15Where smoke alarm devices should not be installed Outside (use only in closed rooms) In rooms in which the alarm could be triggered bydisturbance variables (steam, condensation, “normal”smoke, vapour, dust, dirt or grease) Next to an air duct or similar ventilation opening (draughts) In areas in which the temperature can fall below 0°C orrise to over 40°C On unstable surfaces with designs that render themunsuitable for installationInstallation and start-upTake the following steps in the specified order to install the detector on theceiling.1. Loosen the device from themounting bracket by turning itanticlockwise.2. Remove the battery insulating stripto electrify the device.