16
∆
T
Control mode
5K
10K
20K
0 K
0 V
0 V
0 V
1 K
2 V
1 V
0,5 V
2 K
4 V
2 V
1 V
3 K
6 V
3 V
1,5 V
4 K
8 V
4 V
2 V
5 K
10 V
5 V
2,5 V
6 K
10 V
6 V
3 V
7 K
10 V
7 V
3,5 V
8 K
10 V
8 V
4 V
9 K
10 V
9 V
4,5 V
10 K
10 V
10 V
5 V
15 K
10 V
10 V
7,5 V
20 K
10 V
10 V
10 V
∆
T
= difference between the preset
temperature of the heat source and measured
at the sensor H1-S.
10
Controller functions
Information
The information menu allows you to view the
temperatures and allows you to check which
devices are currently turned on.
Frost protection mode
Frost protection mode is applicable
only to active controller work
modes
Off
or
Auto-Eco
. In
Auto-
eco
mode, this function is executed
only when heating circuit is turned
OFF.
Description of a frost protection mode
against the external temperature sensor
readings
.
•
Direct circuit (H1)
After an external temperature drop below
3°C, the time is expected in the parameter
Frost protection - delay
e.g. 4 hours. If after
this time the external temperature is still
under 3°C, a direct he
ating circuit pump will
be activated for 30 minutes, then the
circulation water temperature will be checked.
If the water temperature in the circuit is lower
than 7°C, the controller will maintain the frost
protection setpoint temperature and display a
prompt on the display.
•
Adjustable circuits (H2, H3)
After an external temperature drop below
3°C, the time is expected in the parameter
Frost protection - delay
e.g. 4 hours. If after
this time the external temperature is still
under 3°C, a direct heating ci
rcuit pump will
be activated for 15 minutes, then the
circulation water temperature will be checked.
If it is higher than 7°C, the pump will stop. If
it is lower than 7°C, the pump operation will
not be interrupted and the regulator will start
to maintain the frost protection setpoint
temperature and will display a warning
message on the display.
Do not disconnect or leave the
controller in STAND-BY mode
without frost protection functions
active within a freezing hazard
period.
If heating circuits have to be off during this
period, activate
Off
or
Auto-eco
mode for
heating circuits and DHW tank instead of
turning the controller off.
Description of the frost protection mode
for DHW tank
.
After the DHW tank sensor temperature drops
below 5°C,
DHW tank will be loaded up to a
Minimum temperature
value.
Do not disconnect the controller
within a freezing hazard period.
Solar
The controller operates a basic solar system
which loads the DHW tank. Solar system
operation requires additional temperature
sensors. No additional module is required.
Information concerning condition of the solar
system can be found in the menu:
Information
→
Solar
or on the last screen of the display which can
be accessed by clicking an arrow .
Optimize preparation of DHW in
order to take a full advantage of
heat gains from the solar panel.
Preparation of DHW can be optimized by
appropriate programming of time program for
DHW tank. Set DHW tank work mode to
Auto
.
Define time program for DHW tank in such
way to set insolation periods as “
NIGHT
”. Due
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