Version 2Nature Power InvertersModified Sinewave 1000w/1500wTrue Sinewave 1000w/2000wOwner’s Manual!!!!!!!! 
For safe and optimum performance, the Power Inverter must be used properly. Carefully read and follow all instructions and guidelines in this manual and give special attention to the CAUTION and WARNING statements.PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCEDisclaimerWhile every precaution has been taken to ensure the accuracy of the contents of this guide, Nature Power Technology assumes no responsibility for errors or omissions. Nature Power reserves the right to make changes to the product, specifications, and this manual without notice. Therefore, check the website for manual updates as necessary. www.naturepowerproducts.comImportantPlease be sure to read and save the entire manual before using your Nature Power Inverter. Misuse may result in damage to the unit and/or cause harm or serious injury. Read the manual in its entirety before using the unit and save the manual for future reference.
INTRODUCTION
Thank you for purchasing the Nature Power Power Inverter. With our state-of-the-art, easy-to-use design, this product will offer you reliable service for providing AC power and 5V USB power for your home, cabin, RV, or Trailer. The Nature Power Inverter can run many AC-powered appliances when you need AC power anywhere. The 5V USB power can charge many USB-powered devices. This manual will explain how to use this unit safely and effectively. Please read and follow these instructions and precautions carefully.IMPORTANT SAFETY INFORMATIONThis section contains important safety information for the Nature Power Inverter. Before using the Nature Power Inverter, READ ALL instructions and cautionary markings on or provided with the inverter, and all appropriate sections of this guide.The Nature Power Inverter contains no user-serviceable parts.WARNING: FIRE AND/OR CHEMICAL BURN HAZARD
- Do not cover or obstruct any air vent openings and/or install in a zero-clearance compartment.
WARNING: FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN DEATH OR SERIOUS INJURY
- When working with electrical equipment or lead-acid batteries, have someone nearby in case of an emergency.
- Study and follow all the battery manufacturer’s specific precautions when installing, using, and servicing the battery connected to the inverter.
- Wear eye protection and gloves.
- Avoid touching your eyes while using this unit.
- Keep fresh water and soap on hand in the event battery acid comes in contact with eyes. If this occurs, cleanse right away with soap and water for a minimum of 15 minutes and seek medical attention.
- Use precautions by not smoking or having an open spark or fire near battery installations. Batteries contain flammable materials.
- Keep the unit away from moist or damp areas.
- Avoid dropping any metal tool or object on the battery. Doing so could create a spark or short circuit which goes through the battery or another electrical tool that may create an explosion.WARNING: Shock Hazard. Keep away from children!
- Avoid moisture. Never expose the unit to snow, water, etc.
- The unit provides 120 Vac, treat the GFCI output socket the same as regular wall AC sockets at home.WARNING: Explosion hazard!
- DO NOT use the Nature Power Inverter in the vicinity of flammable fumes or gases (such as propane tanks or large engines).
- AVOID covering the ventilation openings. Always operate the unit in an open area.
- Prolonged contact to high heat or freezing temperatures will decrease the working life of the unit.
FCC INFORMATIONThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
LIMITATIONS ON USEDo not use in connection with life support systems or other medical equipment or devices.
PRODUCT DESCRIPTION
The Nature Power Inverter package includes the items list below.
- Power Inverter base unit (one of the following models)
- 38210: Inverter 1000w (Modified Sinewave)
- 38215: Inverter 1500w (Modified Sinewave)
- 38310: Inverter 1000w (True Sinewave)
- 38320: Inverter 2000w (True Sinewave)
Modified Sinewave series
INSTALLATION
WARNING: Nature Power recommends that all wiring be done by a certified technician or electrician to ensure adherence to the applicable electrical safety wiring regulations and installation codes. Failure to follow these instructions can damage the unit and could also result in personal injury or loss of life.CAUTION:Before beginning your Nature Power Inverter Installation, please consider the following:
- The Nature Power Inverter base unit should be used or stored in an indoor area away from direct sunlight, heat, moisture or conductive contaminants.
- When placing the unit, allow a minimum of three inches of space around the unit for optimal ventilation.
Understanding the unit featuresAC Output Front Panel 
DC Input Rear Panel
Material Prepare for InstallationTypical Wiring block diagram of the Power Inverter:Important: Choose your AWG by the distance you will mount your inverter from the battery. We recommend stranded wire. Stranded wire does not fatigue or lose connections over time. It is best to attach wires using crimped connectors.
12V Battery Bank:
- The use of a deep cycle battery is highly recommended for power inverter application
- For battery size, you need to identify how much you will be using them between charges.Nature Power recommends you purchase as much battery capacity as possible. See more on Battery Run time and Load in Section 4.
Fuse or Circuit Breaker:
- A DC-rated fuse or DC-rated circuit breaker connected along the DC positive line is required.
- For 38210, 38310, select a fuse or circuit breaker with a minimum of 150 Adc
- For 38215, select a fuse or circuit breaker with a minimum of 225 Adc
- For 38320, select a fuse or circuit breaker with a minimum of 300 Adc
- Based on the size of the battery bank chosen on the 12V Battery Bank above, determine the overall short circuit current rating of the battery bank from the battery manufacturer. The fuse or circuit breaker chosen has to be able to withstand the short circuit current that may be generated by the battery bank.
Disconnect Switch:
- Select a Disconnect Switch with the same or higher rating of the selected fuse or circuit breaker from the above.
- The Disconnect Switch is used to disconnect the DC power between the power inverter and the battery bank during service, maintenance, or troubleshooting.
DC Input Cable:
- Low resistance wire (copper) is required for all the DC connections between the inverter and the battery bank.
- For 38210, 38310, uses minimum #2 AWG wire with a maximum cable length of 5 feet.
- For 38215, use minimum #1/0 AWG wire with a maximum cable length of 5 feet.
- For 38320, use minimum #2/0 AWG wire with a maximum cable length of 5 feet.
Grounding Cable:Use minimum #10 AWG wire. Make sure you install the proper fuse or circuit breaker in the DC positive line. The unit is grounded through the ground stud of the unit located near the DC input terminal. Use crimp ring terminal (lugs) to connect the grounding cable to the stud.Installing the Power Inverter System.WARNING: Electrical Shock HazardThe unit ‘On/Off’ switch does not disconnect the DC power from the battery. Use the DC Disconnect Switch or disconnect the DC input cables connection to disconnect the DC power from the battery before working on any circuits connected to the unit. Failure to follow these instructions can result in death or serious injury.Power Inverter Installation:
- Choose an appropriate mounting location.
- For indoor use, the orientation of the unit can be mounted in any direction except with the DC Input panel facing downwards. This is to meet electric codes, so in case the unit gets fire, any hot debris cannot fall to the floor through the fan holes.
- For RV installation, the unit has to be mounted flat on a horizontal surface.
- Use the mounting template below to mark the positions of the mounting screws.
- Drill the 4 mounting holes and place the inverter in position and fasten the inverter to the mounting surface.
Power Inverter Chassis Grounding Connection:DANGER: The Power Inverter’s chassis needs to be grounded properly. Never operate the Power Inverter without it being properly grounded. Failure to do so will result in death or serious injury.
- Connect the grounding cable’s ring terminal to the unit ground screw.
- Connect the other side of the cable to the common grounding point.
Power Inverter DC Input Connection:CAUTION: Reverse the DC Input terminal will damage the unit and cannot be repaired. Damage caused by reverse polarity connection is not covered by the warranty.
- Connect one end of the negative DC input cable to the Power Inverter DC negative terminal.
- Connect the other end of the negative DC input cable to the battery negative terminal.
- Make sure the Disconnect Switch is in the OFF position.
- Connect one end of the positive DC input cable to the Power Inverter DC positive terminal.
- Connect the other end of the positive DC input cable to one of the terminals of the Disconnect Switch.
- Connect a DC input cable between the other terminal of the Disconnect Switch and one side of the terminal of the fuse holder.
- Connect a DC input cable between the other terminal of the fuse holder and the battery positive terminal.
- Install the selected fuse to the fuse holder.
- Turn Disconnect Switch to ON position.
Remote Switch (optional) Connection:
- Insert the Remote Switch to the RJ11 Remote Port located at the Front AC panel of the Power inverter. Please note polarity. The part number is # RM1201-00 or # 30001.
Test the Power Inverter connection:
- Turn unit on by pressing and holding the On/Off button on the main unit for about a second until a beep sound occurs. The ‘Status’ light turns on indicating the Nature Power Inverter is ON. Check the digital display to show measured battery voltage and output power alternatively.Both AC output and 5V USB are now available.
- Plug in a small AC load like a 40W table lamp or small appliance to the AC socket to verify AC is available. If AC is not available, the GFCI may be tripped. Reset the GFCI by pressing the ‘RESET’ button.
- The unit is successfully installed and functioning properly.
Test the GFCI monthly:
- Use the following instruction to perform a monthly test on the GFCI to ensure the GFCI is functioning properly.
- Turn the unit on and plug a small AC load (40W light bulbs) into the GFCI.
- Check the AC load is ON.
- Press the ‘Test’ button and observe a click sound. Check AC load is turned off.
- Press the ‘RESET’ button and check the AC load is back ON again.
UNIT OPERATION
WARNING: RISK OF EQUIPMENT DAMAGE
- For 38210, 38215: Do not plug surge-protected power bars into the unit’s 120 VAC outlets. The surge-protected components on the surge-protected power bar may not like the modified sine wave output generate by the inverter.
- Do not connect an AC power source like utility power or generator to the unit 120 VAC outlets.
Turn ON and OFF the 120 VAC and USB
- Press and hold the “Power/Select” button for 1 second until a beep is sounded. The display will show the measured battery voltage and output power alternatively. Status LED will turn green. Both 5V USB and 120 VAC are available.
- Press the “Power/Select” button to turn the unit off.
Remote ON /OFF (Optional)
- If an optional remote is used, the Remote ON/OFF momentary switch is connected in parallel with the “Power/Select” button on the unit. The same procedure applies to ON and OFF the unit.
Understanding the Display & Status LEDDisplay:
’12.5’ Display shows measured battery voltage‘0.80’ Display shows total output AC power in kW (800W as shown)‘E01’ Display shows an error or warning code. See the troubleshooting section in details Status LED:Green: Unit operation is normalAmber: Warning is detected. The unit will shut down at any time. Please check the error code to troubleshoot the unit.Red: Error is detected and the unit has shutdown. Please check the error code to troubleshoot the unit.
Understanding the Error Code
| Code | Condition | Corrective Action |
| E01 | The unit has sensed input under-voltage and has shutdown | Recharge the battery immediately and restart the unit |
| E02 | The unit has sensed input over-voltage and has shutdown | Check battery voltage or if any external charger is connected to the battery bank |
| E03 | Unit output has sensed overload or short circuit and was shutdown | Check load connected to the output. Reduce load and restart the unit |
| E04 | The unit has sensed internal the temperature was high and has shutdown | Turn the unit off and wait for 15 minutes before restarting. Check if any object has blocked the airflow of the unit |
| E05 | The unit has sensed input voltage is low and a warning occurs | Recharge battery as unit will shutdown shortly |
| E06 | The unit has sensed load connected is close to overload shutdown limit (Not applicable for 38210, 38215) | Reduce load |
| E07 | The unit has sensed internal temperature is high and is close to the thermal shutdown limit | Reduce load and check if any ventilation of the unit is blocked |
AC Load on Power InverterAlthough the Power Inverter can provide high surge power up to two times the rated output power, some appliances may still trigger on the inverter protection system. A higher power inverter is required for those appliances.For 38210, 38215 modified sinewave inverters, some appliances like speed controllers found in some fans, power tools, and some power tools’ AC chargers may not like the modified sine wave generated by the inverter, those appliances may not work or may be damaged if they are connected to the inverter. If you are unsure about powering any device with the inverter, contact the manufacturer of the device.
Estimate Run time on LoadFollowing run time is an estimate based on using a 12V-120AH battery bank for reference. Actual run time may vary.
| Load | Consumption | Estimate Run time |
| Cordless Phone | 5W | 180 hrs |
| Clock/Radio | 8W | 135 hrs |
| Table Lamp | 40W/60W | 27 hrs/ 18 hrs |
| Freezer (8.8 cu. ft.) | 80W | 15 hrs |
| 20″ LCD TV | 100W | 11.5 hrs |
| Refrigerator (18 cu. ft.) | 120W | 9 hrs |
| Sump Pump (1/2 hp) | 350W | 3 hrs |
| Microwave (mid-size) | 1000W | 49 min |
| Coffee Maker | 1200W | 37 min |
TROUBLESHOOTING
To troubleshoot the unit, please note the error code display on the main unit and review the “Understanding the Error Codes” in section 4.
| Problem | Symptom | Solution |
| No output voltage. And Status LED is off. | The unit is off | Turn unit ON by following the instruction in Section 4 to turn unit ON |
| No power to the inverter | Check the fuse or the Disconnect switch (if installed) is either blown or turn OFF | |
| No AC output. Status LED is Green | GFCI was tripped | Check load and reset the GFCI |
| No Output. Status LED is in Amber | Check error code on the display | Verify the error condition and make the correction |
| Products connected to unit malfunction or overheat | Products connected to the unit do not accept modified sine wave output (38210, 38215 only) | Products are not compatible with the modified sine wave output generated by the NATURE POWER Power Inverter. See “AC Load on Power Inverter” in Section 4 |
SPECIFICATIONS
report this adNote: Specifications are subject to change without notices.
| Specification | Modified Sinewave Series | True Sinewave Series | ||
| 38210 | I 38215 | 38310 | I 38320 | |
| Inverter | ||||
| AC Output Power | 1000W | 1500W | 1000W | 2000W |
| AC Output Current | 8.3A | 12.5A | 8.3A | 16.6A |
| AC Surge Power (Peak) | 2000W | 3000W | 2000W | 4000W |
| AC Output Voltage | 120 VAC / 60 Hz | |||
| AC Output Waveform | Modified Sinewave | True Sinewave | ||
| Nominal DC Input Voltage | 12.5 VDC | |||
| No Load battery draw | < 0.6 ADC | I < 1.2 ADC | ||
| DC Input Voltage operating range | 10.5 – 15.5 VDC | |||
| Under Voltage Alarm | 11.2 VDC | |||
| Under Voltage Shutdown | 10.5 VDC | |||
| Under Voltage Recovery | 11.8 VDC | |||
| Over Voltage Shutdown | 15.5 VDC | |||
| USB | 5V, 750 mA | |||
| Safety and Environmental | ||||
| Conformance | Conforms to UL 458Certified to CSA C22.2 no. 107.1 | |||
| Agency Markings | cETLus | |||
| Operating Temperature | 0°C to 40°C (32°F to 104°F) | |||
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) | |||
| Relative Humidity | 5-90% noncondensing | |||
| Operating Altitude | Up to 9,843ft (3000 meters) above sea level | |||
| Weights and Dimensions | ||||
| 5.3 lbs(2.4 kg) | 6.9 lbs(3.1 kg) | 6.0 lbs(2.7 kq) | 11.5 lbs(5.2 kg) | |
| Weights | 38210: 5.3 lbs (2.4 kg)38215: 6.9 lbs (3.1 kg)38310: 6.0 lbs (2.7 kg)38320: 11.5 lbs (5.2 kg) | |||
| Dimensions | 38210: 12.3 x 6.9 x 3.4″ ( 31.2 x 17.5 x 8.7 cm)38215: 15.0 x 6.9 x 3.4″ ( 38.2 x 17.5 x 8.7 cm)38310: 12.6 x 6.9 x 3.4″ ( 32.1 x 17.5 x 8.7 cm)38320: 16.3 x 9.1 x 4.3″ ( 41.4 x 23.0 x 11 cm) |
One Year Limited Warranty
WARRANTY
The limited warranty program is the only one that applies to this unit, and it sets forth all the responsibilities of Nature Power. There is no other warranty, other than those described herein. Any implied warranty of merchantability or fitness for a particular purpose on this unit is limited in duration to the duration of this warranty.This unit is warranted, to the original purchaser only, to be free of defects in materials and workmanship for one year from the date of purchase without additional charge. The warranty does not extend to subsequent purchasers or users.The manufacturer will not be responsible for any amount of damage in excess of the retail purchase price of the unit under any circumstances. Incidental and consequential damages are specifically excluded from coverage under this warranty.This unit is not intended for commercial use. This warranty does not apply to damage to units from misuse or incorrect installation/connection. Misuse includes wiring or connecting to improper polarity power sources.If you are experiencing any problems with your unit, please contact our customer service department at [email protected] or Phone 1‐800‐588‐0590 before returning the product to a retail store. After speaking to a customer service representative, if products are deemed non-working or malfunctioning, the product may be returned to the purchasing store.If such a unit is returned less than one year from the purchase date, the manufacturer will repair the unit or, at its discretion, replace it, free of charge. If the unit is repaired, new or reconditioned replacement parts may be used, at the manufacturer’s discretion. A unit may be replaced with a new or reconditioned unit of the same or comparable design. The repaired or replaced unit will then be warranted under these terms for the remainder of the warranty period. The customer is responsible for the shipping charges on all returned items.Limitations:This warranty does not cover accessories, such as adapters and batteries, damage or defects result from normal wear and tear (including chips, scratches, abrasions, discoloration or fading due to usage or exposure to sunlight), accidents, damage during shipping to our service facility, alterations, unauthorized use or repair, neglect, misuse, abuse, failure to follow instructions for care and maintenance, fire and flood.Nature Power Inverters are Made in China.
Customer Service: 1-800-588-0590Email: [email protected]Website: www.naturepowerproducts.com
References
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