3Through hull & In-hull transducer installation manual NAVMAN1-1 WiringEach transducer has a cable to connect it to thenavigation instrument. When fitting this cable:Keep the cable away from other cablesand equipment (for example fluorescentlights, power inverters and VHFtransmitters.)Do not cut the cable on any depthtransducerIf necessary, extend the cable by addinga Navman 4 m (13 ft) extension cable (a1 Introduction1-2 Cleaning and maintenanceClean a transducer with a damp cloth or milddetergent. Avoid abrasive cleaners and petrolor other solvents.When repainting the hull, cover or remove anyspeed transducers. Do not paint the transducer.This manual describes how to install:Navman’s range of through hull depth andspeed/temperature transducersNavman’s in-hull depth transducer.AccessoriesThese accessories are available from yourNavman dealer:4 m (13 ft) speed/temperature transducerextension cable4 m (13 ft) depth transducer extensioncable for both single and dual frequencyunitsReplacement speed/temperaturetransducer hull fittingReplacement speed/temperaturetransducer paddlewheel20 m (65 ft) dual frequency depthtransducer extension cable.maximum of one cable can be used). Fordual frequency transducers, a 20 m (65 ft)extension cable is available.Ensure no cable connectors liein the bilgeSecure the cable at regular intervalsRefer to the navigation instrument’sinstallation manual for instructions on howto connect the cable to the instrument.Do not use a high pressure water blast onthe speed transducer paddlewheel as it maydamage the bearings.Contents1 Introduction.............................................................................................31-2 Cleaning and maintenance ............................................................................ 31-1 Wiring ............................................................................................................. 32 Through hull transducers ......................................................................42-1 Positioning a through hull transducer............................................................. 62-2 Installing a through hull transducer ................................................................ 63 In-hull depth transducer ........................................................................83-1 Positioning an in-hull transducer .................................................................... 83-2 Installing an in-hull depth transducer ............................................................. 9