14 | SAMLEX AMERICA INC.
SAMLEX AMERICA INC. | 15
!
caution!
1. Do not connect the ac output of the unit to ac distribution wiring where the neutral is
bonded to Ground. the inverter will see this as abnormal condition of Ground fault and
will shut down.
2. the ac output of this unit can not be used in parallel with another ac power Source –
SeVere DamaGe WiLL occur!
Limiting electro-magnetic interference (emi)
This unit contains internal switching devices that generate conducted and radiated elec-
tromagnetic interference (eMI). The eMI is unintentional and cannot be entirely elimi-
nated. The magnitude of eMI is, however, limited by circuit design to acceptable levels to
provide reasonable protection against harmful interference. This unit can conduct and
radiate radio frequency energy and, if not installed and used in accordance with the in-
struction manual, may cause harmful interference to radio communications. The effects of
EMI will also depend upon a number of factors external to the unit like proximity of the
unit to the EMI receptors, types and quality of connecting wires and cables etc. EMI due to
factors external to the unit may be reduced as follows:
-
Ensure that the unit is firmly grounded to the ground system of the building or
the vehicle.
-
Locate the unit as far away from the eMI receptors like radio, audio and video
devices as possible.
-
Keep the DC side wires between the battery and the unit as short as possible.
-
Do not keep the battery wires far apart. Keep them taped together to reduce their
inductance and induced voltages. This reduces ripple in the battery wires and improves
performance and efficiency.
-
Shield the DC side wires with metal sheathing / copper foil /braiding: - Use coaxial shielded
cable for all antenna inputs (instead of 300 ohm twin leads) - Use high quality shielded
cables to attach audio and video devices to one another.
-
Limit operation of other high power loads when operating audio/video equipment.
Buzzing Sound in audio Systems
Some inexpensive sound stereo systems and “Boom Boxes” may emit a buzzing sound
from their speakers when operated from this unit. This is likely to occur because the
power supply in the electronic device does not adequately filter higher frequency har-
monics generated by Modified Sine Wave produced by this unit. The solution is to use
higher quality sound system that incorporates higher quality of interference suppression
in its power supply.
SECTION 4 |
Installation
Summary of Contents for SAM-1500C-12
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