Religious Chiller:
If you have problems in supplying electricity to the project or the capacity of the chiller requested is high, you can use absorption chillers. Absorption chillers mostly use natural gas fuel and do not cost you much electricity. Of course, keep in mind that the current costs of absorption chillers and their installation and commissioning costs are high. When buying a chiller, absorption chillers are among the most expensive chillers in terms of price.
CHILDRENSHIP:
Condensation chillers are made by the method of condensation refrigeration cycle. The most important difference between these chillers and absorption chillers is the presence of a compressor in these devices. As you know, compressors are the main part of electricity consumption in a compression device. Therefore, by purchasing a compression chiller, you have to pay for electricity, not gas. Compression chillers have a variety of capacities, starting from mini chillers of 2 tons of refrigeration and up to the capacity of about 500 tons of refrigeration.
What factors affect the capacity of the device?
1-Geographical location: The first thing to be careful about is the geographical location of the project. For example, choosing a chiller for an apartment unit in Tehran is very different from choosing a chiller in Abadan.
2- Direction of sunlight: Sunlight is the most important factor in determining the capacity of a chiller. Basically, in Iran, buildings with large southern windows and all-round glass need much more cooling load. 4-Ceiling height: The ceiling height of a space is an influential factor in determining the chiller capacity due to the volume of air it can contain. Buildings with higher ceilings require more cooling load. 5-Existence of heat-generating devices: If there are heat-generating devices in an environment, the load of each of them should be included in the calculation. . For example, in an office environment, the heat load of all computer systems should be considered in the overall calculation.
Many other factors can influence the capacity of a chiller, depending on the number of people. And came, heat-generating lighting factors, fresh air circulation and... he pointed out.
Do we need to buy a few chillers?
As mentioned, chillers have very diverse capacities that can produce up to 500 tons of refrigeration in an integrated manner. Suppose your calculation capacity when buying a chiller for a building is 160 tons of refrigeration. This chiller is integrated in many European and Iranian brands. Of course, you can buy two chillers of 80 tons of refrigeration and use them in a modular way together (if they have the ability to be modularized). This work has advantages and disadvantages.
In case of using several chillers in a modular way, practically because chillers do not work at full load capacity in many cases, one of your chillers may be used most of the time. It is off and the life of your second device will be much longer. Also, in case of failure of a chiller, there is a chiller as a reserve and of course with half the total capacity of the building.
Besides these advantages, the initial cost of these multiple devices is usually more than buying one. It is a single device. Also, buying two chillers requires more space to be installed. Of course, it is necessary to mention that in integrated chillers, several compressors and several refrigeration cycles are used today, which practically load these chillers in a stepwise manner and work like several devices in the form of an integrated chiller. .
The correct choice of a chiller for a building is very important for two reasons.
First, the cooling of an environment has a direct relationship with human comfort, and the lack of proper ventilation for a space means living in it. will make it unbearable.
Secondly, chillers are expensive devices. Therefore, it is necessary to choose the correct and appropriate device according to the project conditions in order to prevent financial losses. Fortunately, today many technical and engineering companies are active in this field in our country, which advise and choose the purchase. chiller, even for free to employers.