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The specified percentages are variables, which may deviate more or less strongly depending on the system, pump and pump
level. 100% is the maximum possible power of the controller.
Min. Speed
The minimum speed of the pump is determined here. During the setting, the pump runs in the respective speed and the flow can be
determined.
The specified percentages are variables, which may deviate more or less strongly depending on the system, pump and pump
level. 100% is the maximum possible power of the controller.
Setpoint
This value is the control setpoint. If this value is below at the sensor, the speed is reduced. When it is exceeded, the speed is increased.
Setpoint ΔT
This value is the selectable temperature difference for mode 1 and 2 (see “6.3.1 - Speed Mode”). Below this value ΔT between the ref-
erence sensors, the speed is reduced. When it is exceeded, the speed is increased.
Relay functions
Free, i.e. in the specific hydraulic variant unused relays, can be assigned to various additional functions. Every additional function can
only be assigned once.
R1 to R2: mechanical relay 230V
V1: PWM and 0-10 V output
Please pay special attention to the relay’s technical information (see "Specifications“).
The symbols shown here are displayed on the main overview screen when the special function is activated.
The sequence in this list does not correspond to the menu numbering in the controller.
Solar bypass
Use a relay to switch a bypass valve or a bypass pump. With this function, the flow can be guided past the storage if the flow tem-
perature at the bypass sensor is less than in the storage to be filled.
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. The ther-
mostat function can be used in 2 modes.
"On" = the relay is switched on when all switching conditions are reached
"Inverted" = the relay is switched off when all switching conditions are reached and is otherwise switched on.
Temperature values which are set too high can lead to scalding or damage to the system. Scalding protection must be
provided by the customer!
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