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Firman WH03344 Operator's Manual
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Firman WH03344 Operator's Manual

Dual fuel inverter generator
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OPERATOR'S MANUAL
DUAL FUEL INVERTER GENERATOR
MODEL NUMBER
WH03344
Rev Level:00
Record product information to reference when ordering parts or
obtaining warranty coverage.
P/N:333745484 Rev:00

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Summary of Contents for Firman WH03344

  • Page 1 OPERATOR’S MANUAL DUAL FUEL INVERTER GENERATOR MODEL NUMBER WH03344 Rev Level:00 Record product information to reference when ordering parts or obtaining warranty coverage. P/N:333745484 Rev:00...
  • Page 2 NOTE: The FIRMAN WH03344 inverter generator has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 3: Table Of Contents

    Register your FIRMAN generator online at www.firmanpowerequipment.com INTRODUCTION Thank you for purchasing a FIRMAN generator. You have selected a high-quality, precision engineered generator set designed and tested to give you years of satisfactory service. This generator is Dual Fuel and capable of running on gasoline and liquid petroleum gas (LPG). This generator is not intended to be run unattended or to supply power to life safety support.

  • Page 4: Introduction

    INTRODUCTION SIGNAL WORDS DANGER WARNING CAUTION NOTICE Indicates a hazard Indicates a hazard Indicates information Indicates a hazard which, if not avoided, considered Important, which, if not avoided, which, if not avoided, could result in minor or but not hazard-related. will result in death or could result in death moderate injury.
  • Page 5 NOTICE If you have questions about intended use, contact FIRMAN customer service. This inverter generator is designed to be used only with FIRMAN authorized parts. System Ground The generator neutral is floating, which means that the AC stator winding is isolated from the grounding fastener and the AC receptacle ground pins.
  • Page 6 INTRODUCTION 1. Only use grounded cords marked for outdoor use rated for your loads. To provide power using extension cords Minimum Gauge, Outdoor Rated Total Amperage Up to 50 FT (15m) Up to 13A Up to 15A Up to 20A Up to 30A 2.

  • Page 7: Features And Controls

    FEATURES AND CONTROLS ① ② ⑫ ① ③ ⑧ ④ ⑦ ⑤ ⑥ ⑪ ⑩ ⑨ 1- Fixed Carrying Handle 9- Maintenance Cover – Oil filler and 2- Fuel Cap air filter access. 3- LPG Hose Quick Connect Inlet 10- LPG Hose with Regulator 4- Recoil Starter 11- Spring Clamp to Hang Regulator 5- Never Flat Wheel...
  • Page 8 FEATURES AND CONTROLS ③ ④ ① ⑤ ② ⑥ ⑦ English Customer Service: 1-844-FIRMAN1...
  • Page 9 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 10 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 11 FEATURES AND CONTROLS Control Panel NOTICE Total power drawn from all receptacles must not exceed the data decal rating. 1. Engine Start Switch – To start engine, press and hold the switch in the START (ll) position, the engine will crank and attempt to start. When the engine starts, release the switch to the RUN (l) position. 2.
  • Page 12 13. DC Circuit Breaker – The DC receptacles are protected by an DC circuit protector. If the DC output is overloaded or an external short circuit occurs the circuit protector will trip. 14. Parallel Operation Outlets - These outlets are used for connecting two FIRMAN inverter generators for parallel operation. A FIRMAN parallel kit(optional equipment) is required for parallel operation.

  • Page 13: Operation

    OPERATION 1.Location DANGER! Engine exhaust contains carbon monoxide, a poisonous gas that could kill you in minutes. You CANNOT smell it, see it, or taste it. Even if you do not smell exhaust fumes, you could still be exposed to carbon monoxide gas. •...
  • Page 14 OPERATION Reduce Risk of Fire WARNING! Exhaust heat/gases could ignite combustibles, structures or damage fuel tank causing a fire, resulting in death or serious injury. • Keep portable generator at least 5 ft. (1.5 m) from any structure, trees or vegetation over 12 in.
  • Page 15 2. Oil and Gasoline/LPG Add Engine Oil We recommend using FIRMAN SAE 10W-30 API SJ oil for best performance. Other high-quality detergent oils (API SJ or higher) are acceptable. Do not use special additives. Ambient temperature determines the proper oil viscosity for the engine. Use the chart to select the proper oil for the outdoor temperature range expected.
  • Page 16 Make sure the sump is completely full of oil to the upper limit (H). Do not operate engine until oil level issue is corrected. Contact Firman customer service. Add Gasoline WARNING! Fuel and its vapors are extremely flammable which could cause burns or fire resulting in death or serious injury.
  • Page 17 High altitude may cause hard starting, increased fuel consumption and sparkplug fouling. To operate at high altitudes FIRMAN can provide a high altitude carburetor main jet. The alternative main jet and installation instructions can be obtained by contacting Customer Support.
  • Page 18 OPERATION Connecting LPG Fuel WARNING! Liquid Petroleum gas (LPG) is extremely flammable which could cause burns or fire resulting in death or serious injury. • The fuel supply line must always be shut off when the engine is not running. Failure to shut off fuel may allow fuel to leak at the generator.
  • Page 19 OPERATION 3.Starting the Generator on Gasoline 1. Before starting the generator, check for loose or missing parts and for any damage which may have occurred during shipment. Ensure spark plug, muffler, fuel cap, and air cleaner are all in place. 2.
  • Page 20 OPERATION 8. Pull the choke knob out to the “START” position. You do not need to choke a warm engine. (For electric start move to step (10)) 9. For recoil start only-Pull the starter cord slowly until resistance is felt and then pull rapidly to start engine.
  • Page 21 OPERATION 4.Starting the Generator on LPG 1. Before starting the generator, check for loose or missing parts and for any damage which may have occurred during shipment. Ensure spark plug, muffler, fuel cap, and air cleaner are all in place. 2.
  • Page 22 OPERATION 7. Flip the engine switch to the “RUN"(l) position. 8. Push the battery power restore switch for about 3 seconds and then release. 9. Pull the choke knob out to the “START” position.(For electric start move to step (13)) 10.
  • Page 23 OPERATION 12. For recoil start only - PULL-TO-RUN Pull the starter cord slowly until resistance if felt and pull rapidly to run the portable generator. If the engine fails to start in 1-2 pulls with choke in the RUN position, move choke knob to START position and repeat the PULL-TO-PRIME step (10).
  • Page 24 OPERATION 5. Connecting Electrical Loads This inverter generator has been pretested and adjusted to handle its full capacity. WARNING! Generator voltage could cause electrical shock or burn resulting in death or serious injury. • Damaged or overloaded extension cords could overheat, arc, and burn resulting death or serious injury.
  • Page 25 OPERATION Economy Control Switch The Economy Control switch can be activated in order to minimize fuel consumption and noise while operating the unit during times of reduced electrical output, allowing the engine speed to idle during periods of non-use. The engine speed returns to normal when an electrical load is connected.
  • Page 26 OPERATION 5. Stopping the generator 1. Turn off and remove all electrical loads. Never stop the generator with electrical devices plugged in and turned on. Never stop the engine by moving the choke to the start position. Let the generator run at no-load for one minute to stabilize internal temperatures of the engine and generator.
  • Page 27 Any two FIRMAN inverter generators with parallel ports, including two FIRMAN inverters model WH03344 can be paralleled to increase the total available electrical power to 6000 Watts. A FIRMAN Parallel kit (not included) is required for parallel operation. For Kit availability, call customer Service at 1-844- 347-6261 or visit: www.firmanpowerequipment.com.

  • Page 28: Maintenance - Storage

    Maintenance - Storage MAINTENANCE SCHEDULE Every Daily(Before Initial Every Every 100 hours ITEM NOTES operation) 25 hours 50 hours 250 hours (or annual) Check condition. Adjust gap √ Spark Plug and clean. Replace if necessary. Check oil level. √ Engine Oil Replace.
  • Page 29 Fill the engine with oil until it reaches the HIGH(H) level on the oil filler cap . DO NOT OVERFILL. NOTICE We recommend using FIRMAN SAE 10W-30 API SJ oil for best performance. Other high- quality detergent oils (API SJ or higher) are acceptable. See Oil and Gasoline / LPG.
  • Page 30 Maintenance - Storage Air Filter Maintenance (a) Remove the air cleaner cover and locate the air filter plastic cover. (b) Carefully remove foam air filter element and wash it with liquid detergent and water only. Squeeze dry in a clean cloth. Air Cleaner Foam Element ( c) Saturate foam air filter element with clean engine oil and squeeze in a clean cloth to remove...
  • Page 31 (d) Inspect spark plug for damage and clean with a wire brush before reinstalling. Replace if damaged. (e) For spark plug FIRMAN P/N 330723001 - Adjust the electrode gap to 0.020 - 0.024 in. ( 0.5 - 0.6 mm). (f) Seat spark plug in position and thread by hand to prevent cross threading.
  • Page 32 4. Replace the spark arrester if it is damaged. If replacement parts are required, make sure to use only FIRMAN original equipment replacement parts. 5. Position the spark arrester in the muffler and attach spark arrester cover with the screws.
  • Page 33 Maintenance - Storage Battery Replacement 1.Unscrew the air cleaner cover by provided screwdriver. 2. Release the battery retaining rubber belt. 3. Remove the protective cover(rubber sheath) from battery. 4. Disconnect the black(-) cable from black(-) terminal on the battery. Disconnect the red(+) cable from red(+) terminal on the battery. Rubber Sheath Positive(+) Terminal...
  • Page 34 Maintenance - Storage Battery Charging The battery powers the starter motor and control module. This portable generator is equipped with an automatic battery charging circuit. The battery will receive charging voltage only when the engine is running. The battery will maintain a proper charge if the portable generator is used on a regular basis (about once every two weeks).
  • Page 35 Maintenance - Storage Long Term Storage It is important to prevent gum deposits from forming in essential fuel system components such as the carburetor, fuel hoses or tank during storage. Ethanol-blended fuels (called gasohol, ethanol or methanol) attract moisture, which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage.

  • Page 36: Troubleshooting- Specifications

    2. Dirty air cleaner. Engine shuts down when 3. Fill crankcase to proper level or place. 3. Low oil level. running. generator on level surface. For all other issues, contact authorized dealer or Firman customer service. English Customer Service: 1-844-FIRMAN1...
  • Page 37 Troubleshooting – Specifications SPECIFICATIONS Model WH03344 Starting Watts 3650(GASOLINE)/3300(LPG) Running Watts* 3300(GAS OLINE )/3000(LPG) Rated AC Voltage 120V Rated Fequency 60Hz Phase Single Voltage Regulator Digital Power Factor <3% Total Harmonic Distortion(THD) Magneto Inductor Alternator Type Engine FIRMAN Engine Type...
  • Page 38 PARTS DIAGRAM AND PART LIST WH03344 PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...
  • Page 39 193cc ENGINE PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...

  • Page 40: Parts Diagrams - Parts Lists - Wiring Diagram

    Parts Diagrams - Parts Lists - Wiring Diagram WH03344 Portable Generator Description Qty. Description Qty. NO. Part Number NO. Part Number 333467002 Engine 336718362 Screw M5×14 38.1 333757001 Ground Wire 38.2 330713541 Handle,lower 330713560 Generator End Cover 38.3 330713539 Handle,left 317718304 Bolt M6×20...
  • Page 41 Parts Diagrams - Parts Lists - Wiring Diagram Description Qty. Description Qty. NO. Part Number NO. Part Number 330713653 Front Cover 330713564 Supporter,right 330713657 Pull Chock Assembly 330713565 Motor Mount 336718362 Screw M5×14 336718383 Screw M4×14 330713527 Bolt M6×16 330723533 Screw M5×10 336713575 Receptacle Cover,5-20R Duplex...
  • Page 42 Parts Diagrams - Parts Lists - Wiring Diagram FIRMAN 193cc Engine Qty. Qty. NO. Part Number Description NO. Part Number Description Gasket, Cylinder Head 336713528 Bolt M6×8 330723611 Locating Pins 330723528 Wire Clip 330723548 330723526 Rope Button 330723510 Lifter,Valve Push Rod...
  • Page 43 Parts Diagrams - Parts Lists - Wiring Diagram Wiring Diagram English Customer Service: 1-844-FIRMAN1...

  • Page 44: Service - Warranty

    FIRMAN GENERATOR will register the warranty upon receipt of your Warranty Registration Card and a copy of your sales receipt from one of FIRMAN’s retail locations as proof of purchase. Please submit your warranty registration and your proof of purchase within ten(10) days of the date of purchase.
  • Page 45 Limits of Implied Warranty and Consequential Damage FIRMAN disclaims any obligation to cover any loss of time, use of this product, freight, or any incidental or consequential claim by anyone from using this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANT ABLILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  • Page 46 If any such part fails during the period of warranty coverage, the part will be repaired or replaced by FIRMAN at no charge to the owner. Any such part repaired or replaced under the warranty will be warranted for the remaining warranty period.
  • Page 47 Service – Warranty (8) Throughout the emissions warranty period defined in Subsection (b)(2), FIRMAN will maintain a supply of warranted parts sufficient to meet the expected demand for such parts. (9) Any replacement part may be used in the performance of any warranty maintenance or repairs and must be provided without charge to the owner.
  • Page 48 FIRMAN POWER EQUIPMENT INC. 8716 W. LUDLOW DR. SUITE #6 PEORIA, AZ 85381 All rights reserved. Any reprinting or unauthorized use 1-844-347-6261 without the written permission is expressly prohibited. WWW.FIRMANPOWEREQUIPMENT.COM P/N:333745484 Rev:00...