Air conditioners were invented in the United States of America in 1902 by engineer Willis Carrier. He created an innovative device for a major New York print shop.
Such a system was intended not only to protect the employees of the printing house from the high temperature in the room, but also to effectively combat high humidity.
Quick reference
In the middle of the twentieth century, portable air conditioners were produced, which were intended for one room. They became known as "windows". For the first time, the creation of such exhaust devices was started in the USA and Japan, and a little later, production appeared in European countries.
The installation of such devices was quite simple, did not involve the use of any special equipment. And at present, window air conditioners are produced in large quantities, they are necessary for countries with hotclimate.
Split system
In 1961, the split system was developed, which became a big step in the development of the air conditioning industry. Japanese engineers managed to divide the air conditioner into two blocks. The indoor unit was placed inside the room, and the compressor (outer part) was installed outdoors.
First, such split systems were created, in which the indoor unit was placed on the wall, and then new models appeared, in which split systems had an internal part in the form of ceiling, column, floor, cassette and channel options. The repair of this type of air conditioning system was carried out by the companies that produce this equipment.
Further, multi-split systems appeared, which were air conditioners, where there was one external unit, and several internal units were allowed at once. Japanese design engineers have created a VRF system that can replace an entire central air conditioning system.
The device of a modern air conditioner
The compressor works in the split system, creates a vacuum. It, in turn, forces the freon to move in a circle. The gas evaporates, taking heat in the indoor unit, gradually turns into a liquid, and gives off heat in the outdoor unit. If you turn on the split system for space heating, the blocks change their functions.
Some models of air conditioners are additionally equipped with filters for fine cleaning. They help cleansethe air from the smell of cigarette smoke, allergenic flower pollen and even the smallest dust.
Need for examinations
Repair and maintenance of air conditioning systems is a must. It allows you to timely detect various technical problems and correct them.
Repair and maintenance of ventilation and air conditioning systems is a prerequisite for the operation of these systems, because in the event of equipment failure, there is a threat to human he alth.
Causes of malfunctions
In what situations is it necessary to repair the air conditioning system? The efficiency of the ventilation system may decrease for various reasons:
- when one or more ventilation ducts are clogged;
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in case of breakdown of equipment or its individual elements;
- in case of clogged filters or other nodes
A signal that the air conditioning system needs repair (maintenance) is condensation that appears on the mirror or walls, the spread of odors around the house, air stagnation in the rooms.
Such phenomena indicate an insufficient amount of fresh air, are an indicator of inefficient exhaust ventilation.
Before you start repairing the air conditioning system, you can hold a sheet of paper to the ventilation grille. Depending on its fluctuations, one can judge the quality of the ventilation system.
Work Options
With what intervalsDo you need to repair your ventilation and air conditioning systems? The frequency depends on the following factors:
- power;
- type of system;
- equipment type;
- purpose of the room
Maintenance of the ventilation system in an apartment building and a private house has significant differences.
Repair of air conditioning systems involves the following work:
- preventive and planned work;
- diagnostics and adjustment of equipment in the system;
- emergency service
Maintenance is carried out only by experienced technicians. In the absence of high-tech equipment in the system with a network of complex wiring of ventilation ducts, independent control and maintenance of ventilation devices is allowed. When cleaning exhaust units and supply valves, you can not involve specialists.
Maintenance Schedule
They are (as a rule) engaged in by the organization that designed and installed ventilation equipment. After signing the act on the performance of work on the installation of the air conditioner, it is advisable to conclude an agreement for the maintenance of the system.
In this case, the responsibilities are assigned to the organization that installs and configures the air conditioner. It is maintained by a service organization that has a license forcarrying out this type of work. In an apartment building, the ventilation ducts are maintained by the management company.
A standard maintenance schedule has been developed that defines a list of works related to ventilation maintenance, the frequency of individual nodes:
- heater;
- fan;
- shutters;
- electric modules;
- controllers;
- filter elements
Among the activities carried out with air conditioners, the works that are carried out daily are of interest:
- external inspection of equipment;
- recording the air intake on the supply devices, recording them in the accounting log;
- Checking the system for contamination, damage, leaks;
- assessment of the quality of equipment fixation;
- control of pressure and temperature of the coolant;
- electrical connection analysis;
- cleaning drainage systems
In addition to daily inspection, weekly assessment of filters, direction and speed of rotation of fans, belt tension is expected.
