PRE-INSTALLATION RECOMMENDATIONS
1. Check the garage door and garage door system
DANGER!
Balancing springs are under high tension. The readjustment or loosening of the balancing springs can
cause serious injuries! For your own safety, necessary maintenance and repair work should of the
balancing springs should only be performed by an expert.
Never attempt to replace, readjust, repair,or move the balancing springs for the counterbalancing of the
door or their holders. Check the entire door system (pivots, door bearings, ropes, springs and fastenings)
for wear and possible damage. Check them for signs of rust, corrosion and cracks. Error in the door
system or misaligned doors can cause severe injury! Do not use the door system if repair or adjustment
work needs to be done!
The construction of the operator is not designed to operate sluggish doors, i.e. doors that can no
longer or hardly be opened or closed manually. The door must be in a mechanically healthy state that is
easy to operate by hand (EN12604). Open the garage door approximately half way and let go.
The door should maintain this position and move neither up nor down. If the door moves in
either direction, then there is the risk that either the balancing springs/weights are not properly adjusted
or defective. In this case, increased wear and malfunctioning of the door is expected. Check that the
door can open and close correctly. Disengage/Remove any mechanical locks that may be on the
door -- they are not needed with the use of the garage door operator. These include in particular the
locking mechanisms connected with the door. For installation and commissioning, check the illustrated
section. Take note of the text in the appropriate sections.
2. Required Clearance
The clearance between the highest point of the door travel and the ceiling must be at least 30 mm. For a
lower clearance height, and if space is available, the operator can be mounted behind the opened door.
In these cases, an extended door link must be used and may be purchased separately. The necessary
electrical outlet for the electrical connection should be mounted within approx. 50 cm from the operator
(refer to the electrical mains chapter).
Check these dimensions!
Figure 1
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