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| Solution for Government Information Center and e-affair center |
Air-conditioning system of government e-affair center is divided as follow:
1) Precision Air Conditioner, used in computer room and confidential tel-communication room. It is very important to control temperature and humidity precisely so that the equipments can work smoothly.
2) Comfortable air-conditioning and fresh air system, used in monitor room, office area, etc. in order to provide a comfortable working environment.
The computer room of an e-affair center usually is no more than 200m2. Phoenix modularized Precision Air Conditioner is recommended.
Modularized Precision air-conditioner is designed and developed specifically for data room, tel-communication room and computer room. Its refrigerant capacity varies from 10kW~80kW and modules can be assembled flexibly to fulfill the high requirement of e-affair center.
Method of calculating refrigerant capacity
a) Estimated calculation of refrigerant capacity for a data room: in a middle size e-affair center, the size of a data room usually is no more than 150m2. If the heat emitting volume of the equipments and building is not confirmed yet, we may calculate the refrigerant capacity according to general volume 300w～500w/m2, and in some data room with more equipments, it may reach 600 w/m2.
For example, the size of data room is 150 m2, so the refrigerant capacity it needs is 60KW. Choosing one set PDA30/30 with refrigerant capacity 60KW/set，and then its total refrigerant capacity is 65KW which can satisfy the needs. In order to assure the reliability of the equipments, you can add another PDA30 as backup, then 3 modules in total. You may adjust the modules according to the final measuring of the heat emitting volume.
b) The size of confidential tel-communication room is 50m2, so the refrigerant capacity it needs is 30KW. Choosing one set PDA30 with refrigerant capacity 30KW/set，and then its total refrigerant capacity is 32KW which can satisfy the needs. In order to assure the reliability of the equipments, you can add another PDA30 as backup, then 2 modules in total.
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