Installtion Support

Installation accessories:
up and down with (Sub head + Sub Sill) left side and right side with L-angle

Step 1:

Fix the Sub head to the upper wall with screws

Step 2:

Fix the Sub Sill to the bottom wall with screws

Step 3:

Fix the L-angle to the right and left wall with screws

Step 4:

Put the whole window into the Sub head, Sub sill and L-angle

Step 5:

Use screws to connect the s the L-angle angle and the window frame for fixing,then, then finish installation