18
Emergency manual operation
Function to be checked in a de-energised state. Carry out functional test only between final
limit positions.
Limit switches
Check the final limit positions by opening and closing the door completely. The safety zone
must not be reached.
Brake
Warning – Injury or danger to life possible!
Carry out brake test. Overrun depends on the door and its equipment. The
manufacturer's specifications must be observed.
The brake release for doors without counter-balancing may only be used in the
CLOSE final limit position.
Warning – Injury or danger to life possible!
Service life of the brake - replacement of the entire brake in the case of:
Operation with mains supply after 250,000 door cycles
Operation with frequency inverter after 1,000,000 door cycles
Degree of protection IP65i must be used in environments that may change the friction
coefficient of the brake pad (atmospheres with oil, solvents, cleaning agents, etc.).