3003082-2013-01-24.fm
Technical specifications
3/16
Key to diagram
Wiring
diagrams
The wiring diagrams are included at the end of this guide:
Connection for DTV/DTH/VVR/BESF/BESBxxx-x-1FC/EC; see diagram page 12
Connection for BESF/BESBxxx-x-3FC/EC; see diagram page 13
Warnings:
• Electrical wiring must be carried out in accordance with local applicable laws and
regulations.
• An earth connection must be wired before any other wiring is undertaken.
• The supply voltage must be switched off before any work is done in the motor’s
terminal box.
• The power supply and frequency must correspond to the values listed on the FC/
EC motor’s type plate.
• The cable between the FC/EC
motor and the EFC1P must be shielded and only
connected to the chassis in the junction box at the FC/EC motor.
If
the control unit:
• is visibly damaged
• has been stored for some time in adverse conditions
• has been adversely affected during transport
it should be switched off and disabled so that it cannot be switched on again
accidentally. The control unit must be scrapped.
Dimensioning of the
neutral conductor:
Please refer to the instructions in the ventilator guide.
2.
Technical specifications
EFC1P
Ambient temperature (running):
–20° C to +40° C
Supply voltage:
10-12 V DC
Protection class:
IP 20
The motor-controller has an automatic reset. If there is a motor error, the operating LED
(marked B in Fig. 1) will go out and the alarm LED (marked C in Fig. 1)
will light.
If the ventilator (the motor) cannot operate at full speed, it may be overloaded and as a
result regulated down to a lower speed.
Please refer to the “Fault finding table” in the ventilator guide.
Terminal
Signal description
Input/output
A
Alarm
IN
B
Alarm
IN
2
Start/stop
OUT
3
0 V DC (chassis)
IN
4
0-10 V DC
OUT
5
10/12 V DC
IN
1.3 Electrical installation
2.1 Troubleshooting
Summary of Contents for EFC1P
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