What are two basic problems of refrigeration systems?

The inability of commercial refrigeration systems to provide enough cooling may be due to: dirty condenser and evaporator coils, a malfunctioning compressor or thermostat, incorrect temperature settings, dirty fans, inadequate air flow inside the refrigerator, door gaskets that aren’t sealing properly, or refrigerant …

similarly, What is meant by troubleshooting?

Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

on the other hand, What are the two types of refrigeration?

Here are the different types of refrigeration systems:

• Evaporative Cooling. Evaporative cooling units are also referred to as swamp coolers. …
• Mechanical-Compression Refrigeration Systems. Mechanical compression is used in commercial and industrial refrigeration, as well as air conditioning. …
• Absorption. …
• Thermoelectric.

also, What are the four stages of refrigeration? The refrigeration cycle contains four major components: the compressor, condenser, expansion device, and evaporator.

What are the reasons of high compressor discharge pressure?

The main reason of high discharge pressure is high condensing pressure. Insufficient heat dissipation of condenser, fouling, insufficient cooling air or water volume, high cooling water or air temperature can lead to high condensing pressure.

What are examples of troubleshooting?

Basic troubleshooting guide

• My computer freezes or is behaving strangely. Try restarting your computer. …
• My computer doesn’t power up. …
• Nothing appears on the monitor. …
• Non-system disk or disk error at boot. …
• Keyboard/mouse does not work.

What are the basic steps of troubleshooting?

The troubleshooting process steps are as follows:

1. Identify the problem.
2. Establish a theory of probable cause.
3. Test the theory to determine the cause.
4. Establish a plan of action to resolve the problem and implement the solution.
5. Verify full system functionality and, if applicable, implement preventive measures.

How do you fix troubleshooting?

To run a troubleshooter:

1. Select Start > Settings > Update & Security > Troubleshoot, or select the Find troubleshooters shortcut at the end of this topic.
2. Select the type of troubleshooting you want to do, then select Run the troubleshooter.
3. Allow the troubleshooter to run and then answer any questions on the screen.

What is unit of refrigeration?

The standard unit of refrigeration is ton refrigeration or simply ton denoted by TR. It is. equivalent to the rate of heat transfer needed to produce 1 ton (2000 lbs) of ice at 32 0F. from water at 32 0F in one day, i.e., 24 hours.

What is the most common refrigeration cycle?

The vapor-compression refrigeration cycle has four components: evaporator, compressor, condenser, and expansion (or throttle) valve. The most widely used refrigeration cycle is the vapor-compression refrigeration cycle.

What is the cycle of refrigeration?

Understanding the Refrigeration Cycle

The refrigeration cycle basically involves the movement of refrigerant from one place to the next and in different forms with the ultimate goal of pulling down temperatures whether in a cabinet, counter or even cold room format.

How long is a refrigeration cycle?

The Normal Refrigerator Cycle

The average cycle is about 30 minutes, but that’s only when the refrigerator stays closed. Factors that impact the refrigerator cycle are outside temperature, the internal content, and the frequency of door openings.

What is the process of refrigeration?

Refrigeration, or cooling process, is the removal of unwanted heat from a selected object, substance, or space and its transfer to another object, substance, or space. Removal of heat lowers the temperature and may be accomplished by use of ice, snow, chilled water or mechanical refrigeration.

How do I increase discharge pressure in my compressor?

When the compressor operates at the same speed and flow, the inlet to the compressor decreases to 100 MMscfd from 150 MMscfd, the compressor operating point moves left and the compressor head increases, consequently raising the discharge temperature and pressure.

How do you fix high discharge pressure?

One of the causes that have been established in relation to high compressor discharge pressure is the presence of air in the system. When this takes place, your best solution is to recharge the system. Another is a clogged condenser in which case you will need to clean the condenser so that it will function properly.

What is compressor discharge?

Discharge pressure (also called high side pressure or head pressure) is the pressure generated on the output side of a gas compressor in a refrigeration or air conditioning system. … An extremely high discharge pressure coupled with an extremely low suction pressure is an indicator of a refrigerant restriction.

What is troubleshooting and basics of troubleshooting?

Basic troubleshooting techniques

No matter what’s causing the issue, troubleshooting will always be a process of trial and error. In some cases, you may need to use several approaches before you can find a solution; other problems may be easy to fix. We recommend starting by using the following tips.

How do you troubleshoot hardware issues?

Some of the common solutions are to:

1. Make sure your computer isn’t overheating. …
2. Boot into Safe Mode before trying to fix a problem.
3. Test your hardware components and check the computer’s memory for errors.
4. Check for incorrectly installed or buggy drivers. …
5. Scan for Malware that is causing the crash.

What are the 7 troubleshooting steps?

The steps are: identify the problem, establish a theory of probable cause, test the theory, establish a plan (including any effects of the plan), implement the plan, verify full system functionality, and—as a final step—document everything.

What are the 6 steps of troubleshooting?

The six steps of troubleshooting.

1. Identify the problem. …
2. Establish a theory of probable cause. …
3. Test probable cause theory to determine actual cause. …
4. Establish an action plan and execute the plan. …
5. Verify full system functionality. …
6. Document the process.

What are the 5 steps in troubleshooting?

The Five Steps of Troubleshooting

1. Information Gathering.
2. Analysis and Planning.
3. Implementation of a solution.
4. Assessment of the effectiveness of the solution.
5. Documentation of the incident.

What are the basic network troubleshooting?

Basic Network Troubleshooting Steps

1. Identify the Problem. The first step in troubleshooting a network is to identify the problem. …
2. Develop a Theory. …
3. Test the Theory. …
4. Plan of Action. …
5. Implement the Solution. …
6. Verify System Functionality. …
7. Document the Issue.

Why is troubleshooting not working?

Choose Start→Control Panel and click the System and Security Link. Under Action Center, click the Find and Fix Problems (Troubleshooting) link. You see the Troubleshooting screen. Make sure that the Get the Most Up-to-Date Troubleshooters check box is selected.

How do you fix troubleshooting wizard Cannot continue?

Fix: An unexpected error has occurred. The troubleshooting wizard can’t continue.

1. Solution 1: If the Problem Occurred After an Update.
2. Solution 2: Use the Chkdsk Utility.
3. Solution 3: Repair . NET Framework.
4. Solution 4: Make Sure Some of the Essential Services are Running.

How do you troubleshoot network issues?

How to Troubleshoot a Network

1. Check the hardware. When you’re beginning the troubleshooting process, check all your hardware to make sure it’s connected properly, turned on, and working. …
2. Use ipconfig. …
3. Use ping and tracert. …
4. Perform a DNS check. …
5. Contact the ISP. …
6. Check on virus and malware protection. …
7. Review database logs.

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