DUROMAX DUAL FUEL XP4500IH User Manual
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DUROMAX DUAL FUEL XP4500IH User Manual

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XP4500IH INVERTER GENERATOR
User Manual
REV: XP4500iH-06012021
5800 Ontario Mills Pkwy
Ontario, CA 91764 USA
This manual provides information regarding the operation
www.DuroMaxpower.com
and maintenance of these products. We have made every
effort to ensure the accuracy of the information in this
Call our Customer Care Team Toll Free 8-5pm PST Mon-Fri
manual. We reserve the right to change this product at
844-DuroMax
any time without prior notice.

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Summary of Contents for DUROMAX DUAL FUEL XP4500IH

  • Page 1 We have made every effort to ensure the accuracy of the information in this Call our Customer Care Team Toll Free 8-5pm PST Mon-Fri manual. We reserve the right to change this product at 844-DuroMax any time without prior notice.

  • Page 3: Table Of Contents

    CONTENTS Introduction Introduction ........................6 General Safety Procedures ................... 8 Quick Start Guide (Gasoline) ..................14 Quick Start Guide (Propane) ..................16 Generator Components ....................18 Package Contents ......................20 Generator Setup Connect the Battery ...................... 22 Adding Oil ........................23 Adding Gasoline ......................
  • Page 4 CONTENTS Maintenance and Care Maintenance Schedule ....................46 Maintenance Log ......................47 Checking the Oil ......................48 Changing the Oil ......................49 Cleaning the Air Filter ....................50 Spark Plug Maintenance ....................52 Storage and Transportation ..................54 Specifications ........................55 Troubleshooting Basic Troubleshooting ....................
  • Page 6 DuroMax The DuroMax Way is more than just a brand, it is our understanding and appreciation of just how important power can be to someone without it… DuroMax FOR HOME DuroMax FOR WORK DuroMax FOR PLAY Electricity in our home not...

  • Page 7: Introduction

    INTRODUCTION DuroMax Power Equipment is headquartered in Ontario, California and is the industry’s leader in Dual Fuel portable generator technology. In addition to a full assortment of portable generators ranging from digital inverters to large 15,000-watt portable standby units, their product line includes pressure washers, engines, pumps, and accessories.

  • Page 8: General Safety Procedures

    GENERAL SAFETY PROCEDURES SAFETY ALERT SYMBOL The safety alert symbol is used with one of the safety words (DANGER, CAUTION, or WARNING) to alert you of hazards. Please pay attention to these hazard notices both in this manual and on the generator. Please familiarize yourself with the following safety symbols and words: ●...
  • Page 9 WARNING: This generator may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death. A nearby open flame can lead to an explosion even if not directly in contact with gasoline. ● Do not operate near an open flame. ●...
  • Page 10 UNIT AND PURCHASE INFORMATION Serial Number Serial Number The serial number is located on the engine block, above and to the left of the oil fill. Serial number format The serial number will be shown in two parts. The engine model, followed by the serial number.
  • Page 11 As the only safe way to use a portable generator, taking your generator outside is absolutely mandatory to keep your family safe from carbon monoxide. But there’s even more you can do. By educating yourself about all carbon monoxide risks, you’ll be better prepared to protect your family from this colorless, odorless threat.
  • Page 12 “the silent killer.” CO Alert Description The DuroMax CO Alert system was created to protect our customers and their families from dangerous carbon monoxide. Just like the detector for your home the CO Alert tests the air for to keep you safe and healthy.
  • Page 13 QUICK START The Quick Start of your generator is the minimum necessary setup that will get you going as soon as possible.

  • Page 14: Quick Start Guide (Gasoline)

    QUICK START GUIDE (GASOLINE) Add oil Add oil The oil fill cap is located on the lower engine block to the The oil fill cap is located on the lower engine block to the right of the recoil start housing. Remove the oil fill cap and right of the recoil start housing.
  • Page 15 Turn Low Idle off Turn low idle off The Low Idle is located on the left side of the front power The low idle is located on the left side of the front power panel, next to the breaker. Flip the switch down to disable panel, next to the breaker.

  • Page 16: Quick Start Guide (Propane)

    QUICK START GUIDE (PROPANE) Add oil Add oil The oil fill cap is located on the lower engine block to the The oil fill cap is located on the lower engine block to the right of the recoil start housing. Remove the oil fill cap and right of the recoil start housing.
  • Page 17 Turn Low Idle off Turn low idle off The Low Idle is located on the left side of the front power The low idle is located on the left side of the front power panel, next to the breaker. Flip the switch down to disable panel, next to the breaker.

  • Page 18: Generator Components

    GENERATOR COMPONENTS 4. Fuel Tank 3. Handle 5. Fuel Panel 2. Recoil Handle 6. Wheels 1. Oil Compartment 1. Oil Compartment - Allows access to fill or drain the oil from the crankcase. 2. Recoil Handle - Allows you to pull start the generator. 3.
  • Page 19 8. Circuit Breaker 10. 120v GFCI 9. Battery Tender 16. Start 7. Multimeter 17. CO Sensor Up Switch 13. USB Outlets 11. 120v 30A RV Receptacle 15. Start Button 12. Parallel Ports 14. Low Idle 12. Parallel Ports – Allow you to combine the output of two generators for maximum power. 13.

  • Page 20: Package Contents

    PACKAGE CONTENTS Your generator comes with the items listed below. Please check to see that all of the following items are included with your generator. Double Sided Spanner Spark Plug Wrench Screw Driver Phillips and slot blade Assorted wrenches used in Used in spark plug screwdriver used for generator generator maintenance and...

  • Page 21: Generator Setup

    GENERATOR SETUP Proper setup of your generator will get you going as soon as possible while making sure you and your equipment are safe and cared for.

  • Page 22: Connect The Battery

    GENERATOR SETUP (CONTINUED) Step 1 - Connect the Battery Remove the battery cover Remove the battery cover plate by removing the screw. Connect the negative cable Push the black rubber boot up the wire to expose the connector. Securely connect the free end of the battery cable to the negative battery terminal using the screw and nut from the battery with the screwdriver and wrench from the toolkit.

  • Page 23: Adding Oil

    Step 2 - Adding Oil The generator requires engine oil to operate properly. The generator, when new from the package, contains no oil in the crankcase . You must add the proper amount of oil before operating the generator for the first time. This amount is equal to the oil capacity of the engine crankcase: Model Number XP4500iH Engine Oil Capacity...

  • Page 24: Adding Gasoline

    GENERATOR SETUP (CONTINUED) Step 3 - Adding Gasoline (Optional) Add Gasoline Make sure the generator is on a level surface. Unscrew gas cap and set aside (NOTE: the gas cap may be tight and hard to unscrew). Slowly add unleaded gasoline to the fuel tank. Be careful not to overfill.

  • Page 25: Grounding The Generator

    Step 4 - Grounding the Generator Attach grounding wire Ground the generator by tightening the grounding nut against a grounding wire. Connect the other end to a copper or brass grounding rod that’s driven into the earth. A generally acceptable grounding wire is a No. 12 AWG (American Wire Gauge) stranded copper wire.

  • Page 27: Starting The Generator

    STARTING THE GENERATOR If this is not your first time using the generator there are still steps you should take to prepare it for operation each time you use it. IMPORTANT: At this point, you should be familiar with the procedures described in the first portion of this section entitled “GENERATOR SETUP”...

  • Page 28: Checking The Oil

    BEFORE YOU START YOUR GENERATOR Step 1 - Check the oil Check the oil The generator is equipped with an automatic shutoff to protect it from damage due to low oil. Nonetheless, you should check the oil level of the engine before each use to ensure that the engine crankcase has a sufficient amount.

  • Page 29: Check The Gas Level

    Step 2 - Check the gas level (Optional) Check fuel level If running the engine on gasoline check to see that there is sufficient gasoline in the fuel tank. The fuel gauge on top of the tank will give a rough estimate of the gasoline level. The gauge will appear white then fill red as the tank is filled.

  • Page 30: Starting The Generator Using Gasoline

    STARTING THE GENERATOR Starting the Generator Using Gasoline Select gasoline fuel The fuel selector is located on the right side of the generator. Flip the switch up to select gasoline as a fuel source. Turn gas valve on The gas valve is located the right hand side of the generator.. Rotate the valve counterclockwise to the fuel on (run) position to turn on the gasoline supply.
  • Page 31 Turn start switch on The start switch is located on the left side of the front power panel next to the low idle. Press the switch up to the start position to allow the generator to start. Press the start button The start button is located on the left side of the power panel.

  • Page 32: Starting The Generator Using Propane

    STARTING THE GENERATOR (CONTINUED) Starting the Generator Using Propane Connect propane hose The LPG inlet is located on the right hand side of the generator. Connect the propane hose to both the inlet and the propane tank. Open the propane tank. Select LPG fuel The fuel selector is located on the right side of the generator.
  • Page 33 Turn Low Idle off The Low Idle is located on the left side of the front power panel, next to the fuel selection switch. Flip the switch down to disable low idle when starting the generator. Turn start switch on The start switch is located on the left side of the front power panel next to the low idle.
  • Page 34 STARTING THE GENERATOR (CONTINUED) Starting the Generator Using Propane WARNING: WHEN USING THE GENERATOR WITH LPG, MAKE SURE THERE IS NO POSSIBLE IGNITION SOURCE CLOSE TO THE GENERATOR. 1. Before using, make sure all of the LPG connectors and hoses are well connected and sealed.

  • Page 36: Starting The Generator Using Remote Start

    STARTING THE GENERATOR (CONTINUED) Starting the Generator Using Remote Start Select fuel The fuel selector is located on the right side of the generator. Flip the switch down to select LPG as a fuel source or up to select gasoline. Turn gas valve off/on The gas valve is located the right hand side of the generator..
  • Page 37 Turn start switch on The start switch is located on the left side of the front power panel next to the low idle. Press the switch up to the start position to allow the generator to start. Push the start button The remote start has two buttons, start and stop.

  • Page 39: Using The Generator

    USING THE GENERATOR If this is not your first time using the generator, there are still steps you should take to prepare it for operation each time you use it. IMPORTANT: At this point, you should be familiar with the procedures described in the first portion of this section entitled “GENERATOR SETUP”;...

  • Page 40: Ac Usage

    USING THE GENERATOR AC Usage ● You may connect electrical devices running on AC current according to their wattage requirements. ● The chart below shows the rated and surge wattage of your generator according to its model number. ● The rated wattage corresponds to the maximum wattage the generator can output on a continuous basis.
  • Page 41 Tool or Appliance Rated (Running) Watts Additional Surge Watts Electric water heater (40 gal) 4000 Hot plate 2500 Radial arm saw 2000 2000 Electric Stove 1500 Circular Saw 1500 1500 Air compressor (1 HP) 1500 3000 Window air conditioner 1200 1800 Miter saw 1200...

  • Page 42: Connecting A Load To The Generator

    USING THE GENERATOR (CONTINUED) Connecting a load to the generator NOTE: Be sure to attach devices to the correct receptacle (outlet). 120v devices can be directly connected to the 120v ONLY receptacles. ● CAUTION: Do not connect 50Hz or 3-phase loads to the generator. Plug in devices Plug in devices to the appropriate receptacle.
  • Page 43 Choosing the right power cord Long or thin cords can drain the power provided to an electrical device by the generator. When using such cords, allow for a slightly higher rated wattage requirement for the electrical device. See table below for recommended cords based on the power requirement of the electrical device. DEVICE REQUIREMENTS WIRE GAUGE BY LENGTH (ft.) AMPS...

  • Page 45: Maintenance And Care

    MAINTENANCE AND CARE Proper maintenance and storage of your generator are essential to ensure trouble-free use of your generator when you need it. By following the maintenance and care requirements, you can keep your generator running smoothly and efficiently for years to come.

  • Page 46: Maintenance Schedule

    MAINTENANCE AND CARE Proper routine maintenance of your generator is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. WARNING: Improper maintenance, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously injured or killed. Always follow the inspection, maintenance recommendations, and schedules in this instruction manual.

  • Page 47: Maintenance Log

    MAINTENANCE LOG Date Generator Hours Maintenance Performed...

  • Page 48: Checking The Oil

    MAINTENANCE AND CARE (CONTINUED) Checking the oil Check the oil The generator is equipped with an automatic shutoff to protect it from damage due to low oil. Nonetheless, you should check the oil level of the engine before each use to ensure that the engine crankcase has a sufficient amount.

  • Page 49: Changing The Oil

    Changing the oil Worn out or dirty oil does not cool the generator properly and can lead to catastrophic engine damage. In addition to regular oil changes, it is necessary to drain the oil from the crankcase if it has become contaminated with water or dirt.

  • Page 50: Cleaning The Air Filter

    MAINTENANCE AND CARE (CONTINUED) Cleaning the air filter Routine maintenance of the air cleaner helps maintain proper airflow to the carburetor. Check that the air cleaner is free of excessive dirt after every use. Note: Improper maintenance may cause less air to enter the engine or dirty air to enter the engine causing overheating and engine wear.
  • Page 51 Dry cleaner element Pat dry on a dry cloth and allow the elements to dry completely. Add engine oil to elements Soak the dry elements in a small amount of engine oil. Ring out any excess oil. Replace elements in casing Replace the sponge-like elements in the air cleaner casing and replace the cover.

  • Page 52: Spark Plug Maintenance

    MAINTENANCE AND CARE (CONTINUED) Spark Plug Maintenance The spark plug is important for proper engine operation. A good spark plug should be intact, free of deposits, and properly gapped. SPARK PLUG CONSULT MANUAL Improper maintenance may cause reduced fuel economy, BEFORE REMOVING misfires, trouble starting, or damage to the spark plug threads.
  • Page 53 Measure plug gap Measure the plug gap with a gauge. The gap should be 0.7-0.8 mm (0.028-0.031 in). Clean and re-gap If you are re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base and then re-gap the spark plug.

  • Page 54: Storage And Transportation

    MAINTENANCE AND CARE (CONTINUED) Storage and Transportation CAUTION: Never place any type of storage cover on the generator while it is still hot. When transporting your generator: ● Disconnect the spark plug. ● Do not obstruct any ventilation openings & keep the generator in a cool dry area. Storage Period Storage Preparation Turn off the main breaker.

  • Page 55: Specifications

    SPECIFICATIONS AC Rated Wattage (Gasoline) 3600W AC Rated Wattage (Propane) 3240W AC Surge Wattage (Gasoline) 4500W AC Surge Wattage (Propane) 4050W AC Rated Voltage 120V AC Rated Frequency 60 Hz AC Phase Single DC Voltage DC Amperage 3.1A Engine Type 4-Stroke OHV Forced-Air Ignition System Non-Contact Transistor...

  • Page 57: Troubleshooting

    TROUBLESHOOTING This section of the manual is to help you troubleshoot problems with your generator.

  • Page 58: Basic Troubleshooting

    TROUBLESHOOTING Mode Description Battery not charged. Charge battery. Engine switch is in the OFF po- Turn engine switch to the ON sition. position. Stale gasoline or water in gaso- Drain entire system and refill line. with fresh fuel. Engine is out of fuel Add fuel Engine will not start Fuel is old or contaminated...

  • Page 60: Warranty

    OEM parts. Warranty Limitations DuroMax Power Equipment does not claim or hold any obligation to loss of time, freight charges, use of the product, or any incidental damages from the use of this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED.
  • Page 61 Equipment cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the small off-road engine owner, you should, however, be aware that DuroMax Power Equipment may deny you warranty coverage if your small off-road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
  • Page 62 If the part fails prior to the first scheduled replacement, the part must be repaired or replaced by DuroMax Power Equipment according to Subsection (4) below. Any such part repaired or replaced under warranty must be warranted for the remainder of the period prior to the first scheduled replacement point for the part.
  • Page 63 (iii) Distribution manifold. (6) Catalyst or Thermal Reactor System (i) Catalytic converter. (ii) Thermal reactor. (iii) Exhaust manifold. DuroMax Power Equipment will furnish with each new engine written instructions for the maintenance and use of the engine by the owner...

  • Page 64: Contact Information

    CUSTOMER SERVICE DuroMax Power Equipment is committed to ensuring that our products perform when they need to. Our generators are your lifeline in the event of an emergency. Should you have any problems, please contact our customer service department: DuroMax POWER EQUIPMENT...
  • Page 66 5800 Ontario Mills Parkway Ontario, CA 91764 United States 844-DuroMax REV: XP4500iH-06012021...

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