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5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
The cable trays are on the left side of the boiler.
Electrical Connections
Installation
Cable routing on boiler
IMPORTANT
Route power supply cables and low voltage cables
separately using the cable trays provided.
Legend
A
Upper cable tray for power supply cables
(e.g. boiler power supply)
B
Lower cable tray for low voltage cables
(e.g. sensor cables)
1. Remove the screws holding the top panels and lift
and remove the top panels.
2. Lift and remove upper front panel.
3. Lift and remove left side panels.
4. Using supplied ‘panel key’, unlock the front panel
and swing door open.
5. Remove upper and lower front panels for the
Vitotronic 300 GW6C control.