1、The frame and shutters are made by Automatic processing CNC equipment,And the material is optional: galvanized sheet, 201 stainless steel or 304 stainless steel. 2、The fan is composed of wind blade,motor, frame, protective nets, shutters and other components. Motor-driven fan generates airflow. 3、The shutters can open automatically after power on,when powered off the shutters closed automatically,too. It can prevent outdoor dust, foreign matter and etc. from entering, and can also avoid the effects of rain, snow, and downwind.

Model	Blade diameter (mm)	Blade speed (r/min))	Motor speed (r/min)	Air volume (m³/h)	Total pressure（Pa）	Noise (dB)	Power (W)	Rated voltage (V)	Height (mm)	Width (mm)	Thickness (mm)
YNH-800(29in)	710	660	1400	22000	60	≤60	370	380	800	800	380
YNH-900(30in)	750	630	1400	28000	65	≤65	550	380	900	900	400
YNH-1000(36in)	900	610	1400	30000	70	≤70	550	380	1000	1000	400
YNH-1100(40in)	1000	600	1400	32500	70	≤70	750	380	1100	1100	400
YNH-1220(44in)	1100	460	1400	38000	73	≤70	750	380	1220	1220	400
YNH-1380(50in)	1250	439	1400	44000	56	≤70	1100	380	1380	1380	400
YNH-1530(56in)	1400	325	1400	55800	60	≤70	1500	380	1530	1530	400

Model NO.	YNH-800
Dimensions: height * width * thickness(mm)	800800380
Blade Diameter (mm)	710
Motor speed (rpm)	1400
Air volume (m³/h )	20000
Noise decibels（dB）	70
Power（w）	370
Rated voltage（v）	380

Blade		The blade is made by stamping and shaping at one time. It is attractive and durable and the special blade shape design ensures the large air quantity and no deformation.
Motor		The motor is optional:China domestic brand motor and SIEMENS motor.It is durable, strong power, low noise,IP 55 motor protection grade and F class insulation level.
Belt		SANLUX or THREE brand belts optional, High-quality belts to ensure service life and maintenance-free
Plastic handle		In order to facilitate transport, a concave plastic handle is designed on both sides of fan fuselage, it is greatly improve the transportation efficiency.It has beautiful appearance and it is reasonable for design and not easy to damage,will not hurt hands.
Aluminum wheel		The aluminum wheel and blade angle are made of aluminum magnesium alloy,light weight, good toughness, and are not easy to damage.
Fan bearing		The bearing adopts the imported Swiss SKF bearing , which has high strength and long service life.

First of all, thank you very much for choosing YUENENG fan! In order to ensure the normal operation of the fan, we must pay attention to the following points during installation: 1. When installing the fan, please make sure the fan is in the horizontal position, and it is recommended to use infrared level; 2. The inner side (protective net side) of the fan is flush with the inner wall to ensure that the drainage hole and removable maintenance board of the fan are on the outside of the outer wall, which is convenient for maintenance; 3. After the fan is placed in the hole, insert a wooden wedge into the gap above the middle column, and finally fill the gap with foaming agent ( not recommended to use concrete direct powder to prevent the extrusion deformation of the fan caused by the thermal expansion of the concrete which will affect the use); 4.In order to prevent the motor from burning out due to phase loss or overload, it is recommended to install breakers on the fan control circuit (Chint, Delixi, Schneider and other brands).

YNH-800 exhaust fan used for ventilation

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