Siemens RDX33.21 - Mechanical Design

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Siemens Room temperature controllers with LCD N3075en
Building Technologies 17.04.2009
Accessories
Description Product No.
Adapter plate 120 x 120 mm for recessed conduit boxes 4“ x 4“ ARG70
Adapter plate 96 x 120 mm for recessed conduit boxes 2“ x 4“ ARG70.1
Adapter plate 112 x 130 mm for surface wiring ARG70.2
Ordering
When ordering, please give description and product No.:
E.g. room temperature controller RDX33.21
Valve actuators are to be ordered as separate items.
Mechanical design
The controller consists of 2 parts:
• Plastic housing which accommodates the electronics, the operating elements and the
built-in room temperature sensor
• Mounting base
The housing engages in the mounting base and snaps on.
The base carries the screw terminals.