When selecting the item
Turned off
, the heat pump and the electric heater will not be switched on.
The solar system continues to operate normally to prevent overheating of the solar collector. The
normal functioning of the protection modes also continues: protection against freezing of the water
tank and solar collector and overheating protection of the solar collector by automatic activation of the
mode
Vacation
for discharge of accumulated energy.
When selecting the item
Turned On
, all permitted heat sources will be activated (see the "
Heat
source"
menu) if the corresponding heat transfer conditions are met.
The heat transfer conditions are as follows:
For the
solar collector
installation: Δt1 is the difference between the collector temperature (t3)t1 is the difference between the collector temperature (t3)
and the temperature at the bottom of the boiler (t1). The circulation pump of the solar
installation will be switched on if Δt1 is the difference between the collector temperature (t3)t1 is greater than setting of item "
Solar
∆
t1
", column "
On
"
in the menu "
Pump Management
". The pump will work until
Δt1t1
becomes less than or equal
to the temperature range set to the same row in the column "
Off
". When this pump is running,
the circulation pump on the display of the solar installation will rotate
WARNING!
To protect the water tank from overheating, the circulation pump of the solar will
shut off when the temperature measured by the upper sensor becomes exceeds 85 ° C!
For the
heat pump
: The heat pump works until it reaches the set temperature or the maximum
allowed for the heat pump, if it is higher, in this case the heating is done with the electric
heater. The heat pump will switch on again when the temperature drops by at least 5 ° C
below the set temperature
For the
electric heater
: It has the lowest priority and is only used when the desired
temperature can not be achieved with other heat sources, for example at a set temperature
above the heat pump maximum allowable, or if there is another problem with the heat pump
operation. The electric heater runs until the set temperature is reached at the bottom of the
boiler, then switches on again when the temperature drops by at least 5 ° C below the set
temperature
If you press and hold the ▲ button for more than 2 seconds, the "
Enhanced Heating
"
mode will be activated, where the heat pump and the heater operate simultaneously until
the set temperature is reached, then the mode is switched off
if the time interval of the menu "
Timers 1/2
" is activated, then the heater will switch on if
the water temperature measured by "Sensor 1" (installed at the bottom of the water heater)
is lower than the set temperature for this time interval minus 5 ° C. Switching off will occur
when the set temperature is reached for the same time interval.
When a time interval is activated, in the field
Timers
of the screen
Information
, you can see
what action will be performed Start or Stop and the time and day of the week when that will
happen.
When the electric heater is switched on, the heater in the water heater on the screen will turn
red and animated moving bubbles will appear over it.
When selecting differential temperatures for turning the circulator pump on and off, it is good to keep
in mind the following:
the temperature difference for switching off the pump should be greater than 5 ° C,
because at a lesser difference, the pump will work too long as the heat exchangers begin
to give heat less efficiently. In addition, there may be losses and lowering of temperature
from the sensor point in the solar collector to the boiler, which further reduces the
differential difference at the heat exchanger.
Temperature difference for the switch-on must be such as to compensate for the heat loss
between the solar collector and the heat exchanger and be sufficiently bigger than the
temperature difference for switching off
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