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6.2.7 Min Speed
The minimum speed of the pump at relay R1 is specifi ed here. During the setting the pump runs at the specifi ed speed and the flow rate can be
determined.
Settings range: (Speed from „On““ on page 30 ) to max. speed -5% / Default setting: 30%
CAUTION
The indicated percentages are guide values that may vary to a greater or lesser extent depending on the system, pump and pump
stage.. 100% is the maximum possible voltage/frequency of the controller.
6.2.8 Setpoint
This value is the control setpoint for variant 3 (see „6.2.1. - Variant“ on page 27). If the value at the collector sensor drops below this, the speed is
reduced. If it rises above this, the speed is increased.
Settings range: 0°C to 90°C (32°F to 194°F) / Default setting: 60°C (140°F)
RELAY FUNCTIONS
RELA
Y FUNC
TIONS
The here explained additional functions can be assigned to unused relays. Every additional function can only be used once. Pay special attention to
the technical data of the relays („B.1. - Specifi cations“ on page 5).
6.3 SOLAR BYPASS
Use the relay to switch a bypass valve or a bypass pump
This can direct the fl ow pass the storage, when the fl ow temperature at the bypass sensor is lower than the storage that has to be charged.
Settings range: On; Off
6.3.1 Variant
This menu determines wether a pump or valve is used to direct the fl ow through the bypass.
Settings range: Pump, Valve / Default setting: Valve
6.3.2 Bypass (Sensor)
The fl ow sensor for the bypass function is selected in this menu. Do not install in the return fl ow.
Settings range: S1-S8, VFS1, VFS2 / Default setting: non
6.4 THERMOSTAT
Thermostat is used for time- and temperature controlled additional heating.
Settings range: On, Off
