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Siemens RDU340… Basic Documentation CE1P3078en
Building Technologies Use 2014-11-03
2.5 Accessories
Designation Product no. Data Sheet
Changeover mounting kit (50 pcs/package)
ARG86.3
N3009
Plastic mounting spacer for flush mounted
thermostats for increasing the headroom in the
conduit box by 10 mm
ARG70.3
N3009
Conduit box for flush mounted thermostat
ARG71 /
S55770-T137
N3009
*) The documents can be downloaded from http://siemens.com/bt/download.
2.6 Ordering
When ordering, indicate both product number and name:
E.g. RDU340 room temperature controller
Order valve actuators separately.
3 Use
Control of the room temperature in individual rooms of ventilation or air
conditioning plants that are:
· Heated or cooled by single duct.
· Heated and cooled by single duct with auxiliary electrical heater.
The RDU340 is suitable for use with VAV systems in connection with the VAV
compact controllers types G…B181.1E/3.
The RDU340 controls
· One DC 0…10 V actuator
· One DC 0…10 V actuator and AC 230V 1-stage electrical heater
Use in systems with:
· Heating or cooling mode
· Automatic heating/cooling changeover
· Manual heating/cooling changeover
· Heating and cooling (single duct with electrical heater)
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