I n s t a l l a t i o n G u i d e l i n e s
Mounting your Inverter Continued
Fuses:
As stated in this manual, for an ABYC E-11 compliant installation, this Inverter must
be installed with an inline fuse in the positive (+) cable on the DC side of the inverter
(between the battery and the inverter) at a distance of seven inches from the battery
connection (Please see Specifications Table in this Manual for correct sizing).
If this external fuse blows, or if the breaker trips on the larger models, there is a short
or overload in the DC wiring. Find and fix the problem before replacing the fuses or
resetting the breaker. After replacing the fuse, reconnect the inverter.
In addition to the DC inline fuse, the TruePower inverter is protected by an additional
ATC style (automotive style fuse). On the 200 and 400watt models, this fuse can be found
on the side of the inverter.
All units should be serviced only by a professional qualified electrician, or more preferably
by our factory service department. For any service issues, please call toll free 1-800-
824-0524.
To mount the TruePower Inverter:
1. Turn the On/Off switch on the front panel of the inverter to Off position.
2. Select an appropriate mounting location and orientation.
3. Hold the inverter against the mounting surface, mark the position of the mounting
screws, and then remove the inverter.
4. Drill pilot holes for the four mounting fasteners ( Use caution prior to drilling or cutting
to ensure proper clearance from existing wiring and hardware).
5. Fasten the inverter to the mounting surface with four hardware fasteners.
Note: For the best load starting performance, the DC cables should be short and
large as possible. A solid, low resistance connection to the DC power source is
important for proper operation of the TruePower Inverter. Using a smaller cable may
cause the inverter to shut down under a heavy load.
Note: A ground stud can be found on the rear panel of the TruePower inverter as illustrated
in “TruePower Overview” earlier in this manual. The ground stud must be connected to
a grounding point, which will vary depending on where the TruePower inverter is installed.
We recommend an #8 gauge AWG or larger copper wire. In a vehicle, please secure a
ground wire from this stud to the chassis of your vehicle, keeping the distance of the
ground as short as possible. In a boat, connect to the boat’s grounding system. In a fixed
location connect the inverter’s ground stud to earth by connecting to a ground rod (a metal
rod pounded into the earth) or other proper service entrance ground.
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14
Tr o u b l e s h o o t i n g
Power tool operates at incorrect speed
Possible Cause:
- Caused by the purely inductive load
Solution:
- Operate a small lamp or a similar non-inductive load at the same time as the tool.
Note about Modified Sine Wave Inverters
A modified sine wave inverter has a waveform more like a square wave, but with
an extra step or so. A modified sine wave inverter will work fine with most equipment,
although the efficiency or power will be reduced with some.
Motors, such as refrigerator motor, pumps, fans etc will use more power from the
inverter due to the fact that a modified sine wave has a lower efficiency than that
of pure sine wave. Most motors will use about 20% more power.
Some fluorescent lights may not operate quite as bright, or may buzz.
Electronic timers and/or digital clocks will often not operate correctly. Many
appliances get their timing from the line power, and because the timing of a modified
sine wave signal may be slightly different than that of a pure sine wave, clocks and
timers may run faster or not work at all.
Note: Some stereo systems and radios may emit a buzzing sound from their speakers
when operated from the inverter. This buzzing occurs because the radio or electronic
device does not filter the modified sine wave produced by the inverter adequately.
Television interference may occur with some TV signals, even though this inverter
is designed to minimize such interference. If a disturbance occurs in a weak TV
signal, you may try the following to correct the problem:
- Place the TruePower inverter far away as possible from the television, the antenna
cables and the antenna as well. Use an extension cable from the inverter to the TV
if necessary.
- Make sure the TV antenna provides a snow free signal when operated on a source
other than the inverter. Additionally, we recommend the use of a high quality,
shielded antenna cable.
- Coil the TV power cord as well as the input power cables running from the battery
to the inverter.
- Attach an AC interference filter or similar filter product between the inverter and
televisions power cord. This type of filter is available at most electronic supply
stores.
- Try a different Television set as different models and manufacturers vary in their
vulnerability to interference.
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