Shanghai Zhabei air conditioning fluoridation how to decide the air conditioning to add fluorine Zhabei Chigo wedding dresses 021-56102546 

 But how can we determine whether the lack of fluoride? Tested air-conditioning and fluoride according to the following: 
 1 trial: the body normally open for some time, the air conditioning blowing wind felt cool, and soon reached the set temperature, the outdoor pressure 
 Reduction function the same as the refrigerator open while stopped for a while, we can say is normal. 
 2, measured: measured with a thermometer into the indoor unit, the outlet temperature difference, the difference is more than 8 ℃ normal, the greater the temperature difference, the air conditioning as possible, good up to about 15 ℃. 
 3, see: after ten minutes of boot, open the panel of the indoor unit, you should see the evaporator covered with condensate (like dew), as normal. If half of the half, which may be lack of fluoride. Such as local frost or ice is not normal. 
 Touch: touch such as the outdoor unit can touch in terms of staffing, and after ten minutes of boot. The outdoor unit has two copper valves, one rough brass, and one fine brass. Touch the two valves should be the temperature difference; thicker than the thin temperature lower, feeling the cool comparison to normal (in the high temperature should also be condensate). Touching the hot air of the outdoor unit is not the warm, if not lack of fluoride. 
 4: After a normal start, from the low pressure valve of the outdoor unit side column connection fluoridation equipment. 
 5: manometry and fluoride. 
 6: The bubble of water to check the leak point. 

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