Archive | HVAC

23 July 2011 ~ 1 Comment

How to select the best location for install split unit air-conditioner?

When we plan to install air-conditioner unit in our home or resident,the first thing we must sizing the air-condition ( Horse power ) suitable with our space need and the air-conditioner types such split unit types. For split unit types,it have a several design for our choice likes Wall type,Ceiling enclosed types,Ceiling exposes,Cassette type and [...]

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23 April 2011 ~ 5 Comments

Vacuum method for air-conditioner

When install new air-conditioner or replaced new compressor or change new expansion valve,we need to evacuation or vacuum process.This is important to ensure no air inside the piping system.For easy understanding,this process is to vacuum the system to take out the air and moisture. If air remain in the air-conditioner and refrigerant piping,it will affect [...]

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20 April 2011 ~ 0 Comments

Air-conditioner services

To ensure our air-conditioner running in good condition, we must perform periodical services at least  every 6 months.Why we must care and cleaning our air-conditioner? The main cause when our air-condition have a low performance came from dust filter is dirty,it will cause a low cooling capacity,increase electricity cost,unpleasant smell and purified air to our [...]

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17 April 2011 ~ 11 Comments

Air-conditioner sizing

Air-conditioner is one of equipment that used and  popular in around the world to cooling our room,office or any space.Now in our market,air-conditioner have in many types and sizes.It depend on our application and types of space that we want use it. When install an air-conditioner,we want it running in more efficiency and enough capacity [...]

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10 April 2011 ~ 0 Comments

Pump down method

This method is applied to stored the refrigerant in a system of air-condition into a compressor.The main reason is to avoid a system from lost the refrigerant when perform the maintenance services or to relocated the unit. We can save a cost for refill a refrigerant and can reduce a air pollution.Why we must throw [...]

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17 March 2011 ~ 8 Comments

Single phase compressor for air-condition

In air-condition system,compressor is a main component to pump the refrigerant circulation in system.It like our heart to pump a blood all around human system.If this part breakdown or have a problem,all system is paralyze. Normally for single phase air-condition system,the common type of electric motor is running capacitor motor and used scroll type compressor.The [...]

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19 February 2011 ~ 21 Comments

Split type troubleshooting part 1

Air-condition split unit type is a very common used around the world for cooling the houses,clinic,restaurant,bank and office.It very popular because the price is not high and average people capable to owned it.Also it easy to install and have a long life span if we follow their periodical maintenance. This time i want share the [...]

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