Woelm Catalogue HELM Hardware for Sliding Shutters Page 23
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Technical Information Central Controls Wiring example with sub-assemblies of twos (max. 4 controls) Technical information fig. 8 With the control it is possible to open or close each sliding shutter individually with the integrated switch-key (1) (see ground floor). Should you wish to have a group control1, a switch/switch-key (2) has to be connected (connection see 1st floor). If the switch is not returned to its initial position after operation, the switch-keys (1) of the control are disabled. 1 For group controls a potential separation is required and a relay circuit board has to be connected ahead of each control. The relay circuit board requires a power supply of 24 V DC. 23 TEH_40/10.2017
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