Do you wish to install the intercom independently? It is quite easy to make it, without addressing to the specialized company. The cheapest intercom – audiotube. You can choose more expensive model or install the video intercom. Everything is depended only on your wishes and financial opportunities.
Choice of the device
Installation of the intercom begins with the choice of the calling device. It is installed outside of the room and allows to do call to the subscriber and to conduct with it negotiations. In shops the wide range of devices is provided, the prices depend on intercom model. Devices for call intend not only for call to one or two subscribers. On sale there are also multisubscriber intercoms. Buy suitable set. If you do not wish to spend the large sum, it is worth looking narrowly at the simple audiointercom.
Speaking about video intercoms, it is necessary to tell that they are black-and-white or color. Having installed such device, you not only will be able to conduct negotiations, but also to see space in front of gate or door. Connect several hidden cameras, it will allow to increase viewing angle. Electrical locks can also be operated by means of the intercom.
After you have chosen set, define device installation site. Consider that not only the viewing angle, but also convenience of use of the intercom depends on it. It is the best of all to install the calling device about outer door at the height about 155 cm from floor. As for the intercom, it can be established in any place of the house or the apartment.
Connection of the intercom
After you have defined the most suitable place for the intercom, begin to lay cable. From that, how qualitatively you complete this stage, stability of operation of the device depends. It is the best of all to buy special cable or screened "twisted pair cable". Consider that the cable should not be longer than 30-40 meters. If you are going to put electrical lock with management, buy additional voltage cable and lay it to door. The scheme of connection of the lock can be different. The cable, in one case, goes from door to the intercom, and in another - from door to the calling device. Besides, you should bring feeder cable of 220 V to intercom installation site. Now it is possible to pass to equipment installation. If all of you have executed steps correctly before, then this process will not take a lot of time. The equipment fastens self-tapping screws. At first it is necessary to plan spaces for fixing screws. After that it is worth drilling openings and to connect electrical wiring. Fix the equipment and include in network. The device has to start working. Be attentive at connection, do not mix wire. Though it is almost impossible to be mistaken here. If work has seemed to you difficult or you are not sure of the forces, it is the best of all to address professionals.