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GENMAX GM1200i - User Manual

GENMAX GM1200i
28 pages
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INVERTER GENERATOR
USER'S MANUAL
R
GENMAX GENERATOR
GM1200i
Portable Inverter Generator
1000 Running Watts | 1200 Peak Watts
This manual contains important information regarding safety. Operation,
maintenance and storage of this product. Before use, read carefully and
understand all cautions, warnings, instructions and product labels. Failure to
do so could result in serious personal injury and/or property damage.
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Summary

UNPACKING

What Comes in the Box

Lists all items included with the generator package, such as tools and accessories.

LIMITED WARRANTY

Warranty Duration and Coverage Details

Outlines warranty periods for consumer/commercial use and specifies covered defects.

Exclusions, Limitations, and Questions

Details what is not covered, warranty limitations, and contact information for inquiries.

SAFETY WARNING

Hazard Level Definitions

Explains the meaning of DANGER, WARNING, ATTENTION, and CAREFUL in safety alerts.

Carbon Monoxide (CO) Technical Warning

Details the risks and safety measures related to carbon monoxide detection from generator exhaust.

Neutral Floating Generator Implications

Explains the implications of a floating neutral generator for electrical connections.

SAFETY INSTRUCTIONS

General Operational Safety Guidelines

Provides visual and text-based instructions for safe generator operation and usage.

Safety Labels and Decals Explanation

Identifies and explains the various warning labels and decals found on the generator.

NAMES OF COMPONENTS

CONTROL FUNCTIONS

Control Panel Features Overview

Describes the function of each button, switch, indicator, and outlet on the control panel.

PREPARATIONS

Fueling the Generator

Instructions for safely adding fuel, including capacity, type, and precautions.

Checking and Adding Lubricating Oil

Steps for checking and adding the correct type and amount of lubricating oil.

Pre-use Inspection Checklist

Outlines essential checks before starting the generator to ensure proper function and safety.

STARTING UP THE GENERATOR

SHUTTING DOWN THE GENERATOR

USING THE GENERATOR

Generator Operating Environment

Specifies the optimal temperature, humidity, and altitude for generator operation.

Generator Wiring and Connection

Guidelines for safely connecting the generator to electrical loads and household power.

AC Power Connection Procedure

Instructions for connecting electrical equipment to the generator's AC outlets safely.

Generator Grounding Procedure

Details the procedure for properly grounding the generator for electrical safety.

SERVICE AND MAINTENANCE

Spark Plug Inspection and Maintenance

Step-by-step guide on how to inspect, clean, and check the generator's spark plug.

Carburetor Adjustment Procedure

Explains the process and precautions for adjusting the generator's carburetor.

Engine Oil Replacement Guide

Instructions for safely draining and refilling the engine oil according to specifications.

Air Filter Cleaning and Maintenance

Procedures for cleaning and maintaining the air filter element for optimal performance.

Fuel Filter Screen Cleaning

Steps for removing, cleaning, and reinstalling the fuel filter screen to ensure fuel flow.

STORAGE AND TRANSPORT

Generator Long-Term Storage Preparation

Guidelines for preparing and storing the generator for long-term use to prevent degradation.

Safe Generator Transport Guidelines

Safety precautions and procedures for transporting the generator securely and without spills.

TROUBLESHOOTING

TECHNICAL PARAMETERS

CIRCUIT DIAGRAM

GM1200 i Electrical Schematics

Visual representation of the generator's electrical system components and their connections.

CHOOSING A GENERATOR

Appliance Wattage Reference Chart

A chart comparing common appliances and their running/starting wattage requirements.

Calculating Generator Wattage Needs

Explains how to determine the total running and starting wattage needed for appliances.

Generator Wattage Calculation Example

Demonstrates the process of calculating required generator wattage using a practical example.

Overview

This document serves as a user's manual for the Genmax Inverter Generator, providing essential information for its safe operation, maintenance, and storage. The generator is designed to provide portable power, suitable for various consumer applications.

Function Description

The Genmax Inverter Generator is a portable power source that produces electricity through an internal combustion engine. It utilizes inverter technology to deliver clean, stable power, making it safe for sensitive electronic devices. The generator is equipped with a CO DETECT technology that monitors carbon monoxide accumulation and automatically shuts off the engine if unsafe levels are detected, enhancing user safety. It features a 120-Volt, 20-Amp duplex outlet and a USB duplex for charging various devices. For increased AC power output, two identical generators can be connected using special paralleling cords. The generator also incorporates an "Efficiency Mode" switch, which allows the engine to sense the load and run at a slower RPM to conserve fuel. A ground terminal is provided for external grounding, ensuring safe electrical operation.

Usage Features

Before operating the generator, users are instructed to remove any load from the output ends, turn the ventilation knob on the fuel tank cap to "ON," and set the fuel switch to "ON." The ECO switch should be in the "OFF" position for starting. The engine switch is then pressed to "ON." For cold starts, the choke lever should be moved to the "START" position. The generator is started by gently pulling the startup handle until the cable is tight, then pulling with effort. Once started, the lever should be moved to the "RUN" position, and devices can be plugged in.

When connecting the generator as a backup power supply to a household power source, it is crucial that the connection is performed by a professional electrician or someone familiar with electricity to prevent damage, burning, or fire. The manual explicitly warns against connecting the generator to commercial power outlets. When extending cables, users must ensure they do not exceed the specified lengths and that the extension cable is protected by a tough and elastic rubber cover.

For shutting down the generator, the power cord should first be unplugged. The engine switch is then pressed to "OFF," and the fuel switch is turned to "ON." After the generator has completely cooled down, the ventilation knob on the fuel tank cap should be turned to "OFF."

The generator is designed for outdoor use only, in well-ventilated areas, and away from occupied buildings, with exhaust pointed away from people and structures. It should not be used indoors, in humid environments, or connected directly to household appliances. Smoking and spilling fuel during refueling are strictly prohibited, and the generator must be shut down before refueling.

Maintenance Features

Regular maintenance is crucial for the safe, economical, and reliable operation of the Genmax Inverter Generator. The manual provides a detailed maintenance schedule, outlining checks and replacements for various components at different intervals (e.g., every 1 month/20 hours, every 3 months/50 hours, 100 hours per year/use).

Key maintenance tasks include:

  • Fuel System: Checking fuel level before each use and refueling with unleaded gasoline. The fuel tank cap must be tightened after refueling. The fuel filter screen should be cleaned with gasoline and dried.
  • Oil System: Checking the oil level before each use and filling with SAE 10W/30 oil (API standard Type SE or higher) if necessary. The manual specifies that no oil is filled when the generator is delivered. Oil replacement involves warming up the engine, draining the old oil, and refilling to the proper level.
  • Spark Plug: Regular inspection of the spark plug for discoloration and carbon deposits. The ceramic cores around the center electrode should be a light to moderate brown. The spark plug gap should be checked and adjusted if necessary (standard gap: 0.7-0.8mm). Installation requires a specific cold torque (12.5 N.m).
  • Air Filter: The air cleaner element should be cleaned regularly, especially in dusty environments, to prevent carburetor failure. It involves removing the cover, cleaning the foam element with solvent, drying it, and adding a few drops of oil. The manual warns against twisting the foam element forcefully and starting the engine without the air cleaner assembled.
  • Carburetor: Adjustment of the carburetor is an important task that should be carried out by a dealer with professional knowledge and equipment.
  • Spark Arrestor: The spark arrestor should be cleaned and replaced as needed.

For long-term storage, specific measures are recommended to prevent aging. These include shutting down the generator, draining all fuel from the fuel tank and carburetor, and then starting the engine to burn off any remaining fuel in the carburetor. The oil dipstick should be unscrewed, old oil drained, and new oil filled to the upper limit. Finally, the startup handle should be gently pulled until resistance is felt, closing both inlet and exhaust valves, and the generator should be stored in a clean, dry area.

When transporting the generator, it is essential to ensure no fuel spills, avoid overfilling the fuel tank, and prevent direct sunlight exposure. The generator should not be transported on rough roads for extended periods.

GENMAX GM1200i Specifications

General IconGeneral
Fuel TypeGasoline
Outlets1x 120V 20A (5-20R), 1x USB 5V
Engine Type4-Stroke OHV
Voltage120V
Frequency60 Hz
TypeInverter
Max AC Output1200 W
Starting SystemRecoil

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