Window Drive WML 820 for VELUX®

Window Drive for VELUX® WML 820 0102

Compact 24 V DC SHEV window operator with electronic limit switch for installation in VELUX roof windows of types GGL, GGU and VL. The window operator is mounted behind the ventilation flap and is not visible when the window is closed.

The window operator is also suitable for daily ventilation and can open and close against nominal load. The housing and chain are corrosion-protected. The window can be opened continuously up to a maximum of 540 mm. The window operator is equipped with a 1.5 m silicone cable.

Installation Note

The WML 820 is designed for:

• VELUX roof windows GGL, GGU from size 204 to 810
• VELUX VL from size 43 to 109

If a window operator of types WMG 500, KEM 110, KEM 113, KEM 115, EBM or EB was previously installed, the strike plate as well as the locking mechanisms and friction springs must be reinstalled. If necessary, the ventilation flap must also be replaced to ensure proper functioning of the WML 820.

Scope of Delivery

• 1.5 m silicone power supply cable
• Motor bracket
• Chain fitting
• Screws
• Detailed installation instructions