Solar bypass
Variant
In this menu, you can set if the flow is guided through the bypass with a pump or a valve.
Bypass sensor
The reference sensor for the bypass function to be placed in the flow is selected in this menu.
Thermostat
Through the thermostat function, additional energy can be added to the system while being time and temperature controlled.
Temperature values which are set too high can lead to scalding or damage to the system. Scalding protection must be
provided by the customer!
Other values, for example, T eco, apply in economy mode.
Thermostat
Tset
The target temperature of the thermostat sensor 1. Below this temperature, the thermostat turns on until Tref + Hysteresis is
reached.
Hysteresis
Hysteresis of set point temperature.
Thermostat sensor 1
TH Set is measured at thermostat sensor 1. With a connected thermostat sensor 2, the relay switches on if “TH Ref” at thermostat
sensor 1 is undershot and off if “TH Ref” + hysteresis is exceeded at thermostat sensor 2.
Thermostat sensor 2
Optional switch off sensor
If “TH target” + hysteresis is exceeded on thermostat sensor 2, the relay will be shut down.
T eco
T Set for energy saving mode
If the energy saving mode (see " Energy Saving Mode " on page 22) is on: During a solar charge, instead of “TH reference”, this
set value “T eco” will be used as the reference value. When the temperature drops below T eco at thermostat sensor 1, the relay
is switched on and heats up to “T eco” + hysteresis.
Energy Saving Mode
The Energy Saving Mode switches the heating on when “T eco on” is undershot and heats up to “T eco” + hysteresis when solar
charge or solid fuel boiler is active.
Thermostat enable
Thermostat activity times
Here the desired periods are set in which the thermostat function is approved. For each weekday, three times can be specified,
furthermore, you can copy individual day to other days. The thermostat function is shut down outside of the set times.
Cooling
This function is used e.g. to cool down storages to a setpoint temperature in which heat is dissipated.
Tset
The target temperature of the thermostat sensor 1. Above this temperature, the cooling is activated until Tset + hysteresis is
achieved.
Hysteresis
When the temperature at the cooling sensor Tset + Hys, the relay is switched off.
Cooling sensor
Reference sensor of the cooling function.
22
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