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Technaxx TE22 Manual

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danger of sparking near the battery bank.
⚫ Prepare all cable set ends with ring terminals at the battery ends
⚫ Select the OFF position on the inverter
⚫ Remove the red positive(+) screw connector cap
⚫ Slide the red positive(+) cable lead onto the red positive(+) screw
connector stud. Tighten the screw connector cap securely
⚫ Remove the Black negative(-) screw connector cap
⚫ Slide the Black negative(-) cable lead onto the Black negative(-) screw
connector stud. Tighten the screw connector cap securely
⚫ Securely connect the red positive (+) cable lead to the positive (+)
terminal of the battery or power source
⚫ Securely connect the black negative (-) cable lead to the negative (-)
terminal of the battery or power source
⚫ Connect a 2.00mm² wire or larger insulated wire between the chassis
ground connector on the Inverter and a clean electrical grounding point on
the vehicle. This will minimize possible electrical noise interference when
using TVs or radios.
Note: Sparking is normal for first connection.
Operation
Before using the power inverter determine your equipment’s total
watts!
⚫ Do not connect more watt than the Output Power (maximum continuous
watt) of the device (➔ see technical specifications).
⚫ Determine Total Wattage Required, Watt ratings are usually listed in
equipment manuals or on nameplates. If your equipment is rated in Amp,
multiply that number times AC utility voltage to determine watts.
(mathematic example: a drill requires 1.5A → 1.5A x 230Volt = 345Watt.
→ No problem to use the drill.)
⚫ Remember the vehicle‘s battery will be discharged when the vehicle is
not running.
⚫ To Determine DC Battery Amps Required, divide the total wattage
required (from above) by the nominal battery voltage to determine the DC
amps required. 345Watt / 12V = 28.75A DC
⚫ To Estimate Battery Amp-Hours Required Multiply the DC amps
required (from above) by the number of hours you estimate you will
operate your equipment exclusively from battery power before you have
to recharge your batteries with utility- or generator-supplied AC power.
Compensate for inefficiency by multiplying this number by 1.2. This will
give you a rough estimate of how many amp-hours of battery power (from
one or several batteries) you should connect to your Inverter/Charger.
28.75A DC x 0.5h runtime x 1.2 inefficiency rating = 17.25 amp-hours
⚫ To Estimate Battery Recharge Required, Given Your Application You
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