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Siem ens RW D62 Universal controller CE2N3342en
Building Technologies 2017-12-05
The sections marked with a warning symbol contain technical safety requirements and
restrictions. Observe all of these warnings as they directly relate to the protection of
person and equipment.
Installation notes
Observe all local installation and mounting regulations.
The RWD62 controllers can be mounted as follows:
A On a top hat rail (EN60715, 35 × 7.5) at least 120 mm long
B Wall mounted with 2 screws
C Front mounted using standard elements, e.g.
1 × top hat rail 150 mm long
2 × hexagonal placeholders 50 mm
washers and screws
D In the ARG62.21/ARG62.22 protective housing
Standard cables can be used for the controller. However, when mounting in an envi-
ronment greatly exposed to EMI, use only shielded cables.
The RWD62 is designed for AC 24 V operating voltage.
The low voltage must comply with the requirements for safety extra-low voltage (SELV)
as per EN 60730.
Use safety insulating transformers with double insulation as per EN 60742; they must
be designed for 100 % on-time.
When using several transformers in one system, the connection terminals G0 must be
galvanically connected.
Supplying voltages above AC 24 V to low voltage connections may damage or destroy
the controller or any other connected devices. Additionally, connections to voltages
exceeding AC 42 V endanger personal safety.
Commissioning notes
A booklet is supplied with the RWD62 controller for commissioning.
Observe the following:
· The controller must be configured for plant-specific operation using standard applica-
tion number
· Plant specific fine tuning can be performed if required (refer to the commissioning
booklet)
· Power supply to the controller and the connected devices must be guaranteed
· Values and settings entered remain available even on power failure
Electrical installation
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