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Preparing for Installation
10 Chapter 1
A Final Site Survey
Now that you’ve conducted a precise site survey using the dish pointing coordinates
for your location, you should double-check one more time to make sure you have a
clear view in the direction of the satellites.
I Don’t have a clear view to the satellite.
If you don’t have a clear view to the satellites, then your site may not be suitable for
installing the satellite system. A professional installer may have an alternative
solution—consider contacting your satellite system dealer to find the name of an
authorized satellite system installer.
I’m Not sure If I have a Clear View
If you’re not certain whether you have a clear view to the satellite, you have two
choices :
• Continue with the installation and determine whether you have a clear view to the
satellite by testing the system.
• Contact your satellite system dealer to find the name of an authorized satellite
system installer who can help you verify that your property is suitable for
installation.
I Have A Clear View to the Satellite
Your site should be suitable for installing the satellite system. Continue with the
installation.
NO
60° 30°
MAYBE
60° 30°
YES!
60°
Estimating Cable Requirements
Now that you’ve decided on the exact mounting site, you need to
decide where you want the cables to enter the house. The next step
is to figure out approximately how much cable you are going to need.
1. Locate the central building ground. You will ground the antenna (using the cable
grounding block) to a single point in the central building ground. The following is
a list of acceptable building ground points:
• Grounded interior metal cold water pipe within five feet of the point
where the cable(s) enter the building
• Grounded metallic service raceway
• Grounded electrical service equipment enclosure
• Eight-foot grounding rod driven into the ground (only if bonded to the
central building ground by #6 or heavier bonding wire)
• Other acceptable grounding electrodes that comply with sections 250 and
810 of the National Electrical Code (NEC).
2. Choose a location to mount the grounding block. The block should be as close as
possible to the point where the cable(s) will enter the house.
3. Decide where inside the house you plan to put the HD receiver.
4. Measure and record your cable requirements in the spaces provided on the
following page.
A Few Words About
Grounding the System
Grounding the satellite system to the
central building ground helps protect
it and other components from
lightning damage. Dish installation
should comply with local codes and
the National Electrical Code (NEC).
Grounding the satellite system is
something you can probably do
yourself. But if you’re not sure, you
should contact a qualified electrician.