Bedienungsanleitung Sorel STDC (Seite 21 von 24) (Englisch)

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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 determ-

ined.

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 for mode 3 " Variant " on page 20, only version 2.3, and 4.. If this value is below at the sensor, the speed is

reduced. When it is exceeded, the speed is increased.

Time & Date

Serve to set the current time and date.

For time-dependent functions such as circulation and anti-legionella and the evaluation of system data, it is essential that the

time is accurately set on the controller. Please note that the clock continues to run for about 24 hours if the mains voltage is

interrupted, and afterward must be reset. Improper operation or an incorrect time may result in data being cleared, recorded

incorrectly or overwritten. The manufacturer accepts no liability for the recorded data!

Sensor Calibration

Deviations in the temperature values displayed, for example. due to cables which are too long or sensors which are not positioned optim-

ally can be compensated for manually here. The settings can be made for each individual sensor in steps of 0.5 °C.

Settings are only necessary in special cases at the time of initial commissioning by the specialist. Incorrect measurement val-

ues can lead to unpredictable errors.

Commissioning

Starting commissioning help guides you in the correct order through the basic settings necessary for commissioning, and provides brief

descriptions of each parameter in the display. Pressing the ‚esc‘ key takes you back to the previous value so you can look at the selected

setting again or adjust it if desired. Pressing ‚esc‘ more than once takes you back to the selection mode, thus cancelling the commissioning

help (" Commissioning help " on page 14).

May only be started by a specialist during commissioning! Observe the explanations for the individual parameters in these

instructions, and check whether further settings are necessary for your application.

Factory settings

All settings can be reset, returning the controller to its delivery state.

All of the controller‘s parametrization, statistics, etc. will be lost irrevocably. The controller must then be commissioned once

again.

Heat quantity

Constant flow

If “Constant flow” is activated as the type of heat quantity metering, the approximate heat from the manually entered values for antifreeze,

its concentration and the flow from the system and the measured sensor values from the collector and storage are calculated. Additional

information about antifreeze, its concentration and the flow of the system is required. Additionally through the setting offset ∆T, a correction

factor can be set for the heat quantity collection. Since the collector temperature and the storage temperature can be used for the heat

quantity metering, depending on the system, there may be deviations from the displayed collected temperature to the actual previous tem-

perature or the displayed storage temperature to the actual return temperature. Through the setting Offset ∆T, this deviation can be cor-

rected.

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Sorel STDC Seite 21

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