High pressure centrifugal fan _ pressure centrifugal blower manufacturers Company Name: Henan Hongji Blower Co., Ltd. Company website: www.guolufengji188.com company sales hotline: 0394-7892627 15518086290 QQ: 445528270 It is understood that the fan level of efficiency, not only in and of itself power, but also on and reasonable installation, proper use of a direct relationship. Now the fan installation method introduced by small series. (1) can not be reversed. Because the fan using a three-phase power, changing the position of any two wires will change the direction of rotation, if not pay attention to the correct direction of rotation, in the reverse case, the installation is also the opposite direction, although this time also the exhaust, but row will be particularly small amount of wind.