Wen DF452iX Instruction Manual
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Wen DF452iX Instruction Manual

4500w dual fuel inverter generator
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MODEL DF452iX
4500W DUAL FUEL
INVERTER GENERATOR
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-800-232-1195 (M-F 8AM-5PM CST)
TECHSUPPORT@WENPRODUCTS.COM
IMPORTANT: Your new tool has been engineered and manufactured to WEN's highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use
your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
WENPRODUCTS.COM
For replacement parts and the most up-to-date instruction manuals, visit

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  • Page 1 1-800-232-1195 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

  • Page 2: Table Of Contents

    Wiring Diagram ....................45 Exploded View & Parts List ................46 Warranty Statement ..................57 WENPRODUCTS.COM To purchase accessories for your tool, visit Magnetic Oil Dipstick (Model 55201) WEN Parallel Connection Kit Weatherproof Generator Cover (Model 56310iC) High-Altitude Kit (Part DF400i-HA36 & DF400i-HA68)

  • Page 3: Welcome

    SPECIFICATIONS GENERATOR Rated Wattage Gasoline: 3500 Watts; LPG: 3150 Watts Surge Wattage Gasoline: 4500 Watts; LPG: 4050 Watts AC: 120V Rated Voltage DC: 12V (Cigarette Lighter), 5V (USB) AC: 29.2A (Total), 29.2A (TT-30R), 20A (5-20R) Rated Amperage DC: 10A (Total), 8A (Cigarette Lighter), 1A/2.1A (USB) Phase Single Frequency...

  • Page 4: Introduction

    INTRODUCTION Thanks for purchasing the WEN 4500-Watt Dual-Fuel Inverter Generator. Refer to the illustration below for the loca- tion of the serial number on the side of the engine. Record the generator information in the spaces provided below. If assistance for information or service is required, please contact customer service by calling 1-800-232-1195, M-F 8-5 CST;...

  • Page 5: Safety

    WEN reserves the right to change this product and specifications at any time without prior notice. At WEN, we are continuously improving our products. If you find that your tool does not exactly match this manual, please visit wenproducts.com for the most up-to-date manual or contact customer service at 1-800-232-1195, M-F 8-5 CST.

  • Page 6: Generator Safety Warnings

    GENERATOR SAFETY WARNINGS DANGER! CARBON MONOXIDE Using a generator indoors CAN KILL YOU IN MINUTES. Generator exhaust contains carbon monoxide (CO). This is a poison gas you cannot see or smell. If you can smell the generator exhaust, you are breathing CO. But even if you cannot smell the exhaust, you could be breathing CO.
  • Page 7 GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. OPERATING ENVIRONMENT 3. If any part of the generator, electrical device or pow- er cord is broken, damaged, or defective, make sure 1.
  • Page 8 GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR: We recommend running your generator at least once a month for 20 to 30 minutes.

  • Page 9: Before Operating

    UNPACKING & PACKING LIST UNPACKING With the help of a friend or trustworthy foe, such as one of your in-laws, carefully remove the generator from the packaging and place it on a sturdy, flat surface. Make sure to take out all contents and accessories. Do not discard the packaging until everything is removed.

  • Page 10: Know Your Inverter Generator

    KNOW YOUR INVERTER GENERATOR TOOL PURPOSE Inverter Generators provide you with clean and quiet power, when and where you need it most. Refer to the fol- lowing diagrams to become familiarized with all the parts and controls of your Generator. The components will be referred to later in the manual for assembly and operation instructions.
  • Page 11 12. AC 120V NEMA 5-20R Receptacles 3. Parallel Connection Port 13. Overload Reset Connect two WEN inverter generators through a parallel If the overload light is ON, press this button to reset. connection kit for a higher output. 14. Battery Switch 4.

  • Page 12: Generator Preparation

    GENERATOR PREPARATION REMOVING THE MOUNTING PLATES Your generator is shipped with four mounting plates that secure the engine to the generator housing in order to prevent machine damage during shipping. Make sure to remove the four mounting plates before operating your generator.
  • Page 13 GENERATOR PREPARATION The following section describes the necessary steps to prepare the generator for use. If you are unsure about how to perform any of the steps, please call 1-(800) 232-1195 M-F 8-5 CST for customer service. Failure to perform these steps properly can damage the generator or shorten its life.
  • Page 14 The oil level of the engine should be checked before each Upper Limit start to ensure that the engine crankcase contains suf- ficient lubricant. TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), available Lower Limit for purchase at wenproducts.com. The dipstick’s in- dustrial-strength magnetic tip will collect metal shav- ings from your generator’s oil compartment to help...
  • Page 15 GENERATOR PREPARATION STEP 2 - ADD / CHECK FUEL FUEL OPTION A: GASOLINE WARNING! RISK OF EXPLOSION. HIGHLY FLAMMABLE: This generator may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death, if ignited. A nearby open flame can lead to explosion even if not directly in contact with gasoline.
  • Page 16 If bubbles appear, become larger in size, or increase in number, a leak exists. This MUST be corrected before using generator. Contact WEN customer service at 1-800-232- 1195, M-F 8-5 CST, or email techsupport@wenproducts.com for as- sistance.
  • Page 17 "Switching Fuels" (p. 29) for more information. STEP 3 - CONNECT THE BATTERY WARNING! Use only genuine WEN batteries with your generator (part no. 56380i-1304). Use of other bat- teries may induce premature product failure and could pose a safety risk.
  • Page 18 GENERATOR PREPARATION STEP 3 - CONNECT THE BATTERY (CONTINUED) WARNING! Use only genuine WEN batteries with your generator (part no. 56380i-1304). Use of other bat- teries may induce premature product failure and could pose a safety risk. To connect the battery: Fig.
  • Page 19 GENERATOR PREPARATION STEP 4 - GROUND THE GENERATOR Fig. 15 To reduce the risk of electric shock and to maximize safety, the genera- tor should be properly grounded. Ground the generator by tightening the grounding nut (Fig. 15 - 1) on the front control panel against a grounding wire.

  • Page 20: Operation & Maintenance

    STARTING YOUR GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Generator Preparation” section of this manual. If you are unsure about how to perform any of the steps in this manual please call 1-(800) 232-1195 M-F 8-5 CST for customer service.
  • Page 21 If after 6 attempts the engine has not started, the engine start / stop button will flash red for 30 seconds. Check the trouble- shooting steps. If after checking all these steps the engine still will not start, contact WEN customer service for assistance. Fig. A Option B: Pull Start 3.
  • Page 22 NOTE: The generator will make 6 attempts to start the engine automatically. If after 6 attempts the engine has not started, the engine start/stop button will flash red for 30 seconds. Check the troubleshooting steps. If after checking all these steps the engine still will not start, contact WEN customer service for assistance. 4. Connect electrical devices.
  • Page 23 STARTING YOUR GENERATOR PAIRING THE REMOTE AND GENERATOR Fig. B 1. Make sure the battery is connected and charged, and the bat- tery switch on the panel is set to ON. 2. Press the remote pairing button (Fig. B - 1) on the control panel once.
  • Page 24 STARTING YOUR GENERATOR STANDBY MODE Once the generator is shut down, the generator’s remote control function will stay in standby mode while the battery switch is ON. In standby mode, the generator can be started using the remote. The engine start/stop button will blink green once every 2 seconds to remind you that the generator is in standby mode.
  • Page 25 30 seconds. Check the trouble- shooting steps. If after checking all these steps the engine still Fig. 21 will not start, contact WEN customer service for assistance. Option B: Pull Start 7. Pull the recoil starter handle slowly until a slight resistance is felt, then pull quickly to start the engine.

  • Page 26: Using Your Generator

    USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) Connect electrical devices running on AC current according to their wattage requirements. Calculate the total run- ning wattage and starting wattage of the device(s) you wish to connect, and MAKE SURE that they are within the capacity of your generator and the capacity of each individual outlet.
  • Page 27 USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) - CONTINUED The chart below serves as a reference for the estimated wattage requirements of common electrical devices. How- ever, do not solely rely on this chart - all electronics and appliances are built differently. Always check the wattage listed on the electrical device before consulting this chart.
  • Page 28 USING YOUR GENERATOR CONNECTING ELECTRICAL DEVICES When the rated wattage requirement of each electrical device has been determined, add these numbers to find the total rated wattage needed. If this number exceeds the rated wattage (3500 / 3150W) of the generator, DO NOT con- nect all these devices.
  • Page 29 USING YOUR GENERATOR SOME NOTES ABOUT POWER CORDS 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 by the electrical device. Device Requirements Max.
  • Page 30 PARALLEL OPERATION Fig. 23 The parallel connection ports (Fig. 23) allow you to connect two WEN generators to increase the total available electrical power. The WEN Parallel Connection Kit can be purchased from wenproducts.com. Follow the instructions included with your parallel connection kit for proper installation and operation.
  • Page 31 USING YOUR GENERATOR CIRCUIT BREAKERS Fig. 25 In addition to the reset button that protects the generator’s main circuit, the circuit breakers (Fig. 25) protect the individual AC and DC circuits. The 20-amp AC circuit breaker will activate when the NEMA 5-20 outlets exceed 20A.
  • Page 32 • The CO sensor has a lifetime of about 7 years, and is capable of monitoring its lifetime. If your generator shows an error light several years after purchase, it may be time to replace the CO sensor. Contact WEN customer service...

  • Page 33: Shutting Off Your Generator

    SHUTTING OFF YOUR GENERATOR CAUTION! Unplugging running devices can cause damage to the generator. Never stop the engine with elec- trical devices connected and running. OPTION 1A: AUTOMATIC FUEL SHUTOFF (RECOMMENDED – GASOLINE ONLY) Your generator is equipped with automatic fuel shutoff. This feature turns off the flow of fuel, allowing for the gen- erator to use up the remaining fuel from the carburetor before turning off.
  • Page 34 SHUTTING OFF YOUR GENERATOR CAUTION! Unplugging running devices can cause damage to the generator. Never stop the engine with elec- trical devices connected and running. OPTION 2: MANUAL SHUTOFF In case you are in a hurry and do not want to wait for the generator to automatically shut down, the manual shutoff feature is available.

  • Page 35: Maintenance

    MAINTENANCE Proper routine maintenance of the generator will help prolong the life of the machine. Please perform maintenance checks and operations according to the schedule in Table 4. CAUTION! Never perform maintenance operations while the generator is running. Before maintaining or servicing the generator, turn OFF the generator, disconnect all devices and allow the generator to cool down.
  • Page 36 5. Reinstall dipstick and wipe clean any spilled oil with a rag. Reinstall the oil access cover. TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), available for purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from...
  • Page 37 MAINTENANCE DRAINING THE CARBURETOR We recommend draining the carburetor after every use and before storing the generator. (If the generator is shut off using the AUTO OFF feature, it is only necessary to drain it before periods of long storage.) Draining the carburetor can prevent the fuel from clogging up the carburetor;...
  • Page 38 MAINTENANCE AIR FILTER MAINTENANCE Check every 50 hours of operation (refer to Table 5 - Recommended Maintenance Schedule). Routine maintenance of the air filter helps maintain proper airflow to the carburetor. Occasionally check that the air cleaner is free of excessive dirt. To inspect and clean the air filter: Fig.
  • Page 39 MAINTENANCE SPARK PLUG MAINTENANCE Refer to Recommended Maintenance Schedule in Table 5 for maintaining the spark plug. The spark plug is important for proper engine operation. Check the spark plug regularly to maintain proper engine operation. A good spark plug should be intact, free of deposits, and properly gapped. To inspect or replace the spark plug: Fig.
  • Page 40 MAINTENANCE DRAINING / CHANGING OIL Change the oil according to the Recommended Maintenance Schedule in Table 5. Change the oil after the first 8 hours of operation, after the first 25 hours of operation, and every 50 hours after that. Change the oil MORE OFTEN if operating under heavy load or high ambient temperatures.
  • Page 41 MAINTENANCE DRAINING THE FUEL TANK Drain and clean the fuel tank each year, or before storing the generator for longer than two months. To drain the fuel tank and carburetor: Fig. 38 1. Using a Phillips-head screwdriver, remove the service panel on the opposite side of the recoil starter by unscrewing the top two screws.
  • Page 42 MAINTENANCE BATTERY MAINTENANCE/STORAGE The lithium-ion battery will receive charge when the engine is running. Remember to run the generator once a month for 20-30 minutes to charge the battery. A charged battery will allow you to start the generator us¬ing the electric start button during your next time of need.

  • Page 43: Transportation & Storage

    TRANSPORTATION & STORAGE TRANSPORTING THE GENERATOR To prevent fuel spillage when transporting, be sure to perform the following: 1. Tighten the fuel cap. 2. Flip the engine switch to the OFF position. 3. Drain the fuel tank if possible. Refer to section, “Draining the Fuel Tank.” 4.

  • Page 44: Troubleshooting Guide

    11. Turn OFF propane tank. Disconnect hose from propane fitting. Contact 11. Regulator is stuck. WEN customer service for assistance. 12. Ghost in the generator. 12. Persuade ghost to leave. Consult Bill Murray if needed.

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