User Manual

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Siemens RXL39.1 – Room controller CM2N3876en_10
Building Technologies 2015-12-23
Cable connections
Connection terminals for signals and power supply
Solid or stranded conductors
0.25 … 2.5 mm
2
or 2 x 1.5 mm
2
Bus connection terminals
(plug-in screw terminals)
Solid or stranded conductors 2 x max. 1.0 mm
2
e.g. YCYM 2x2x0.8
Single cable lengths
For field devices, see also the RXB / RXL
installation guide, CA110381
Signal inputs D1 … D4
Max. 100 m with diameters ≥ 0.6 mm
Measured value input B1, B2
Max. 100 m
0 … 10 V outputs YC1, YC2 (valve actuators)
Max. 100 m where A ≥ 1.5 mm
2
0 … 10 V outputs YC3 (fan)
Max. 100 m where A ≥ 1.5 mm
2
Relay outputs Q14, Q34
Depends on load and local regulations
Interface to room unit
Max. 115 m where A= 0.75 mm
2
(including connecting cable for tool)
Cable type
4-core, twisted pair, unscreened
Bus
Max. 1000 m (see Engineering, page 6)
Tool connecting cable
Max. 3 m
Housing
protection standard
Protection standard to EN 60529
IP30 with terminal cover fitted and
wall mounted without DIN rail
IP20 for all other mounting arrangements
Protection class
Suitable for use in systems with protection class I or II
Ambient conditions
Normal operation
Class 3K5 to IEC 60721-3-3
Temperature
0 … 50 °C
Humidity
< 85 % r.h.
Transport
Class 2K3 to IEC 60721-3-2
Temperature
– 25 … 65 °C
Humidity
< 95 % r.h.
Standards, directives and
approvals
Product standard
EN 60730-1
Autom
atic electrical controls for household and
similar use
Product family standard
EN 50491-x
General requirements for Home and Building
Electronic Systems (HBES) and Building
Automation and Control Systems (BACS)
Electromagnetic compatibility (Applicat
ions)
For use in residential, commerce, light
-industrial
and industrial environments
EU conformity (CE)
CM2T3873xx *)
RCM-conformity (EMC)
CA2T3834en_C1 *)
Meets the requirements for eu.bac certification
See product list at: http://www.eubaccert.org/licences-by-criteria.asp
Type
License
Application
Control accuracy [K]
RXL39.5
213298
Fan-Coil 2 pipes heating / coooling
0.1 / 0.1
Fan-Coil 2 pipes 2 wires heating / coooling
0.2 / 0.1
Fan-Coil 4 pipes heating / coooling
0.2 / 0.1
Environmental compatibility
Product environmental declaration (contains data
on RoHS compliance, materials composi
tion,
packaging, environmental benefit, disposal)
CM1E3876 *)
Dimensions
See dimension diagrams
Weight
excluding packaging
0.560 kg
including packaging
0.600 kg
*) The documents can be downloaded from
http://siemens.com/bt/download.