User Manual

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Siemens RXC39.5 – Room controller CM2N3856en_07
Building Technologies 2015-12-23
Cable connections
Plug-in terminal blocks
Solid conductors
Stranded conductors without
connector sleeves
Stranded conductors with connector
sleeves (DIN 46228/1)
Rising cage terminals
1 x 0.2 ... 2.5mm2
or 2 x 0.2 ... 1.0 mm2
1 x 0.2 ... 2.5mm2
or 2 x 0.2 ... 1.5 mm2
1 x 0.25 ... 2.5mm2
or 2 x 0.25 ... 1.0 mm2
Max. tightening torque
0.6 Nm
Single cable lengths for field devices
See also the RXC installation guide,
CA110334
Signal inputs D1…D4
Max. 100 m with diameters ≥ 0.6 mm
Measured value input X1, B2
Max. 100 m with diameters ≥ 0.6 mm
Triac outputs Y1...Y6
Max. 100 m where A ≥ 1.5 mm
2
DC 0…10 V outputs YC1...YC4
Max. 100 m where A ≥ 1.5 mm
2
Relay outputs Q12, Q221
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
LONWORKS Bus
See Installation guide, CA110334
Cable type
See Installation guide, CA110334
Tool connecting cable
See Installation guide, CA110334
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
Insulation protection class to EN 60730-1
III
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
Automatic electrical controls for
household and similar use
Electromagnetic compatibility
(Applications)
For use in residential, commerce, light
-
industrial and industrial environments
EU conformity (CE)
CM2T3856xx *)
UL certification (US)
UL 916, http://ul.com/database
RCM-conformity (EMC)
CA2T3834en_C1 *)
EAC conformity
Eurasia conformity
eu.bac
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]
RXC39.5
213296
Fan-Coil 2 pipes heating / coooling
0.2 / 0.1
Fan-Coil 2 pipes 2 wires heating / coooling
0.2 / 0.3
Fan-Coil 4 pipes heating / coooling
0.2 / 0.1
Environmental compatibility
Product environmental declaration
(contains data on RoHS compliance,
materials compo
sition, packaging,
environmental benefit, disposal)
CA2E3840 *)
Dimensions
See dimension diagrams
Weight
excluding packaging
0.270 kg
including packaging
0.300 kg
*) The documents can be downloaded from
http://siemens.com/bt/download.