4.3
Electrical connection
!
Protective conductor checks are to be performed
following initial installation, repair work, installation
modifications and as specified by VDE 0100.
i
The circuit diagram can be found in Appendix A.
3
2
Fig. 3:
Connecting power cord and secondary column motor
1 Power cord connection
2 K3 - Secondary column motor connection
3 X1 - Thermoswitch connection, both columns
2
Fig. 4:
Connecting potentiometers for both columns
1 Secondary column potentiometer
2 Main column potentiometer
Robert Bosch GmbH
1
X
1
Installation | VLE 2130 EL | 21
4.3.1
Connecting power cord
¶
Power cord connection
Wire designation
Power cord
L1
L2
L3
N
PE
4.3.2
Secondary column connection
1. Connect the secondary column motor.
Wire designation
Secondary column motor
Wire 1
Wire 2
Wire 3
2. Connect the secondary column thermoswitch.
!
Always ensure correct PE connection.
Wire designation
Secondary column motor
Wire 4
Wire 5
PE
3. Connect the secondary column potentiometer.
!
Incorrect connection will destroy the printed circuit
board.
Wire identification
Secondary column motor
BN (brown)
WS (white)
GN (green)
4.3.3
Checking rotary fields
!
Check the main column first, then the secondary
column.
1. Briefly press the button u (lower).
Main column support arms down, rotary field ok,
continue with step 2.
Main column support arms up, rotary field not ok,
interchange wire L1 and L2 at motor 1.
2. Briefly press the button u (lower).
Secondary column support arms down, rotary
field ok.
Main column support arms up, rotary field not ok,
interchange wire 1 and wire 2 at motor 2.
"
Test over.
en
Designation
X (Fig. 3, Item 1)
L1
L2
L3
N
PE block
Designation
K3
U
V
W
Designation
X 1
1
2
PE block
Designation
X - SC potentiometer
6
7
8
|
1 689 978 552
2017-03-20