User Manual

16/66
Siemens ET D1 · 2018/2019
16
Technical Information
Room Temperature Controllers
Room temperature controllers, direct floor heating (5TC9203)
Technical specifications
Control devices
Temperature range 5 … 50 °C
Operational voltage 230 V AC, 50/60 Hz
Tolerance range 195 … 253 V AC, 50 Hz
Switch contact 1 NO contact
Rated current (250 AC) 10 A at p.f. =1.0 (heating)
Switching capacity 2.3 kW
Switches Power supply "ON/OFF"
Display LED Red: control device demands heat (heating mode)
Green: Temperature reduction "ON"
Switching temperature difference Approx. 1 K
Temperature reduction Approx. 5 K
Degree of protection/safety class IP30/totally insulated
Remote sensors
Sensor element NTC according to DIN 44574
Sensor cable PVC, 2 x 0.50 mm
2
, length 4 m
Degree of protection IP68 (according to DIN VDE 0470T1)
Ambient temperature -25 … +70 °C
Sensor characteristics of measuring
instrument R
i
> 1M
Temperatures in °C Resistance in k Ω
5 4.527
10 3.657
15 2.974
20 2.432
25 2.000
30 1.655
35 1.379
40 1.151
45 0.968
50 0.816