• 14 • BALTIC-IOM-0412-E / Installation manual
INSTALLATION ON A ROOF MOUNTING FRAME
Roof opening dimensions
The roof opening dimensions & maximum slope are defi ned according mechanical drawings.
Sealing checks
Leveling adjustable roofcurbs
Above all, ensure that all the adjustable returns are facing outward. They could be turned inside-out for transport.
Place the roof mounting frame on the trimmer beam by fi rst lining up the inlet and the outlet opening.
After levelling the frame, secure the adjustable returns on the trimmer.
When the frame is correctly positioned, it is essential to secure the assembly with a disconnected stitched welded seam (20 to 30 mm
every 200 mm) or self taping screw diameter M6 along the outside or by using an alternative method.
IMPORTANT note: Prior to put the machine on the curbs make sure polyethylene foam is fi tted on the curb
upper fl ange side (must be delivered with the curb).
IMPORTANT NOTE: Securing the curb
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