1. Overview of the refrigeration system industry
a. What is the refrigeration system industry?
- The refrigeration system industry is a high-tech engineering industry, specializing in the design, installation, operation, maintenance, and repair of refrigeration systems, including air conditioning systems, refrigerators, cold storage, clean rooms, temperature control systems, and cooling systems in factories, manufacturing plants, and industrial parks.
- The refrigeration system industry plays a crucial role in ensuring safe working and manufacturing environments, minimizing energy loss, and meeting the diverse needs of various industries.
b. Typical enterprises in the refrigeration system industry
Typical enterprises in the refrigeration system industry include:
- Carrier: A leading company in air conditioning and refrigeration technology. Carrier provides its customers with air conditioning solutions, refrigeration equipment, and energy-saving solutions.
- Daikin: One of the largest manufacturers of refrigeration system equipment such as air conditioners, air purifiers, and central air conditioners.
- Panasonic: One of Japan’s leading companies, specializing in the production of electronic products, household appliances, and refrigeration system solutions.
- LG: One of the leading names in the electronics and home appliance industry. LG provides solutions for air conditioning, air purifiers, and refrigeration systems.
- Mitsubishi Electric: A company specializing in the production of refrigeration system equipment and air conditioners. Mitsubishi Electric provides solutions for large projects such as factories, commercial centers, and gas systems.
- Samsung: A big name in the electronics and home appliance industry. Samsung provides air conditioning and refrigeration system solutions for its customers.
- Toshiba: A leading company in the refrigeration system industry. Toshiba provides solutions for air conditioning and refrigeration systems for projects such as factories and commercial centers.
c. Specific jobs in the refrigeration system industry
Specific jobs in the refrigeration system industry include:
- Refrigeration system design: Refrigeration system design specialists are responsible for planning, designing, and selecting equipment to develop refrigeration systems that meet technical, environmental, and usage requirements.
- Refrigeration system installation: Engineers and technicians in the refrigeration system industry perform the installation of refrigeration equipment and systems, including air conditioning systems, freezers, refrigerators, beer coolers, industrial cooling systems, and other equipment.
- Maintenance and repair: Refrigeration system maintenance and repair technicians regularly inspect, clean, and maintain refrigeration systems to ensure stable operation and minimize incidents. When an incident occurs, they will carry out repairs to get the system back up and running quickly.
- Testing and performance evaluation: Staff test and evaluate the performance of refrigeration systems to ensure they meet technical and environmental requirements.
- Providing energy-saving solutions: Experts in the refrigeration system industry provide energy-saving solutions, helping to reduce electricity usage costs and minimize environmental impact.
- Consulting and technical support: Experts in the refrigeration system industry provide consulting and technical support to customers on issues related to refrigeration systems. They also provide solutions to improve performance and optimize refrigeration systems.
2. Overview of occupational safety training course for the refrigeration system industry
a. What is occupational safety training for the refrigeration system industry?
- Occupational safety training for the refrigeration system industry are training sessions that equip employees with awareness on how to prevent workplace accidents. Accordingly, those who work directly in the refrigeration system industry are subjects belonging to group 3.
- The occupational safety training course will help employees recognize and prevent dangers, and limit the risks of workplace accidents during work.
REGISTER FOR OCCUPATIONAL SAFETY TRAINING SERVICES
b. Training time
Initial safety training time
- Total training time is at least 24 hours, including examination time.
- 8 hours of theory on policy and legal system on occupational safety and health
- 8 hours of theory on basic knowledge of occupational safety and health
- 4 hours of theory on specialized training content
- 2 hours of practice on specialized training content
- 2 hours of theory exam at the end of the training course
The safety training center will allocate the time into multiple training sessions depending on the time arrangement for employees. However, there will usually be 6 training sessions, the course will last 3 days, provided that the manufacturing factory can arrange continuous study time.
Periodic safety training time
- Before the safety card expires, if employees want to have it reissued, they must undergo a periodic occupational safety training course, with the periodic safety training time being at least 50% of the initial safety training time.
Explanation: The total periodic occupational safety training time is at least 12 hours, including examination time. After completing the periodic training course and passing the exam, the employee will be reissued or have their safety card renewed.
c. Content of the training course
No. | TRAINING CONTENT | TRAINING TIME (HOURS) | |||
Total | Of which | ||||
Theory | Practice | Exam | |||
I | Policy and legal system on occupational safety and health | 8 | 8 | 0 | 0 |
1 | Overview of the legal document system on occupational safety and health. | 6 | 6 | ||
2 | System of technical standards and regulations on occupational safety and health. | 1 | 1 | ||
3 | Specific regulations of state management agencies on occupational safety and health when building new, expanding, or renovating facilities, premises for manufacturing, using, preserving, storing, and inspecting machinery, equipment, materials, and substances with strict requirements on occupational safety and health. | 1 | 1 | ||
II | Basic knowledge of occupational safety and health | 8 | 8 | 0 | 0 |
1 | Basic knowledge of dangerous and harmful factors in the workplace. | 4 | 4 | ||
2 | Methods for improving working conditions. | 1 | 1 | ||
3 | Safety culture in manufacturing and business. | 1 | 1 | ||
4 | Rights and obligations of employers and employees; policies and regimes on occupational safety and health for employees; functions and duties of the occupational safety and health network. | 1 | 1 | ||
5 | Occupational safety and health regulations, signs, occupational safety and health warning signs and the use of safety equipment, personal protective equipment; skills in first aid for workplace accidents, prevention of occupational diseases. | 1 | 1 | ||
III | Specialized training content | 6 | 4 | 2 | 0 |
General knowledge of types of machines, equipment, and substances that generate dangerous and harmful factors; analysis, assessment, and management of occupational safety and health risks, safe working procedures with machinery, equipment, and substances with strict requirements on occupational safety and health. | 6 | 4 | 2 | ||
IV | Safety training exam at the end of the training course | 2 | 2 | 0 | 0 |
Total | 24 | 22 | 2 |
See more training content of 6 groups
d. Occupational safety card
After completing the occupational safety training course and passing the exam, the employee will be issued an occupational safety card (in practice, also called an occupational safety certificate for group 3).
The group 3 safety card will clearly show information such as: full name, date of birth, specific job, and working environment. It also includes the training time, a red stamp, and a signature confirming the completion of the training course.
According to the regulations on issuing safety cards specified in clause 2 Article 24 of Decree 44/2016/ND-CP, there are two cases:
- If the employer and the employee have an employment contract with each other, the employer must sign, stamp, and initial the safety card for the trained person in group 3 after they have completed the training course from the occupational safety training unit and passed the exam.
- In the case of freelance or seasonal workers who do not have an employment contract, the training unit must sign, stamp, and initial the safety card for the employee after they have completed the training course from the occupational safety training unit and passed the exam.

3. Identifying hazards in the refrigeration system industry
In the refrigeration system industry, potential hazards can include:
- The refrigeration system industry involves working with electrical equipment and power sources. Employees must be trained to know how to handle electrical safety issues to avoid accidents caused by electricity.
- The cold liquids used in refrigeration systems can be harmful to human health, especially when in contact with skin or inhaled. Employees must be fully equipped with personal protective equipment and trained to know how to handle cold liquids safely.
- Refrigeration systems involve handling extremely low and high temperatures. Employees must be fully equipped with personal protective equipment to ensure their safety and must comply with safety regulations related to temperature.
- Refrigeration systems use various types of gas for cooling and system operation. Gas can cause serious accidents if not used correctly and must be handled safely.
- During the installation and repair of refrigeration systems, mechanical equipment such as compressors, motors, pumps, etc., can cause accidents. Employees must be trained to know how to use mechanical equipment safely.
- Refrigeration systems use electrical equipment and cold liquids that can cause fire and explosion if not used correctly. Employees must be trained to know how to use and store equipment and cold liquids safely to avoid fire and explosion accidents.
4. Safety measures for the refrigeration system industry
To ensure the safety of workers in the refrigeration system industry, the following safety measures must be implemented:
- Workers need to be fully equipped with personal protective equipment such as safety glasses, gloves, safety shoes, respirators, etc.
- Ensure that employees are trained, trained in occupational safety and have the necessary knowledge of occupational safety, including how to use personal protective equipment, how to work safely with refrigeration systems, etc.
- Liquids and cold gases in refrigeration systems must be used correctly and in compliance with regulations to avoid explosions or fires.
- Ensure the refrigeration system is always working well by regularly checking, maintaining, and repairing parts.
- Waste products during work must be handled correctly to avoid affecting the environment and human health.
- There must be a policy, procedure, and management of occupational safety and health to ensure the safety and health of workers in the refrigeration system industry.
- Periodically organize workplace environment monitoring in factories and manufacturing plants, collect and analyze harmful factors to employees, thereby adjusting to reduce the level of harm to prevent occupational diseases for them.
5. Types of accidents in the refrigeration system industry
Types of accidents in the refrigeration system industry can include:
- Fire and explosion accidents: This is a major hazard in the use of coolants such as propane, butane, ammonia, R-22, R-410A, etc. These substances can cause fire and explosion if not operated or stored correctly.
- Electrical accidents: When working with electrical systems in refrigeration systems, workers can be in danger from voltage, electrical shocks, electric shocks, or short circuits.
- Chemical accidents: Refrigeration systems use many different types of coolants and preservatives, which if not stored and used correctly can be harmful to human health.
- Trauma and impact accidents: Equipment and tools used in the installation, maintenance, and repair of refrigeration systems can cause trauma and impact accidents, such as head injuries, hand injuries, foot injuries, or scratches.
- Fire accidents: The compressor and condenser of the refrigeration system can cause a fire risk if not operated correctly or not maintained regularly.
6. Benefits of occupational safety training for the refrigeration system industry
An Toan Nam Viet provides your enterprise with excellent benefits after completing occupational safety training courses as regulated in Decree 44/2016/ND – CP on occupational safety and health work, Companies, manufacturing plants, enterprises.
- Employees can identify potential risks of workplace accidents and thus have preventive measures to avoid workplace accidents.
- Your enterprise can establish risk prevention measures in the manufacturing, operation, and maintenance processes.
- Minimize costs when occupational safety risks occur.
- Uninterrupted manufacturing will help increase labor productivity and product quality.
- Comply with occupational safety laws, avoiding legal risks.
- Build a professional reputation in all aspects, thereby enhancing your brand.
Nam Viet’s training courses are a solution to prevent and combat external factors from affecting each individual so that they can avoid danger that can lead to injury or, more seriously, death.
REGISTER FOR OCCUPATIONAL SAFETY TRAINING SERVICES7. Customer feedback after completing the training course
An Toan Nam Viet has many years of experience in the mission of accompanying many enterprises in Vietnam in general and in the southern provinces in particular. And that responsibility is something extremely precious to Nam Viet, which is why Nam Viet’s Occupational Safety Training work is increasingly focused on becoming professional. And the motivation for An Toan Nam Viet to grow strongly to this day comes from the positive feedback and suggestions from enterprises. Below are the feedbacks from our partners we have served.
Bac Nam E&C Investment and Construction Joint Stock Company
“The first time I used An Toan Nam Viet’s service, I was very surprised by the enthusiastic 24/7 support of the consulting team. The class organization was very quick and convenient for our company, thank you very much for Nam Viet’s service!”
See more customer interviews after using An Toan Nam Viet’s service
8. Occupational Safety Training Competence of An Toan Nam Viet
An Toan Nam Viet is a reputable and quality occupational safety training center in Vietnam today. With occupational safety training sessions taking place continuously at manufacturing workshops, factories, or construction sites across the country (63 provinces and cities in Vietnam).
REGISTER FOR OCCUPATIONAL SAFETY TRAINING SERVICES
Occupational safety training license
- An Toan Nam Viet has been inspected by the Department of Occupational Safety of the Ministry of Labor – Invalids and Social Affairs and granted a certificate of eligibility to operate occupational safety and health training. This further strengthens our ability to conduct occupational safety training.

Documents and lectures
- Before occupational safety training documents are included in the occupational safety training courses, they are reviewed and censored to ensure that the lectures are always correct in terms of knowledge and effective when applied.
- The teaching method of the lecturers is synchronized according to the teaching standards of An Toan Nam Viet, which is a method that experts in occupational safety and health training have researched and summarized during the teaching process to bring the highest knowledge acquisition efficiency to students.
Facilities
- Controlling the factors in the classroom that affect the training process will increase teaching performance and the effectiveness of knowledge acquisition for students.
- Our facilities to support the training course always arrange spacious classrooms that meet standards for area, lighting, training equipment, etc.
9. Reputable and quality safety training center nationwide
At An Toan Nam Viet, we always put the professional dedication to occupational safety training as our top priority. For us, imparting the knowledge of self-protection to workers so that they can have a safe foundation on their career path is a contribution to building the country.
To ensure effective training, we prepare carefully and meticulously every little detail. From preparing tools, equipment, teaching devices to textbooks, documents, sound, and lighting.
Our occupational safety training lecturers are experts with many years of experience in the field. They even have research projects to identify hazards in all occupations and how to prevent them.
The lecturer’s lectures are summarized from reality and conveyed in the most vivid and easy-to-understand way to the workers. These factors help workers feel comfortable during their study time and absorb our teaching knowledge well. Of course, the knowledge conveyed always closely follows Decree 44/2016/ND-CP.
From there, they grasp many measures to prevent dangers and how to protect themselves. At the same time, they also apply it in the most suitable way in their actual work.
Our safety training center is proud to be a unit that provides reputable and professional occupational safety training services with the following advantages:
- Competitive training costs but training quality is still guaranteed.
- Flexible training schedule with the production situation of the Company or enterprise.
- Quick and legal procedures for issuing occupational safety training certificates.
- Training lecturers are people with many years of experience in the profession.
- The classroom is controlled for factors that affect the training process to increase teaching performance and the effectiveness of knowledge acquisition for students.
- The lectures are compiled to be suitable for occupational safety work at enterprises.
- An Toan Nam Viet works dedicatedly and professionally to support customers accurately and as quickly as possible.

10. Refer to more occupational safety training documents for the refrigeration system industry
- Set of occupational safety training documents
- Occupational safety documents for the refrigeration system industry
- Occupational safety training exam
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