Air conditioner Error E4 fixed

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Working of Refrigerator & Refrigeration Principle

Refrigeration technology is commonly used in domestic and industrial applications. This video gives a detailed and logical introduction to the workings of refrigerators using the vapor compression cycle. The Basic Principle The basic principle of refrigeration is simple. You simply pass a colder liquid...

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Air Conditioning Circuit and Cycle Diagram

The component at #1 in this air conditioning circuit and cycle diagram is the compressor. The compressor is the heart of the system; it keeps the refrigerant flowing through the system at specific rates of flow, and at specific pressures. It takes refrigerant vapor in from the low pressure side...

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Performance Testing

Compound Gauge (Low Side) •The compound gauge derives its name from its function. It will register both pressure or vacuum. •All air conditioning systems can, under certain conditions, drop from a pressure into a vacuum on the low side. It is necessary that a gauge be used that will show either pressure...

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Basic Refrigeration Cycle

Theory of Refrigeratiion Cycle Principles of Refrigeration •Liquids absorb heat when changed from liquid to gas •Gases give off heat when changed from gas to liquid. For an air conditioning system to operate with economy, the refrigerant must be used repeatedly. For this reason, all air conditioners...

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Cooling system diagram

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How to change USB drive icon ?

Are you tired of seeing that old and classic USB icon in My Computer ? Do you wish to change your USB thumb drive’s icon to something cool and amazing ? In this article I will teach you the simple and cool computer trick to change USB drive icon of any pen drive. To make you aware what this trick is all about, let us take an example of CDs. Sometimes when you insert any branded CD or DVD in your optical...

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How to disable autorun feature ?

You must be thinking why an article on – Steps to disable autorun feature ? Well, there is no harm in thinking that way but there is surely a harm by keeping autorun feature enabled. If you go and ask you security expert to tell something about autorun feature then he will say It’s better not to have one. The biggest threat to computer, as you know are viruses and spyware. Most of the computer get...

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ELECTRONICS STREET LIGHT SWITCH

Here is a simple, expensive and easy to use electronics street light switch using LDR and NE555. The working of this circuit is truly based on light sensing, i.e. automatic turn it on in night (no sunlight available) and turn It off at sunshine (sunlight available). Circuit Description of Electronics...

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NOKIA UNIVERSAL CODES

NOKIA Nokia Universal Codes Code Description : These Nokia codes will work on most Nokia Mobile Phones (1) *3370# Activate Enhanced Full Rate Codec (EFR) – Your phone uses the best sound quality but talk time is reduced my approx. 5% (2) #3370# Deactivate Enhanced Full Rate Codec (EFR) OR *3370# (3) *#4720# Activate Half Rate Codec – Your phone uses a lower quality sound but you should gain approx...

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