1.1 Technical data
Inputs
Sensor inputs Max. 7 PTC and Pt 100 or NTC and Pt 100, or Pt 1000 and Pt
100 sensors
2-wire circuit
(heating circuit/drinking water circuit)
2 flow temperature sensors, alternatively 1 solar collector sensor
1 room temperature sensor
1 outdoor temperature sensor
1)
1 return flow temperature sensor ( 2 in system code no. 4)
2 storage tank temperature sensors
Binary inputs Storage tank thermostat
Additional inputs Current input 4(0)...20 mA for flow rate limitation or pulse
counting input for limitation of capacity or flow rate
Current input 4(0)...20 mA for outdoor temperature
Remote control option for correcting flow temperature and
selecting the operating mode
Outputs
Control signal y Three-step signals: max. load 250 V AC, 2 A;
min. 10 mA, varistor suppression 300 V
On/off signal: max. load 250 V AC, 2 A;
min. 10 mA, varistor suppression 300 V
Binary outputs Max. 4 outputs for pump control
Load: max. 250 V AC, 2 A min. 10 mA, varistor
suppression 300 V
Control parameters K
p
= 0.1...50; T
n
= 1...999 s; valve transit time T
y
= 15...240 s
Operating voltage 230 V AC (+10 %/15 %), 48 to 62 Hz,
Power failure: All parameter and configuration data are saved
in an EEPROM.
Power consumption Approx. 1.5 VA
Temperature range Operation: 0...40 Storage: 20 to 60 °C
1)
Degree and class of protection IP 40 according to IEC 529 and 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 Corresponding to EN 50082 Part 1
Noise emission Corresponding to EN 50081 Part 1
Weight approx. 0.5 kg
1)
On using Pt100 or Pt100 resistance thermometers, permissible temperature
range down to
−
65
°
C, however, display only indicates down to
−
40
°
C
5
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