Generac Power Systems ECOGEN SERIES User manual

ECOGEN SERIES
Back Up Power For Off-Grid Applications

Suggested Off-Grid Applications:
Homes and businesses
Telecommunications and railroads
Farms & ranches
National parks and other remote
state and county sites
Remote lodging and recreation
Whether your off-grid location is a choice or a necessity, power is important to you. You are responsible for the production of the energy you consume,
and even when there’s no sun or wind, your batteries continue to deliver electricity. Unless you have a backup power system in place, eventually your
battery bank drains and you are left powerless. For some this may not be cause for alarm, but even for off-grid consumers whose needs are fairly
simple, this is a dilemma that can become critical. How long can you go without basics such as heat and cooling, water, lights, and refrigeration?
Until now, alternative energy system backup options have typically been expensive, inadequately sized solutions adapted from other applications.
Generac Power Systems, the pioneer in standby power and manufacturer of the #1 selling home standby generator, has changed all that.
Knowing an affordable, reliable, low-emission, off-grid backup power solution would fulfill a need in the marketplace, Generac engineered the
EcoGen 6 kW to eliminate virtually all of the issues previously associated with renewable energy backup power options. Issues such as high
fuel consumption, noise, and short product life have been eliminated by the only off-grid automatic standby generator to incorporate over
50 years of power generation expertise.
How Does It Work?
In an off-grid solution, the generator is an important source of backup power when other
resources are insufficient for the demand, improving overall system reliability.
1. Sun (solar cells) and/or wind (turbines) generate DC current.
2. This is fed to the inverter charger and then on to the battery bank.
3. The inverter takes DC power from the battery bank, converts it to AC and then
sends the current to the AC electrical panel.
4. If there is no solar or wind gain and the battery bank level drops below a preset
threshold, the inverter automatically signals the generator to start up.
5. The generator feeds AC power to the inverter, which in turn sends power to the
electric panel and recharges the battery bank to an acceptable level.
GENERATOR
AC/DC
DISTRIBUTION
PANELS
TO
HOUSE LOADS
BATTERY
SOLAR
WIND
INVERTER
CHARGER
GENERATOR
AC/DC
DISTRIBUTION
PANELS
TO
HOUSE LOADS
BATTERY
SOLAR
WIND
INVERTER
CHARGER
Setup options will vary depending on application.
The energy efficient answer
to your renewable energy needs.
The EcoGen 6 kW
•Builtspecificallyforthisapplication,itisthefirstautomatic 
standby generator to be warranted for off-grid use when used in
an alternative energy system.
• Engineeredtoeasilyintegrateintotheexistinginverterand
battery storage system.
• Runsonamoreenvironmentallyfriendly,energy-efficient
alternative – propane gas – that is already stored and available at
many off-grid locations.
• FeaturesGenerac’sownV-TwinOHVI®industrial engine, the only
engine developed specifically for generator use. The low speed
makes it the quietest in the industry, with noise and vibration
levels drastically less than comparable solutions.
• Simplifiedmaintenancewithunprecedented500hour 
maintenance intervals saves time and money.
• Full6kWoutputat120V

GeneracOHVI®Engine
THE POWER BEHIND THE #1 HOME STANDBY GENERATOR
Generac’sOHVIengineistheonlyenginedesignedspecificallyforgeneratoruse.Whyisthisimportant?Generators
areoftenrequiredtorunforhoursatatime,dayafterday.Generac’sOHVIengineutilizesthesametypeofpressurized
oil lubrication used to give automobile engines long and trouble free lives. This means a significantly longer life than
many competitive engines - an unprecedented three to four times longer. That’s the reliability you need when
downtime is not an option.
GENERATOR
AC/DC
DISTRIBUTION
PANELS
TO
HOUSE LOADS
BATTERY
SOLAR
WIND
INVERTER
CHARGER
GENERATOR
AC/DC
DISTRIBUTION
PANELS
TO
HOUSE LOADS
BATTERY
SOLAR
WIND
INVERTER
CHARGER
The outside looks just like our #1 selling
automatic home standby generator. The inside is unlike
any standby generator on the market.
EXTENDED RUN CAPABILITY & LONG LIFE
Features an exclusive premium oil recovery and circulation system that virtually
halts oil degradation. Maintenance intervals are extended by an unprecedented
five times the industry standard with 500 hours between oil changes.
PROPANE FUELED
Clean burning propane fuel increases efficiency, contributes to longer
engine life, and produces significantly less carbon monoxide than
gasoline fueled engines.
WEATHER PROTECTIVE STEEL ENCLOSURE
ThesteelenclosurefeaturesourRhinoCoat™finishsystem,aprocessthat
evenly joins paint particles to every part of the metal surface. Components
are baked for more consistent coverage to all surfaces, providing exceptional
protection from the elements on not only the
enclosure, but also the base frame.
THE GOOD HOUSEKEEPING SEAL
The limited warranty reflected by the Good
Housekeeping Seal means that if a
product bearing the Seal is defective
within the first two years of purchase,
Good Housekeeping will replace the
product or refund the purchase price.
NEXUSTM DIGITAL CONTROLLER
The state-of-the-art Nexus Digital Controller features an LCD display with
status indicators, monitors generator performance, and records any issues
for easy troubleshooting. It also includes an integrated smart charging system
that only charges the battery when necessary. Three position switch allows for
automatic, off and manual functions.
CAPABLE OF 120V OR 240V
Factorywiredforafull6kWat120VAC,withthecapabilitytobereconfigured
forafull6kWoutputat240VACtoaccommodatelarger240Vinvertersystems
or two systems paired together.
TWO-WIRE START
Factory equipped to easily connect to the inverter control wires, it enables the
inverter to automatically start and stop the generator in order to charge the
system batteries as necessary.
ULTRA QUIET, LOW RPMS
Only52dB(A)undernormalload!
Verticallymounted,belt-driven
enginedrivesat2600RPMs,
resulting in a longer life and
drastically quieter operation than
other systems.
WARRANTY
Backedbyanunprecedented
3 year/2000 hour limited warranty
when used off-grid in an alternative
energy system.

Bulletin0189320SBYPrintedinUSARev.06.11
©2011 Generac Power Systems, Inc. All rights reserved.
Specifications are subject to change without notice.
Generac Power Systems, Inc.
S45W29290Hwy.59
Waukesha,WI53189
1-888-GENERAC(1-888-436-3722)
ISO
9001:
2008
ISO
9001:
2008
ISO
9001:
2008
EcoGen 6 kW Specifications
Power Since 1959
Sincetheoriginalportablethatstarteditallin1959,Generachascontinuedtoengineeradvancesingenerator
powerformorethanfiftyyears.Generac’sproductrangenowincludespowersolutionsfromRV,portable,
and automatic home standby generators to backup systems for commercial and industrial applications, all
backedbyanextensivenationwideservicenetworkofcertifieddealers.Becauseofourongoingcommitment
to quality and innovation, Generac is the name home and business owners have come to trust.
Sustainability
Generac is committed to developing a long term vision that promotes environmentally responsible products,
processes, and partnerships. We offer product options that allow our customers to shrink their ecological
footprint when generator energy use is required. Manufacturing processes are implemented with the goal
of minimizing environmental impact by reducing the amount of materials used and emissions produced.
Partnerships are sought with organizations and stakeholders to further the development of sustainable
technologies.Byadheringtotheseprinciples,westrivetobeapositivecontributorofsustainablegrowth
in our industry.
GENERATOR Model 005818-0 (6 kW)
Rated Maximum Continuous Power Capacity (LP) 6 kW*
Rated Voltage 120 (240 capable w/kit – Model 6016-0)
Rated Maximum Continuous Load Current – 240 Volts 50 Amps (25@240V)
Main Line Circuit Breaker 50 Amps (25 Amps after conversion)
Phase 1
Number of Rotor Poles 2
Rated AC Frequency 60Hz
Power Factor 1
Battery Requirement (not included) Group 26R 12 Volts and 525 Cold-cranking Amperes Minimum
Unit Weight (Pounds/Kilos) 387/175.5
Dimensions (L x W x H) Inches [mm] 48 x 25 x 29 [1218 x 638 x 732]
Sound output in dB(A) at 23 ft. with generator operating at normal load 52
ENGINE
Type of Engine GENERAC OHVI
Number of Cylinders 2
Displacement 530cc
Cylinder Block Aluminum w/Cast
Iron Sleeves
Valve Arrangement Overhead Valve
Ignition System Solid-state w/Magneto
Governor System Electronic
Compression Ratio 9.5:1
Starter 12 Vdc
Engine Oil Capacity Including Filter (quarts/liters) 1.5Q/1.4L
Oil Reservoir Capacity (quarts/liters) 4.2Q / 4.0L
Engine Operating RPM 2,600
Fuel Consumption Liquid Propane ft3/hr (gal/hr)
½Load 30.8/0.85
Full Load 48.2/1.32
Required fuel pressure to generator fuel inlet at all load ranges - 11 to 14 inches of water column for liquid propane gas.
CONTROLS
2-Line Plain Text LCD Display Simple user interface for ease of operation
Mode Switch
-Auto Puts unit in standby mode, waiting for inverter start call.
-Off Stops unit. Power is removed. Control and charger still operate.
-Manual/Test (start) Start with starter control, unit stays on.
Starter Lock-out Starter cannot re-engage until 5 sec. after engine has stopped.
2.5 Amp Smart Battery Charger Standard
Automatic Voltage Regulator w/Overvoltage Protection Standard
Automatic Low Oil Pressure Shutdown Standard
Overspeed Shutdown Standard, 72Hz
High Temperature Shutdown Standard
Overcrank Protection Standard
Safety Fuse Standard
* Rating definitions - Standby: Applicable for supplying emergency power for the duration of the charging period. No overload capability is available for this rating. (All ratings in accordance with
BS5514, ISO3046 and DIN6271). * Maximum wattage and current are subject to and limited by such factors as fuel Btu content, ambient temperature, altitude, engine power and condition, etc.
Maximum power decreases about 3.5 percent for each 1,000 feet above sea level; and also will decrease about 1 percent for each 12° C (10° F) above 15.5° C (60°F). Not for sale in California.