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Troubleshooting
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Summary of Contents for Statpower Portawattz 300
- Page 1 DC to AC POWER INVERTER OWNER’S MANUAL...
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Page 2: Table Of Contents
5.2 Troubleshooting Guide ..........16 6. Limited Warranty ..............18 7. Product Specifications ............21 8. Other Products From Statpower Technologies ....22 Portawattz is a trademark of Statpower Technologies Corp. Copyright © 1995, 1997, 1998, 1999 Statpower Technologies Corp. All rights reserved. -
Page 3: Introduction
DC to AC inverters available today. It will give you years of dependable service in your vehicle, boat, RV, or remote home. To get the most out of your Portawattz 300 it must be installed and used properly. Please read the installation and operating instructions in this manual carefully before installing and using your Portawattz 300. -
Page 4: How Your Portawattz 300 Works
2.1 Principle of operation The Portawattz 300 converts power in two stages. The first stage is a DC-to-DC converter that raises the low voltage DC at the inverter input to 160 volts DC. -
Page 5: Portawattz 300 Output Waveform
Figure 1. Principle of Operation 2.2 Portawattz 300 output waveform The AC output waveform of the Portawattz 300 is called a “quasi-sine wave” or a “modified sine wave.” It is a stepped waveform that is designed to have characteristics similar to the sine wave shape of utility power. - Page 6 They will read about 2 to 20 volts low (i.e. about 100 V) when measuring the output of the Portawattz 300. For accurate measurement of the output voltage of the Portawattz 300, a true RMS reading voltmeter such as a Fluke 87, Fluke 8060A, Beckman 4410, or Triplett 4200 must be used.
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Page 7: Installation
CAUTION: The Portawattz 300 must be connected only to batteries with a nominal output voltage of 12 volts. The Portawattz 300 will not operate from a 6 volt battery and will be damaged if it is connected to a battery (or batteries) that produces more than 16 Volts. - Page 8 To make a direct connection, follow these steps: 1) Cut the cigarette lighter plug from the Portawattz 300 cord. One conductor on the Portawattz cord is marked with a red or white stripe. This is the positive conductor.
- Page 9 4) If the power source is not overload protected, use a fuse (30A) to protect the wiring between the Portawattz 300 and the power supply. Figure 3. Direct Connection to Power Source WARNING - RISK OF EXPLOSIVE GASES Sparks may occur when connecting the inverter to the battery. These sparks can ignite accumulated battery gases and cause an explosion.
- Page 10 For temporary connections (see Figure 4): a) Cut off the lighter plug and attach heavy duty battery clips such as Radio Shack P/N 270-341. b) Connect the clip attached to the inverter’s positive DC input wire, to the positive battery terminal. c) As a last step, connect the clip attached to the inverter’s negative DC input wire.
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Page 11: Connection To Load
CAUTION: REVERSE POLARITY CONNECTION WILL DAMAGE INVERTER If the inverter is connected to incorrect polarity, it must be returned to Statpower for repair. Repair costs for this type of damage are not covered by your warranty. CAUTION: DO NOT USE WITH POSITIVE GROUND ELECTRICAL... - Page 12 Do not connect the Portawattz 300 to household or RV AC distribution wiring. Do not connect the Portawattz 300 to any AC load circuit in which the neutral conductor is connected to ground (earth) or to the negative of the DC (battery) source.
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Page 13: Placement Of Inverter
The inverter should only be used in locations that meet the following requirements: a) Dry - do not allow water to drip or splash on the Portawattz 300. b) Cool - ambient air temperature should be between 0°C to 40°C (32°F to 105°F), ideally between 15°C and 25°C (60°F to 80°F). -
Page 14: Led Indicators And Alarm
Use caution when handling the Portawattz 300 if it is operating at high power levels. d) Safe - do not use the Portawattz 300 near flammable materials or in any location that may accumulate flammable fumes or gases. 3.5 LED indicators and alarm The green “POWER”... -
Page 15: Operating Tips
Manufacturers of electrical and electronic equipment often overrate the current drawn by their products. If a piece of electrical or electronic equipment is rated at 300 watts (2 A) or less, the Portawattz 300 will probably operate it. The inverter has overload protection, so it is safe to try it with equipment rated at 300 watts or more. -
Page 16: Overload Shutdown
The Portawattz 300 draws less than 0.18 ampere from the battery when it is not supplying power to a load. In most cases the Portawattz 300 may be left connected to the battery when it is not in use since it draws so little current. -
Page 17: Troubleshooting
Portawattz 300. This is because the power supply in the device does not adequately filter the modified sine wave produced by the Portawattz 300. The only solution is to use a sound system that incorporates a higher quality power supply. -
Page 18: Troubleshooting Guide
provide a stronger signal. Experience has shown that different models of TV sets vary in their susceptibility to interference. 5.2 Troubleshooting Guide Problem: Lack of power output Possible cause Suggested remedy Poor contact with lighter. Clean out thoroughly. Replace outlet if necessary. Spread contacts on lighter plug. - Page 19 Inverter in thermal Allow inverter to cool. Ensure shutdown. there is adequate ventilation. Ensure that load is no more than 300 watts for continuous operation. Problem: Low output voltage Possible cause Suggested remedy Using average reading voltmeter. Use true RMS reading meter. See section 2.2 of manual.
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Page 20: Limited Warranty
Statpower. What Will Statpower Do? Statpower will, at its option, repair or replace the defective product free of charge. Statpower will, at its own option, use new and/or reconditioned parts made by various manufacturers in performing warranty repair and building replacement products. If Statpower repairs or replaces a product, its warranty term is not extended. - Page 21 You must obtain a Return Authorization Number from Statpower before returning a product directly to Statpower. Do not return a product to Statpower without first obtaining a Return Authorization Number. When you contact Statpower to obtain service, be prepared to supply the serial number of your product and its date of purchase.
- Page 22 How Other Laws Apply: This warranty gives you specific legal rights, and you may also have other rights which vary from jurisdiction to jurisdiction. For Our Canadian Customers: When used herein “implied warranties of merchantability and fitness for a particular purpose” includes all warranties and conditions, express or implied, statutory or otherwise, including without limitation implied warranties and conditions of merchantability and fitness for a particular purpose.
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Page 23: Product Specifications
7. Product Specifications Output power max. continuous 300 watts surge 500 watts Output voltage 115 VAC RMS ±10% Output frequency 60 Hz ± 4Hz. Output waveform modified sinewave Input voltage 10 - 15 VDC Optimum Efficiency No-load current draw < 0.18 A Low battery alarm 10.7 V Low battery shutdown... -
Page 24: Other Products From Statpower Technologies
Advanced power converters offering an integrated combination of a true sine wave inverter and a smart battery charger. 2000, 2500 and 3000 watt models available. Contact your Statpower dealer for more information or check out our web site at http://www.statpower.com. - Page 25 7725 Lougheed Highway Burnaby, CB, Canada V5A 4V8 Tel: (604) 420-1585 Fax: (604) 420-1591 www.statpower.com 445-0061-01-01...
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