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Siemens RDU340… Basic Documentation CE1P3078en

Building Technologies Functions 2014-09-05

4.4 Applications

The controller supports following applications, which can be configured by DIP-

switches on the inner side of the controller front panel.

Application and

Control output

Type

reference

DIP-

switch Diagram

Single duct,

heating or cooling

modulating, DC 0…10 V RDF340

1 2

Y10

Single duct

with electrical heater,

cooling and heating,

with auxiliary heater

modulating, DC 0…10 V

Note: on-off electrical heater

RDF340

1 2

Y10

Y21

Key Y1 Heating or heating/cooling valve actuator

E1 Electrical heater

B1 Return air temperature sensor or

external room temperature sensor (optional)

B2 Changeover sensor (optional)

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Siemens RDU340 Instrucciones de operaciones Pagina 11