Guide
Here you will find valuable tips on window drives and building automation
Electric fanlight opener: chain actuator instead of crank and lever
Many fanlights in offices, schools and stairwells are still opened with a crank, rod or lever. That’s inconvenient, and often they remain...
Replacing a rooflight actuator: how to find the right replacement
If a dome rooflight’s actuator fails, the dome stays closed – or worse, open. With SHEV domes, smoke extraction is also no longer...
Connecting a chain actuator: wiring 24 V and 230 V correctly
An electric chain actuator is quickly installed – correct wiring is what matters for reliable operation. This guide shows...
SHEV maintenance: inspection duties, intervals and what to consider for window actuators
A smoke and heat exhaust ventilation system (SHEV) must work immediately in the event of fire – even if it was only used for ventilation or not moved at all for years....
Retrofitting electric window openers: tilt windows, skylights and roof windows
Retrofitting a motor to a tilt window, fanlight or roof window: which actuator fits, force and stroke, 24 V or 230 V, control, sensors and installation.
Replacing HAUTAU chain drives: alternatives to SKA and EKA
Matching Vent Systems alternatives for HAUTAU chain drives SKA 20, SKA 50, EKA 20 and EKA 30.
Replacing WindowMaster actuators: alternatives to WMX and WMU
Matching Vent Systems alternatives for WindowMaster WMX 503, 504, 526, 804, 826 and WMU – with a technical comparison.
Replacing D+H chain drives: alternatives to KA 34, KA 54, CDC and VCD
Matching Vent Systems alternatives for D+H chain drives KA 34, KA 54, CDC and VCD – with a technical comparison.
Chain actuator for roof windows
Chain actuators on roof windows and dome rooflights: forces, snow load, brackets, stroke, 24 V or 230 V, rain sensor and IP rating – with matching actuators from stock in Hamburg.