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Powerhorse M792220G.5 - User Manual

Powerhorse M792220G.5
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M792220G.5
Owner’s Manual
Instructions for Installation/Set-up, Operation, Servicing, & Storage
Portable, Outdoor Use-Only, Gasoline Generator
Can be used to power individual appliances plugged directly into the generator’s outlets, or as a back-up
connection to a building’s power supply (via a professionally installed UL-listed transfer switch).
WARNING
READ and UNDERSTAND this manual completely before using the generator! Failure to properly set up,
operate, and maintain this generator could result in serious injury or death from carbon monoxide poisoning,
electric shock, fire/explosion, or burns. Generator has been shipped WITHOUT engine oil, Check the oil level
using the dipstick and add oil as needed. In particular, be aware of the following hazards:
CO Poisoning
Generators give off carbon monoxide, a poisonous gas that can kill you. You CANNOT smell it, see it, or taste it.
ONLY run generator OUTDOORS and AWAY from building air intakes. NEVER run generator inside any enclosed or
semi-enclosed spaces, including homes, basements, garages, sheds, boxes, RVs, boats or pick-up truck beds. These
spaces can trap poisonous gases, EVEN if you run a fan or open windows.
Install carbon monoxide alarms inside nearby structures/buildings (battery-operated, or plug-in with battery backup).
Electric shock / Electrocution
High voltage electricity from generator can kill. DO NOT operate in wet locations. Be sure generator is properly
grounded. Use only UL-listed, outdoor-rated grounded extension cords of proper size.
NEVER plug the generator directly into a wall outlet. ANY connection to a building’s electrical system MUST
ISOLATE THE GENERATOR FROM UTILITY POWER via a UL-listed transfer switch installed by a licensed
electrician. Otherwise, back feed from the generator into the power grid could kill utility workers.
Fire / Explosion
DO NOT overload generator (per rated capacity), and OPERATE ONLY in an area with adequate cooling ventilation so
engine does not overheat. Exhaust can be extremely hot. Keep muffler at least 7 feet from all combustible objects.
All fuels are flammable. Never fuel a running or hot engine. Never pump fuel directly into generator at gas station use
approved container to transfer fuel. Ensure there are no fuel leaks, and keep sources of sparks and flames away.
ALWAYS keep a fire extinguisher rated “ABC” nearby.
STOP!
CHOOSE THE RIGHT GENERATOR FOR YOUR NEEDS. See the “Power Load Planning & Management” section
of this manual to determine your power load requirements and then compare to the generator’s rated capacity.
INSPECT COMPONENTS: Closely inspect to make sure no components are missing or damaged. See the “Unpacking
& Delivery Inspection” section for instructions on whom to contact to report missing or damaged parts.
ARRANGE FOR PROFESSIONAL INSTALLATION of a transfer switch if you will be connecting the generator to
your building’s electrical system. See the “Installation/Initial Set-Up” section for more information about this
requirement.
Any Questions, Comments, Problems, or Parts Orders
Call Powerhorse Product Support 1-866-443-2576
Item Number: 792220
Serial Number: _____________

Questions and Answers

  • D
    dmannAug 11, 2025
    Why won't my Powerhorse M792220G.5 Portable Generator engine start?
    • J
      Jennifer GrimesAug 12, 2025
      If your Powerhorse Portable Generator engine won't start, there might be several reasons. It could be due to low oil level; in this case, fill the crankcase to the proper oil level. Alternatively, the fuel tank might be empty, so you should fill it.
  • S
    Sierra FoxAug 18, 2025
    Why does my Powerhorse Portable Generator engine lack power?
    • M
      Marco CarrAug 18, 2025
      If your Powerhorse Portable Generator engine lacks power, it could be due to several reasons. The generator might be overloaded, so reduce the load. Also, a dirty air filter could be the cause, so clean or replace the air filter. Bad fuel can also cause this issue; in that case, drain the tank and carburetor and refuel.
  • S
    Sharon HillAug 23, 2025
    What to do if my Powerhorse Portable Generator has no output voltage?
    • R
      Ryan ZimmermanAug 23, 2025
      If your Powerhorse Portable Generator has no output voltage, it might be due to a defective load connected to the generator; try disconnecting the load. Another reason could be a tripped breaker/protector; in this case, reset the breaker/protector.
  • Z
    Zachary MorrisAug 29, 2025
    Why does my Powerhorse M792220G.5 Portable Generator engine shut down during operation?
    • W
      William DanielsAug 29, 2025
      If your Powerhorse Portable Generator engine shuts down during operation, it could be due to insufficient ventilation; make sure there is at least 7 feet of clearance on all sides of the generator. Another reason might be that the generator is overloaded, so reduce the load.
  • K
    Kayla McmahonSep 4, 2025
    What causes my Powerhorse Portable Generator to overheat?
    • M
      Molly OrtegaSep 5, 2025
      If your Powerhorse Portable Generator is overheating, it could be because the generator is overloaded. Reduce the load.

Powerhorse M792220G.5 Specifications

General IconGeneral
Starting Watts2200
Running Watts1800
Outlets2x 120V 20A (5-20R), 1x 12V DC
Low Oil ShutdownYes
Weight55 lbs
Starting SystemRecoil
Noise Level68 dB
Engine Type4-stroke
AC Output120V
DC Output12V

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