空调常识问答71问（Air conditioner common sense Q a 71 questions）.docVIP

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空调常识问答71问（Air conditioner common sense Q a 71 questions）.doc

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空调常识问答71问（AirconditionercommonsenseQ

空调常识问答71问（Air conditioner common sense Q a 71 questions） The calculation of the pipe diameter of exhaust ventilation and smoke exhaust is calculated according to the amount of exhaust smoke or the exhaust air volume When exhaust smoke, should the exhaust air be interlocked and closed? How to interlock? Is not should be devoted to the air? The exhaust air and exhaust air volume should be calculated separately, and larger diameter calculation can be carried out. When exhaust smoke, the exhaust air outlet is best linked, and the smoke proof fireproof tuyere with 24V electric signal can be adopted. 1, general civil building air-conditioning how to determine the amount of excess moisture? How to determine the moisture quantity on restaurant meals? The amount of air conditioning remaining humidity in general civil buildings is wet for human body. When the indoor temperature is 25 degrees, the dispersion rate is 61g/h (sitting state). The restaurant meals are wet and scattered according to the per capita 11.5g/h (usually Chinese restaurant). 2, you calculate air conditioning air supply is to check I-D chart method or simple method? With the check I-D graph method, the location of the points are often inaccurate, and the calculated values vary greatly. What can I do? Of course, the use of software to calculate, such as Tongji out of the HVAC system is very good. 3, why winter heating with the radiator, do not consider fresh air, and do not consider dehumidification, and air-conditioning needs to be considered? Without it, just because of economic problems, if the radiator with fresh air, humidification (not dehumidification) system, the effect is more satisfactory. Now there is the radiator system plus full heat exchanger, new air machine (including automatic humidifier) design, the use of good results. 4, why summer common air conditioning does not consider dehumidification, do not consider the new air conditioning, and the central air-conditioning is considered? Just bec