Output Voltage 0; Input For Switch Over Setpoint 1 / Setpoint - Helios ETR Installation And Operating Specification

Installation and Operating Specification ETR
5.4 Output voltage 0...10 V
Connection to terminals "A" and "GND" (I
Parallel control of several speed controllers / EC-fans
The maximum possible number of speed controllers / EC fans with 0...10 V input that
can be controlled parallel depends on their input resistance and on the maximum
admissible load of the 0...10 V output.
Attention!
It is not permissible to connect outputs of several devices to each other!
•
In case of failure of the control module or interruption of the 0...10 V specification
•
signal, all parallel connected EC fans/speed controllers are no longer controlled. This
means that all fans stop!

5.5 Input for switch over Setpoint 1 / Setpoint 2

Via voltage at terminals "1" and "2" (10... 24 V DC) a switchover between Setpoint 1 and
Setpoint 2 is possible (note polarity
Voltage OFF => Setting "Setpoint 1" active
•
Voltage ON => Setting "Setpoint 2" active
•
Setpoint 1active
20.0 °C
Setpoint 1
L-BAL-E293-GB 1841 Index 001
The active Setpoint is indicated in the menu
INFO, an active "Setpoint 2" is signalized by the
moon symbol.
Part.-No.
see Technical data).
max
connection diagram).
8/19
Electrical installation
Setpoint 2 active
15.0 °C
Setpoint 2