16/20/22 kW GUARDIAN SERIES ®
16/20/22 kW
GUARDIAN® SERIES
Residential Standby Generators
Air-Cooled Gas Engine
16/20/22 kW
®
1 of 5
Standby Power Rating
INCLUDES:
Models 006459-0, 006461-0, 006462-1 (Steel - Bisque) - 16 kW 60 Hz
Model 006721-0 (Aluminum - Gray) - 16 kW 60 Hz
Models 006729-1, 006730-0 (Steel - Bisque) - 20 kW 60 Hz
Models 006551-1, 006552-0 (Aluminum - Gray) - 22 kW 60 Hz
• True Power™ Electrical Technology
• Two Line LCD Multilingual Digital
Evolution™ Controller (English/Spanish/
French/Portuguese)
• Two Transfer Switch Options Available:
100 Amp Pre-Wired Switch or
200 Amp Service Rated Switch.
See Page 4 for Details.
• Electronic Governor
• External Main Circuit Breaker, System Status &
Maintenance Interval LED Indicators
• GFCI Duplex Outlet
• Sound Attenuated Enclosure
• Flexible Fuel Line Connector
• Composite Mounting Pad
• Natural Gas or LP Gas Operation
• 5 Year Limited Warranty
• Capability to be installed within 18" (457 mm)
of a building*
Note: CUL certification only applies to unbundled units and units packaged with pre-wired switches.
Units packaged with the Smart Switch are UL certified in the USA only.
*Only if located away from doors, windows and fresh air intakes, and unless otherwise directed by local codes.
FEATURES
¡
INNOVATIVE DESIGN & PROTOTYPE TESTING are key components
of GENERAC’S success in “IMPROVING POWER BY DESIGN.” But it
doesn’t stop there. Total commitment to component testing, reliability
testing, environmental testing, destruction and life testing, plus testing
to applicable CSA, NEMA, EGSA, and other standards, allows you to
choose GENERAC POWER SYSTEMS with the confidence that these
systems will provide superior performance.
¡
SOLID-STATE, FREQUENCY COMPENSATED VOLTAGE REGULATION.
This state-of-the-art power maximizing regulation system is standard on
all Generac models. It provides optimized FAST RESPONSE to changing
load conditions and MAXIMUM MOTOR STARTING CAPABILITY by
electronically torque-matching the surge loads to the engine. Digital
voltage regulation at ±1%.
¡
TRUE POWER™ ELECTRICAL TECHNOLOGY: Superior harmonics
and sine wave form produce less than 5% Total Harmonic Distortion for
utility quality power. This allows confident operation of sensitive electronic
equipment and micro-chip based appliances, such as variable speed HVAC
systems.
¡
SINGLE SOURCE SERVICE RESPONSE from Generac’s extensive dealer
network provides parts and service know-how for the entire unit, from the
engine to the smallest electronic component.
¡ TEST CRITERIA:

PROTOTYPE TESTED
 SYSTEM TORSIONAL TESTED
 NEMA MG1-22 EVALUATION
 MOTOR STARTING ABILITY
¡
G ENERAC TRANSFER SWITCHES. Long life and reliability are
synonymous with GENERAC POWER SYSTEMS. One reason for this
confidence is that the GENERAC product line includes its own transfer
systems and controls for total system compatibility.
TM
*
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features and benefits
Engine
•Generac (OHVI) design
Maximizes engine “breathing” for increased fuel efficiency. Plateau honed cylinder walls and plasma moly rings
helps the engine run cooler, reducing oil consumption resulting in longer engine life.
• Quiet-Test™
Greatly reduces sound output and fuel consumption during bi-weekly exercise, compared to other brands.
•“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
•Revolving field
Allows for a smaller, light weight unit that operates 25% more efficiently than a revolving armature generator.
•Skewed stator
Produces a smooth output waveform for compatibility with electronic equipment.
•Displaced phase excitation
Maximizes motor starting capability.
•Automatic voltage regulation
Regulates the output voltage to ±1% prevents damaging voltage spikes.
•UL 2200 listed
For your safety.
Transfer Switch
•Fully automatic
Transfers your vital electrical loads to the energized source of power.
•Pre-wired, color-coded conduits
(Pre-wired switches only)
Ensures the easiest, trouble-free installation.
•Remote mounting
Mounts near your 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 LCD multilingual display
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 60% dropout, 80% pick-up, of standard voltage.
•Generator voltage sensing
Constantly monitors generator voltage to ensure the cleanest power 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
Ensures 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 exerciser
Operates engine to prevent oil seal drying and damage between power outages by running the generator for 5
minutes every other week. Also offers a selectable setting for weekly or monthly operation providing flexibility and
potentially lower fuel costs to the owner.
•Smart battery charger
Delivers charge to the battery only when needed at varying rates depending on outdoor air temperature.
•Electronic governor
Maintains constant 60 Hz frequency.
Unit
•SAE weather protective enclosure
Sound attenuated enclosure ensures quiet operation and protection against mother nature, withstanding winds up
to 150 mph. Hinged key locking roof panel for security. Lift-out front for easy access to all routine maintenance
items. Electrostatically applied textured epoxy paint for added 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" away from a building.*
Installation System
•1 ft (305 mm) flexible fuel line connector
Absorbs any generator vibration when connected to rigid pipe.
•Composite mounting pad
Eliminates the need to pour a concrete pad unless required by local municipalities.
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Generator
Model
Rated Maximum Continuous Power Capacity (LP)
Rated Maximum Continuous Power Capacity (NG)
Rated Voltage
Rated Maximum Continuous Load Current – 240 Volts (LP/NG)
Total Harmonic Distortion
Main Line Circuit Breaker
Phase
Number of Rotor Poles
Rated AC Frequency
Power Factor
Battery Requirement (not included)
Unit Weight (lb/kg)
Dimensions (L x W x H) in/mm
Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load**
Sound output in dB(A) at 23 ft (7 m) with generator in Quiet-Test™ low-speed
exercise mode**
Exercise duration
specifications
006459-0, 006461-0,
006729-1, 006730-0,
006462-1, 006721-0 (16 kW)
(20 kW)
16,000 Watts*
20,000 Watts*
16,000 Watts*
18,000 Watts*
240
240
66.6/66.6
83.3/75
Less than 5%
Less than 5%
65 Amp
90 Amp
1
1
2
2
60 Hz
60 Hz
1.0
1.0
Group 26R, 12 Volts and 525 CCA Minimum
513/232.7 (Steel);
516/234.1
448/203.2 (Aluminum)
48 x 25 x 29/1218 x 638 x 732
66
66
006551-1, 006552-0
(22 kW)
22,000 Watts*
19,500 Watts*
240
91.6/81.3
Less than 5%
100 Amp
1
2
60 Hz
1.0
526/238.6
67
60
60
58
5 min
5 min
5 min
GENERAC OHVI V-TWIN
2
992 cc
GENERAC OHVI V-TWIN
2
999 cc
Overhead Valve
Solid-state w/ Magneto
Electronic
9.5:1
12 Vdc
Approx. 1.9 qt/1.8 L
3,600
GENERAC OHVI V-TWIN
2
999 cc
Aluminum w/ Cast Iron Sleeve
Overhead Valve
Solid-state w/ Magneto
Electronic
9.5:1
12 Vdc
Approx. 1.9 qt/1.8 L
3,600
193 (5.47)
312 (8.83)
205 (5.8)
308 (8.72)
184 (5.21)
281 (7.96)
72.4 (1.99) [7.53]
130 (3.19) [13.53]
75.6 (2.08) [7.87]
140 (3.85) [14.57]
83 (2.16) [8.16]
127 (3.68) [13.99]
Engine
Type of Engine
Number of Cylinders
Displacement
Cylinder Block
Valve Arrangement
Ignition System
Governor System
Compression Ratio
Starter
Oil Capacity Including Filter
Operating rpm
Fuel Consumption
Natural Gas ft³/hr (m³/hr)
1/2 Load
Full Load
Liquid Propane
ft3/hr (gal/hr) [l/hr]
1/2 Load
Full Load
Overhead Valve
Solid-state w/ Magneto
Electronic
9.5:1
12 Vdc
Approx. 1.9 qt/1.8 L
3,600
Note: Fuel pipe must be sized for full load. Required fuel pressure to generator fuel inlet at all load ranges - 3.5-7" water column (7-13 mm mercury) for natural gas, 10-12" water column (19-22 mm
mercury) for LP gas. For Btu content, multiply ft3/hr x 2500 (LP) or ft3/hr x 1000 (NG). For Megajoule content, multiply m³/hr x 93.15 (LP) or m³/hr x 37.26 (NG)
Controls
2-Line Plain Text Multilingual LCD Display
Mode Buttons:
Auto
Manual
Off
Ready to Run/Maintenance Messages
Engine Run Hours Indication
Programmable start delay between 2-1500 seconds
Utility Voltage Loss/Return to Utility Adjustable (Brownout Setting)
Future Set Capable Exerciser/Exercise Set Error Warning
Run/Alarm/Maintenance Logs
Engine Start Sequence
Starter Lock-out
Smart Battery Charger
Charger Fault/Missing AC Warning
Low Battery/Battery Problem Protection and Battery Condition Indication
Automatic Voltage Regulation with Over and Under Voltage Protection
Under-Frequency/Overload/Stepper Overcurrent Protection
Safety Fused/Fuse Problem Protection
Automatic Low Oil Pressure/High Oil Temperature Shutdown
Overcrank/Overspeed (@ 72 Hz)/rpm Sense Loss Shutdown
High Engine Temperature Shutdown
Internal Fault/Incorrect Wiring Protection
Simple user interface for ease of operation.
Automatic Start on Utility failure. 7 day exerciser.
Start with starter control, unit stays on. If utility fails, transfer to load takes place.
Stops unit. Power is removed. Control and charger still operate.
Standard
Standard
Standard (programmable by dealer only)
From 140-171 V/190-216 V
Standard
50 Events Each
Cyclic cranking: 16 sec on, 7 rest (90 sec maximum duration).
Starter cannot re-engage until 5 sec after engine has stopped.
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Common External Fault Capability
Standard
Field Upgradable Firmware
Standard
**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. Rating definitions - Standby: Applicable for supplying emergency power for the duration
of the utility power outage. 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/megajoule content,
ambient temperature, altitude, engine power and condition, etc. Maximum power decreases about 3.5 percent for each 1,000 feet (304.8 meters) above sea level; and also will decrease about 1 percent for each 6 °C (10 °F) above 16 °C (60 °F).
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switch options
Pre-wired Features
Model
available on Steel 16 kW models only
• Electrically operated, mechanically-held contacts for fast, positive
connections.
4 of 5
006461-0 (16 kW)
No. of Poles
Current Rating (Amps)
Voltage Rating (VAC)
Utility Voltage Monitor (Fixed)*
-Pick-up
-Dropout
Return to Utility*
Exercise weekly for 12 minutes*
UL Listed
Total of Pre-wired Circuits
No. 15 A 120 V
No. 20 A 120 V
No. 20 A 240 V
No. 30 A 240 V
No. 40 A 240 V
No. 50 A 240 V
Circuit Breaker Protected
Available RMS Symmetrical
Fault Current @ 250 Volts
• Rated for all classes of load, 100% equipment rated, both inductive and
resistive.
• 2 pole, 250 VAC contactors.
• 30 millisecond transfer time.
• Dual coil design.
• Main contacts are silver plated or silver alloy to resist welding and sticking.
• NEMA 1 (indoor rated) enclosure is standard on the pre-wired switch.
• Pre-wired 30 foot (9.1 meter) whip to connect to the provided 5 foot prewired whip and external connection box.
• Pre-wired 2 foot (0.61 meter) whip, color coded to connect into the
existing electrical panel.
2
100
120/240, 1Ø
80%
60%
approx. 15 sec.
Standard
Standard
16
5
5
1
1
1
10,000
*Function of Evolution Controller
Dimensions
Mechanical Dimensions
Height
in
mm
H1
23.5
597
Wire Ranges
Conductor Lug
2/0 - #14
Width
H2
26.4
671.7
W1
8.3
211
Neutral Lug
2/0 - #14
W2
12.6
320.7
Depth
H2
6.3
159.6
H1
Ground Lug
2/0 - #14
W1
W2
Service Rated Switch Features
• Electrically operated, mechanically-held contacts for fast, clean
connections.
• Rated for all classes of load, 100% equipment rated, both inductive
and resistive.
• 2 pole, 250 VAC contactors.
• Service equipment rated, dual coil design.
• Rated for both aluminum and copper conductors.
• NEMA/UL 3R aluminum outdoor enclosure.
• Main contacts are silver plated or silver alloy to resist welding and
sticking.
Model
006462-1 (16 kW)/006729-1 (20 kW)/006551-1 (22 kW)
No. of Poles
Current Rating (Amps)
Voltage Rating (VAC)
Utility Voltage Monitor (Fixed)*
-Pick-up
-Dropout
Return to Utility*
Exercise weekly for 12 minutes*
UL Listed
Enclosure Type
Withstand Rating (Amps)
Lug Range
2
200
120/240, 1Ø
80%
60%
approx. 13 sec.
Standard
Standard
NEMA/UL 3R
22,000
250 MCM - #6
*Function of Evolution Controller
W1
H1
H2
Dimensions
in
mm
200 Amps 120/240, 1ø
Open Transition Service Rated
Height
Width
Depth
H1
H2
W1
W2
27.24
30.0
11.4
13.5
7.09
692.0 762.4 289.0 343.0 180.0
DEPTH
W2
16/20/22 kW
available accessories
Model #
Product
Description
006463-3
Mobile Link™
Generac's Mobile Link allows you to check the status of your generator from anywhere that you have
access to an Internet connection from a PC or with any smart device. You will even be notified when a
change in the generator’s status occurs via e-mail or text message.
005819-0
26R Wet Cell Battery
Every standby generator requires a battery to start the system. Generac offers the recommended 26R
wet cell battery for use with all air-cooled standby product (excluding PowerPact®).
006212-0
Cold Weather Kit
If the temperature regularly falls below 32 °F (0 °C), a cold weather kit is required to maintain optimal
battery and oil temperatures. Kit consists of a battery warmer and oil filter heater with built-in
thermostats.
005621-0
Auxiliary Transfer Switch Contact
Kit
The auxiliary transfer switch contact kit allows the transfer switch to lock out a single large electrical
load you may not need. Not compatible with 50 amp pre-wired switches.
005839-0 - Bisque
005666-0 - Gray
Fascia Base Wrap Kit*
(Standard on 22 kW)
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.
005703-0 - Bisque
005704-0 - Gray
Paint Kit*
If the generator enclosure is scratched or damaged, it is important to touch-up the paint to protect
from future corrosion. The paint kit includes the necessary paint to properly maintain or touch-up a
generator enclosure.
006484-0 - 16 kW
006485-0 - 20 & 22 kW
Scheduled Maintenance Kit
Generac's scheduled maintenance kits provide all the hardware necessary to perform complete
routine maintenance on a Generac automatic standby generator.
006664-0
Wireless Remote Monitor
Completely wireless and battery powered, Generac's wireless remote monitor provides you with
instant status information without ever leaving the house. Not compatible with CorePower or EcoGen
systems.
006873-0
Smart Management Module
(50 Amps)
Smart Management Modules are used in conjunction with the Automatic Transfer Switch to
increase its power management capabilities. It provides additional power management flexibility
not found in any other power management system.
* Note: Bisque kits are used in conjunction with steel enclosures. Gray kits are used in conjunction with aluminum enclosures.
dimensions & UPCs
Dimensions shown are approximate. Refer to installation manual for exact dimensions. DO NOT USE THESE DIMENSIONS FOR INSTALLATION PURPOSES.
637.6 mm
[25.1 in]
1218 mm
[47.9 in]
731.9 mm
[28.8 in]
642 mm
[25.3 in]
LEFT SIDE VIEW
®
Model
UPC
006459-0
696471064599
0064610
696471064612
006721-0
696471067217
006729-1
696471067293
006730-0
696471067309
006551-1
696471065510
006552-0
696471065527
006462-1
696471064629
1226 mm
[48.3 in]
FRONT VIEW
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2015 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0K8458-F Printed in U.S.A. 04/10/15
16/20/22 kW
®
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