15
B
B
L20
L19A
L19A
L19B
1
2
1
1
2
2
B
B
L19A
L20
L19A
L19B
B
B
After connector B has been fitted,
use the hole in the profile to tighten
the connector in place.
Push down the button on connector B before inserting it
into the end of the frame profile.