12.5 Technical data
Inputs
Sensor inputs
Max. 17 configurable inputs for temperature sensors
Pt 100, Pt 1000, Ni 200, Ni 1000 und PTC, NTC, 0–10 V, 0/4–20 mA
or binary alarms (heating/DHW circuit)
5 flow temperature sensors,
2 outdoor temperature sensors,
2 return flow temperature sensors,
2 room temperature sensors,
2 storage tank temperature sensors
Binary inputs
Storage tank thermostat
Other inputs
Pulse counter input for flow rate or capacity limitation
Inputs for valve position feedback, remote operation to correct the
room temperature and to select the operating mode
Outputs
Analog output
Control signal y
3 outputs
0 to 10 V (load > 4.7 k
Ω
)
Three-step signal: 230 V~, 2 A
On/off signal: 230 V~, 2 A
Binary outputs
5 outputs to control pumps, 230 V~, 3 A
4 outputs for alarms max. 50 V DC, 100 mA
Operating voltage
230 V, 48 to 62 Hz, 8 VA
Interface
RS-232 for connection to a modem, interface for meter bus
LON (free topology)
Ambient temperature
0 to 40 °C
Storage temperature
–20 to 60 °C
Degree of protection
IP 40 according to IEC 529
Class of protection
II according to VDE 0106
Degree of contamination
2 according to VDE 0110
Overvoltage category
II according to VDE 0110
Humidity rating
F according to VDE 40040
Noise immunity
According to EN 61000-6-1
Noise emission
According to EN 61000-6-3
Weight
Approx. 0.6 kg
EB 5179 EN
129
Appendix
