Accessing The Control Unit Cables - Viessmann Vitodens 200-W 19 WB2B Series Installation Instructions Manual

Boiler Connections
Connections
(continued)

Accessing the control unit cables

3.
1.
5.
5
C
A
D
Fig. 17
22
2.
2x
E
B
1. To open hinged cover, lift cover and
2. Release the hinged hooks located on
3. Fold down the control unit.
4. Release locking tabs as shown.
5. Remove cover.
6. Route all connecting cables to the
4. 7x
6.
Legend
pivot control unit flap down.
both sides of the control unit.
CAUTION
When running and securing
connecting cables on site, ensure
that the maximum permissible
temperatures of the cables are not
exceeded.
appropriate areas and secure the
cables to the control base using
existing strain reliefs as shown.
Low voltage connections
230 VAC connections
Communications module
(accessories)
Main PCB
Strain relief for power supply cable
Plug for connecting the DHW
temperature sensor to the cable
harness.