Operation, maintenance & troubleshooting

Operation, preventive maintenance and troubleshooting of NH3 and Freon industrial refrigeration: compressors, air coolers, condensers, control panels.

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Control panel and PLC for NECS cold storage refrigeration system, installed by Tan Long.

Checklist of 25 daily safety checks for industrial NH3 refrigeration compressor stations.

Checklist of 25 daily safety checks for industrial NH3 refrigeration compressor operation engineers according to QCVN 02:2019/BLDTBXH: Control of compression pressure, oil differential pressure, liquid separator level, and procedures.

Cold store repair: how to identify faults and the expert troubleshooting process

What a scheduled refrigeration maintenance package includes

Maintenance of refrigeration systems is often considered a deferable expense—until the first time the machine is shut down between production shifts and a full warehouse. This article explains a standard maintenance package.

NECS New Era Cold Storage at Phu An Thanh Industrial Park, Ben Luc, Tay Ninh — Tan Long is the refrigeration system contractor.

What cold storage operating costs consist of, and where they can be reduced

The initial investment cost for a cold storage facility is a one-time payment that's readily apparent. Operating costs, however, are paid monthly, extending throughout the facility's lifespan, and are often significantly higher than initially anticipated.

applying iot to cold storage management

IoT applications in cold storage management: the optimal solution for

The application of IoT in cold storage management is reshaping how businesses control their cold supply chains, from food and seafood preservation systems to GMP-standard pharmaceutical cold storage facilities. Instead of

What is frostbite?

What is freezer burn? Causes and ways to prevent food from drying out.

Have you ever wondered why food stored in the freezer for a long time develops grayish-white spots, becomes dry and hard, and loses its flavor? In fact, this is called freezer burn. So, what exactly is freezer burn?

solar-powered cold storage

What is a solar-powered cold storage facility? How it works and its benefits.

Solar-powered cold storage is becoming an inevitable trend in Vietnam's industrial refrigeration industry. This is especially true given rising electricity prices and increasing demands for "green certifications" in exports.

Guide to proper cold storage operation procedures - Tan Long Refrigeration and Electrical Engineering

Guide to operating cold storage facilities correctly.

Mastering and strictly adhering to the correct technical standards for cold storage operation is a key factor in helping businesses optimize energy costs and ensure the quality of goods.

High discharge pressure faults in refrigeration systems: causes, symptoms and the correct troubleshooting procedure

High discharge pressure faults in refrigeration systems: causes, symptoms and the correct troubleshooting procedure

A high compression pressure fault occurs when the refrigerant pressure at the compressor discharge exceeds the design operating limit, activating the HP relay to protect the compressor and motor from burnout.

Safety inspection of refrigeration systems: Standards and procedures - Tan Long Refrigeration and Electrical Engineering

Safety inspection of refrigeration systems: Standards and implementation procedures

Refrigeration system inspection is a process of evaluating and certifying the technical and safety condition of refrigeration systems according to the standards QCVN 21:2015/BLDTBXH and Circular 36/2019/TT-BLDTBXH. This is a mandatory procedure for all businesses.

Cold store repair: how to identify faults and the expert troubleshooting process

Cold store repair: how to identify faults and the expert troubleshooting process

Cold storage repair is the process of diagnosing and fixing technical problems in industrial refrigeration systems to restore cooling performance and protect goods. A cold storage facility that has ceased operation.

Standard maintenance procedures for industrial control panels - Tan Long Refrigeration and Electrical Engineering

Standard maintenance process for industrial control cabinets

The control panel maintenance procedure consists of 7 steps: planning, visual inspection, LOTO power off, cleaning and connection inspection, internal equipment maintenance, power on and operational testing.

How to adjust the expansion valve in a cold storage unit accurately and efficiently - Tan Long Refrigeration and Electrical Engineering

How to adjust the cold storage throttle valve accurately and effectively

The expansion valve is considered the most important "regulating station," directly affecting the cooling efficiency and safety of the compressor. Incorrect adjustment not only causes the system to consume more energy.