•
Before attempting any work on the control unit (connections, maintenance), always turn off power.
•
Install, upstream of the system, a differential thermal breaker with adequate tripping threshold,
•
Always separate power cables from control and safety cables (push-button, receiver, photocells, etc.).
•
To avoid any electrical disturbance, use separate sheaths or a screened cable (with the screen earthed).
CONTROL UNIT BRAIN 3-4
. WARNINGS
2. LAYOUT AND CONNECTIONS
8
Fig. 1
Fig. 1