A chiller is a device for causing a cold based on the condensation or absorption of a liquid. Types of chillers: Chillers are divided into two categories of condensation and absorption chillers. Condensation chillers, using electrical energy and absorption chillers, generate heat and cold by using thermal energy. – Compressed…

The most important benefits of absorbing chiller over condensing chiller: The most important benefits of absorbing chillers over condensing chillers are: a. Electricity savings: As mentioned, absorption chillers use natural gas, diesel or heat lost as the main source of energy and their power consumption is negligible. . The power…

Design and implementation instructions for the fire alarm system NFPA-72 based on standard ۱) Each zone has a maximum area of ​​۲۰۰۰m2. ۲) The maximum length of the zone is 3000m. ۳) The maximum number of elements in each zone (including thumbs and detectors …) is 24 elements, and it…

A device that measures the volume of material passing through time. In most industries, including oil and petrochemical industries, it is important to know the exact amount of flow or fluid flow, such as gas or oil. Considering the fact that the total amount of material that represents the mass…

BACnet protocol BACnet stands for Building Automation and Control Network, a standard data transfer protocol for use in automation and building management that allows the transfer of information between systems and devices. This protocol is designed by the American Association of Heating and Air Conditioning Engineers. Several worldwide automation systems…