22
PROTECTION FROM
L
EGIONNAIRE'S DISEASE
If protection from Legionnaire's disease is activated, the hot water
will be heated up once weekly to this specified temperature.
C
ONTROL OF THE SOLAR
HEATING SYSTEM
Depending on the hydraulic system, three different types of
control of the solar heating system are possible:
• The solar heating system heats the hot water tank
• The solar heating system heats the combination buffer tank
• The solar heating system heats both the hot water and buffer
tanks
With the solar heating parameter you can choose between
• none
• hot water tank
• combination buffer tank
• hot water tank / buffer tank
N
O SOLAR HEATING This setting can be selected if a solar heating system is to be installed
at a later point. No commands are sent to the solar heating pump
and sensors are ignored.
S
OLAR HEATING OF THE HOT
WATER TANK
The solar heating pump is driven at a controlled speed, taking into
account the temperature difference Collector temp. to hot
water tank lower sensor.
The temperature of the solar collector must exceed the Hot water
lower sensor temperature by the solar hysteresis value for solar
heating to start. The heating of the hot water by the solar heating
system can be limited by setting a maximum temperature.
S
OLAR HEATING OF THE
COMBINATION BUFFER TANK
The solar heating pump is driven at a controlled speed, taking into
account the temperature difference Collector temp. to
buffer tank lower sensor.
The temperature of the solar collector must exceed the Buffer
tank lower sensor temperature by the amount of the solar
hysteresis for solar heating to start. The heating of the hot water by
the solar heating system can be limited by setting a maximum
temperature.
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