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1) Principle of wiring
The fan MUST always be grouned.
We advise the use of armoured
cable for the inputs/outputs signals
2) Wiring diagram
See appendix. The start/stop of the fan must be activated with entries K1/K2/K3 (softstop ) and not via power
supply 230V.
3) Configuration
Configuration of the fan is made using the LCD display and the 4 setup knobs. SETUP,
To start the configuration press SETUP until SETUP text appear on the LCD.
The principle of selection is to use keys ↑and ↓ to make the choice and to press ENTER to confirm. The numbers are
introduced figure by figure.
More information available on the PLC website :
1
LANGUAGE
2
FAN TYPE
3
m³h K1?
4
m³h K2?
5
m³h K3?
PRESSURE
6
ALARM?
7
∆P FAN
8
INIT Pa REF?
9
m³h INIT
Pa REF INIT
10
xxxx m³h
xxxx Pa
11
END SETUP
CB1 TAC3 CA
www.lemmens.com
Language choice
Choice of fan through (CID – see label on fan)
Select Airflow 1 (contact between terminals K1 and +12V closed)
Select Airflow 2 (contact between terminals K2 and +12V closed)
Select Airflow 3 (contact between terminals K3 and +12V closed)
Pressure alarm is optional. Of you do not wish to set a pressure alarm select N(o),
otherwise select Y(es)
If you have selected Y: Configuration of pressure alarm on fan:
Select value of pressure increment corresponding to the nominal airflow.
Configuration of pressure alarm: Do you wish to (re)define the nominal pressure
corresponding to a new nominal airflow ?
If you have selected Y: Pressure alarm setup :Enter airflow to define reference pressure.
Initialisation of the reference pressure busy. After 1 minute the CB will memorize the value
of the calculated static pressure on the fan once the INIT airflow is reached.
Display of actual pressure and airflow
The setup is then completed.
Installation manual
The black plastic covers (1) have
to be put on the motor connectors
(2) as shown below.
↑
↓
,
andt ENTER.
(v.10/2007)
8
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