S a m l e x 20 years focused on power inverters vr series power inverter owner’s manual for models: vr175…… 175w vr250…… 250w vr400…… 400w with advanced technology!!! This manual contains important information regarding safety, operation, maintenance and storage of this product. Before use, read and...
Important safety instructions to ensure reliable service, your power inverter must be installed and used properly. Please read the installation and operating instructions thoroughly prior to installation and use. Pay particular attention to the warning and caution statements in this manual. The caut...
Contents 1. Introduction………………………………………………………4 2. Controls, indicators and connectors………………..5 3. How your inverter works…………………………………..6 3.1 principle of operation…………………………………………….6 3.2 the output waveform………………………………………….6 4. Installation/environments……………………………….7 4.1 power source requirements……...
1． introduction your new samlex vr-series power inverter is one in a series of the most advanced dc to ac inverters available today. With proper care and appropriate usage, it will give you years of dependable service in your car, truck, rv or boat. Vr series inverters are designed with a universal ...
2． controls, indicators and connectors figure 1 & 2 detail the front & back panel of the inverter. The front panel provides two led indicators. A green led shows proper operation when lit. The red led shows inverter shutdown from overload, over voltage or over temperature. Power is supplied through ...
3． how your inverter works the inverter converts low voltage dc (direct current) from a battery or other power source to standard 230 volt ac (alternating current) household power. 3.1 principle of operation the inverter converts power in two stages. The first stage is a dc to dc conversion process ...
4． installation / environments 4.1 power source requirements the power source must provide between 10.5 and 15.5 volts dc and must be able to supply the necessary current to operate the load. The power source may be a battery or a well-regulated dc power supply. To obtain a rough estimate of the cur...
If the inverter is to be used for extended periods at power levels above 175 watts, direct connection to the power source is required. Use the provided cables to connect the vr250/vr400 directly to the 12 volt power source using the following guidelines: 1. Check to be sure the inverter power switch...
4.3 connection to load the inverter is equipped with a universal ac power receptacle. Plug the cord from the equipment you wish to operate into the ac receptacle. The green led indicator lights to indicate that the inverter is functioning. Make sure the combined load requirement of your equipment do...
5． operating tips 5.1 rated versus actual current draw of equipment most electrical tools, appliances and audio/video equipment have labels that indicate the power consumption in amps or watts. Be sure that the power consumption of the item you wish to operate is rated at 175/250/400 watts or less. ...
6. Protective features of the inverter your inverter monitors the following potentially hazardous conditions: over temperature protection – if the temperature inside the inverter is too high, the unit will automatically shut down. Allow the unit to cool for at least 15 minutes before restarting afte...
7. Common problems “buzzing” sound in audio systems: some inexpensive stereo systems and “boom boxes” emit a buzzing sound from their speakers when operated from the power inverter. This occurs because the power supply in the electronic device does not adequately filter the modified sine wave produc...
8. Troubleshooting guide table 1 – inverter power switch turned on trouble/ indication possible cause suggested remedy dc input below 10 volts recharge or replace battery no ac output; red led lit green led not lit inverter overheatÆthermal shutdown remove or reduce load, wait for inverter to cool. ...
9． fuse replacement this inverter is protected by our integral electronic circuit and will automatically reset. More than that, this inverter is equipped with a fuse that is located inside the inverter. Normally, this fuse will not blow unless there is a serious problem occurs. Please do not replace...
