IS13.5IS18.5IS23

#19601

USAGE AND MAINTANENCEMANUAL

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Figure ........................................................................................................................................ 2Wiring diagrams ....................................................................................................................... 7

1 GENERAL INFORMATION ............................................................................................. 13 1.1 Purpose of the manual .................................................................................................... 13 1.2 Attached documents ....................................................................................................... 14 1.3 Machine identification ...................................................................................................... 14 1.4 Safety standards ............................................................................................................. 14

2 GENERATOR DESCRIPTION ......................................................................................... 14 2.1 Introduction ..................................................................................................................... 14 2.2 Generator composition .................................................................................................... 14 2.3 Cooling system ............................................................................................................... 14 2.4 Control panel ................................................................................................................... 14

3 USING THE GENERATOR .............................................................................................. 15 3.1 Preliminary checks ......................................................................................................... 15 3.2 Bleeding the air from the supply system ......................................................................... 15 3.3 Start-up ........................................................................................................................... 15 3.4 Stop ................................................................................................................................ 16

4 PREVENTATIVE SHUT DOWNS .................................................................................... 16 4.1 Low oil pressure shut down ............................................................................................. 16 4.2 High water temperature shut down .................................................................................. 16 4.3 Alternator thermal overload shut down ............................................................................. 16 4.4 Short circuit and overload shut down ............................................................................... 16 4.5 Short circuit and overload shut down for the battery charger DC alternator. ..................... 16 4.6 Short circuit shut down for the low voltage electric system. ............................................. 16

5 MAINTENANCE .............................................................................................................. 16 5.1 Routine maintenance of the engine ................................................................................. 16 5.2 Changing engine oil and oil filter ...................................................................................... 16 5.3 Cleaning the air filter ....................................................................................................... 16 5.4 Replacing the fuel filter .................................................................................................... 16 5.5 Checking the cooling liquid ............................................................................................. 17 5.6 Checking the tension of the V-belts ................................................................................. 17 5.7 Emptying the cooling system .......................................................................................... 17 5.8 Replacing the cooling liquid ............................................................................................. 17 5.9 Replacing zinc anodes. ................................................................................................... 17 5.10 Alternator maintenance ................................................................................................... 17 5.11 Battery maintenance ....................................................................................................... 17 5.12 Periods of inactivity ......................................................................................................... 19 5.13 Table of scheduled maintenance tasks ............................................................................ 19 5.14 Fault table ....................................................................................................................... 19

6 SPECIFICATIONS .......................................................................................................... 20 6.1 References for wiring diagrams ........................................................................................ 21

CONTENTS

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1 GENERAL INFORMATION

Carefully consult this manual before proceeding with any operation on the generator.

THE WARRANTY OF THE PRODUCT MAY BE VOIDED IF THE SPECIFICATIONS CONTAINED IN THISINSTALLATION MANUAL ARE NOT FOLLOWED.

1.1 Purpose of this manual

Thank you for choosing a Mase product.This manual is written by the manufacturer for the purpose of providing essential information and instructions forsafety, proper use. and maintenance. This manual must be safely stored with the boat owner information for theentire life of the generator and must accompany the generator if transferred to another user or owner.

The information contained in the manual is addressed to all those persons involved in the operating life cycle ofthe generator, and is necessary to inform those who use the genset, are around the genset, and who performmaintenence and/or repair.

This manual defines the purpose for which the generator was constructed and contains all the information necessaryto guarantee safe and proper use. Observance of the instructions contained in this manual ensures the safety of theoperator, operating economy and longer life of the generator.

It is strongly recommended to carefully read the contents of this manual and the reference documents to informyourself of the regular function and maintenence to ensure the safetly of those using the generators and thereliability of the generator itself.

Drawings are provided by way of example. Even if your generator differs considerably from the illustrations containedin this manual, the safety of the generator and the information provided are still appropriate and important.

Note: the information contained in this publication is correct at the time of printing. The manufacturer in his pursuitof a policy of constant development and upgrading of the product reserves the right to make modifications withoutprior notice.

SYMBOLS

Those parts of the text not to be ignored are highlighted in bold type preceded by a symbol, as illustrated and definedbelow.

Indicates that particular attention must be paid in order to prevent running into serious danger

which could lead to death or possible hazards to the health of personnel.

A condition which may occur during the lifetime of a product, system or plant considered at

risk regarding damage to persons, property, the environment or economic loss.

Indicates that particular attention must be paid in order to prevent serious damage to the productor other property.

Instructions of particular importance.

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1.2 Attached documentsThe following documents are an integral part of thismanual.

- EC declaration of conformity;- Engine use and maintenance manual;- Installation manual;- Service manual;- Warranty certificate;- Warranty card;

1.3 Machine identification

See FIG.11 - Machine code2 - Year of manufacture3 - Power factor4 - Declared frequency5 -Continuous output6 - Nominal voltage7 - Current8- Serial number

1.4 Safety standards

- Read all the information contained in this manual and inthe installation manual carefully; it is essential for thecorrect installation and use of the generator and enablesappropriate action to be quickly taken if it is required. - Do not allow unauthorized persons to use the generatorand do not allow anyone to use the generator withoutadequate training.- Prevent children or animals from approaching the gen-erator while it is in operation. - Do not approach the generator or remote control panelif your hands or any other part of your body is wet as thegenerator can be a source of electric shocks if it isincorrectly used. - Switch off and lock out the engine before carrying outchecks on the generator; only expert personnel areauthorized to check the generator whilst it is operating. - Do not breath the combustion fumes as they containharmful substances.

If oil or fuel leaks occur, cleanthem thoroughly in order not create a fire hazard.

Do not use water to put out fires:use extinguishers.

2. GENERATOR DESCRIPTION

2.1 Introduction

The IS13.5, 18.5, and 23 series generators have beendesigned for easy installation on boats.

The soundproof structure consists of panels in marinealuminium. These panels provide easy access to theengine and the alternator for maintenance and inspec-tions while, at the same time, considerably reducingsound levels.

The direct-injection 4-stroke diesel engine by Yanmar isreliable and efficient. The 4-pole synchronous alternatorhas no brushes and has an electronic voltage adjuster(SR7) that guarantees fluctuations from nominal voltageare no greater than ± 5%. The alternator’s surge capacitymakes the generator ideal for supplying the electricmotors of conditioners, desalination units, compressors,etc.

IS13.5,18.5 and 23 generators have a local control panel[fig.1 ref.9] on which the controls and control instrumentsare located.

2.2 Generator composition

The generator consists of:- a sound shield [fig.1 ref.10];- an engine [fig.1 ref.11];- an alternator unit [fig.1 ref.12];- a water - water exchanger [fig.1 ref. 13];- an air water - exchanger [fig.1 ref.14];- a support base [fig.1 ref.15];

2.3 Cooling system

The generator engine is cooled by a closed circuit raw seawater heat exchanger.The exchanger is in cupronickel and has been speciallydesigned by Mase to enable the engine to be used inmarine applications.When installing it, a wet exhaust system must beinstalled to discharg the combustion fumes and the waterthat has been used for cooling.

2.4 Control panel

A control panel is located on the generator to enablechecks to be made and the generator to be started andstopped. An engine overload protection module [fig. 2, ref.1] manages generator overload protection, cuts out theengine in the event of a fault, and sends an alarm signalby means of the warning lights.

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-If the green warning light “RUN” [fig. 2, ref. 2] is lit up itmeans the generator is running and no operating fault hasbeen detected.-If the red warning light “BATT.” [fig. 2, ref. 3] illuminatesit means the battery charger alternator is faulty.-If the red warning light “OIL” [fig. 2, ref. 4] illuminates itmeans engine oil pressure is too low.-If the red warning light “ °C “ illuminates it means thetemperature of the cooling liquid or the water in the heatexchangers is too high.-If the red warning light “ °C “ illuminates it means thetemperature of the alternator coils is too high.

The control panel also contains:-a two-pole circuit breaker [fig. 2, ref. 7] that interrupts thecurrent in the event of an overload or short circuit;-a circuit breaker switch [fig. 2, ref.8] to protect the lowvoltage electrical circuit from short circuits;-an circuit breaker [fig. 2, ref.9] to protect the batterycharger alternator;-an hour meter [fig. 2, ref.10];-a generator start or stop button [fig. 2, ref.11].

The control panel can be connected [fig. 2, ref.12] to theremote control panel [fig. 3, ref. 1 - 5] available as anoptional accessory by Mase.

There are two different models of remote control panelillustrated in fig. 3.The more basic model has a start and stop button [fig. 3,ref. 3], a green warning light [fig. 3, ref. 2] that indicatesthe generator is on if it is lit up and a red warning light [fig.3, ref. 4] that comes on to show the generator hasswitched off because of an operating fault.The second version of the remote control panel [fig. 3, ref.5] not only has the start and stop button and the warninglights but also an instrument that shows engine oilpressure [fig. 3, ref. 7], an instrument that shows coolingliquid temperature [fig. 3, ref. 6], a volt meter that showsbattery voltage [fig. 3, ref. 8] and an hour meter [fig. 3, ref.9].When the remote control panel is switched on it is notpossible to start up the generator from the local panel.

Before performing maintenancework on the generator, disconnect the remote controlpanel.

3. USING THE GENERATOR

3.1 Preliminary checksWhen the generator is first started or if any maintenancehas been carried out, always check that:- The oil is at the correct level on the dipstick [fig. 4, ref.1]: see Table A ‘Recommended Oils’ fig. 4.- The generator has been firmly bolted down at all points- All electrical equipment has been disconnected inorder to prevent the generator from being started up whileit is wired to electrical equipment.- The water and fuel pipes are connected correctly.- The generator has been correctly wired and there areno connections in a poor condition.- The sea cock is open [fig. 5, ref. 2]- The raw water circuit from the pump to the valve hasbeen filled manually if a check valve has been fitted on thesea water intake (as recommended) [fig. 5, ref. 1].

3.2 Bleeding the air from the supply systemIf there are air bubbles inside the supply system they arecaused by engine malfunctions or the inability to reachthe nominal rpm. Air may enter the inside of the supplycircuit via a non-airtight joint (pipes, filters, tank) or if thefuel inside the tank is at minimum. To eliminate the airbubbles, first of all eliminate the cause and carry out thefollowing operations:

1- Loosen the bleed screw on the fuel filter [fig. 6, ref. 2](also consult the engine use and maintenance manual).2- Adjust the AC fuel pump lever manually [fig. 6, ref. 1]until all the air in the supply system has been releasedthrough the bleed screw.3- Tighten up the bleed screw [fig. 6, ref. 2] and start upthe engine.4- Repeat the operations described above if engineoperation is still irregular.

3.3 Start-up

Before starting up the generator, make sure the preliminarychecks described in paragraph 3.1 have been carried out.Press the START button on the control panel [fig. 2, ref.11] to start up the generator. and release it only after thegenerator has started up. Do not keep it pressed for morethan 15 seconds for each attempt and pause at least 15seconds between attempts. The warning lights of theengine protection module will come on for a few seconds[fig. 2, ref. 1] but if there are no engine or generator faultsonly the green RUN warning light [fig. 2, ref. 2] will remainon to show that the generator has started up and opera-tion is regular.

Repeated unsuccessful attemptsto start up the generator can cause an excessiveamount of water to accumulate in the dischargesystem and may seriously damage the engine.

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4.3 Alternator thermal overload shut down

This is triggered and switches off the generator to protectthe alternator from thermal overload If it is tripped, warninglight “°C” [fig. 2, ref. 6] comes on.The generator can only be switched on again after a fewminutes when the temperature of the alternator windingshas returned to normal. The generator must not be startedup until the cause of the fault has been identified andeliminated.

If one of the above safety devicesis triggered, find the cause and eliminate it, then the“STOP” button must be pressed to reset the controlpanel (otherwise the signal will remain stored) toprevent the engine from starting up.

4.4 Short circuit and overload shut down

The generator is protected from short circuits and electri-cal overloads. A twin-pole circuit breaker [fig. 2, ref. 7]interrupts the power supply when a short circuit occurs orwhen the power supplied exceeds the nominal value.Before restoring the power supply by pushing up theswitch lever, disconnect the electrical equipment.

4.5 Short circuit and overload shut down for thebattery charger DC alternator.

If the battery charger DC alternator is overloaded or hasa short circuit a one-pole circuit breaker [fig. 2, ref. 9]interrupts the power supply to the 12 volt battery charger.Before restoring the power supply by pressing the buttonon the cut-out switch [fig. 2, ref. 9] have the generator’sstarter battery checked by a qualified technician.

4.6 Short circuit shut down for the low voltageelectric system.

If the low voltage circuit short circuits a circuit breaker [fig.2, ref. 8] will interrupt the circuit and stop the generator.If the warning lights of the engine shut down module all goout it will not be possible to start up the system again.

Before restoring the power supply by pressing the buttonlocated on the cut-out switch [fig. 2, ref. 8] have a qualifiedtechnician eliminate the cause of the short circuit.

5. MAINTENANCE

Before carrying out any work onthe generator, switch off the engine and let it cool.Any work must be carried out only by qualifiedpersonnel.

If it is difficult to start up the engine , the attemptsshould not be continued too long without first clos-ing the sea cock.

3.4 Stop

Press the “STOP” button on the control panel to stop thegenerator [fig. 2, ref. 11].

Before stopping the generatorrun it for a few minutes without connecting it to thepower supply so the engine and alternator can cooloff.

4. PREVENTATIVE SHUT DOWNS

The IS series generator has a series of safety shut downsthat protect it from incorrect use and malfunctions.When the generator stops because a safety shut downhas been triggered the light indicating the fault that hasarisen will light up on the engine overload protectionmodule [fig. 2, ref. 1] of the control panel.

4.1 Low oil pressure safety device

This is triggered when engine oil pressure is insufficient.If it is triggered, the “OIL” warning light comes on [fig. 2,ref. 4].It is normally sufficient to replace the amount of oil that ismissing in order to start up the unit again.

The low oil pressure shut downdoes not show the level of oil in the sump. The oillevel must therefore be checked every day.

- The low oil pressure shut downdoes not give an indication of the level of engine oilin the sump. Therefore, check this level daily.- The engine functions properly at 25º inclination. It

will operate at a maximum inclination of 30º for lessthan 3 minutes, (both on the longitudinal and thetransverse axis.) If the engine is operated at agreater inclination, the risk of insufficientlubrication or aspiration of engine oil through theair filter is probable.

4.2 High water temperature shut down

This is triggered and switches off the generator when thetemperature of the engine’s coolant is too high or if the rawwater circuit fails.If it is tripped, warning light “°C” [fig. 2, ref. 5] comes on.The generator must not be started up until the cause of thefault has been eliminated.

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Before approaching the genera-tor disconnect one of the poles of the starter batteryso it cannot be accidentally started up.

5.1 Routine maintenance of the engine

The regular maintenence that must be carried out on theengine are shown on the table.For more detailed information, consult the manual sup-plied by the engine manufacturer that accompanies eachgenerator .

Use the dipstick to check the oillevel [fig. 4, ref. 1]. The level must always bebetween the MAX. and MIN notches on the dipstick[fig. 4, ref. 2] .

5.2 Changing engine oil and oil filter

The engine sump has the following capacity:IS13.5 - 5.5qt.IS18.5 - 6.1qt.IS23 - 10.8qt.

Oil must be poured in and topped off through the hole [fig.7, ref. 1 - 2].To change the oil the engine sump, remove the dipstick[fig. 4, ref. 2], remove the screw that serves as a cap anduse the extraction pump [fig. 7, ref. 3].Drain the oil while it is still warm enough to allow it to drainoff easily.See Table “A”, fig. 4 for information on recommended oils.

The engine oil must be changedfor the first time after 50 hours of generator opera-tion; the second and subsequent oil changes cantake place every 200 hours.

For more detailed information onengine lubrication consult the engine use and main-tenance manual that accompanies the generator.

Do not dump used oil as it is apolluting product. Deliver the lubricating oil to thecollection centers that are responsible for the disposalof oil.

Do not allow the engine oil tocome into contact with the skin. During mainte-nance operations use protective gloves and goggles.If the lubricating oil comes into contact with the eyesor skin, wash the affected part immediately andthoroughly with soap and water.

To replace the engine oil filter [fig. 7, ref. 4], unscrew itfrom its support. Refit the new filter and make sure tolubricate the ring seal. The first filter must be changedafter 50 hours of generator operation and the second andsubsequent ones must be changed every 400 hours.For further information, see the engine use and mainte-nance manual.

To ensure engine maintenanceuse only manufacturer approved spare parts.

When maintenance has beencompleted, thoroughly clean all the parts of thegenerator that are covered in oil and fuel.

5.3 Cleaning the air filter

The IS series generators have a dry air filter that stopsdebris from entering the combustion chamber. Clean thefilter with diesel fuel once a year to free it of impurities.

Do not dump the liquids used forwashing the air filter but take them to an approvedcollection center.

5.4 Replacing the fuel filter

In order to ensure the engine has a long working life, thefuel filter must be replaced regularly at the intervalsindicated by the engine manufacturer on the table set outin paragraph 5.13.To change the fuel filter, follow this procedure:- close the fuel valve [fig. 6, ref. 3].- loosen the supporting ringnut completely [fig. 6, ref. 4]- remove the old cartridge and fit the new one- to fit again repeat the operations in the reverse order.

After the filter has been replaced, the supply system mustbe bled to remove all the air bubbles that have formedinside (see paragraph 3.2).

Do not allow the fuel to come intocontact with the skin. During maintenance opera-tions use protective gloves and goggles.If the lubricating oil comes into contact with the eyesor skin, wash the affected part immediately withsoap and water.

After the fuel is drained, carefullyclean off all traces of fuel and take the rags to theappropriate collection center.

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5.5 Checking the coolant level

The level of coolant level in the closed cooling circuit mustbe checked regularly. The reference marks for his checkare displayed on the expansion tank [fig. 7, ref. 5]. If thelevel is insufficient, pour cooling liquid into the expansiontank but do not go beyond the marked filling level.

Never open the cap of the expan-sion tank [fig. 7, ref. 5] and the exchanger [fig. 7, ref.6] when the engine is hot to avoid the risk of coolingwater escaping.

5.6 Checking the tension of the V-belts.

A V-belt is used to transmit the rotation direction from theengine shaft pulley to the raw water pump pulley [fig. 8,ref. 1] .Excessive belt tension will cause it to wear out morequickly while excessive slackness will cause the pulleysto slip and not circulate a sufficient quantity of water.Adjust belt tension in the following manner: loosen thetwo adjusting screws [fig. 8, ref. 2] and move the sea waterpump to the outside to increase tension and to the insideto slacken it. Lock the screws in position and check belttension.The belt has been correctly adjusted if it yields about3/16" (5 mm) if a thrust of 18 lbs. is exerted5 mm [fig. 8 ].

A second belt transmits the rotation from the engine shaftpulley to the closed circuit liquid pump shaft and thebattery charger DC alternator shaft [fig. 8, ref. 3].Adjust belt tension in the following manner: loosen theadjusting screw [fig. 8, ref. 4] and move the batterycharger DC alternator [fig. 8, ref. 5] towards the outside toincrease tension and to the inside to slacken.

The belt has been correctly adjusted if it yields about3/8" (10 mm) if a thrust of 18 lbs. is exerted [fig. 8 ].

To prevent belt slippage, do notlet oil come in contact with it. The belt must becleaned if it has oil on it.

Keep hands away from V-beltand pulleys when the engine is running.

5.7 Draining the cooling systemBefore performing maintenance on the water-air ex-changer or the cooling system, empty the raw water fromthe intake circuit. This operation must be carried out in thefollowing way:

- shut off the sea intake valve [fig. 5, ref. 2]; - open the discharge valve [fig. 3, ref. 3] so that the water

drains out completely;- close the discharge valve again.

Open the sea cock before startingup the generator again.

5.8 Replacing the coolant

Replace the cooling liquid inside the closed coolingsystem every year.Connect a piece of 3/4"-1-1/8" rubber tubing [fig. 10, ref.2] to the discharge valve [fig. 10, ref. 1] at the base of theengine [fig. 10, ref. 3]. Open the valve and completelydrain the closed cooling circuit into suitable container.After the circuit has been drained, fill it with new coolant

Do not dump the coolant becauseit is a pollutant, but rather deliver to the appropriatecollection center for disposal.

5.9 Replacing zinc anodes.

To protect the water-air heat exchanger [fig. 9, ref. 3], theengine heat exchanger[fig. 9, ref. 1- 2] and the discharge collector’s heatexchanger [fig. 9, ref. 4] from galvanic currents fivesacrificial zinc anodes have been inserted inside. Theymust be regularly checked for signs of wear and replacedif necessary in order to prevent galvanic currents irrepa-rably corroding the exchanger.Check the zinc at least once a month when the unit is newto check the speed at which it is disolving and take theappropriate action.Change the zinc anodes at least once a year.

5.10 Alternator maintenanceThe alternator used for this model is synchronous, self-excited with electronic voltage control. This alternatormodel does not have a brush collector and does notrequire any special maintenance. The regular checks andmaintenance are limited to the elimination of traces ofhumidity and oxidation that could damage it.

5.11 Battery maintenanceThe starting battery for all models should be 12V, 80 A/h minimum, or a 100 A/h battery for temperatures below32 °F. Before fitting a new battery, it must be subjectedto a complete recharging cycle.

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5.13 Table of scheduled maintenance tasks

OPERATION HOURS

Check engine oil level ....................................... 10Check coolant level ............................................ 10Check for oil leaks .............................................. 20Check for fuel leaks. ........................................... 20Check for liquid leaks ........................................ 20Adjust V-belt tension .........................................100Check battery ................................................... 100Clean fuel filter ................................................ 200Adjust belt tension ........................................... 200* Change engine oil ........................................ 200Check sea water pump impeller .................... 400Check engine revolutions ............................... 400Check wiring. ................................................... 400Replace fuel filter ............................................ 400* Replace oil filter ............................................ 400Check injectors ................................................ 400Check injection timing .................................... 400Adjust clearance of intake/exhaust valve ..... 400Check fuel injection pump .............................. 1000Check level of electrolytein the battery ...................................... every monthClean and deoxidise the metal parts ......... yearlyClean air filter ............................................... yearlyReplace all cooling liquid .......................... yearlyReplace zinc anodes ................................... yearly

* Change the oil for the first time after 50 hours of useand every 400 hours thereafter.

5.14 TroubleshootingThe starter motor works but the engine does not start.- Check that there is fuel in the tank (Fill up tank)- Check that the stop solenoid is in the attraction position.- Bleed air from the supply circuit. (See paragraph 3.2)

The engine overload protection module does notstart when the START button is pressed- Check that the overload cut-out switch [fig. 2, ref. 8] hasnot been tripped. (To reset, press the red button) [fig. 2,ref. 8])- Check the battery cables and terminals and the wiring.(Reconnect).- Check the battery. (Recharge or replace )

The generator switches off during operations.- Check whether a shut down has been triggered and awarning light has come on (Eliminate the cause and tryto start up again).- Check for fuel in the tank (Top up).

The engine is producing a lot of exhaust fumes- Check that the level of oil in the sump is not above theMAX. mark (Top up the level).

Check the level of the electrolyte at least one a monthand, if necessary, top off with distilled water.If the generator in not going to be used for a prolongedperiod, it should be disconnected and stored in a dryplace at a temperature above 50 °F and should becompletely recharged once a month.

If the battery is left completelyunused for long periods it could be permanentlydamaged.

The battery’s positive clamp should be covered withpetroleum jelly to protect it from corrosion and oxidation.

For topping off with sulphuricacid, ready-made solutions must be used.

When topping up the batterieswith water or acid wear protective gloves andgoggles to prevent the acid from accidentally cominginto contact with the skin.If the battery liquid accidentally comes into contactwith the skin wash the affected part thoroughly withsoap and water and consult a physician.

Before recharging the batterycheck the level of electrolyte and top it off if neces-sary with distilled water. This must also be doneafter recharging has taken place.

5.12 Periods of inactivityStart up the generator at least once a month.If the generator is not going to be used for a prolongedperiod, proceed as follows:- Replace the engine oil.- Replace the oil filter cartridge (see paragraph 5.2).- Replace the fuel filter cartridge(see paragraph 5.4).- Remove the injectors, insert 2 cc of engine oil and runthe engine for a few revolutions by manually operating thepulley of the engine shaft.Refit the injectors.- Replace the zinc anodes (see paragraph 5.9)- Draw up the anti-freeze liquid through the raw water inlet.The anti-freeze protects the exchangers from lowtemperatures and lubricates the sea water pump impellerand the metal parts inside the cooling system.- Disconnect the starter battery and store in a dry place(see paragraph 5.11)- Disconnect the exhaust system from the engine manifold.- Clean the raw water filter- Close the sea cock- Drain the raw water from the exhaust.- Clean and lubricate the siphon break, if one has beenfitted.

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- Check that the unit is not overloaded.- Check injector setting. (Consult Assistance Centre)

The engine operates irregularly.- Check the fuel filters. (Replace )- Bleed air from the supply circuit. (See paragraph 3.2)

Alternator voltage is too low.- Correct the voltage on the electronic adjuster- Check engine rpm (1800 rpm without being connectedto electrical equipment)- Voltage regulator does not work (replace).

Starter battery flat.- Check the level of the electrolyte in the battery. (Top up)- Check DC alternator operation.- Check the state of the battery

Any type of operation that isnot included in this manual must be strictly pro-hibited in the interests of your safety and thesafety of other people.

6. SPECIFICATIONSIS13.5EngineModel: Yanmar 3TNE88Type: Diesel / 4-strokeCylinders: 3Cylinder block material: Cast ironBore: 3.46"Stroke: 3.54"Displacement : 1642ccPower @ 1800 rpm: 21.9hpRPM: 1800Compression ratio: 18:1Combustion system: Direct injectionEngine head material: Cast ironSpeed governor: Centrifugal mechanicalLubrication system: ForcedOil sump capacity with filter: 5.1 qt.Engine stop system: Fuel solenoidFuel pump: ElectricFuel pump discharge: 2.3'Fuel consump. @ full load: 1.16gal/hrAir combustion requirement: 45cfmStarting battery: 80 Ah - 12VBattery charger: 15 Ah - 12VMax. inclination: 30°Water pump flow: 8.8gal/min

IS13.5Generator Ratings (@77o F)Type: Synchronous, 4-poles, self-excitedCooling: Air/water (Intercooler water/air)Voltage: 120 - 240VNominal current: 112.5 - 56.2AFrequency: 60HzMax. power: 13.5 kWContinuous power: 12.3 kWBattery charging output: 10A - 12VPower factor (cos ø): 1Insulating class: HVoltage stability: ±2%Frequency stability: ±2.5%

IS18.5EngineModel: Yanmar 4TNE88AType: Diesel / 4-strokeCylinders: 4Cylinder block material: Cast ironBore: 3.46"Stroke: 3.5"Displacement : 2190ccPower @ 1800rpm: 29.0hpRPM: 1800Compression ratio: 18:1Combustion system: Direct injectionEngine head material: Cast ironSpeed governor: Centrifugal mechanicalLubrication system: ForcedOil sump capacity with filter: 6.1 qt.Engine stop system: Fuel solenoidFuel pump: ElectricFuel pump discharge: 2.6'Fuel consump. @ full load: 1.58gal/hrAir combustion requirement: 63.5cfmStarting battery: 80Ah - 12VBattery charger: 15Ah - 12VMax. inclination: 30°Water pump flow: 8.8gal/min

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References for the wiring diagram (fig. 11)

1 Circuit breaker2 Hour meter3 Terminal clamp4 Rotor5 Stator6 Electronic voltage adjuster7 Battery8 Starter motor9 Stop solinoid10 Battery charger DC alternator11 Pressure switch12 High water temperature switch13 High cooling liquid temperature switch14 Oil pressure sensor15 Cooling water temperature sensor16 Connector17 Battery charger current circuit breaker18 Low voltage system circuit breaker19 Engine overload protection module20 Remote control panel connection21 Start and stop button

6.1 References for wiring diagrams

IS18.5Generator Ratings (@77o F)Type: Synchronous, 4-poles, self-excitedCooling: Air/water (Intercooler water/air)Voltage: 120 - 240VNominal current: 153 - 76.6AFrequency: 60HzMax. power: 18.4kWContinuous power: 16.7kWBattery charging output: 10A - 12VPower factor (cos ø): 1Insulating class: HVoltage stability: ±2%Frequency stability: ±2.5%

IS23EngineModel: Yanmar 4TNE94Type: Diesel / 4-strokeCylinders: 4Cylinder block material: Cast ironBore: 3.70"Stroke: 3.94"Displacement : 2776ccPower @ 1800rpm: 46.4hpRPM: 1800Compression ratio: 18:1Combustion system: Direct injectionEngine head material: Cast ironSpeed governor: Centrifugal mechanicalLubrication system: ForcedOil sump capacity with filter: 10.78 qt.Engine stop system: Fuel solenoidFuel pump: ElectricFuel pump discharge: 2.6'Fuel consump. @ full load: 1.98gal/hrAir combustion requirment: 79cfmStarting battery: 80Ah - 12VBattery charger: 15Ah - 12VMax. inclination: 30°Starter: 2.3kW - 12V

IS23Generator Ratings (@77o F)Type: Synchronous, 4-poles, self-excitedCooling: Air/water (Intercooler water/air)Voltage: 120 - 240VNominal current: 191.6 - 95.8AFrequency: 60HzMax. power: 23kWContinuous power: 21kWBattery charging output: 10A - 12VPower factor (cos ø): 1Insulating class: HVoltage stability: ±2%Frequency stability: ±2.5%

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References for the wiring diagram (fig. 15)gen-set wirh insulated poles

1 Circuit breaker2 Hour meter3 Terminal clamp4 Rotor5 Stator6 Electronic voltage adjuster7 Battery8 Starter motor9 Stop solenoid10 Battery charger DC alternator11 Pressure switch12 High water temperature switch13 High cooling liquid temperature switch14 Oil pressure sensor15 Cooling water temperature sensor16 Connector17 Relay18 Low voltage system circuit breaker19 Engine overload protection module20 Remote control panel connection21 Start and stop button22 Relay23 Relay

References for the wiring diagram (fig. 14)

1 Circuit breaker2 Hour meter3 Terminal clamp4 Rotor5 Stator6 Electronic voltage adjuster7 Starting relay8 Battery charger supplying relay9 Starter10 Battery11 Negative pole12 Stop solenoid13 Battery charger14 Pressure switch15 High water temperature switch16 High cooling liquid temperature switch17 Connector18 Battery charger current circuit breaker19 Low voltage system circuit breaker20 Remote control panel connection21 Engine overload protection module22 Start and stop button23 Terminal board

References for the wiring diagram (fig. 12)

1 Circuit breaker2 Hour meter3 Terminal clamp4 Rotor5 Stator6 Electronic voltage adjuster7 Battery8 Starter motor9 Stop electromagnet10 Battery charger DC alternator11 Pressure switch12 High water temperature switch13 High cooling liquid temperature switch14 Oil pressure sensor15 Cooling water temperature sensor16 Connector17 Battery charger current circuit breaker18 Low voltage system circuit breaker19 Engine overload protection module20 Remote control panel connection21 Start and stop button

References for the wiring diagram (fig. 13)

1 Circuit breaker2 Hour meter3 Terminal clamp4 Rotor5 Stator6 Electronic voltage adjuster7 Battery8 Starter motor9 Stop solenoid10 Battery charger DC alternator11 Pressure switch12 High water temperature switch13 High cooling liquid temperature switch14 Oil pressure sensor15 Cooling water temperature sensor16 Connector17 Battery charger current circuit breaker18 Low voltage system circuit breaker19 Engine overload protection module20 Remote control panel connection21 Start and stop button22 Terminal board

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