Francis Searchlights FL710 User manual

User Instruction & Installation Manual

FL710 Suez

Tungsten Halogen Searchlight

Product Reference Number:

FL710 Suez Tungsten Halogen Searchlight

Manufacturers details: Distributor details:

Manual Part Number: C14852

Issue: 3

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 FL 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 manufacturers technical data when dealing with lamps.

3 - Technical Information

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

FL710 Suez searchlight has the following features:

All marine grade materials and fixings;

Parabolic split glass reflector;

Stove enamel painted;

360° horizontal rotation;

Vertical movement +40° to -35°;

Toughened front glass;

Gas proofed for use on tankers;

Fitted with a pressure relief valve & exhaust cock;

Lamp changeover system in event of lamp failure;

Single beam 5-10° split beam of two 5° sections with 0-10° dark centre;

The searchlight also performs to the following optical data:

Single Beam Split Beam

Lamp Vert. P.B.C.P. Range Hor. Vert. Centre P.B.C.P. Range

Metres Angle Metres

D1823 2.5° 4,945,000 2,212 5° 2.5° 0-10° 2,472,500 1,563

D9843 3° 5,796,000 2,600 5° 3° 0-10° 2,898,000 1,600

D4604 3° 3,719,000 1,946 6° 3° 0-10° 1,859,500 1,383

D9841 4° 4,820,000 2,589 6° 4° 0-10° 2,410,900 1,585

D1839 4° 3,718,000 1,942 6° 3° 0-10° 1,859,000 1,381

D9842 4° 4,821,000 2,600 6° 4° 0-10° 2,410,950 1,600

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 and 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 FL

115v 2Kw

115v 3Kw

220v 2Kw

240v 2Kw

240v 3Kw

Cable Size (mm²)

Distance Max

1.5

8 MTRS

5 MTRS

31 MTRS

37 MTRS

24 MTRS

2.5

14 MTRS

9 MTRS

51 MTRS

60 MTRS

40 MTRS

22 MTRS

14 MTRS

88 MTRS

96 MTRS

64 MTRS

34 MTRS

23 MTRS

125 MTRS

150 MTRS

99 MTRS

57 MTRS

38 MTRS

210 MTRS

250 MTRS

167 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 beam of the searchlight can be adjusted to give a variety of beam types. Using the external

focus wheel situated to the rear of the searchlight, the desired beam can be achieved for any

particular application.

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 manufacturers 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:

-Unfasten the latches on the front of the searchlight, remove the bezel and glass and store in a

safe place;

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

-Using a cloth 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;

-Replace the light shield/spill ring and front bezel assembly, ensuring the latches are securely

fastened.

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: Multimeter with leads

Ammeter

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

following way:

-Using the multimeter, 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 multimeter. 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 multimeter. Replace lamp ensuring all precautions and instructions previously outlined in this

manual are adhered to.

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