Airmar CS4500-610—Ultrasonic Speed User Manual download pdf

17-263-01 rev. 02 04/12/11

Thru-Hull, Retractable with Valve

Ultrasonic Speed & Temperature Sensor

Model: CS4500-610

U.S. Patent 6,426,918; 6,671,225; 6,678,208. EP 1 634 087

Applications

• Not recommended for boats designed to pull air under the hull.

• Plastic housing recommended for fiberglass or metal hull only.

Never install a plastic housing in a wood hull since swelling of

the wood may fracture the plastic.

• Bronze housing recommended for fiberglass or wood hull only.

Never install a bronze housing in a metal hull because

electrolytic corrosion will occur.

• Raymarine ST-40—The ultrasonic insert is too long for the

existing housing. Install the new housing supplied.

How the Ultrasonic Speed Sensor Works

The speed sensor uses ultrasonic pulses to collect echoes from

small particles in the water as they pass under two transducers

embedded in the insert (see Figure 1). These transducers monitor

the particles in their respective beams. As the boat travels through

the water, both transducers ‘view’ the same stream of particles.

Because it takes time for particles to travel between the two

transducers, the aft transducer detects the particles later than

does the fore transducer. By measuring this time lapse, the

instrument calculates the boat speed. If the boat is airborne, even

for a short time, or in highly aerated water, the sensor will

measure an incorrect speed.

scanning transducer

FORE AFT

hull

vessel direction

particle stream

Figure 1. Monitoring particles in the water

INSTALLATION INSTRUCTIONSOWNER’S GUIDE &

Record the information found on the cable tag for future reference.

Part No._________________Date___________

Follow the precautions below for optimal product

performance and to reduce the risk of property

damage, personal injury, and/or death.

WARNING: The ultrasonic insert must be installed in

a housing with a valve.

WARNING: Always wear safety goggles and a dust

mask when installing.

WARNING: The power must be ‘OFF’ before proceeding.

WARNING: The power supply voltage must be

10-15VDC

WARNING: A safe installation requires a 0.5 amp fast

blow fuse or circuit breaker.

WARNING: The valve is not a watertight seal! Always

use the insert or blanking plug secured with the safety

wire for a watertight seal.

WARNING: The o-rings must be intact and well

lubricated to make a watertight seal.

WARNING: Always attach the safety wire to prevent

the insert or blanking plug from backing out in the

unlikely event that the cap nut fails or is screwed on

incorrectly.

WARNING: Immediately check for leaks when the

boat is placed in the water. Do not leave the boat

unchecked for more than three hours. Even a small

leak may allow considerable water to accumulate.

CAUTION: Never pull, carry, or hold the transducer by

its cable; this may sever internal connections.

CAUTION: Never use a fairing with a plastic housing;

the protruding sensor would be vulnerable to damage

from impact.

CAUTION: Never install a metal housing on a vessel

with a positive ground system.

CAUTION: Never use solvents. Cleaners, fuel,

sealants, paint, and other products may contain strong

solvents, such as acetone, which attack many

plastics, greatly reducing their strength.

IMPORTANT: The sensor must be in good contact

with the water at all times.

IMPORTANT: Read the instructions completely

before proceeding with the installation. These

instructions supersede any other instructions in your

instrument manual if they differ.

1 2 3 4 5 6

Summary of Contents

Page 1 - Applications

17-263-01 rev. 02 04/12/11Thru-Hull, Retractable with ValveUltrasonic Speed & Temperature SensorModel: CS4500-610U.S. Patent 6,426,918; 6,671,225;

Page 2 - Installation

2Tools & MaterialsSafety gogglesDust maskWater-based anti-fouling paint (mandatory in salt water)Electric drill with 10mm or larger chuck capacity

Page 3 - Checking for Leaks

32. Using the 51mm or 2" hole saw, cut the hole perpendicular to the hull from outside the hull.3. Sand and clean the area around the hole, insid

Page 4 - Using the Blanking Plug

46. Sand and clean the area around the hole, inside and outside, to ensure that the sealant will adhere properly to the hull. If there is any petroleu

Page 5 - Preparing the Cables

5WiringTools & MaterialsPencilDrillDrill bit: 3mm or 1/8"Cutting pliersPhillips screwdriverWire strippersHeat-shrink tubingHeat gunBlade scre

Page 6 - Troubleshooting

6BRNWHTGRNBLKREDREDGRNBAREWHTBRNREDBLKBATTERYINSTRUMENTSENSORWiring the Junction BoxCAUTION: Sensor cable—Do not attempt to connect the bare wire and

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Airmar CS4500-610—Ultrasonic Speed User Manual

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