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8.3. CH PUMP
This algorithm is used to control CH pump. The following settings need to be configured properly:
Pump activation threshold - this option is used to
set the device activation temperature. Below this
temperature the device remains inactive; above this
value the device is enabled.
Hysteresis - the temperature difference between
device activation and its deactivation (e.g. when the
Activation temperature is set at 40°C and the
hysteresis value is 5°C, the device will be enabled
when the temperature reaches 40°C and it will be
disabled when the temperature drops to 35°C).
Sensor - This option is used to select the sensor
which will provide temperature data necessary for
controlling the device connected to additional
contact.
Room regulator – Once a room regulator or DHW tank is selected, the device connected to additional contact
will start operating when the selected room regulator or DHW tank reaches the pre-set temperature.
Example:
Part of the CH system is handled by buffer and pump. Pump is connected to additional contact and buffer temperature is
read
from
sens
or
T4
(CH).
The
pump
is
e
nabled
when
the
temperature
on
the
sensor
e
xceeds
<pump
activation
threshold> and it is
disabled when
the room temperature is
reached or when
T4 sensor
temperature drops below <pump
activation threshold>.
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