GENERAC®STANDBY GENERATORS
80 kW
Liquid-Cooled Engine Generator Sets
INCLUDES:
Standby Power Rating
Model QT080 (Bisque) - 80 kW 60Hz
• Generac Naturally Aspirated
Gaseous Fueled 4.6L Engine
• Two Line LCD Tri-lingual
Digital Nexus™ Controller
• Sound Attenuated Enclosure
• Isochronous Electronic Governor
• Closed Coolant Recovery System
• Smart Battery Charger
• UV/Ozone Resistant Hoses
• ±1% Voltage Regulation
• Natural Gas or LP Operation
• 2 Year Limited Warranty
• UL 2200 Listed
Meets 2010 EPA Emission Regulations
Not for sale in CA/MA
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. An
unequalled ±1% voltage regulation.
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
GENERAC 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.
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Generac® Standby Generator - 80 kW
®
OPERATING DATA
KW RATING (LP/NG)
80
ENGINE SIZE
4.6 Liter V-8
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
KW
AMP
CB Size
120/240V, 1-phase, 1.0 pf
120/208V, 3-phase, 0.8 pf
120/240V, 3-phase, 0.8 pf
277/480V, 3-phase, 0.8 pf
77
80
80
80
320
278
249
120
400
300
300
150
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
Single phase or 208-240 3-phase
480V 3-phase
160
185
ENGINE FUEL CONSUMPTION (Natural Gas) (Propane)
Natural Gas
(ft3/hr.)
131
Propane
(gal/hr.)
1.45
cu ft/hr
53
126
241
336
Exercise cycle
25% of rated load
50% of rated load
75% of rated load
100% of rated load
312
600
835
1154
3.45
6.64
9.25
12.78
465
3
3
For Btu content, multiply ft /hr x 2520 (LP) or ft /hr x 1000 (NG)
ENGINE COOLING
Air flow (inlet air including alternator and combustion air)
System coolant capacity
Heat rejection to coolant
Max. operating air temp. on radiator
Max. ambient temperature
ft3/min.
US gal.
BTU/hr.
°C (°F)
°C (°F)
5300
4.0
316,000
60 (150)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
250
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Normal operation at 7 meters
64
74
EXHAUST
Exhaust flow at rated output 60 Hz
Exhaust temp. at muffler outlet
cfm
°C (°F)
720
449 (840)
ENGINE PARAMETERS
Rated synchronous RPM
60 Hz
3600
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C
1.65% for every 10 °F above - °F
25
77
Altitude Deration
1% for every 100 m above - m
3% for every 1000 ft. above - ft.
183
600
RATING: All three phases units are rated at 0.8 power factor. All single phase units are rated at 1.0 power factor. STANDBY RATING: Standby ratings apply to installations served by a
reliable utility source. The standby rating is applicable to varying loads for the duration of a power outage. There is no overload capability for this rating. Ratings are in accordance with
ISO-3046-1. Design and specifications are subject to change without notice.
kW rating is based on LPG Fuel and may derate with natural gas.
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INTERCONNECTIONS
QT080
CIRCUIT BREAKER WIRE AND CONDUIT SIZE
kW
80
80
80
80
VOLTS
CB AMPS LUG SIZE
240 1 Ø
240 3 Ø
208 3 Ø
480 3 Ø
400
300
300
150
(1) 600 mcm to #4 or (2) 1/0 to 250 mcm to 1/0
(1) 600 mcm to #4 or (2) 1/0 to 250 mcm to 1/0
(1) 600 mcm to #4 or (2) 1/0 to 250 mcm to 1/0
#6 to 300 mcm
NEXUS™ CONTROL FEATURES
2-Line Plain Text LCD Display
Simple user interface for ease of operation.
Mode Switch
-Auto
Automatic Start on Utility failure. 7 day exerciser.
-Off
Stops unit. Power is removed. Control and charger still operate.
-Manual/Test (start)
Start with starter control, unit stays on. If utility fails, transfer to load takes place.
Programmable start delay between 10-30 seconds
Engine Start Sequence
Engine Warm-up
Standard
Cyclic cranking: 16 sec. on, 7 rest (90 sec. maximum duration).
5 seconds
Engine Cool-Down
1 minute
Starter Lock-out
Starter cannot re-engage until 5 sec. after engine has stopped.
Smart Battery Charger
Standard
Standard
Standard
Standard, 72Hz
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Automatic Voltage Regulation with Over and Under Voltage Protection
Automatic Low Oil Pressure Shutdown
Overspeed Shutdown
High Temperature Shutdown
Overcrank Protection
Safety Fused
Failure to Transfer Protection
Low Battery Protection
50 Event Run Log
Future Set Capable Exerciser
Incorrect Wiring Protection
Internal Fault Protection
Common External Fault Capability
Governor Failure Protection
*Single and three phase connections may vary , refer to the owner’s manual for specific connection information.
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INSTALLATION LAYOUT
QT080
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AVAILABLE ACCESSORIES
QT080
Model #
Product
Description
If the temperature regularly falls below 32° F, install a cold weather kit to maintain
optimal battery temperature. Kit consists of battery warmer with thermostat built into
the wrap.
5632
Cold Weather Kit
Recommended where the temperature regularly falls below 32° F for extended periods
of time. For liquid-cooled units only.
5619
5651
5703
5985
5928
5951
5937
Extreme Cold Weather Kit
Base Plug Kit
Add base plugs to the base of the generator to keep out debris.
Bisque Kit
Paint Kit
The Liquid-cooled Scheduled Maintenance Kits offer all the hardware necessary to
perform a complete maintenance on Generac liquid-cooled generators.
Scheduled Maintenance Kit
Nexus Wireless Remote
Completely wireless and battery powered, Generac's Nexus wireless remote monitor
provides you with instant status information without ever leaving the house.
Remotely control generator functions with the advanced model's LCD display. In
addition to remote testing of the generator, set the excercise cycle and maintenance
interval reminders.
Advanced Nexus Wireless
Remote
DLM Modules are used in conjunction with the Nexus Smart Switch to increase
its load management capabilities. It gives the Nexus Smart Switch additional load
management flexibility not found in any other transfer switch.
DLM Load Control Module
(50 Amps)
®
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2012 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0188680SBY-F / Printed in U.S.A. 06/25/12
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