Electrical Installation; Emc-Compatible Installation Of Control Lines; Connection Voltage Supply; Output Voltage 0 - Helios EDR Installation And Operation Manual

Installation and Operating Specification EDR

5 Electrical installation

5.1 EMC-compatible installation of control lines

Pay attention to maintain sufficient distance from powerlines and motor wires to prevent
interferences.
When using a shielded cable the shield must be connected (as short and with as low an
induction as possible!) to the PE conductor on one side at the signal input (of the
evaluation unit).

5.2 Connection Voltage supply

Connection Voltage supply at terminals: "+U
observedt hat the mains voltage lies within the llowable olerance pecifications (see
Technical data and nameplate affixed to the side).
Danger due to electric current
Only PELV current sources which ensure safe electrical isolation of the operating voltage
in accordance with IEC/DIN EN 60204-1 must be used.
There is no potential isolation between supply voltage and output signal.
5.3 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!

5.4 Input for switch over Setpoint 1/ 2

Via voltage at terminals "1" and "2" (10... 24 V DC) a switchover between Setpoint 1 and
Setpoint 2 is possible (note polarity see connection diagram).
Voltage OFF => Setting "Setpoint 1" active
•
Voltage ON => Setting "Setpoint 2" active
•
Setpoint 1active
100 Pa
(0.401 in.wg)
Setpoint 1
L-BAL-E292-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.
" and "GND". Here, it must be strictly
S
see Technical data).
max
6/15
Electrical installation
Setpoint 2 active
80 Pa
(0.321 in.wg)
Setpoint 2