– 18 –approx. 10 seconds. Then you canplace the device on the magnetcarrying frame (Fig. 1, III.). Theadhesive bond will reach its ultimatestrength after approx. 72 hours.DRILLINGDrill a hole into the installationsurface with a 6 mm drill bit andinsert the supplied 6 mm wall pluginto the hole. Guide the supplied5 mm countersunk head screw throughthe underside of the magnetic mount(Fig. 4) pictured below so that thescrew with be flush with themagnetic mount when it has beenscrewed into the wall plug. Push thescrew through the drilled hole.The screw must be fully screwed intothe recess provided on the magneticmount to ensure that the unit is heldsecurely. Take care not to fasten thetones, the unit will continue tofunction for a maximum of 60 daysand needs to be replaced before this60-day period has expired!INSTALLATIoNThe RM 20 is hold in place by amagnetic mount. This mount canbe fastened to the ceiling in twodifferent ways, as described below.Please note that only one side of themagnet can attract the unitmagnetically.ADHESIVE MoUNTINGTo mount the device using adhesion,only the adhesive included with theproduct may be used! The assemblysite must be fixed, dry and free ofgrease, dust and loose paintworketc. As shown in (Fig. 3), remove theinformation sticker and the protectivefilm from the applied adhesive andpress the magnet carrying frame tothe assembly position firmly forFig. 3oAnltg RM 20_D_GB_F_NL_I_11.2012.indd 18 14.11.12