level / 16 - Domestic hot water 1
The parameter group 17-DHW 2 is only available if an additional
hot water tank is installed.
The layout of the parameter structure in service level 17-DHW 2 is
identical to service level 16-DHW 1.
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