Generator Operator’s Manual
TABLE OF CONTENTS ABOUT YOUR GENERATOR GENERAL SAFETY RULES GENERATOR SET UP AND OPERATION GUIDELINES CONTROLS FUNCTIONS, AND FEATURES AND DIAGRAMS PRE-OPERATINGCHECKS STARTINGTHEENGINE STOPPING THE ENGINE TROUBLESHOOTING AND SPECIFICATIONS MAINTENANCE STORAGE WIRING DIAGRAM LABELS WARRANTY INFORMATION 1–5 6 - 11 12 - 20 21 - 25 26 - 29 30 - 33 34 - 35 36 - 42 43 - 49 50 - 54 55 56 57 – 64
ABOUT YOUR GENERATOR Thank you for purchasing a MAXWATT generator (hereina er referred to as “the generator”). This generator is suitable for use on various trade worksites, recrea onal such as camping and for use as backup power whether residen l or commercial. With built-in Pure Sine Wave technology (THD<5%), its perfect for powering tools, domes c appliances as well as sensi ve electronics.
HAZARD SIGNAL WORD DEFINITIONS For any queries on the above, please contact Gentech Industries, the official service agent for all MAXWATT generators and water pumps. The range of MAXWATT generators is safe and reliable, but incorrect usage of these products may cause personal injury and damage to the machine. In order to operate the generator safely, strictly adhere to the operator’s manual and please read it through carefully and thoroughly before using the generator.
the symbols relevant to the model purchased. Check that the symbols and signs affixed to the unit are always present and legible, otherwise fit replacements in the original positions. GENERAL WARNINGS & DISCLAIMER READ and UNDERSTAND this manual completely before using the engine. Failure to properly set up, operate and maintain this engine could result in serious injury or death from carbon monoxide poisoning, electric shock, fire/explosions or burns.
FIRE/EXPLOSION DO NOT overload the engine (per rate capacity) and OPERATE ONLY in an area with adequate cooling ventilation so the engine does not overheat. The exhaust can be extremely hot. Keep the muffler at least 3 meters from all combustible objects. All fuels are flammable. Never fuel a running or hot engine. Never pump fuel directly into the engine at a petrol station – use an approved container to transfer the fuel. Ensure that there are no fuel leaks and keep sources of sparks and flames away.
GENERAL SAFETY RULES FOR OPERATION Save all warnings and instructions for future reference. This equipment is to be used for the purpose for which it is designed and intended. Seek assistance if required when moving or lifting the generator. WORK AREA SAFETY Intended for outdoor use only. DO NOT operate in confined spaces or indoors as carbon monoxide released from the exhaust can kill. DO NOT operate in explosive atmospheres such as in the presence of flammable liquids, gases or dust.
Dress properly. DO NOT wear loose clothing, gloves, neckties or jewelry. Keep your hair and clothing away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts. DO NOT let familiarity gained from frequent use of the generator allow you to become complacent and ignore safety principles and rules. A careless action can cause severe injury within a fraction of a second.
NEVER attempt to modify the generator speed setting. The generator speed is present for safe and optimal performance of the generator. If speed needs adjusting, it must be done by factory personnel. NEVER attempt to connect external fuel sources in order to increase generator run time. A larger tank at pressure or higher elevation will cause a leak from the carburetor during operation. A fire or an explosion could result.
while standing in water, while barefoot, while hands are wet or while in the rain or snow. An electric shock may result. Avoid contact with bare wires, terminals, connections, etc. while the generator is running. If an electric shock accident occurs, immediately shut down the source of electrical power. If this is not possible, attempt to free the victim from the live conductor. Avoid direct contact with the victim.
fueling process, resulting in serious burns to nearby persons. Many objects can accumulate and retain a static electric charge. Objects made of non-conductive materials (eg. plastics) easily accumulate and retain static electrical charge, as can objects made of conductive material (eg. metal, water) if they are not electrically grounded.
amount of gas pumped into the container, the speed with which it is pumped, and whether or not the tank/ container is grounded. If sufficient static electric charge accumulates in the fuel tank or container during the fueling process, the tank/container may discharge a spark to the grounded petrol dispenser nozzle. A person dispensing the petrol can carry a static electric charge on their body, typically resulting from contact with their car seat or electronics.
GENERATOR SET UP PLANNING THE POWER LOAD Plan your power load so that you do not exceed the generator’s rate capacity. To calculate the running and start wattage requirements for the devices you will be powering, follow the steps on page 18. SET UP THE PORTABLE POWER SOURCE This generator is designed to provide up to its maximum power (in watts) of electrical power.
Note: Regardless of whether you use your generator as a back-up power source connected to a building or as a portable power source, you MUST NOT overload the generator. Overloading may cause serious damage to the generator and attached electrical devices.
If a licensed electrician installs the generator with a connection to your building’s electrical circuit for use as a back-up power system, grounding may alternatively be completed through the building’s grounding system. Ask your electrician. If the generator is not grounded through your building’s system, follow the procedure below. This procedure can only be carried out by a licensed electrician. 1. Drive a ¾” or 1” copper pipe or rod into the Ground close to the generator.
The electrical continuity of the “earthing” core should be checked periodically from pin to socket to ensure continued electrical safety. SELECT A SUITABLE SITE Before using the generator, you must select a suitable OUTDOOR location for installation and operation that meets the following criteria: DRY, LEVEL SURFACE The generator should be positioned on a dry, firm and level surface. Ensure that the generator sits level and will not slide or shift during operation.
Never run the generator inside any closed or semi-enclosed spaces (even if outdoors), including homes, garages, basements, sheds or boxes. These spaces can trap poisonous gases, even if you run a fan or open windows. Ensure that working, battery-operated or battery back-up carbon monoxide alarms are used in any dwelling/structure that is in close proximity to the running operator. Note: This generator is NOT designed or approved for use in vehicles or marine applications.
Keep a fire extinguisher rated “ABC” nearby. Keep it properly charged and be familiar with its use. NO WET CONDITIONS Choose a location where the generator will NOT be exposed to rain, snow or direct sunlight. Exposure to water can cause an electric shock. You may operate the generator under an outdoor canopy-like structure of heatresistant material that is open on all sides.
Maximum wattage and current area subject to and limited by such factors as fuel BTU content, ambient temperatures, altitude, engine condition etc. Maximum power decreases about 3.5% for each 1000 feet above sea level, and will also decrease about 1% for each -12.2 degrees Celsius above16 degrees Celsius ambient temperature. POWER LOADING MANAGEMENT Your generator MUST be sized properly to provide both the running and starting (surge) wattage of the devices you will be powering.
4. 5. 6. 7. the item that requires the largest load first. Allow the generator to stabilize. Plug in and turn on the next item. Allow the generator to stabilize. Repeat 5 and 6 for each additional item. CONNECTING ELECTRICAL LOADS 1. Let the engine stabilize and warm up for a few minutes after starting. 2.
times the running wattage. Estimates for the running wattage requirements for common devices are listed below. Guidance for starting wattages is provided in the table’s footnotes. To size your generator correctly, you need to use watts – here are some useful calculations: WATTS=VOLTS X AMPS.
CONTROLS AND FEATURES 1 Muffler 5. Control Panel 2. Carrying Handle 6. Fuel Gauge 3. Vented Gas Cap 7. 4. Recoil Starter 8. Exhaust and Spark Arrestor Oil Filler Cap CONTROL PANEL 1. Economy Throttle (black) 7. Parallel Output 2. Low Oil Alarm 8. Multi-switch 3. Overload Alarm 9. Ground Terminal 4. Output Indicator 10. 5V DC USB 5. DC Circuit Breaker 11. AC Output 6.
CONTROL FUNCTIONS Eco Throttle: When the throttle switch is in the ON position, the throttle controls the engine speed according to the connected electrical load. The results are better fuel consumption and less noise. when the switch is in the OFF position, the engine runs at 4.500 rpm regardless of the electrical load. Note: The throttle must be OFF when using electrical devices that require a large starting current, such as a compressor, pump or refrigerator.
When the engine oil falls below the required level, the low oil alarm will come on and the engine will stop automatically. The engine will not restart until oil is added to the unit to bring it up to the appropriate level. TO RESET THE GENERATOR 1. 2. 3. 4. Turn off any connected electric devices and stop the engine. Reduce the total wattage of connected electric devices within the rated output. Use in proper ventilated areas. Maintain at least 3ft of clearance on all sides for adequate cooling.
cases, causing the engine to not start. 12V 8A DC The 12V 8A DC output is for battery recharging. Follow instructions in The owner’s manual for the battery for charging procedures. 8A DC Circuit Breaker The 8A DC circuit breaker turns off automatically if the current exceeds 8A. If the circuit breaker turns OFF, you will need to push it in to turn ON again. Parallel Output Two generators can be connected to increase output.
240V AC Outlet The outlet is used to power 240V single phase 50Hz loads requiring up to 1600W continuous power. 240V AC may be used to supply electrical power when parallel connected. Note: When two generators are connected in parallel for greater wattage loads. GROUND TERMINAL Properly ground generator to prevent electrical shock. Connect the ground terminal of generator to ground electrode buried in the ground.
PRE-OPERATION CHECKS UNPACK THE GENERATOR: Remove the generator from its packaging. Inspect the generator to ensure that no damage has occurred in shipping or handling. If the unit appears to be damaged, DO NOT add fuel or attempt to start the generator. Check to ensure that you received the following items: 1. 2. 3. 4. 5. Generator 12V charging cables Parallel output wire Oil funnel RV adaptor ADDING THE ENGINE OIL The generator has been shipped without engine oil.
Replace oil filler cap and secure side panel with screws. Place the generator on a level surface. DO NOT tilt the generator while adding oil. It can cause you to overfill the oil and/or cause the oil to leak into areas in which it is not intended. Remove the oil filler cap (1) as seen in figure 2. Using the funnel provided, fill with 0.42 quart of SAE 10W-30 or 10W-40, provided (see figure 3). See figure 4 for proper oil level (1).
RECOMMENDED ENGINE OIL Only use 4-stroke automotive oil (API or SE). Alternatively, you can use a higher grade (SG, SH or SJ). SAE 15W-40 is recommended for general all-temperature use. If single viscosity oil is used, select the appropriate viscosity for the average temperature in your area.
ADDING FUEL Do not overfill the tank, otherwise it may overflow when the fuel warms up and expands. 1. 2. 3. 4. 5. 6. 7. 8. Use clean, fresh, regular unleaded fuel with a minimum octane rating of 85. DO NOT mix oil with fuel. Clean area around the fuel cap. Remove the fuel cap. Be sure that the fuel strainer is in place. Slowly add fuel to the tank. DO NOT exceed the red marker position of the fuel filter. Screw on the fuel cap and wipe away any spilled fuel. Note: Use only unleaded gasoline.
STARTING THE ENGINE Operate the engine in a well-ventilated area. DO NOT connect electrical devices to the outlets on the generator before starting the engine. 1. Turn the economy throttle switch OFF. You may turn the economy throttle switch To ON once the engine is started and a Steady idle is achieved (below 0degC {32degF}/5 mins, below 5degC{41degF}/3 mins) 2. While holding the fuel tank cap so that it will not move, turn the air vent know to ON. 3. Turn the multi-switch to the START position. 4.
ENGINE SPEED Engine speed has been factory set to provide safe operation. Tampering with the engine speed adjustment could result in the overheating of attachments and could cause a fire. CONNECTING LOADS You will want to be careful when connecting loads so as to not overload the generator, especially if you are powering devices with motors that require a higher starting power load. Instructions are provided below for connecting loads when you are using the generator as a portable power source.
12V DC CONNECTION The generator is fitted with a socket outlet specifically for connection to a lead acid battery for charging. The output voltage is 12V with maximum output current of 8.3A. The generator will charge lead acid batteries of various sizes from small to large. DO NOT attempt to charge Nicad, Nickel metal hybrid, or lithium type batteries. ONLY use the provided charger cable. Read the following section for details.
To restart charging the battery, turn the DC protector by pressing the button to ON. Refer to the owner’s manual for the battery to determine charging times. DC OVERLOAD CUT OUT The DC circuit has a circuit breaker to protect the generator from overloading. If the circuit breaker trips, unplug all electrical apparatus from the generator. Let the overload cut out switch cool down and remove the load from the DC circuit. Press the DC reset button.
STOPPING THE ENGINE Stopping the engine whilst in the “generator” function: Disconnect the load from the AC receptacle Turn the engine switch to the “OFF” position Turn the fuel cock off Before stopping the engine, turn off and disconnect electronic devices attached to the generator. 1. Turn the multi-switch to the OFF position. 2. While holding the fuel tank cap so that it will not move, turn the air vent knob to OFF.
Carbon build up in the motor can be reduced by operating the generator at approximately 75% of rated load for 25% of the time the generator is used. For instance, if the generator is used for 4 hours on low wattage, run the generator for 1 hour at around 75% of rating. If the generator is being used for solely charging a battery, its recommended to run the 240V at around 500W for the generators up to 2000W if the charging cycle will be run for many hours.
TROUBLESHOOTING AND SPECIFICATIONS GENERATOR TROUBLE SHOOTING GUIDE First check below common start up issues: Does the unit have fuel in it? Is the engine oil filled up to the threads? Have you change / cleaned the spark plug? If the above checklist has been conducted, please refer to the points below: PROBLEM POSSIBLE CAUSE SUGGESTED CORRECTION Low on fuel or oil content Add fuel or oil Engine On/OFF switch is "OFF position Turn the engine switch to ON position Faulty spark plug Replace or clean spark plug
Troubleshooting Diagram 36
If the engine will not start: Open the fuel cap to check if the engine has sufficient fuel. Open the oil cap dispenser and check if the machine has sufficient oil. Remove the spark plug and turn the engine switch to the “ON” position to start the engine. Check to see if there is spark coming from the spark plug. Replace the spark plug if necessary. If the engine will still not start then contact Gentech Industries for technical assistance. The details are on the back page of this operator’s manual.
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Start 2 sets of inverter generators. The starting operation is as the same as normal process (refer on manual book starting parts). Note: Please make sure the parallel connection wires have been put into the parallel connection sockets properly. If not connected properly, starting the inverter generator could cause damage. The load plugs can now be plugged into socket 6.
Warning Only 2 sets of the same brand of inverter generators can be parallel connected. Only use the same brand parallel connecting wire. Make sure to connect the correct parallel wire into the correct socket. Connect the parallel wires when the generator is off. Parallel wires are not necessary when only one generator is being used. Read the manual carefully before operation.
MAINTENANCE For all your service, maintenance and warranty queries, please contact Gentech Industries. Please refer to the back page for all contact details. DAILY INSPECTION: Before starting the generator, please check the following service items. These basic inspections can be carried out by a “layman”. 1. 2. 3. 4. 5. Sufficient fuel. Excessive Vibration. Sufficient clean engine oil. Leaking fuel or oil. Safe surroundings.
The spark plug gap should be measured with a wire Thickness gauge and, if necessary, adjusted to specification. Install spark plug, spark plug cap, cover and screws. ENGINE OIL REPLACEMENT Initial replacement of the engine oil is after one month or 20 hours of operation. Place the generator on a level surface and warm up the engine for several minutes. Then stop the engine and turn the fuel petcock knob to OFF and the fuel tank cap air vent knob to OFF.
Add engine oil to the upper level As seen in the diagram (1). Recommended engine oil: YAMALUBE 4 (10W-40), SAE 10w-30 OR 10W-40 SAE#30 SAE#20 SAE10w Recommended engine oil grade API Service SE type or higher. Engine oil quantity: 0.4L Install oil filler cap, cover and screws. AIR FILTER MAINTENANCE Should be performed every 6 months or 100 hrs. The air filer may need to be cleaned more frequently when using in unusually wet or dusty areas.
Insert the foam element into the air filter case. Be sure the foam Element Sealing surface matches the air filter so that there is no air leak. NOTE: Never operate the engine without foam element. Install air filter case cover, cover and screws. MUFFLER SCREEN AND SPARK ARRESTOR MAINTENANCE Should be performed every 6 months or 100 hours. The air filter may need to be cleaned more frequently when using in unusually wet or dusty areas. Remove the screws (1) and then remove the cover (2).
FUEL FILTER MAINTENANCE Should be performed every 12 months or 300 hrs. 1. 2. 3. 4. 5. Remove the fuel tank cap and filter (1). Clean the filter with gasoline. If damaged, replace it. Wipe the filter and install it. Install the fuel tank cap. WARNING: Gasoline is flammable. DO NOT perform this maintenance while smoking or near an open flame. Normal maintenance such as spark plugs, battery, air filters, adjustments, fuel system, cleaning and obstruction due to build up, is not covered by the warranty.
MAINTENANCE TABLE PERIODIC MAINTENANCE ITEM REMARKS PRE-OPERATION CHECK (DAILY) SPARKPLUG Check condition, adjust gap and clean. Replace if necessary Check Oil Level * Replace Clean * FUEL FILTER FUEL INLINE EXHAUST SYTEM INITIAL 3 INITIAL 6 MONTHS MONTHS OR 50 OR 100 HRS * ENGINE OIL AIR FILTER INITIAL 1 MONTH OR 20 HRS * INITIAL 12 MONTHS OR 300 * * * * Replace Clean fuel drain filter. * Relace if necessary Check fuel hose for crack or * damage.
MAINTENANCE LOG MAINTENANCE LOG Your Maxwatt generator is protected by a 2 year limited warranty (3 month on battery) that covers the product for normal use. The warranty statement is found on the back of this manual. You must understand that negligence or misuse is not covered in the warranty and failure to properly maintain and service the engine, can void your warranty.
STORAGE When you are finished using the generator, you must: Disconnect all loads Shut off fuel supply Disconnect spark plug and battery Store the generator properly Plan on operating the engine regularly unless the generator is prepared for long term storage. DISCONNECT LOADS AND TURN OFF THE FUEL SUPPLY When you are finished using the generator, disconnect all loads and turn off fuel supply. Make sure all devices that were connected to the generator’s outlets have been disconnected.
PREVENT ACCIDENTAL STARTING- SPARK PLUG Remove spark plug(s) in order to ensure the generator cannot be started accidentally in a storage location or by untrained persons. PREVENT ACCIDENTAL STARTING- BATTERY To prevent accidental starting, disconnect the battery before storage. 1. 2. Disconnect negative (-) battery terminal first. Disconnect positive (+) battery terminal last. OPERATE THE ENGINE REGULARLY The generator should be operated regularly to maintain the condition of internal parts.
Before storing the generator for an extended period of time, please ensure that the area of storage is free from excessive dust and humidity. Please follow the table below: Long term storage of your generator will require some preventative procedures to guard against deterioration. 1. Drain the fuel Remove the fuel tank cap. Extract the Fuel tank into an approved gasoline container using a commercially available hand siphon. Then install the fuel tank cap.
4. Remove the dipstick and drain the engine oil. Then tighten the dipstick. 6. Install the cover and tighten the screws. 7. Turn the fuel tank cap air vent knob to OFF. 8. Store the generator in a dry, well ventilated place, with the cover placed over it. Engine Perform the following steps to protect the cylinder, piston ring, etc from corrosion: Remove the spark plug, pour about one tablespoon of SAE 10W-30 or 20W-40 motor oil into the spark plug hole and reinstall the spark plug.
A battery may lose some charge when not in use for prolonged periods of time. If the battery is unable to crank the engine, plug in the 12V charger supplied. See Charging a Battery section for more details. If oil was inserted into the cylinder prior to storage, the exhaust may smoke for a short while after starting the generator. This is normal and will cease within a minute or so of running time.
WIRING DIAGRAM 53
LABELS 1600 2000 MX2000iS 1600 2000 MX2000iS Close air vent on fuel Cap
WARRANTY INFORMATION 2 YEAR TRADE WARRANTY This warranty is provided by Gentech Industries PTY LTD. Express Warranty Subject to the exclusions set out below, we warrant that this product will be free from defects in materials or workmanship for 24 months from the date of purchase. The benefits conferred by this warranty are in addition to all rights and remedies which you may be entitled to under the Australian Consumer Law and any other statutory rights you may have under other applicable laws.
LIMITED WARRANTY POLICY: “This is a “walk in” warranty policy and is limited to the range of generators specified herein”. We recommend that you take the generator to the nearest service agent for assistance. Please visit www.maxwatt.com.au for more information. To qualify for this warranty: “The warranty applies to the first purchaser and each subsequent owner during the applicable warranty time period”.
WARRANTY PROCEDURES: STEP 1 STEP 2 STEP 3 •You must register your purchase/warranty online (visit www.maxwatt.com.au). •Consult the "trouble shooting" guide supplied and follow ALL check points. •Contact GENTECH INDUSTRIES for techincal assistance prior to booking your generator in for repairs.
BELOW IS A LIST OF GENERATORS THAT ARE COVERED UNDER THIS WARRANTY: MODELS WARRANTY PERIOD PRIVATE/RESIDENTIAL WARRANTY PERIOD COMMERCIAL/RENTAL MAXWATT ALL MODELS 24 months or 500 running hours which ever come first 24 months or 300 running hours which ever come first EXCLUSIONS TO THIS LIMITED WARRANTY INCLUDE: Neglect in the periodic maintenance as specified in the owner’s manual.
Fire damage as a result of but not limited to overloading, incorrect installation, incorrect re-fueling and any other causes as set out in the owner’s manual. Damage to any electronic and or electrical appliances connected to the generator.
DISCLAIMER OF CONSEQUENTIAL DAMAGE AND LIMITITATION OF IMPLIED WARRANTIES Gentech Industries PTY LTD disclaims any responsibility for the loss of time or use of the product, transportation, commercial loss or any other incidental or consequential loss or damage. Any implied warranties are limited to the duration of this written limited warranty policy and procedures manual. ONLINE ORDER RETURNS POLICY If you believe an item is faulty, you may have rights to a remedy under the Australian Consumer Law.
on your order confirmation email. They will then arrange for the goods to be collected and a refund or replacement item sent out to you. Alternatively, please take the items to your nearest store where they will be able to help you. NOT AS ADVERTSIED /INCORRECT ITEM If your order arrives and it’s not what you ordered, please contact either the store the order came from or on the online support team at customercare@maxwatt.com.au. FAULTY PRODUCT Please contact the store that fulfilled your order.
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