Francis Searchlights L560 Manuale utente

User Instruction & Installation Manual

L560 2/3Kw Tungsten Halogen Searchlight

Product Reference Number:

A2969 –DECK A2993 –CABIN

A2893 –DECK PEDESTAL A2882 –CABIN PEDESTAL

Manufacturers details: Distributor details:

Manual Part Number: C22577

Issue: 6

Francis Searchlights Ltd

Union Road, Bolton

Lancashire, BL2 2HJ, UK

Tel: +44 (0) 1204 558960

Fax: +44 (0) 1204 558979

http://www.francis.co.uk

E-mail: sales@francis.co.uk

CONTENTS 
 
- Introduction 
 
- Safety Precautions 
 
- Technical Information 
 
- Unpacking and Installation Instructions 
 
- Electrical Installation 
 
- Operating Instructions 
 
- Fault Finding 
 
- Maintenance and Servicing 
 
- General Assembly 
 
- Spare Parts List

1 - Introduction

It is imperative that this manual is read carefully and understood before

installing your equipment. For your future reference please keep this

manual in a safe place.

Thank you for specifying a product from the Francis Searchlights range. All Francis products

are designed to give complete customer satisfaction and are manufactured to the highest

engineering standards in order to ensure optimum performance and service life.

The Francis Lite range combines features proven over many years service in the most

hazardous conditions in both marine and land installations.

In order to prolong the life and performance of your product, we recommend that you only

specify Francis Searchlights spare parts. This will also ensure that any warranties on your

equipment will not be invalidated. Information on spares ordering and parts is provided in this

manual.

Should you ever need to contact Francis Searchlights Ltd. regarding your equipment, please

quote the Product Serial Number at all times.

2 - Safety Precautions

The following instructions must be adhered to, in order to ensure a safe working environment

and the safety of the user.

Note: When unpacking or manoeuvring the searchlight into its fixing position, suitable

lifting points must be used in order to prevent damage to the equipment or personal

injury.

Prevent rain, snow, condensation and water droplets from contacting the lamp as this may

cause bulb failure and possible shattering;

Quartz halogen bulbs run with a high internal pressure in excess of atmospheric. Whilst the

construction is inherently strong, there is a slight risk of the bulb shattering;

Never look directly into an illuminated searchlight as this may cause severe damage to

eyesight. If it is necessary to inspect a lamp whilst in operation, always wear suitable

protective goggles;

Should it be necessary to examine the lamp with the front bezel removed, always use a

protective shield and wear goggles to ensure a safe working environment;

Never attempt to clean a lamp whilst in use;

Searchlights get hot. Never touch the unit when lit and always allow 15 to 20 minutes for

cooling down after turning the searchlight off;

Never place anything on or cover the searchlight when in use;

Ensure the lamp has cooled sufficiently before removal;

If undue force appears necessary to remove the lamp, the equipment should be inspected

by a competent person or contact the manufacturer;

When breaking a lamp for disposal, care must be taken to ensure the glass fragments are

safely contained. This operation must be performed out of doors in free air. In all

circumstances refer to the lamp manufacturers instructions packed with the lamp;

Due to the vast range of lamps available it may appear possible that more powerful lamps

can be used in the equipment than for which it was designed. Even when the unit will

physically accept a higher wattage or voltage lamp, this substitution is not recommended

and is dangerous. This action will also void any warranties on the equipment.

Always refer to the lamp manufacturer’s technical data when dealing with lamps.

3 - Technical Information

This product has been designed to operate in accordance with the product specification. The

L560 searchlight has the following features:

All marine grade materials and fixings;

Parabolic formed aluminium reflector;

Powder coated;

External lamp focus adjustment;

360° horizontal rotation;

Vertical movement +30° -25°;

Effective weather sealing to IP66;

Toughened front glass;

Light shield to prevent unwanted glare & stray light;

Tungsten Halogen light;

The searchlight also performs to the following optical data:

2000 Watt T/H 3000 Watt T/H

Supply voltage 220/240v or 110/115v 220/240v or

110/115v

Peak Beam Candlepower 3,900,000 lux 4,850,000 lux

Range 2030 metres 2450 metres

Divergence 4.8° 6.3°

Temperature range -20°C to +50°C -20°C to +50°C

In order that the searchlight operates correctly it is imperative that competent personnel are

responsible for the installation, operation and servicing of this equipment. Failure to adhere to

this advice may cause premature failure or incorrect operation of the searchlight, which may

damage the equipment or cause personal injury.

4 - Unpacking and Installation Instructions

The following instructions should be read and fully understood prior to installing the equipment

to ensure that the correct procedures are followed, and all safety precautions are observed.

Note: If the equipment has been in storage for a considerable amount of time, it is

advisable to conduct a routine maintenance check on all parts before installation.

Safety Precautions

This equipment should not be connected to an electrical supply before being installed.

Installation procedures should be adhered to in order to ensure a safe working environment

and reduce the risk of damage or personal injury.

Preparing the Mounting Position

Mark out and drill the fixing holes through the deck. If anti-vibration mounts are to be fitted, the

fixing holes for the mounts should also be marked out and drilled. Prior to manoeuvring the

searchlight into its’ fixing position, the AV mounts should be fitted to the base. When in the

desired position and bolt the searchlight firmly down. On an uneven surface it may be

necessary to use a suitable sealant such as silicone, in order to ensure a weatherproofed joint.

5 - Electrical Installation

For safety purposes, only competent personnel should perform the electrical installation. All

equipment should be installed to current Electrical Regulations and Standards.

In order to obtain the maximum light output from the searchlight, it is essential that the full

operating voltage of the lamp fitted be applied to the lampholder contacts.

Method of Electrical Connection

1) Disconnect the supply before working on the electrical system;

2) The searchlight must be connected to a fused electrical supply, using suitably sized cable;

3) If the searchlight is located a considerable distance from the supply, provision must be

made in the cable size in order to overcome the voltage drop. The following table should be

used for indication purposes only:

Searchlight

120v 2Kw

230v 2Kw

240v 2Kw

115v 3Kw

230v 3Kw

Cable Size (mm²)

Distance Max

2.5

15 MTRS

55 MTRS

60 MTRS

9 MTRS

37 MTRS

24 MTRS

88 MTRS

96 MTRS

14 MTRS

58 MTRS

37 MTRS

137 MTRS

150 MTRS

22 MTRS

91 MTRS

62 MTRS

230 MTRS

251 MTRS

38 MTRS

153 MTRS

4) Whenever possible cable terminations should be made below deck and with approved

terminal devices;

5) If a spare auxiliary fuse or circuit breaker is not available, one of the correct type and rating

should be fitted and connected to a positive supply. It is advisable to locate a bus bar or

main connection and avoid any direct connection to the supply:

6) For 110/220v AC products, the following colour coding system should be used for the

customer supply cable:

Brown - Live

Blue - Negative

Green/Yellow - Earth

Note: This equipment must be earthed.

6 - Operating Instructions

This equipment is designed for use out of doors, in free air. Never place anything on or cover

the searchlight when in use as this may present a hazard.

The searchlight can be positioned using the elevation and base lockwheels. When in the

desired position the lockwheels must be securely fastened to prevent damage.

The beam of the searchlight can be adjusted to give a variety of ‘spreads’. Using the focus

knob underneath the searchlight barrel the beam can be moved from ‘spot’ to ‘flood’ positions.

The searchlight is fitted with a breather unit; this ensures a steady airflow in order to prevent

any vacuum forming within the barrel.

This product should not be used for any purpose other than for which it was designed.

Any modifications to the product should not be undertaken without consulting the

manufacturer.

Setting to Work

Safe service in use necessitates the strict observance of the following precautions.

Any article fabricated from quartz or glass is inherently fragile and care should

therefore be taken, at all times, when handling lamps;

Eye protection must be worn when handling lamps that have been removed from

their packaging materials. The protective jacket should not be removed from the

lamp for safety reasons, as there is a remote possibility of the lamp shattering

violently, especially if it is subjected to mechanical shock or vibration;

Always isolate the equipment from the supply before inserting a lamp;

Before inserting the lamp ensure that all contacts are clean. Contacts must be

renewed at the slightest sign of corrosion. Sanding or filing down corroded areas is

not recommended as this will only make the conducting surface between the pin

and lampholder smaller, thus causing the lamp to overheat;

Do not twist or bend the fused quartz bulb when fitting the lamp as mechanical

stresses MUST be avoided;

The lamp must be capable of unimpeded expansion when it warms up to operating

temperature. Mechanical forces must not be applied to the fused quartz bulb;

Before the protective jacket is removed, suitable protection must be worn i.e. face

mask and gloves with wrist protection;

Never touch the quartz bulb with bare hands, as fingerprints will make the glass

cloudy and cause a severe loss of light. This may also cause recrystallisation and

thus weaken the bulb material. Should the bulb be inadvertently touched, remove

fingerprints with methylated spirit and a clean, soft paper towel. The bulb should

then be wiped with distilled water. NOTE: ALWAYS WEAR MASK AND GLOVES

DURING CLEANING);

In all circumstances the lamp manufacturer’s data should be referred to when dealing with

lamps.

When fitting the lamp:

-Always isolate the equipment from the supply when inserting a lamp;

-Ensure the circuit is suitably fused;

-Ensure the lamp is of the correct power rating and type;

-Check lampholder is in good condition. If the contacts show any sign of corrosion, replace

the lampholder;

-Check the lampholder is in a good dry condition. Never allow water to collect in the lamp

fitting or come into contact with the lamp.

To fit the lamp:

-Remove the front bezel assembly by operating the safety catch and lifting the latch body;

-For easier access the light shield may be removed by undoing the fasteners;

-Cut open one end of the protective sleeve surrounding the lamp;

-Using the sleeve to prevent the fingers coming into contact with the lamp, position the two

pins above the holes in the lampholder;

-Gently push the lamp into the lampholder and remove the protective sleeve;

-Replace the light shield and front bezel assembly, ensuring the safety catch is engaged.

Testing

Upon correct installation and connection to an electrical supply, the equipment can be tested in

order to ensure its’ correct performance. A competent person with some knowledge of electrical

equipment must carry out this work.

Equipment required: Multi-meter with leads

Ammeter

Using the equation P=VI, the approximate power output of the equipment can be calculated in

the following way:

-Using the multi-meter, take a voltage reading;

-Using the ammeter, take an amp reading from the live cable to the lamp;

-Multiply these figures together to give an approximate wattage (Power output).

For example:

Using a 240v 1000w Tungsten halogen lamp:

Voltage reading = 240v; Amps reading = 4 amps

Therefore, Wattage = 240 x 4 = 960 watts

7 - Fault Finding

All fault finding must be conducted by a competent person or qualified Electrical Engineer.

Failure of Lamp to light

Causes:

1) Power not supplied;

2) Fuse blown;

3) Failed lamp

Remedy:

1) Check voltage at supply. If supply is not present the fault is at the customer supply. If

power is present, see remedy 2;

2) Check fuse for visual failure. If none noticeable check fuse for continuity using a multi-

meter. If fuse found to be faulty, replace with new part and test equipment again for correct

working order. If found to be working correctly see remedy 3;

3) Firstly, check supply at lampholder connecting block (within searchlight barrel). If supply is

present, disconnect unit from power supply before removing the lamp. If noticeable

damage to filament is present, the lamp will have failed. The lamp can also be checked for

continuity using a multi-meter. Replace lamp ensuring all precautions and instructions

previously outlined in this manual are adhered to.

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