EB 5573 EN
133
Appendix
13.4 Technical data
Inputs
8 inputs for Pt 1000, PTC or Ni 1000 temperature sensors and 2 binary
inputs, terminal 11 as 0 to 10 V input (e.g. for external demand or out-
door temperature signal)
Outputs
2x three-step signal: load max. 250 V AC, 2 A
1)
Alternatively 2x on/off signal: load max. 250 V AC, 2 A
1)
3x pump output: load max. 250 V AC, 2 A
1)
, all outputs are relay out-
puts with varistor suppression
Terminal 11 as 0 to 10 V output (e.g. for continuous closed loop control,
outdoor temperature, signal for external demand or pump speed control),
load >5 k
Ω
For systems with one control circuit, a maximum of four pumps are available
Optional interfaces
1x Modbus RS-485 interface for two-wire bus using RS-485 communica-
tion module (Modbus RTU protocol, data format 8N1, RJ45 connector
socket at the side)
Supply voltage
85 to 250 V, 48 to 62 Hz, max. 1.5 VA
Ambient temperature
0 to 40 °C (operation)
–10 °C to +60 °C (storage and transport)
Degree of protection
IP 40 according to EN 60529
Class of protection
II according to EN 61140
Degree of contamination 2 according to EN 61010
Overvoltage category
II according to EN 60664
Noise immunity
According to EN 61000-6-1
Noise emission
According to EN 61000-6-3
Weight
Approx. 0.5 kg
Compliance
·
1)
Inrush current, max. 16 A
