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Physical Installation | Electrical
Installation | Potentiometer
Chart
Physical Installation
NULITES can be installed by anyone
in just minutes. Nulites have a special bezel that focuses
the light toward the instrument without interfering with other
normal night-flying operations. The amount of light has been
designed to match the level of any present instruments already
internally lit. Our system, by design, concentrates 60% of
the light in the top half of the instrument. This ensures
that there are no problems with parallax, hot or cold spots,
or glare. It is important that the lights be installed with
the bezel side to the instrument, and the wires coming out
of the top of the unit.
NOTE: NEVER USE AN ELECTRIC
SCREWDRIVER ON A NULITE. The “snap” torque could possibly
snap the unit and void the warranty .
| INSTALLATION UNDER PANELThe
most common installation is to sandwich the unit between
the instrument and the panel.This method is preferred
when there is no panel overlay. Remove the instrument
and place the NULITE between the instrument and the
panel with the wires coming out of the top (as seen
in Figure 1). Reinstall mounting screws and attatch
wires to dimming circuit. (Also see Electrical Installation.)
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| INSTALLATION OVER PANEL
If the aircraft instrument panel is equipped with an
overlay, the NULITE can be installed over the instrument
panel and then covered by the overlay. This procedure
does not recess the Instrument. Remove the cover and
install the NULITE with the wires coming out of the
top of the unit (see Figure 2). Reinstall the screws
and the overlay after connecting the wires to the dimming
circuit. (Also see Electrical Installation.) |
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INSTALLATION TIPS It
is always best to plan out any installation. First you must
answer several key questions:
- Do I have the right NULITE model for this specific instrument?
- What voltage is the aircraft’s electrical system?
- Do I know how to tie into the existing electrical system?
- Will the installation be under or over the instrument
panel?
- Do I need to add another dimming potentiometer?
Note: NULITEs are not
painted. The chemical coating is much like that used on computer
keyboards. It is not easily effected by most solvents. Placing
a small drop of Super Glue or RTV on the top outside corners
will secure the light assembly to the instrument panel. This
will prevent the light from moving during routine removal
and re-installation of the instrument.
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