Raymarine Viewable Marine Displays User Manual

Also see for G170: Instructions

Raymarine Viewable Marine Displays User Manual Manual pdf 17 page image

Installation 13Planning the installationBefore you install your display, the following points should beconsidered:• Power requirements.• Cable runs.• Display location and mounting options.• Additional accessories, e.g. keyboard or speakers.Power requirementsYour Sunlight Viewable display is designed to run on boat’s DCpower systems rated at 12 V or 24 V. A cable of 1.5 m length issupplied for connecting the display to your boats DC powersystem.The DC power system should be either:• Negative grounded, with the negative battery terminal connectedto the boat’s ground, or,• Floating, with neither battery terminal connected to the boat’sground.Grounding the displayIt is important that an effective radio frequency (RF) ground isconnected to the display. You must ground the display byconnecting the drain wire (shield) of the power input cable to thenearest ground point of the boat’s RF ground system.Power connectionsThe power connection to the display should be made at eitherthe output of the battery isolator switch, or at a DC power distri-bution panel. Raymarine recommends that power is fed directlyto the display via its own dedicated cable system and MUST beprotected by a thermal circuit breaker or fuse, fitted close to thepower connection. If you do not have a thermal circuit breaker orfuse in your power circuit, you MUST fit an in-line breaker orfuse to the positive (red) lead of the power cable.Refer to the following table for isolator switch circuit breaker orfuse value ratings.Check all terminal connections are clean.CAUTIONPower requirementsThis display is not intended for use on boats with“positive” ground. The power input cable earthscreen connections must be connected directlyto the boats ground.CAUTIONThermal circuit breakerIf you do not have a thermal circuit breaker orfuse in your power circuit, e.g. fitted to the DCdistribution panel, you MUST fit an in-line breakeror fuse to the positive (red) lead of the powercable.81277_1.book Page 13 Thursday, August 17, 2006 1:51 PM