cooling technique
Initially for preservation of ice or snow evenings since 1000 BC. In 1850 began to be used cooling machine with air conditioning material. Then use ammonia, toxic toxicity, until finally found in safer freon cooler and that until now.1.2 Type and 1. Machine Type
Type and type of cooling machine with usability and power heard. For example, air conditioners for large offices are different from air conditioners for households. Likewise for the type of refrigerator.Because in the market already available various types and types of cooling machines.
Types of Cooling Machines
Of the various machines that exist, also viewed from various uses and functions, which is usually known there are 4 kinds of cooling machines, among others:
Refrigerant
This type is better known as a refrigerator or refrigerator. Type and capacity vary, and much for households. Its function is to cool drinks, preserve foodstuffs, produce ice. Temperature for cabinet esstan 3o -100 C
This one type is no different from the refrigerator, it's just bigger capacity, and the temperature is lower.
Humans are always trying to make things around for the better and the atmosphere more comfortable. Air Conditioner is one that can meet that need. By making things cooler. As the name implies an air conditioner means that air conditioning is required at least 3 A rules. Air temperature
Is the degree of heat or cold from the air as measured by thermo-meter. Air must be cooled to keep the temperature inside the room cool. Room temperature is cool and comfortable is 240 - 270 C
a. Humidity
To get cool and comfortable air in the room, we have to regulate the air by taking air out.
b. Cooling base
Cold is the result created by cooling machines especially freezers and freezers.
