User Manual

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Siemens Room Temperature Controllers CE1N3048en
Building Technologies 2017-11-14
Technical data
Operating voltage
AC 24 V
± 20 %
Frequency 50/60 Hz
No internal fuse
External preliminary protection with max. C 10 A circuit breaker in the supply line re-
quired under all circumstances
Power consumption max. 6 VA
Setpoint setting range 8...30 °C
Max. control deviation at 25 °C max. ° 0.7 K
Switching differential heating SDH or P-band
(selectable)
1 K or 4 K
Switching differential cooling SDC or P-band
(selectable)
0,5 K or 2 K
Dead zone X
dz
in normal operation (selectable) 2 K or 5 K
Setpoint «Energy saving mode », heating 16 °C
Setpoint « Energy saving mode », cooling 28 °C
Setpoint «Standby » 8 °C
Integration time Tn 10 min
Control outputs Y1, Y2
Voltage
Current
Cycle time PWM (selectable for Y1)
PWM or ON / OFF
AC 24 V
± 20 %
0.02…1 A
240 s or 90 s
Signal input B1 for return air sensor QAH11.1, safety class II
NTC resistor 3 kΩ at 25 °C
Status input D1 and GND
Contact sensing DC 6-15 V / 3-6 mA
Perm. cable length with copper cable 1.5 mm
2
for connection to terminals B1 and D1 80 m
Operation
Climatic conditions
Temperature
Humidity
to IEC 60721-3-3
class 3K5
0...∗ 50 °C
; 95 % r.h.
Transport
Climatic conditions
Temperature
Humidity
Mechanical conditions
to IEC 60721-3-2
class 2K3
, 25...+70 °C
<95 % r.h.
class 2M2
EU Conformity (CE) CE1T3040xx
*)
RCM Conformity CE1T3040en_C1
*)
Degree of protection of housing IP30 EN 60 529
Safety class III to EN 60 730-1
Pollution class Normal
The product environmental declaration CE1E3040
*)
contains data on envi-
ronmentally compatible product design and assessments (RoHS compli-
ance, materials composition, packaging, environmental benefit, disposal).
Based on EU Regulation 813/2013 (Eco design directive) and 811/2013
(Labelling directive) concerning space heaters, combination heaters, the
following classes apply:
- Application with On/Off operation of a heater
- PWM (TPI) room thermostat, for use with
On/Off output heaters
Class I value 1%
Class IV value 2%
Power supply
Functional data
Environmental
conditions
Norms and standards
Environmental
compatibility
Eco design and
labelling directives