Generac 26 kW Guardian

Generac 26 kW Guardian

Must be located away from doors, windows, and fresh air intakes and in accordance with local codes.

Standby Power Rating Select:

Note: cETL or cUL certification only applies to unbundled units and units packaged with limited circuit switches. Units packaged with the Smart Switch are ETL or UL certified in the USA only.

Engine / Details

Generac G-Force design Maximizes engine “breathing” for increased fuel efficiency. Plateau honed cylinder walls and plasma moly rings help the engine run cooler, reducing oil consumption and resulting in longer engine life.
“Spiny-lok” cast iron cylinder walls Rigid construction and added durability provide long engine life.
Electronic ignition/spark advance These features combine to assure smooth, quick starting every time.
Full pressure lubrication system Pressurized lubrication to all vital bearings means better performance, less maintenance, and longer engine life. Now featuring up to a 2 year/200 hour oil change interval.
Low oil pressure shutdown system Shutdown protection prevents catastrophic engine damage due to low oil.
High temperature shutdown Prevents damage due to overheating.

Generator / Details

Revolving field Allows for a smaller, light weight unit that operates 25% more efficiently than a revolving armature generator.
Displaced phase excitation Maximizes motor starting capability.
Automatic voltage regulation Regulating output voltage to ±1% prevents damaging voltage spikes.
UL 2200 listed For your safety.

Transfer Switch (if applicable)

Fully automatic Transfers vital electrical loads to the energized source of power.
NEMA 3R Can be installed inside or outside for maximum flexibility.
Integrated load management technology Capability to manage additional loads for efficient power management.
Remote mounting Mounts near an existing distribution panel for simple, low-cost installation.

Evolution™ Controls

AUTO/MANUAL/OFF illuminated buttons Selects the operating mode and provides easy, at-a-glance status indication in any condition.
Two-line multilingual LCD Provides homeowners easily visible logs of history, maintenance, and events up to 50 occurrences.
Sealed, raised buttons Smooth, weather-resistant user interface for programming and operations.
Utility voltage sensing Constantly monitors utility voltage, setpoints 65% dropout, 80% pick-up of standard voltage.
Generator voltage sensing Constantly monitors generator voltage to verify the cleanest power is delivered to the home.
Utility interrupt delay Prevents nuisance start-ups of the engine, adjustable 2–1500 seconds from the factory default setting of 5 seconds by a qualified dealer.
Engine warm-up Verifies engine is ready to assume the load, setpoint approximately 5 seconds.
Engine cool-down Allows engine to cool prior to shutdown, setpoint approximately 1 minute.
Programmable exercise Operates engine to prevent oil seal drying and damage between outages by running the generator for 5 minutes every other week. Also offers a selectable setting for weekly or monthly operation providing flexibility and lowering fuel costs to the owner.
Smart battery charger Delivers charge to the battery only when needed at varying rates depending on outdoor air temperature. Compatible with both lead acid and AGM-style batteries.
Main line circuit breaker Protects generator from overload.
Electronic governor Maintains constant 60 Hz frequency.

Unit / Details

SAE weather protective enclosure Sound attenuated enclosures ensure quiet operation and protection against mother nature, withstanding winds up to 150 mph (241 km/h). Hinged key locking roof panel for security. Lift-out front for easy access to all routine maintenance items. Electrostatically applied textured epoxy paint adds durability.
Enclosed critical grade muffler Quiet, critical grade muffler is mounted inside the unit to prevent injuries.
Small, compact, attractive Makes for an easy, eye-appealing installation, as close as 18 in (457 mm) from a structure.

Installation System

14 in (35.6 cm) flexible fuel line connector Listed ANSI Z21.75/CSA 6.27 outdoor appliance connector for the required connection to the gas supply piping.
Integral sediment trap Meets IFGC and NFPA 54 installation requirements.

Connectivity (Wi-Fi equipped models only)

Ability to view generator status Monitor generator with a smartphone, tablet, or computer at any time via the Mobile Link application for complete peace of mind.
Ability to view generator Exercise/Run and Total Hours Review the generator’s complete protection profile for exercise hours and total hours.
Ability to view generator maintenance information Provides maintenance information for the specific model generator when scheduled maintenance is due.
Monthly report with previous month’s activity Detailed monthly reports provide historical generator information.
Ability to view generator battery information Built-in battery diagnostics displaying current state of the battery.
Weather information Provides detailed local ambient weather conditions for generator location.

Generator

Model G007290-0, G007291-0 (26 kW)
Rated maximum continuous power capacity (LP) 26,000 Watts*
Rated maximum continuous power capacity (NG) 22,500 Watts*
Rated voltage 240
Rated maximum continuous load current – 240 volts (LP/NG) 108.3 / 93.8
Total Harmonic Distortion Less than 5%
Main line circuit breaker 110 Amp
Phase 1
Number of rotor poles 2
Rated AC frequency 60 Hz
Power factor 1.0
Battery requirement (not included) 12 Volts, Group 26R 540 CCA minimum or Group 35AGM 650 CCA minimum
Unit weight (lb/kg) 581 / 263
Dimensions (L × W × H) in / cm 48 × 25 × 29 / 121.9 × 63.5 × 73.7
Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load** 67
Sound output in dB(A) at 23 ft (7 m) with generator in Quiet-Test™ low-speed exercise mode** 57
Exercise duration 5 min

Engine

Specification Details
Engine type GENERAC G-Force 1000 Series
Number of cylinders 2
Displacement 999 cc
Cylinder block Aluminum w/ cast iron sleeve
Valve arrangement Overhead valve
Ignition system Solid-state w/ magneto
Governor system Electronic
Compression ratio 9.5:1
Starter 12 VDC
Oil capacity including filter Approx. 1.9 qt / 1.8 L
Operating rpm 3,600
Fuel Consumption
Natural gas (ft³/hr) (m³/hr) – 1/2 Load 188 (5.32)
Natural gas (ft³/hr) (m³/hr) – Full Load 333 (9.43)
Liquid propane (ft³/hr) (gal/hr) (L/hr) – 1/2 Load 75.5 (2.08) [7.88]
Liquid propane (ft³/hr) (gal/hr) (L/hr) – Full Load 132 (3.63) [13.73]
Note: Fuel pipe must be sized for full load. Required fuel pressure to generator fuel inlet at all load ranges – 3.5–7 in water column (0.87–1.74 kPa) for NG, 10–12 in water column (2.49–2.99 kPa) for LP gas. For BTU content, multiply ft³/hr × 2,500 (LP) or ft³/hr × 1,000 (NG). For Megajoule content, multiply m³/hr × 93.15 (LP) or m³/hr × 37.26 (NG).

Controls

Two-line plain text multilingual LCD Simple user interface for ease of operation.
Mode buttons: AUTO Automatic start on utility failure. Weekly, Bi-Weekly, or Monthly selectable exerciser.
MANUAL Start with starter control, unit stays on. If utility fails, transfer to load takes place.
OFF Stops unit. Power is removed. Control and charger still operate.
Ready to Run / Maintenance messages Standard
Engine run hours indication Standard
Programmable start delay between 2–1500 seconds Standard (programmable by dealer only)
Utility voltage loss / Return to utility adjustable (brownout setting) From 140–171 V / 190–216 V
Future set capable exerciser / Exercise set error warning Standard
Run / Alarm / Maintenance logs 50 events each
Engine start sequence Cyclic cranking: 16 sec on, 7 sec rest (90 sec maximum duration)
Starter lock-out Starter cannot re-engage until 5 sec after engine has stopped.
Smart Battery Charger Standard
Charger Fault / Missing AC warning Standard
Low Battery / Battery Problem Protection and Battery Condition Indication Standard
Line Voltage Regulation with Over and Under Voltage Protection Standard
Under-Frequency / Overload / Stepper Overcurrent Protection Standard
Safety Fused / Fuse Problem Protection Standard
Automatic Low Oil Pressure / High Oil Temperature Shutdown Standard
Overcrank / Overspeed (@ 72 Hz) / RPM Sense Loss Shutdown Standard
High Engine Temperature Shutdown Standard
Internal Fault / Incorrect wiring protection Standard
Common external fault capability Standard
Field Upgradable Firmware Standard
Rating definitions – Optional Standby: Applicable for supplying backup power for the duration of the utility power outage with correct maintenance performed. No overload capability is available for this rating. (All ratings in accordance with BS5514, ISO3046, UL2200, and DIN6271).

* Maximum kilovolt amps and current are subject to and limited by such factors as fuel BTU/Megajoule content, ambient temperature, altitude, engine power and condition, etc. Maximum power decreases approximately 3.5% for each 1,000 ft (304.8 m) above sea level and approximately 1% for each 10 °F (6 °C) above 60 °F (16 °C).

** Sound levels are taken from the front of the generator. Sound levels taken from other sides of the generator may be higher depending on installation parameters.

Service Rated Automatic Transfer Switch Features

Controller Specifications

Model G007291-0 (26 kW)
No. of poles 2
Current rating (amps) 200
Voltage rating (VAC) 120 / 240, 1Ø
Utility voltage monitor (fixed)* 80%
–Pick-up 80%
–Dropout 65%
Return to Utility* Approx. 13 sec
ETL or UL listed Standard
Enclosure type NEMA / UL 3R
Circuit breaker protected 22,000
Lug range 250 MCM – #6
* Function of Evolution controller
Exercise can be set to weekly, bi-weekly, or monthly

Dimensions

200 Amps 120/240, 1Ø
Open Transition Service Rated
Height Width Depth
H1 H2 W1 W2
in 26.8 30.1 10.5 13.5 6.9
cm 67.95 76.43 26.67 34.18 17.5

Wire Ranges
Conductor Lug Neutral Lug Ground Lug
250 MCM – #6 350 MCM – #6 2/0 – #14

Accessories

Model # Product Description
G007101-0 Battery Pad Warmer Pad warmer rests under the battery. Recommended for use if temperature regularly falls below 0 °F (-18 °C). (Not necessary for use with AGM-style batteries).
G007102-0 Oil Warmer Oil warmer slips directly over the oil filter. Recommended for use if temperature regularly falls below 0 °F (-18 °C).
G007103-1 Breather Warmer Breather warmer is for use in extreme cold weather applications. For use with Evolution controllers only in climates where heavy icing occurs.
G005621-0 Auxiliary Transfer Switch Contact Kit The auxiliary transfer switch contact kit allows the transfer switch to lock out a single large electrical load that may not be needed. Not compatible with 50 amp pre-wired transfer switches.
G007027-0 – Bisque Fascia Base Wrap Kit The fascia base wrap snaps together around the bottom of the new air-cooled generators. This offers a sleek, contoured appearance as well as offering protection from rodents and insects by covering the lifting holes located in the base.
G005703-0 – Bisque Touch-Up Paint Kit If the generator enclosure is scratched or damaged, it is important to touch up the paint to protect it from future corrosion. The touch-up paint kit includes the necessary paint to correctly maintain or touch up a generator enclosure.
G006485-0 Scheduled Maintenance Kit Generac’s scheduled maintenance kit provides all the items necessary to perform complete routine maintenance on a Generac automatic standby generator (oil not included).
G007009-0 LTE LP Tank Fuel Level Monitor The LTE-enabled LP fuel level monitor provides constant monitoring of the connected LP fuel tank. Monitoring the LP tank’s fuel level is an important step in verifying the generator is ready to run during an unexpected power failure. Status alerts are available through a free application to notify users when the LP tank is in need of a refill.
G007000-0 (50 amp)
G007006-0 (100 amp)
Smart Management Module Smart Management Modules (SMMs) are used to optimize the performance of a standby generator. It manages large electrical loads upon startup and sheds them to aid in recovery when overloaded. In many cases, using SMMs can reduce the overall size and cost of the system.
G007169-0 – 4G LTE
G007170-0 – Wi-Fi/Ethernet
Mobile Link® Cellular Accessories The Mobile Link family of Cellular Accessories allows users to monitor generator status from anywhere in the world, using a smartphone, tablet, or PC. Easily access information such as the current operating status and maintenance alerts. Users can connect an account with an authorized service dealer for fast, friendly, and proactive service. With Mobile Link, users are taken care of before the next power outage.
G007220-0 – Bisque Base Plug Kit Base plugs snap into the lifting holes on the base of air-cooled home standby generators. This offers a sleek, contoured appearance, as well as protection from rodents and insects by covering the lifting holes located in the base. Kit contains four plugs, sufficient for use on a single air-cooled home standby generator.
G007301-0 High Altitude Kit A high altitude kit may be required when operating above 2,000 ft (610 m) to ensure compliance with local air quality regulations. Operating the engine with the incorrect engine configuration at a given altitude may increase emissions and decrease fuel efficiency and performance.

Dimensions & UPCs

Model and UPC

Model UPC
G007290-0 696471087307
G007291-0 696471087314

Dinersions shown are approximate See installation manual for exact dimensions DO NOT USE THESE DIMENSIONS FOR INSTALLATION PURPOSES

Who this unit is best for

Homeowners Choose Us

Medium to large single-family homes that want near whole-home backup

Homes with central HVAC systems that must stay on during outages.

Families who want automatic, hands-free protection (no portable generator setup).

Homeowners looking for a long-term, low-maintenance standby solution.

Installation & warranty notes

Top