1.Overview
This series of automatic transfers switch is a high-tech product developed by our company with the latest technology.It conforms to the standards of GB14048.1,GB/T14048.11,and also conforms to the "code for fire prevention of high-rise civil buildings","code for fire prevention of building design","emergency lighting design guide","code for electrical design of civil buildings"and soon.The parts and components of the products are strictly aged and screened.The finished products are electrified and stored for 72hours continuously.Finally,they can be released from the factory after passing the loading inspection.Thus guaranteed the product reliable.

2.Working conditions
2.1Ambientair temperature:ambient air temperature ranges from-5℃ to +40℃,and the 24-hours average temperature does not exceed+35℃.Users should checkwith manufacturer when ambient air temperature above +40℃ or below-5℃.
2.2atmospheric humidity:when the highest temperature is +40℃,the relative humidity is not more than 50%,and the maximum monthly relative humidity is 90%,which can withstand the infuence of the humid air at sea,and can allow higher at lower temperature! Relative humidity,for temperature change occasionally produced condensation should be taken special measures.
2.3installation height:the elevation of installation siteshall not exceed 2000m.For higher elevations,consult with the manufacturer to allow for reduced dielectric strength and cooling of the air.
2.4pollution level:the environmental pollution level of the installation site is level3.
2.5installation category:installation categoryIV
2.6installation inclination:the product shall be fixed in the cabinet with the maximum inclination of±22.50.
2.7 arc distance:atac 380V,arc distance is 80mm.Atac 660V,the arc distance is 100mm.
2.8use category:AC-33IB.

3.Product structure
The product consists of switch on to logy and intelligent controller.The switch body has electrical and mechanical linkage.The product uses electromagnetic drive,double coildc pulse operation,the conversion controller's working power supply USES the main power supply,the stand by power supply line voltage 220V alternating current,does not need to add the control power supply.

4.Technical metails

5.Common faults and troubleshooting
When the product does not work or the actionis abnormal,first check the following points:
1.Is the switch body connected with the controller loose?Is the connection correct?
2.Is the power on?
3.Is the controller in manual state?
4.Is the voltage normal?
5.Is the switch body opposite to the main and back up power input of the controller?
6.Fuse is intact?
7.When debugging,is the debugging line too long?Is the wire diameter too thin?
8.During test,is N line differentiated from phase wire and PE grounding wire?

6.After-sales service
This product is amature product include designed,installed and inspected,but it also will have abnormal phenomena during operation.If malfunction can't be solved according to the above table,please contact our after-salesservice department.