Fundamentals of designing ventilation and air conditioning systems. Modern approach to design. Commissioning works and service of ventilation and air conditioning systems
Special course on the program on the subject of refrigeration supply of ventilation and air conditioning systems:
Topic 1. Basic air parameters. Analysis of processes of changes in the state of air. Air temperature by dry and wet thermometer. Dew point temperature. Psychrometric temperature difference. Absolute and relative humidity. Moisture content. Specific heat capacity and enthalpy. Density of dry and humid air. Partial pressure of water vapor. Processes of heating, humidifying, cooling and dehumidifying air. Processes of mixing external and internal air. Examples of calculations.
Topic 2. Calculation and selection of equipment for cleaning and heat and humidity treatment of air. Dry air heating. Calculation of processes and equipment. Heating with air humidification. Calculation of processes and equipment. Air humidification. Calculation of processes and equipment. Dry air cooling. Calculation of processes and equipment. Air cooling with simultaneous dehumidification. Calculation of processes and equipment. Air dehumidification. Calculation of processes and equipment. Filters, device; cleaning classes; calculation and selection. Selection of equipment for premises for various purposes. Examples of calculations.
Topic 3. Design parameters external and internal air. Design parameters of outside air. Design parameters of indoor air for premises for various purposes (taking into account the requirements of SNiP, SanPiN, technological standards, etc.).
Topic 4. Calculation of heat and moisture inflows. Determination of air flow. Calculation of heat inflows in the warm and cold periods of the year using standard methods and average indicators. Calculation of moisture inflows in the warm and cold periods of the year. Determination of air flow from the condition of extinguishing heat and moisture excess. Air exchange rate. Recommended air exchange extreme values for premises for various purposes. Determination of air flow taking into account the recommended air exchange rate. Examples of calculations.
Topic 5. Construction of processes for heat and humidity air treatment in ventilation and air conditioning systems. Construction on the J - d diagram of air treatment processes in ventilation systems and local devices; construction of air treatment processes in central air conditioners. Determination of the specific load of heat, cold and moisture on equipment. Calculation of system performance: heating, cooling, humidifying and drying capacity. Examples of calculations.
Topic 6. Construction of ventilation and air conditioning systems. Calculation and selection. Installation of ventilation systems for premises for various purposes. Equipment selection. Local air conditioners. Fan coils. Device. Calculation and selection. Installation of direct-flow and recirculation central air conditioners. Calculation and selection. Heat recovery units. Design, calculation and selection. Examples of calculations.
Topic 7. Air distribution systems. Calculation and selection. Purpose, device. Methods of supplying air to rooms. Air distribution devices. Air ducts and distribution channels. Calculation and selection. Calculation of air distribution systems for premises for various purposes.
Topic 8. Refrigeration supply of ventilation and air conditioning systems. Refrigeration schemes for direct cooling and cooling using coolants. Installation of equipment for refrigeration supply of ventilation and air conditioning systems. Calculation and selection refrigeration equipment.
Topic 9. Automation of ventilation and air conditioning systems. Automatic regulation room air temperature. Automatic control of air humidity in air-conditioned rooms for various purposes. Automatic protection of air heaters from freezing; blocking equipment electric drives and air valves. Alarm for emergency increase in air pressure behind the filter. Options remote control. Interrelation with the automation of the refrigeration machine.
Topic 10. Energy saving measures in ventilation and air conditioning systems. Selection of rational parameters of external and internal air; operating temperature difference. Choosing an energy efficient air distribution system. Introduction of heat recovery systems and use of natural cold. Selection of refrigeration and automation options.
Topic 11. Methods for designing and calculating ventilation and air conditioning systems for premises of food enterprises. Basic regulations designing production systems for comfortable and comfort-technological air conditioning for heat and moisture-stressed premises. Design of technological air conditioning systems (design examples for meat processing, dairy, cheese making, fish processing and other enterprises Food Industry).
Please check with the managers for the exact cost of training.
Courses for industrial and commercial refrigeration technicians from scratch. Theoretical training and practical training in installation, repair, and maintenance of refrigeration systems and installations.
Purpose of the course:
- Prepare students for independent work in their chosen specialty.
Learning outcome:
1. Knowledge:
- devices and principles of operation of refrigeration systems;
- safety rules and first aid in case of accidents;
- theories of obtaining low temperatures in industrial and domestic refrigeration units;
- basics of electrical installation;
- regulations for carrying out service and repair work;
- typical malfunctions of refrigeration systems and equipment.
2. Skill:
- understand system diagrams and drawings;
- diagnose faults using special equipment;
- apply professional tools and fixtures;
- carry out repairs of various levels of complexity and the whole range of work on servicing refrigeration equipment.
Documents received upon completion of the course:
- a certificate of the established form with the qualification of a mechanical technician.
Initial training requirements:
- presence of secondary specialized or higher education.
Course curriculum
Lesson 1
Rules for labor protection during the operation of freon refrigeration units, rules fire safety, instructions for first aid in case of accidents at work.
Lesson 2
Physical basis for obtaining artificial cold. Refrigerants and coolants.
Lesson 3
Equipment, components and parts of refrigeration systems.
Lesson 4
The principle of operation of a refrigeration machine.
Lesson 5
System diagrams, drawings of elements. Pipelines.
Lesson 6
Devices and tools for repair work, diagnostic equipment.
Lessons 7-8
Basic operations during repair and maintenance of refrigeration systems.
Lesson 9
Service maintenance refrigeration systems.
Lessons 10
Requirements for repair work.
Lessons 11-12
Basics of electrical installation.
Lessons 13-14
Troubleshooting refrigeration systems, typical faults. Use of diagnostic equipment: tools, special equipment.
Lessons 15-16
Repair and maintenance of freezers.
Classes are conducted by: Chief specialist of the Evistrade company, Nikolai Vasilievich Lyulin, who has more than 40 years of practical experience in the field of designing SCR at civil and industrial construction sites.
Upon completion of the training program "MP3 - Refrigerators and refrigeration units. An example of the design of refrigeration centers" The student receives a Certificate of completion of the additional professional training program and a Certificate of the established form for short-term advanced training
Duration:Full-time education 5 days
Cost of education: 20,000 rub.
Nearest group: recruitment is underway
Information about the DPO program
Topic 1. Theoretical foundations of obtaining cold.
Basic concepts and definitions
Topic 2. Principles of operation of a refrigeration machine
2.1 Basic concepts related to the operation of the refrigeration machine
2.2 Diagram of the compression cooling cycle
2.3 Theoretical cooling cycle
2.4 Real cooling cycle
2.5 Evaluating the effectiveness of the cooling cycle
Topic 3. Basic elements of a refrigeration machine
3.1 Compressor
3.1.1 Piston compressors
3.1.2 Rotary rotary compressors
3.1.3 SCROLL compressor
3.1.4 Screw compressors
3.2 Capacitor
3.1.1 Air-cooled condensers
3.2.2 Water-cooled condensers
3.3 Evaporator
3.4 Fan
3.5 Flow regulator
Topic 4. Operation of a refrigeration machine in heat pump mode.
Topic 5. Operation of a refrigeration machine at low ambient temperatures.
Topic 6. Schematic diagrams of refrigeration centers with refrigeration machines with air-cooled condensers.
6.1 Single-circuit circuit diagram refrigeration center with monoblock
6.2 Single-circuit schematic diagram of a refrigeration center with refrigeration units
indoor machines and remote condenser units
6.3 Single-circuit schematic diagram of a refrigeration center with monoblock
indoor refrigeration machines
6.4 Double-circuit schematic diagram of a refrigeration center with monoblock
outdoor refrigeration machines
Topic 7. Thermal insulation of pipelines.
7.1 General provisions
7.2 Calculation of thermal insulation for steel pipelines
Certificate
Certificate
Reviews
At the end of the courses a qualifying exam is held. After successfully passing the exam, a CERTIFICATE of the established form is issued.
Training taking into account the requirements of professional standards
The term “refrigeration equipment” includes a huge amount of equipment. These are household refrigerators and industrial cooling systems, retail counters and huge warehouses, many special machines and much more. Most refrigeration equipment mechanics are involved in the installation, assembly, maintenance and repair of refrigeration equipment in trade enterprises, in the food industry, and in warehouses.
The training program includes: studying the basics of obtaining artificial cold; equipment and parts of refrigeration systems; principle of operation of the refrigeration machine; basics of electrical installation repair and maintenance refrigeration systems; troubleshooting; typical faults; repair and maintenance of air conditioners, chillers, central cooling systems and multi-zone systems.
The purpose of the course is to acquire students theoretical knowledge and practical skills in organizing and carrying out repair processes for industrial and household air conditioners.
Timetable of classes
| Course duration | Course fee |
| 76 hours | RUB 17,800 |
