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Cold Store Technician-96 Hours

Cold Store Technician-96 Hours

1. Introduction:

Cold storage systems play a vital role in preserving agricultural products, dairy items, meat, medicines, seeds, and other temperature-sensitive materials. Modern cold storage facilities depend on refrigeration systems, electrical control systems, compressors, evaporators, condensers, insulation systems, and monitoring devices to maintain proper temperature and humidity conditions.

Improper operation or poor maintenance of cold storage systems can lead to product spoilage, energy loss, equipment damage, and major financial loss. Therefore, trained cold storage technicians are essential for safe operation, preventive maintenance, trouble shooting and efficient energy management of refrigeration systems.

This training focuses on practical and technical knowledge related to refrigeration principles, cold room operation, electrical control systems, compressor maintenance, safety standards, and troubleshooting practices used in industrial cold storage facilities.

Major problems are facing cold store-related industries in Nepal:

  • High product spoilage and storage losses due to improper operation, poor temperature control and inadequate maintenance of refrigeration systems.
  • Frequent equipment breakdowns caused by lack of preventive maintenance, weak troubleshooting capacity and insufficient technical skills of workers.
  • High energy consumption and operational costs due to inefficient system operation, poor insulation management and lack of energy-efficient practices.
  • Shortage of skilled and competent technicians in refrigeration, electrical control systems, and cold chain management to handle modern cold storage technologies.

Rational:

This curriculum is designed for existing workers engaged in refrigeration, cold storage operation, electrical maintenance, and industrial services to upgrade their technical skills and competencies according to modern industrial requirements through practical and competency-based training.

2. Benefit:

The primary benefit of this training is improved efficiency, reliability, and safety of cold storage systems. Proper maintenance and operation reduce breakdowns, preserve stored products, and improve energy efficiency.

Additional benefits include:

  1. Reduction in refrigeration system failures
  2. Improved temperature and humidity control
  3. Enhanced safety awareness among workers
  4. Lower maintenance and electricity costs
  5. Increased lifespan of compressors, motors, condensers, and control systems
  6. Better product preservation and reduced storage loss

3. Duration of Training:
The training will be conducted for 4–6 hours per day, with a total duration of 96 hours, including 22 hours of theoretical sessions and 74 hours of practical and hands-on learning activities.

4. Group Size:
Each training group will consist of 20 participants, targeting only existing workers for skill upgrading and capacity enhancement.

5. Qualification of Instructors:

The main instructor must hold at least a Pre-Diploma in Refrigeration and AC Engineering and have a minimum of 3 years of work experience in the mechanical sector. The co-instructor must possess a minimum of 5 years of experience in the relevant field.

 

6. Summary:

Cold Storage Technician and Maintenance training equips industrial workers with practical knowledge and hands-on skills required to operate, inspect, maintain, and troubleshoot refrigeration and cold storage systems safely and efficiently. This training supports industrial productivity, food preservation standards, energy efficiency, and reliable cold chain operation.

 

7. General Information:

Name of Training

Cold Store Technician
  1. Total Duration of Training

96hours(16 to 24 days, depending on the total training hours per day, either 4 or 6 hours)
  1. Entry qualification
  • Literate
  • Participants should have at least 2-3 years of work experience in the electrical and mechanical field, be currently employed in the industry.
  1. Minimum training requirement

Participants should have good eyesight and hearing, be physically fit and mentally alert, and be able to work in hot environments.
  1. Attendance

90%
  1. Infrastructure of training

As per the syllabus guideline.
  1. Certificate

Available (Participants with at least 90% attendance will receive a training completion certificate)

 

 

 

 

 

 

  1. Module and project:

 

S.N.

             Contents

CREDITHOUR

Theory

Practical

Total

1

Introduction to Refrigeration and Cold Storage System

3hrs

3hrs

6hrs

2.

Electrical Safety and Standards

2hrs

3hrs

5hrs

3

Refrigeration Components and Working Principle.

3hrs

8hrs

11hrs

4

Electrical Control Panel and Wiring System.

2hrs

8hrs

10hrs

5

Compressor, Motor and Refrigeration Load.

2hrs

12hrs

14hrs

6

Protection System and Earthing.

2hrs

4hrs

6hrs

7

Temperature Control and Energy Efficiency.

2hrs

5hrs

7hrs

8

Maintenance Practices and Troubleshooting.

2hrs

10hrs

12hrs

9

Refrigerant Pipe and Insulation Maintenance

1hrs

5hrs

6hrs

10

Cold Storage Load Management

1hrs

7hrs

8hrs

11

Preventive Maintenance Planning and Documentation

2hrs

7hrs

9hrs

 

Total

22hrs

74hrs

96hrs

 

  1. Detail task and skills:

 

S.N.

Contents

CREDITHOUR

Theory

Practical

Total Hrs.

1.

Introduction to 3-Phase Power System

3

3

6

 

Basic refrigeration cycle

1

0.5

 

 

Types of cold storage systems

0.5

1

 

 

Refrigerants and applications

0.5

1

 

 

Temperature and humidity control

1

0.5

 

2.

Electrical Safety

2

3

5

 

Electrical safety in cold storage

0.5

1

 

 

Refrigerant handling safety

0.5

1

 

 

Fire safety and PPE use

1

1

 

3.

Refrigeration Component and Working Principle

3

8

11

 

Compressor working principle

0.5

2

 

 

Condenser and evaporator operation

0.5

2

 

 

 Refrigeration Piping System

0.5

1

 

 

Expansion valve and filter drier

0.5

1

 

 

Cold room air circulation and cooling process

1

2

 

4.

Electrical Control Panel and Wiring System

2

8

10

 

Control panel components

0.5

1

 

 

Wiring and interlocking system

0.5

2

 

 

Wiring and interlocking system

0.5

4

 

 

Temperature controller and sensor connection

0.5

1

 

5.

Compressor, Motor and Refrigeration Load

2

14

16

 

Compressor types and operation

0.5

2

 

 

Motor starters and protection

0.5

4

 

 

Defrost system operation

0.5

7

 

 

Refrigeration load calculation

0.5

1

 

6.

Protection system and earthing

2

4

6

 

Overload Short Circuit protection, Earth fault, and phase failure protection,

1

2

 

 

Earthing system, and various types of earthing in industry.

1

2

 

7.

Temperature Control and Energy efficiency.

2

5

7

 

Thermostat and temperature monitoring

1

2

 

 

Energy-saving methods

0.5

2

 

 

Insulation efficiency and heat loss control

0.5

1

 

8

Maintenance and Troubleshooting

2

10

12

 

Preventive and breakdown maintenance

1

4

 

 

Fault finding and troubleshooting

0.5

4

 

 

Lockout-Tagout (LOTO) and shutdown procedure

0.5

2

 

9

Refrigerant Pipe and Insulation Maintenance

1

5

6

 

Copper pipe installation and leak testing

0.5

3

 

 

Insulation maintenance and checking

0.5

2

 

10

Cold Storage Load Management

1

7

8

 

Product loading management

0.5

3

 
 

 

Temperature monitoring and record keeping

0.5

3

 

11

Preventive Maintenance Planning & Documentation

2

7

9

 

Daily/monthly maintenance checklist

1

3

 

 

Spare parts and documentation

0.5

2

 

 

Shutdown maintenance and corrective action plan

0.5

2

 

 

Total

22

74

96

 

 

 

 

 
  1. List of required Tools and equipment and materials:

S. N

Particulars

Quantity

A.

Essential Cold store technician Tools & Equipment

1

Clamp Meter

2 pcs 

2

Digital Multimeter

2 pcs 

3

Refrigeration Gauge Manifold Set

1 set

4

Vacuum Pump

1 set

5

Copper Tube Cutter

2 set 

6

Flaring Tool Set

2 set

7

Brazing Torch Set

2 set 

8

Leak Detector

1 set

9

Slide wrench

2 pcs

10

Combination plier

 5 pcs

11

Nose plier

2 pcs 

12

Luck plier

2 pcs 

13

Spanner set

 2 pcs 

B.

Material list

 

1

Compressor

2 pcs

2

Condenser Unit

2 pcs

3

Evaporator Unit

2 pcs

4

Temperature Controller

2 pcs

5

Thermocouple Sensor

2 pcs

6

MCCB/MCB TPN

5 pcs

7

Insulation Material set

20 m

8

Contractor

5 pcs

9

Overloads rely on

5 pcs

10

Brazing rod

40 pcs

11

1/4" Copper Pipe

20 m

12

3/8" Copper Pipe

20 m

13

5/8" Copper Pipe

20 m

14

1/2" Copper Pipe

20 m

15

410 Gas

5 kg

16

R22 Gas

5 kg

17

32 no Gas

7 kg

18

Control Cable 0.75 mm²

1 Roll

19

Safety PPE Kit

5 set

20

Cylinder 4.5 kg

2 pcs

21

Cylinder 12 kg

1 pc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Details of the Syllabus Development Expert:

S. N

Name of Expert

Organization

Qualification

Position/working experience

Contact

Signature

1.

Sirdha Khanal

First Choice Food Pvt.Ltd.

Rupandndehi

B.Tech Electrical Engineering

Technical Head/Total 10 years

9866671421

 

2.

Dhan Prasad Lamsal

Bheri shit Bhandar Kohalpur

Industrial Electrician /2

Supervisor operator/18 years

9844877707

 

 

  1. Syllabus endorsed by:

 

  1. Mr. Tanka Bahadur Dhami, Chairperson, Nepalgunj Chamber of Commerce and Industry, Nepalgunj, Banke

 

 

Signature:                                                                     Stamp:                                    

 

  1. Mr.Deepak Khanal, Chairperson, Electrician Association Banke, Nepalgunj, Banke

 

 

 

Signature:                                                                      Stamp:                                                                        

 

 

 

 

 

 

 

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