ViaSat 8010 Series, Site Preparation Manual

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Chapter 1 - General Information
Table 1-1. Power Requirements
Circuit breaker selection should take into consideration that motor starting amp surge
may be as high as 6 times the full load running current. The combined azimuth and
elevation connections must be completed by an electrical contractor and must meet all
state and local electrical codes
De-Ice System
Full Reflector Power 208V - 240V ac, 3-phase, 21.6 kVa
Half Reflector Power 208V - 240V ac, 3-phase, 10.8 kVa
Feed and Subreflector 208V - 240V ac, 3-phase, 1.0 kVa
Table 1-2. Circuit Breaker Requirements
Antenna Motorization Total 40 amp, 3-phase
Model 8861 single speed 20 amp, 3-phase
Model 8862 variable speed 50 amp, 3-phase
De-Ice System Total 100 amp, 3-phase
Power for antenna de-icing must be considered separately from the
motorized drive requirements above .
1.3.3 Electrical Grounding
Proper electrical grounding shall be provided by the installing contractor to
meet local applicable codes. Depending on local soil conditions, this may take
the form of a buried grid or a suitable copper stake. The antenna mount shall
be electrically connected to the ground.
1.3.4 Control, Power, and RF Cables
Provisions must be made to provide suitable support for control, power, and
RF cables either by buffed conduit or overhead cable tray. Lightening
arrestors must be provided across all cables leaving the antenna per
applicable local codes and N.F.P.A. codes.
1.3.5 Conduit Placement
If underground conduit is to be used for cabling and waveguide, it must be
placed in the foundation prior to pouring the concrete. Power and control
cable conduit should be at least 3 inches [7.6 cm] diameter with at least a 36
inches [91.5 cm] bend radius. Waveguide conduit should be at least 4 inch
42S045D 1-4