INSTRUCTION MANUAL DAAB AUTOMATIC CONTROL UNIT EP105
8
Revision 3
For information about connecting to the frequency inverter, see the instructions for add-in card
DB409.
Supply 1x230V with neutral
(symmetrical)
O
ut
let
230V
Switch V1 and W1 and/
or V2 and W2 if the motor
runs in the wrong direction.
1x230V
+
N
Fus
e max T10A
common
common
N T1 N L1 L2 L3 U1 V1 W1
U2 V2 W2
Control unit
In/Out
Power
Motor 1
Motor 2
Supply to control unit
Supply to motors
Single-phase
motor
Single-phase
motor
If a symmetrical single-phase motor is
used (as shown on the left) make the
following changes.
EP105-1:
Swap the cable at X12: L1-1
with X12: L1-C1.
EP105-2:
Remove the cable between
X11: L2-1 and X4: L2-2.
Swap the cable at X12: L1-1 with X12:
L1-C1. Swap the cable at X7: L1-2 with
X7:L1-C2. See the diagram below for the
terminal locations.
Transformer
Contactor
Supply 1x230V with neutral
(asymmetrical)
O
ut
let
230V
1x230V
+
N
Fus
e max T10A
U1
Z1
Z2
U2
U1
Z1
Z2
U2
N T1 N L1 L2 L3 U1 V1 W1
U2 V2 W2
Control unit
In/Out
Power
Motor 1
Motor 2
Switch V1 and W1 and/
or V2 and W2 if the motor
runs in the wrong direction.
Single-phase
motor
Single-phase
motor
Supply to control unit
Supply to motors