Electrical Connection; Connecting Power Cord; Secondary Column Connection; Checking Rotary Fields - Bosch VLE 2130 EL Initial Operation

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
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1 689 978 552 2017-03-20