Flap size up to approx

• check 0.5 m²(2)
• check 0.8 m²(1)
• check 2 m²(2)
• check 4 m²(2)
• check 6 m²(2)
• check 8 m²(2)

SPDT Auxiliary Switch:

• check NO(1)
• check YES - 2 pcs(1)

90° motor adjustment time

• check 75 p(4)
• check 150 s(2)