At what height should the intercom be installed? How to connect the intercom handset in your apartment yourself

Intercom - convenient and practical element access control to the premises.

It is not surprising that they are increasingly being installed not only in entrances apartment buildings, but also in private mansions or even dachas.

To access a high-rise building, you need a multi-subscriber device. And for a private home it is better to choose a low-subscription one. Its kit contains a calling panel with one or two buttons and one or two internal units.

There are audio intercoms and video intercoms. The first ones are equipped with speakers and microphones, they allow you to hear and talk with the visitor. Video intercoms also make it possible to see him in order to finally decide whether to let him in or not.

Video intercoms come with monochrome and color images. Although the first ones are already considered obsolete, many still choose them because black and white are cheaper, and the picture is more contrasting and clearer. Especially at dusk and at night.

For data transmission in the vast majority of cases it is used analog signal. However, in subsequent years, more and more IP intercoms began to appear, which transmit a digital signal using standard packet data transmission. Signal transmission can be carried out by wire or “over the air” (radio communication).

Read the article on how to choose. In continuation, we advise you on which video intercom to choose for a private home?

Installation

It is quite easy to connect an intercom for a private home with your own hands, if you have an idea of ​​the principles of operation of the device and its component parts.

The set of a popular video intercom with analogue communication includes two main components - an external calling panel and an internal remote control.

The first is installed outside, next to the front door or gate - where the bell was previously installed.

The indoor remote control is installed in the house, in a convenient place.

Additional components can include another video camera, an electric lock on the door, or a DEC tube. The presence of these devices does not make the circuit much more complicated, since they are all connected to the internal remote control.

Installing an intercom in a private house consists of the following stages:

1. Cabling.
2. Installation of the external panel.
3. Installation of the internal panel.
4. Connection, configuration, connection of additional peripherals.

It is most convenient to lay the cable with your own hands at the stage of construction or repair, before the work is carried out Finishing work. If you have to put them in already finished house, then you can use special cable channels or ditch the walls and then seal them.

The cable is usually not included in the package and must be purchased separately. For a regular video intercom you will need a four-wire shielded copper cord.

Some stores sell special wires, where two ordinary copper conductors are adjacent to a two-core coaxial cable - this is more suitable option, because coaxial circuit provides additional protection from interference. If the intercom for a private house allows you to connect an electric lock, then it would be reasonable to add two more wires that will control the locking mechanism from the house.

The external calling panel is usually installed with your own hands when the finishing work is completed. Panels can be mortise or overhead. For mortise ones you need a niche in the wall, overhead ones are attached to a flat surface.

To attach the panel, you need to disassemble it (remove the cover), mark locations on the wall for mounting screws or bolts, drill holes, and screw the panel.

The interior remote control kit includes fastening elements. You need to attach them to the wall in a place convenient for you and then install the main unit. It is recommended to install both the outer and inner panels at a height of about 150 cm, so that they are located slightly below eye level. In this case, use will be most comfortable.

The most crucial moment is connection. There's really nothing wrong with it. The main thing: do not mix up the wires. The sockets on the panels are marked, “audio” needs to be connected to “audio”, “video” to “video”, etc.

One important point- if a coaxial cable is used, then it is preferable to use its core for transmitting the video signal, and the braid for the general cable (ground, GND). This scheme will ensure maximum sound and video quality.

The switching topology will look approximately like the illustration.

If you are installing a wireless device, then there is usually no need to lay a cable and connect it, you only need to supply power.

The connection diagram for an IP intercom differs in that it may not include an internal remote control at all, and instead you can use a TV, computer or communicator. Or you can connect several devices at once with your own hands using a simple network switch or router.

For switching, a standard eight-wire UTP, FTP or STP cable (“twisted pair”) and 8P8C connectors (commonly called RJ45) are used.

Cost of devices and installation services

The market offers wide choose models of different price levels, with different sets of additional devices.

Model	Prices
Eplutus EP-2280	3300−3600 RUR
Eplutus EP-2230	4100−4500 RUR
Tantos Amelie	6000−6300 rub.
Gardi Ireas	6300−6500 ​​RUR
Kocom KCV-A374SD	8000−8500 RUR
Commax cdv-70ux	15,000−17,000 rub.
BAS-IP AG-04	15,500−17,000 rub.

If there is no desire or opportunity to make the connection yourself, then you will need to pay from 9-12 thousand rubles for the services of specialists.

Installing an intercom in a private house - great way make life easier for yourself and your guests, make your home safer and more comfortable. And if you know how to lay the cable with your own hands and screw in the screws, you can spend a very modest amount.

However, if you want to have a modern smart House where the intercom is integrated into the local network, where you can communicate with a visitor from literally every room, then it is wiser to choose a more expensive, but modern model with IP data transfer protocol.

You can buy the most basic kit, and then supplement it with an electric lock, another camera and other peripheral devices.

It is worth paying attention to additional functions:

• IR illumination for night observation;
• GSM module for sending messages to the owner’s phone;

Free access to the entrance apartment building disrupts the peaceful living of apartment owners. During the cold season, such entrances often become a haven for noisy groups of teenagers or a place to sleep for people without a fixed place of residence. Residents' war with uninvited guests can sometimes end in tragedy.

In order to ensure the safety of living in apartment building install intercoms. Legal issues of holding this event cause disputes and contradictions between apartment owners. Let's figure out how to install an intercom in an apartment building in accordance with the law.

If not everyone needs an intercom

Installation of an intercom begins with general meeting residents of the entire house. The decision on the need to install the device is made if there is a positive answer from more than half of the total number owners.

Among the residents there are always those who are against the installation. Often these are pensioners who feel sorry for money. There are also residents who believe that restricting access to the entrance violates their rights. They are not going to install a telephone line at home, and it is not very convenient for them to run downstairs to let their guests in.

Despite the refusal of some owners to install an intercom (if there are less than 50%), the decision will be considered positive.

Who will do the installation

After making a decision about installation, residents have next question“At whose expense is the intercom installed?” The answer to this question can be found based on the way the house is managed.

Directly by apartment owners. IN in this case All owners independently find an organization that installs intercoms. They enter into an agreement with her and pay all the costs of installing the device and additional amounts associated with the installation of intercom handsets in the apartment and the purchase of keys. If the door at the entrance is old, installation of a new metal entrance door is also required.

The house is managed by the HOA or Management Company. It is these organizations that respectively take responsibility for installing the intercom. But as practice shows, companies can only pay part of the amount. The rest of the money comes from the residents' pockets. Residents pay additionally for the purchase of a full set of keys and installation of the handset.

Please note that after installing the intercom, all residents of the house must be told the code by which you can open the door if you have forgotten or lost the key.

In order to save money, you can install the intercom handset yourself. This does not require specialized education or special equipment. The main thing is to follow the instructions correctly. To install the handset, a telephone cable is laid to the apartment. The wires are connected to the tube according to the diagram. Attaching the handset to the wall with your own hands is not so difficult - just screw in a couple of screws and hang the handset on them.

Which intercom to choose

On Russian market There are many companies that manufacture intercom devices. High tech production allows us to produce improved models every year. What kind of intercom system there will be in the house is up to the owners to decide.

When choosing an intercom, you should pay attention to the switching system. Based on this parameter, coordinate and digital intercoms are distinguished. Their difference lies in the wire through which the connection to the apartments is made.

When installing a digital intercom, one line is laid to connect the switch with all apartments. The coordinate system is designed in such a way that each apartment will have a separate wire connecting it to the switch.

Today, digital intercoms are considered more reliable in operation. But their price is three times higher than the price of coordinate ones.

Another characteristic worth paying attention to is the type of connection. There are audio and video intercoms. The difference between them is the presence of a display on which you can see who is calling. The video intercom provides high security; thanks to it, no strangers will be able to get inside the entrance. But the cost of such devices is high. Apartment owners for the most part give preference to audio intercoms.

Who pays for intercom service

From the moment of installation, the intercom acquires the status of common property and belongs to all apartment owners in the building. According to current legislation, the residents themselves pay for the maintenance and upkeep of the property. After the intercom appears at the entrance, a new receipt will appear in your mailbox.

The obligation to pay amounts for the maintenance of this device is also assigned to those owners who did not install tubes in their apartments.

Previously, people did not think that someone could enter their entrance and cause damage to the property located in it. IN Soviet time there were wooden entrance doors, and on staircase landings Flowers were blooming in pots.

Perhaps the reason for the vandalism of the entrances was the dashing 90s, when the morality of the people wanted better. That's when they began to invent and install various means protection from ill-wishers. At first these were combination locks installed by housing and communal services, then they were replaced by intercoms. Let's see what else they will invent to protect common property.

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In order to independently carry out such a complex procedure as installing intercoms, you need to thoroughly study all the instructions and strictly follow them. First you need to prepare all the tools and materials. Among the main tools it is worth highlighting:

• Drill;
• A special nozzle for gating walls;
• Insulating tape;
• Screwdriver;
• Pliers;
• Dowels;
• Putty;
• Alabaster;
• Latex gloves;
• Shielded twisted pair;
• A tool used to strip insulation from cables.

Features of choosing an intercom kit

Before you start installing an intercom yourself, you need to choose the device that is most suitable for a particular case. At the same time, the financial capabilities and basic needs of the owners are taken into account. The resulting estimate should not exceed acceptable standards. The simplest option is an audio intercom. It includes an audio calling unit and an audio handset. With its help you can only talk with the visitor.

The second option is a video intercom. It comes in color and black and white. Using such a device, you can not only talk with the visitor, but also see him.

Many modern products operate electric locks, so installing them will be great solution for the office. In addition, they are useful for private homes, because you can install the device on the gate and control the entrance, protecting the territory from unexpected guests.

After selecting the required kit, an estimate is drawn up, taking into account all necessary materials and tools.

Organization of electrical protection

When installing the device yourself, you need to take care of connecting to electrical network, which must be protected by a special 10 A fuse or a 16 A circuit breaker. To ensure additional safety, it is recommended to additionally install a 30 mA residual current device.

There are two main types of power supply:

• The intercom does not have an integrated transformer; it must be additionally connected to the device and the electrical network;
• The intercom needs to be connected using a power cord simply to an outlet. In this case, the transformer is already integrated.

It is known that the estimate depends not only on the choice of materials, so it is necessary to take into account the type of power supply when compiling a list of all expenses.

How to correctly determine the installation location?

The handset of the device can be installed anywhere by choosing the most appropriate place in the apartment. When installing it yourself, you need to take into account that the sound of the bell should be clearly audible. The standard place for the tube is the wall near the front door.

To carry out installation correctly, you need to listen to some tips:

• It is undesirable to install the device on parts of the door that move, because during movement there is often an impact that can displace the video lens;
• When installing the intercom, you should not bring the cable outside, because attackers can easily cut it;
• When installing the device with your own hands, you cannot immediately firmly fasten all the screws, because if the electrical cables are laid incorrectly, you will have to redo everything. You need to be able to make changes at any time;
• When performing installation, the control seal on the device must not be broken.

Carrying out preparatory work

Laying the cable is considered the most labor-intensive procedure, but by doing everything yourself, you can save money and the estimate of all costs will be much lower. You need to find the end of the wire that comes from the front door and the audio calling device placed on it. It may be inside the shield located on the staircase.

Having found the required cable, you need to lengthen it a little by connecting it to a special “twisted pair” cable, which must be connected to the intercom itself. When installing an intercom, take into account that the length power cable should be no more than 40 meters, because if the distance is too great, you can lose the signal.

From inside the walls lay an extended wire; to do this, you need to punch special channels into the surface with your own hands. This is why a special nozzle is used. After moving the cable into the channel, all that remains is to fill the grooves with alabaster, and then putty everything.

It is best to install it in special plastic channels. This option is considered the safest for walls. Such channels simply need to be laid along the door frame (if the tube is installed near the door).

When installing the device yourself, you need to ensure the integrity of the cable in the front door; to do this, it is placed in a specialized corrugated pipe. It is necessary to avoid kinks in the wire and its sagging. It is necessary to carefully install the wire coming from the intercom, making sure that it is away from the power cables.

The standard product package includes a diagram for laying the power cable and installing the intercom.

If you plan to change the device in the future, you should calculate this during the construction phase. It is necessary to provide trenches by laying special corrugated pipes with additional steel broaches in them. In order for the device to work better, it is advisable to avoid any additional connections between the indoor intercom and the outdoor call panel. If the wiring has already been installed, before purchasing an intercom you should check the number of wires, because the estimate should not contain unnecessary expenses.

Installing an intercom inside an apartment

The phased installation of intercoms consists of several stages:

• Marking. It is necessary to decide on the height of the intercom panel, which will be convenient for all household members. To do this, you need to put two points, maintaining a distance of 20 centimeters between them. Then you need to draw horizontal line and draw a rectangle up, the size of which will be larger than inner panel intercom. When doing everything yourself, you should remember to check the markings using a level. Then, along the perimeter of the resulting figure, you need to draw a larger rectangle for the outer tier of the niche. The recess should be located close to the electrical wiring;
• Hollowing out. Works best when installed with brick wall, because other materials do not lend themselves well, and concrete can burst. First you need to hollow out the inner rectangle. The outer tier must be cut down to just the thickness plasterboard sheet. Then, using the grating method with your own hands, you need to make a channel for the wiring, leading it to the internal recess, hollowing out a small cavity for the socket in the back surface;
• Niche finishing. The electrical network is inserted into the socket well, and the wires are insulated for the time being. Then the socket box is installed, and all surfaces are leveled with plaster. Cable from external panel you need to cover it up, bringing out their ends. After drying, the unevenness is smoothed out with putty;
• Electrification of the niche. When everything is dry, it is necessary to prime the internal surfaces by covering them with simple enamel paint. Then the socket is installed and connected, while your hands must be protected with gloves;
• Shield installation. You cut out a piece of drywall with your own hands, suitable in size for the outer tier. It sticks to pre-installed aluminum profiles. To install the device, small cuts are made opposite the centers vertical profiles. An intercom clamp is installed in the resulting hatch;
• Exterior finishing. To complete the installation, all that remains is to finish the area where the intercom was installed.

When installing the device with my own hands, you will be able to save a lot, but it is advisable to consult with experienced specialists before starting work.

In modern entrances, special conversational devices are most often installed as access devices. They allow you to protect your safety and the safety of your property. Connecting the intercom Vizit (Visit), Falcon Eye, Commax (Commax) and Metacom is most often carried out by special service companies, but this can be done with your own hands.

Intercom design

An intercom is a device that allows someone to enter a room, or vice versa, to deny entry, without direct contact with him. The device gained particular popularity literally in last decade, previously combination locks were most often used to protect front doors.

Photo - system design

An intercom in an apartment or private house consists of a handset, a calling panel, video equipment (if additional connection for monitoring a door or gate is required), a lock and a switch. Let's consider functions of each part:

As an additional security feature, the call can also be supplemented with the ability to connect a video intercom (Kenwei KW-4HPTN, Kocom KCV-A374SD). In this case, all data is transmitted using the camera to a special TV or computer. Unlike an audio intercom, a video system is more reliable in use, because in addition to making a call, visitors are also visually monitored.

Photo - video intercom wire connection diagram

Types of intercoms

There are several types of intercoms that are used to protect against uninvited guests in an apartment or private building. Their connection varies depending on the type:

1. Digital (Eplutus EP-2297C, Gardi GRD, Hyundai HA-201);
2. Coordinate matrix (AVC-305, Commax CDV-DPV-43 MTN, Laskomex).

Digital They work on the following principle: when making a call, they transmit a signal over a two-wire line, in which the number of the connected apartment is recognized. In this case, so-called jumpers are used for pairing, which transmit signals through a twisted grid to a specific handset. Each tube, in turn, is equipped with microcircuits. It is very convenient that you can connect all apartments not only in the entrance to such a controller, but also on a specific floor.

Intercom connection diagram coordinate matrix type simpler and more reliable, therefore it is more popular. A switch is connected to the coordinate communication device, which switches the signal to a specific handset when calling. The connection is made using wires of tens and ones, i.e., each apartment is designated by two cables, the numbers of which are not repeated. To establish communication, the signal is sent through the DAT1 line to the switch. After this, the modulator transforms and processes the received information and connects to one specific “Unit” and one “Ten”. Afterwards, thanks to an electromagnetic relay, a connection is made to a specific apartment via a LIN telephone line.

Photo - digital model connection diagram

Most often, such a connection is parallel, which greatly facilitates self-installation. The only thing you need to remember is the polarity of the intercom calling panel, electric lock and apartment handset. If electrical connection is performed incorrectly, the operation of not only a specific subscriber, but also the entire security system is disrupted.

Photo - intercom control unit

Rules for installing VIZIT intercoms

Connection

Step-by-step instructions on how to independently connect the Eltis, Cyfral (Digital) video intercom with the z 5r controller:

1. You can connect a key reader (touch memory) or a buzzer, a button that will be used to open an electromechanical lock, a backlight, the lock itself and a power supply to this controller;
2. The buzzer and door sensor are optional parts, while the operation of the entire system depends on the door open button and power supply. If necessary, a screen can also be installed; optical control can be carried out through the monitor;
3. To connect the board, a terminal block is most often used, the contacts of which are connected to necessary wires networks;
4. Afterwards, simply connect all the necessary wires to the apartment tube and check the correct polarity.

Domestic intercom models are also very popular, in particular the KS-2006. To connect them, schemes with two switches, one connection module, for several subscribers, etc. can be used.

What to do if the Faktorial or Eltis intercom is disconnected from the power supply:

Prices for repairs or installation of intercom systems may vary depending on the city and the specific company. On average, the price of connecting an intercom varies between 200–500 rubles (the price is indicated only for the work, without the price list for the wires used). For example, connecting the MVK-325 UKP calling panel in Moscow and St. Petersburg will cost 500 rubles.

Many people who have private houses or summer cottages are increasingly beginning to think about convenient system security and access control to your territory. The simplest and affordable option today there is an individual intercom that can be easily installed on our own without the involvement of specialists. To do this, you just need to strictly follow the manufacturer's instructions. If you have such a device, you can completely protect yourself from the visit of uninvited guests.

Why is it necessary to install an intercom in a private house?

The main task that an intercom should perform is to ensure the safety of home owners and protect them from unauthorized visitors. It is very important to have an audio or video intercom if there are elderly people living in the house or if there are small children who most need the maximum degree of protection. The presence of an intercom will help protect people from danger that may arise due to excessive carelessness.

Installing a video intercom in a private house helps ensure the safety of residents due to full control over the area in front of the gate

Thanks to the intercom, you don’t have to leave the house and walk across the entire yard to the gate in order to see who has arrived, since you can communicate with the visitor via audio or video communication and, if necessary, let him in by pressing a button on your device.

But before purchasing such a device, you need to decide exactly for what purpose it will be used and how much you are willing to spend on your safety. That is why every person should know what types of intercoms currently exist, what functions they perform, what types of locks exist for these devices and how much all this equipment costs. It is also very important to know whether, if necessary, you can install an intercom in a private house with your own hands.

Types of intercoms and standard connection diagrams

According to their own design features Intercoms differ in the type of signal they transmit. Devices can transmit a signal from the call panel to the main unit via audio or video:

Often, audio intercoms are installed in the entrances of multi-storey buildings, where they mainly play a warning function. A video intercom is more useful for private houses, since in a high-rise building it is installed only near the apartment door and is not intended for public use.

In a private household, a video intercom will play a big role, since the owner can not only hear, but also see the visitor and, if necessary, not allow him into his territory.

Modern intercoms, in addition to the basic elements (ringing device, locking lock, telephone handset and power supply), can be equipped with additional functionality:

• answering machine. If the owner is not at home, then thanks to this function he will be able to listen to the recordings left by people who came, and even receive them on his mobile phone;
• motion sensor. This device detects a visitor who is within its coverage area. When a person appears near the device, his image is instantly transmitted to the monitor of the TV connected to the intercom;
• memory block. Thanks to this function, the visitor's image is recorded on a special device from the moment the call button on the intercom is pressed. As the memory becomes full, old entries are erased and replaced with new ones.

At the request of the home owner, the intercom can be equipped with an unlimited number of monitors and additional CCTV cameras.

Basically, all intercoms are connected to calling panels using wires. There are also wireless devices, but their range is quite limited. Today there are three standard schemes wired intercom connection:

Home intercom device

Video intercoms are very popular among private home owners. Therefore, we will look at their device in more detail.

The outdoor unit, which is mounted at the entrance to the house, is equipped with a video camera and a call button. There is also a negotiation device here, which allows you to communicate with the owners if video communication is not enough. The video camera can transmit black and white or color images.

From the call panel you can call the monitor and talk with the owners, who will see the visitor on the screen

Depending on the installation method, call devices can be mortise or overhead:

• mortise panels are more expensive, but they are better protected from burglary and various climatic conditions;
• overhead blocks are produced in durable plastic cases, but they still wear out more and are subject to various mechanical damage. For such panels domestic producers offer durable protective covers that protect the device from damage.

Indoor unit (monitor)

The indoor unit is a black-and-white or color monitor, depending on the model. Black and white monitors are already a thing of the past and are practically no longer produced. Color models are equipped with a screen with a diagonal size of 10 cm and a handset or speakerphone button for answering calls. The monitor also has a button to open the lock, keys additional functions and buttons or knobs for adjusting sound and picture.

Most modern video intercoms have a speakerphone button instead of a handset

Types of intercom locks

You can connect an electromagnetic or electromechanical lock. Both options work from the network, so we will look at the principle of their operation and characteristics.

An electromechanical lock is a modern intercom locking device that opens with one press of a button or a special key. It operates on 12V, so it requires a step-down transformer.

Advantages of the castle

1. Allows you to open a gate or door at a certain distance (when connected to an intercom).
2. Can work even in the absence of electricity (without the possibility of remote control).
3. Produced with high level privacy and security.
4. It can be equipped with a motor that is powered by a small electric motor.
5. It has an electric latch that opens by turning the handle.

When choosing such a lock for outdoor use, you must keep in mind that it front side There is a button that you can reach with your hand, leaning over the fence, and open the gate. A street lock with electromechanics can be mortise or overhead.

You also need to know that in the event of a power outage, only the overhead version of the lock will be able to work.

Before purchasing such a lock, you need to find out for what type door leaf does it fit and what is the principle of its operation. Experts recommend Polis or Fass Lock brand locks for a private home.

The electromechanical lock has a manual opening button, so intruders can enter unnoticed by leaning over the gate or reaching the button through cracks in the door leaf

An electromagnetic lock is designed to close a door or gate and keeps it closed by means of a powerful electromagnetic board that attracts a steel plate mounted on the door or gate. The electromagnet is mounted on door frame or piping the gate, and the steel plate is attached to the door or gate itself.

In closing mode, a current is supplied to the magnet winding, which creates a powerful electromagnetic field that quickly attracts the steel plate. As a result, the gate, held by the magnet, is in a closed state. In order for it to open, the tension must be removed from the lock. This is done by pressing a button on the intercom: the circuit opens, the electromagnetic field disappears and the gate opens.

The electromagnetic lock only works when voltage is applied to it, so if your power suddenly goes out, the gate may remain open

By their design, locks can be pull-off or shear, as well as overhead and mortise.

The most popular are overhead models that work on tear-off. Due to the fact that such locks do not contain moving or rubbing elements, they serve long years and can work in any weather conditions.

But if the power supply suddenly stops, the lock will stop working and the door will remain open. To prevent such situations, you will have to install an uninterruptible power supply system.

Electromagnetic locks vary in the strength with which they hold front door. This value is set in kilograms and should be much greater than the mass of the wicket. For medium-sized gates, a lock with a holding capacity of 300–400 kg is sufficient.

How to install and connect a video intercom yourself

In order to begin installing the intercom, we will need the following tools:

1. Sharp knife.
2. Powerful hammer drill and drills.
3. Electric screwdriver.
4. A spatula and a peak or a wall chaser for creating grooves in the walls.
5. Grinder and discs for cutting metal.
6. Various screwdrivers.
7. Convenient pliers.
8. Nice hammer.
9. Spatula and kneading utensils.

In addition, you need to prepare:

1. Power cable (length is calculated individually).
2. UTP cable (twisted pair).
3. Several outlets.
4. Automatic switch.
5. Self-tapping screws and dowel-nails.
6. Electrical tape, protective clothing.
7. Corrugated pipe for wires (straight can be used).
8. Cable channels.
9. Putty mixture for sealing grooves.
10. Drills of different diameters.
11. Perforated tape and hardware.

Step-by-step installation diagram for a video intercom with an electromechanical lock

1. We choose a convenient and accessible place on the wicket or gate to place the calling panel. We disassemble the panel and mark its installation location. We drill holes for fasteners and wires.

   

   The calling panel can be installed at an angle to the surface of the gate, for which a special adapter is included in the kit

2. WITH end side run the four-wire wire and connect it as indicated in the instructions.
3. We lead the cable to the installation site of the controller, which is a plastic box located near the lock. This way we will have to run fewer wires and it will be more convenient to make connections. The controller can be installed in a panel on the street or walled into a wall.

   

   The lock controller is a small printed circuit board, which can be mounted in plastic box next to the castle or walled up in the wall

4. We install a reader next to the calling panel, and with reverse side gate - exit button. We connect the wires (two wires) from each device to the controller and connect them to the appropriate connectors (DALLAS and “EXTERNAL SD” for the controller and “BUTTON” for the exit button). We connect the wires from the calling panel parallel to the exit button.
5. We check the correctness of all connections. Unscrew the call panel and screw its back wall with self-tapping screws to the installation site. Let's put it back together.
6. Next, we go into the house and install the monitor. We attach the bracket included in the delivery kit to the dowels. There should be a 220V outlet nearby. If it is not there, you will have to get a power cord from electrical panel. Then it is better to connect the equipment to separate machine and sign. This will make it much easier to deal with the wires in the future. After this, we hang the monitor on the bracket.
   

   

   The video intercom monitor is hung on a bracket, which is attached to the wall with self-tapping screws

Install the power supply. It must supply voltage to the lock and all devices located on the gate. It is best to use an outdoor device and mount it next to the lock. For electromechanical locks, a 12 V and 3 A power supply is required; for an electromagnetic locking device, a 12 V and 1 A source is sufficient.



It is better to power the lock, controller and other components of the access control system from a source located nearby

We lay the cable. Wires running along the street are run underground in special engineering tubes made of plastic or metal. In total, you need to lay one four-wire cable to connect the monitor and the calling device and one two-wire cable to supply voltage 220 V. But since the cables will go underground, it is better to lay them with a reserve, taking into account the appearance in the future of new elements of the system: additional video cameras, gate control devices, security sensors etc.



For underground installation, cables are pulled into corrugated hoses and laid in a dug trench in plastic or metal pipes

7. We do wiring in the house. It can be either open or recessed into the walls. But to lay the wire hidden, we will have to ditch the walls and then cover them with putty and alabaster. It is best to do preliminary closed wiring for intercom when the house is just being built or renovated. If there are no embedded cables, but you don’t want to spoil the wallpaper or paint, choose open type wiring. To do this, we lay cables along the walls outside, running them into plastic cable channels.
8. We connect a four-wire cable to the intercom according to the following diagram:
   • yellow - audio channel;
   • black - general;
   • red - 12 volts (“plus”);
   • white - video image.
9. We install a lock on the gate. The surface of the counter plate must be installed without distortions, otherwise the lock will not fit tightly to it and close. Since the lock operates using a relay, a common wire is connected to it, and the positive contact is connected to the controller (terminal “+12 V”). All work must be carried out with the power turned off.

   

   The electromechanical lock has a tongue that must fit tightly into the strike plate

10. We program the keys. In order for the owners to enter the house, they need to be provided with access keys. Information about each identifier is recorded in the controller's memory. When turned on for the first time, it will respond with infrequent signals of sound and light. First you need to create a master key using a special procedure described in the instructions. Then, one by one, we bring each subscriber key to the reader and wait for the confirmation signal. In this way we write to memory required number identifiers, ensuring that the time between entries is no more than 16 seconds.
    

    

    After programming, information about the access code from each key is recorded in the controller’s memory, and the device is allowed to pass

11. We check the operation of the intercom. To do this, we make a call from the panel - the monitor must give a signal. We pick up the phone, talk to check the volume and sound quality, and also try to open the gate. If all actions were successful, it means that we installed the intercom correctly and you can use it. Difficulties usually arise with the installation of the lock and controller. Therefore, when problems are detected, the first thing you need to do is carefully check that all connections to this device are correct.

Video: how to install an intercom with your own hands

Device and features of connecting a video intercom

To connect a video intercom you will need a cable with four cores. You can purchase a special wire in the store, where two copper wires are located next to a two-core coaxial wire. It's called a video combo cable. Typically, cable brand KVK-P 2x0.75 is used.

The video intercom is connected to the calling panel using a combined video cable, which has one shielded core

Two more wires are added to the lock, which will allow you to control its mechanism without leaving your home. The call panel is usually screwed at a height of 150 cm from the ground.

If we install a wireless intercom, there is no need to lay and connect a cable. You just need to supply the power correctly.

Video intercom Quantum QM-4HP

Many people prefer to install a convenient, practical and reliable Quantum QM-4HP video intercom in their private home.

Quantum QM-4HP is one of the most popular models among private home owners

Its main characteristics:

• four-inch (approximately 10 cm diagonally) CRT monitor;
• parallel operation of up to 4 monitors in one system;
• door open button;
• connection of one calling panel;
• installing a video memory unit;
• connecting an additional audio tube.

Connection diagram for video intercom Quantum QM-4HP

The video intercom is connected using a standard four-wire circuit, which we described above. Therefore, this model can be used to install an access control system in a private house according to the step-by-step instructions we provided.

Quantum QM-4HP video intercom can be used with an additional video camera and a memory unit for 32 frames

In order to install the intercom correctly, you must strictly follow all the manufacturer’s recommendations and understand the intricacies of installation electrical wires and devices. If you do everything according to the instructions, you will not have to involve specialists and spend additional money on installing this device. And in the end, you will get an excellent intercom with an audio or video system, which will make your life in a private home much easier.

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