User Manual
Contents
1. The LED shows the status of the output It lights when the UBEC works normally If it couldn t light please check the battery connections About the 0 7V step down voltage regulator The 0 7V step down voltage regulator is necessary for the servos cannot work with 6V including Futaba servo 9241 9251 9253 9254 9255 9256 and etc It changes the voltage from 6V to 5 3V When the UBEC output is set to 6V please connect the 0 7V step down regulator between the receiver and the above servos If a servo can work with 6V input then the 0 7V regulator is unnecessary2. User Manual of 8A UBEC 2 6S 8 Amps Switching Mode UBEC 2 6S 1 Why do you need UBEC The 8A UBEC 2 6S is a switching mode DC DC regulator supplied with 2 6S Lipo battery pack it outputs a consistent safe voltage for your receiver gyro servos and other electronic equipments Compared with the linear mode BEC the efficiency of the switching mode BEC is much higher especially when the input voltage is higher than 14 8V 4S Lipo So the switching mode BEC is strongly recommended when the RC model uses high voltage battery pack more than 4S Lipo or 12 cells NiMH The UBEC is very suitable for big scale RC helicopters and big fixed wing aircrafts 2 Specification 2 1 Output voltage 5 2V 8A or 6V 8A Selectable by the switch 2 2 Output current Continuous 8A burst 15A 2 3 Input 5 5V 26V 2 6S Lipo or 5 18 cells NiMH 2 4 Size 62mm 27 5mm 10mm length width height 2 5 Weight 24 5g 3 Features 3 1 Equipped with the advanced switching mode DC DC regulator IC 3 2 The output current is big enough for all electronic equipments in RC model 3 3 A metal shield covers all the electronic components and a ferrite ring filter is attached with the output wire which significantly reduces the electromagnetic interference 3 4 A LED shows the working status it lights when the output is in normal range 3 5 Accessory A step down voltage regulator of 0 7V down from 6 0V to 5 3V 4 Wiring 4 1 When ESC hasn t bui
3. lt in BEC No change is needed for the ESC just connect the input wires of UBEC to the battery and plug the output lead connector of the UBEC into one spare channel of the receiver red Battery Esc Pack black O Receiver UBEC 4 2 When ESC has built in BEC You must disable the built in BEC of the ESC that is cut the red wire in the trio of Rx receiver wires The color of trio wires white red black from top to bottom d Cut the red wire in the trio of rG receiver wires Battery j i ESC ee Pack black A Receiver UBEC Oz 6 2 6 3 HW SM813ENG 20130121 Suggestion You can use a sharp screwdriver to take the pin with red wire out from the BEC connector of the ESC and then insulate it with a bit of electrical tape for further use so you needn t cut the red wire by this method Take the pin with red wire out Attentions Although we have tried our best to reduce the electromagnetic interference caused by this switching model UBEC but it still may cause some interference to receiver So please install the UBEC far away from the receiver The distance gt 5cm is recommended The input polarity must be correct otherwise the UBEC will be damaged immediately Please check the polarity carefully before connecting the battery pack How to Use the UBEC Change the output voltage The voltage is changeable by using the output voltage selection switch Working status indicator LED
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