Dongguan Houjie Zhengfeng Hardware Factory

1.Power of motor matched with ventilator is defined as the shaft power with safety factor multiplied instead of the power with air outlet fully opened. To avoid overloading of motor, air outlet is not allowed to be fully opened.

2.Impact is not allowed during shipping and handling, and placing the ventilator under wet and corrosive circumstances is not allowed.

3.Transmission medium should be air or gas without corrosion. The medium should has a temperature less than 60℃at the entrance, dust rate and other solid content less than 100g/M3, and no viscous or fiber substance should be contained.

4.This ventilator has a one year warranty. Under normal use, problems that caused by quality of manufacturing or components are guaranteed to be fix free of charge.

 5.Below cases are not included in the free services:

                  i.   Problems that caused in disassembling, modification or repairing by non-qualified electrician

                ii.   Problems that caused by force majeure like natural disasters or incorrect operation

               iii.   Problems that caused by long-time use under adverse circumstances