Accessmatic Viper 350 Manual De Usuario página 29

Opening your life
Hold open mode: the door will remain open after dialing this position
Manual mode: the system will not drive the door after dialing this position, and the door can be manually operated (the door
will be closed automatically)
Automatic mode:the door can be opened by external signal after dialing this position
The spring force is di erent according to the width of the door leaf, so the spring force needs to be adjusted. The speci c adjust-
ment can be based on di erent door wing widths. When adjusting, the wind pressure and overpressure / low pressure should
also be fully considered (the door must be automatically closed in place when the power is turned o ). The factory setting of
the operator is the minimum spring force, which is suitable for the width of the door wing from 750mm to 900mm.
Adjust the screw clockwise to increase the spring force;
Improper spring force may cause failure
5. Pull bar/Push bar Optional
4