DAB MCE-22/C Anleitung für Installation und Wartung - Seite 12

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7.1.1

Regulation with Constant Differential Pressure

7.1.2

Regulation with Constant Curve

Max.

Min.

7.1.3

Regulation with Constant Curve with External Analogue Signal

Max.

Min.

7.1.4

Regulation with Proportional Differential Pressure

7.1.5

T constant function

This function causes the circulator to increase or decrease the flow rate to keep constant the temperature measured by the NTC

sensor, connected as described in paragraph 5.5.3.

Four operating modes can be set:

T Regulation:

Increasing mode T if the desired temperature (Ts) is higher than the measured temperature (T), the circulator increases the flow

rate until Ts is reached

Decreasing mode T if the desired temperature (Ts) is higher than the measured temperature (T), the circulator decreases the flow

rate until Ts is reached

T1 Regulation:

Increasing mode T1 if the desired temperature (Ts) is higher than the measured temperature (T1), the circulator increases the flow

rate until Ts is reached

Decreasing mode T1 if the desired temperature (Ts) is higher than the measured temperature (T1), the circulator decreases the

flow rate until Ts is reached

ENGLISH

The head remains constant, irrespective of the water request.

This mode may be set by means of the control panel on the cover of the MCE-22/C (see par. 9).

The rotation speed is kept at a constant number of revolutions. This rotation speed may be set

between a minimum value and the rated frequency of the circulation pump (e.g. between 15 Hz and

50 Hz).

This mode may be set by means of the control panel on the cover of the MCE-22/C (see par. 9).

The rotation speed is kept at a constant number of revolutions in proportion to the voltage of the

external analogue signal (see par. 5.5.2). The rotation speed varies in linear mode between the

rated frequency of the pump when Vin = 10V and the minimum frequency when Vin = 0V.

This mode may be set by means of the control panel on the cover of the MCE-22/C (see par. 9).

In this adjustment mode the differential pressure is reduced or increased as the water request

falls or rises.

This mode may be set by means of the control panel on the cover of the MCE-22/C

(see par. 9).