Generac Power Systems QT022 Manuale utente
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.
¡TEST CRITERIA:
PROTOTYPE TESTED NEMA MG1-22 EVALUATION
SYSTEM TORSIONAL TESTED MOTOR STARTING ABILITY
¡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.
¡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.
GENERAC®QUIETSOURCE®SERIES
STANDBY GENERATORS 22 kW
Includes:
• Generac Naturally Aspirated
Gaseous Fueled 2.4L Engine
• Two Line LCD Tri-lingual
Digital Nexus™ Controller
• Isochronous Electronic Governor
• Sound Attenuated Enclosure
• 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
Standby Power Rating
Model QT022 (Gray) - 22 kW 60Hz
Liquid-Cooled Engine Generator Sets
Meets EPA Emission Regulations
CA/MA emissions Compliant
Application & Engineering Data
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). (All ratings in accordance with BS5514, ISO3046, ISO8528, SAE J1349 and DIN6271).
QT022
GENERATOR SPECIFICATIONS
TYPE Synchronous
ROTOR INSULATION Class H
STATOR INSULATION Class H
TELEPHONE INTERFERENCE FACTOR (TIF) <50
ALTERNATOR OUTPUT LEADS 3 PHASE 4 wire
BEARINGS Sealed Ball
COUPLING Flexible Disc
LOAD CAPACITY (STANDBY RATING) 22 kW
EXCITATION SYSTEM Direct
VOLTAGE REGULATION
TYPE Electronic
SENSING Single Phase
REGULATION ± 1%
GENERATOR FEATURES
Revolving field heavy duty generator
Directly connected to the engine
Operating temperature rise 120 °C above a 40 °C ambient
Insulation is Class H rated at 150 °C rise
All models are fully prototyped tested
ENCLOSURE FEATURES
Aluminum weather
protective enclosure
Ensures protection against mother nature.
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.
SAE Sound attenuated enclosure ensures quiet operation.
ENGINE SPECIFICATIONS
MAKE Generac
MODEL In line
CYLINDERS 4
DISPLACEMENT 2.4 Liter
BORE 3.41
STROKE 3.94
COMPRESSION RATIO 9.5:1
INTAKE AIR SYSTEM Naturally Aspirated
LIFTER TYPE Hydraulic
GOVERNOR SPECIFICATIONS
TYPE Electronic
FREQUENCY REGULATION Isochronous
STEADY STATE REGULATION ± 0.25%
ENGINE LUBRICATION SYSTEM
OIL PUMP Gear
OIL FILTER Full flow spin-on cartridge
CRANKCASE CAPACITY 4 Quarts
ENGINE COOLING SYSTEM
TYPE Closed
WATER PUMP Belt driven
FAN SPEED 1980
FAN DIAMETER 18.1 inches
FAN MODE Pusher
FUEL SYSTEM
FUEL TYPE Natural gas, propane vapor
CARBURETOR Down Draft
SECONDARY FUEL REGULATOR Standard
FUEL SHUT OFF SOLENOID Standard
OPERATING FUEL PRESSURE 5” - 14” H2O
ELECTRICAL SYSTEM
BATTERY CHARGE ALTERNATOR 12V 30 Amp
STATIC BATTERY CHARGER 2 Amp
RECOMMENDED BATTERY Group 26, 525CCA
SYSTEM VOLTAGE 12 Volts
OPERATING DATA
KW RATING (LP/NG) 22/22
ENGINE SIZE 2.4 Liter Inline 4
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
22
22
22
92
76
66
100
80
80
ENGINE FUEL CONSUMPTION (Natural Gas) (Propane)
Exercise cycle
25% of rated load
50% of rated load
75% of rated load
100% of rated load*
For Btu content, multiply ft3/hr x 2520 (LP) or ft3/hr x 1000 (NG)
Natural Gas
(ft3/hr.)
42
100
190
255
316
Propane
(gal/hr.) cu ft/hr
0.44 16
1.1 40
2.1 75
2.8 101
3.4 125
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft3/min.
System coolant capacity US gal.
Heat rejection to coolant BTU/hr.
Max. operating air temp. on radiator °C (°F)
Max. ambient temperature °C (°F)
2,400
3
99,000
60 (150)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz cfm 68
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Normal operation at 7 meters
61
70
EXHAUST
Exhaust flow at rated output 60 Hz cfm
Exhaust temp. at muffler outlet °F
165
900
ENGINE PARAMETERS
Rated synchronous RPM 60 Hz 1800
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C
1.65% for every 10 °F above - °F
Altitude Deration
1% for every 100 m above - m
3% for every 1000 ft. above - ft.
25
77
183
600
* Refer to "Emissions Data Sheets" for maximum fuel flow for EPA and SCAQMD permitting purposes.
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.
Generac®QuietSource®Series Standby Generator - 22 kW
®
INTERCONNECTIONS
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 Standard
Engine Start Sequence Cyclic cranking: 16 sec. on, 7 rest (90 sec. maximum duration)
Engine Warm-up 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
Automatic Voltage Regulation with Over and Under Voltage Protection Standard
Automatic Low Oil Pressure Shutdown Standard
Overspeed Shutdown Standard, 72Hz
High Temperature Shutdown Standard
Overcrank Protection Standard
Safety Fused Standard
Failure to Transfer Protection Standard
Low Battery Protection Standard
50 Event Run Log Standard
Future Set Capable Exerciser Standard
Incorrect Wiring Protection Standard
Internal Fault Protection Standard
Common External Fault Capability Standard
Governor Failure Protection Standard
QT022
CUSTOMER SUPPLIED
NEUTRAL WIRE
LIQUID-COOLED INSTALLATION
NEUTRAL BLOCK
UTILITY SUPPLY FROM
SERVICE DISCONNECT
TO BE RUN IN TWO DIFFERENT CONDUITS.
POWER LEADS AND TRANSFER SWITCH LEADS
NOTE:
N1N1
CONNECTION PANEL
QT SERIES ENGINE GENERATOR
23
194
TERMINAL NUMBERS
NUMBERS TO
MATCH WIRE
NOTE:
23
194
178
183
T1/LINE
ON
0
NEUT
T1
N2
E1
N2
NEU
E2
GROUND
0C4449A-T
(DISTRIBUTION PANEL)
CUSTOMER LOAD
NEUTRAL BLOCK
RTS TRANSFER SWITCH
UTILITY
STANDBY
(C1 & VR1)
(C2 & VR2)
0 GROUND
15B +12V
23 TRANSFER
AIR 1
AIR 2
PRIORITY 1
PRIORITY 2
PRIORITY 3
PRIORITY 4
T1
NEUTRAL
CONTACTOR
1
CONTACTOR
2
CONTACTOR
3
CONTACTOR
4
NOTE WIRE ORIENTATION
WARNING
TRANSFER
DC COMMON
CUSTOMER CONNECTIONS
23
0
194
+12VDC
GROUND
LOAD SHED
MODULE
194
23
0
T1N1 N2
48850-T
E1
T1 E2 T2
T1
E1
N1
T2
E2
N2
N1 N2
*Single and three phase connections may vary, refer to the owner’s manual for specific connection information.
INSTALLATION LAYOUT QT022
Model # Product Description
5630 Cold Weather Kit
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.
5621 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.
5616 Extreme Cold Weather Kit Recommended where the temperature regularly falls below 32° F for extended periods
of time. For liquid cooled units only.
5651 Base Plug Kit Add base plugs to the base of the generator to keep out debris.
5704 Paint Kit Medium Grey Kit
5656 Scheduled Maintenance Kit The Liquid-Cooled Scheduled Maintenance Kits offer all the hardware necessary to
perform a complete maintenance on Generac liquidcooled generators.
5928 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.
5951 Advanced Nexus Wireless
Remote
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.
5937 DLM Load Control Module
(50 Amps)
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.
AVAILABLE ACCESSORIES
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 0187710SBY-H / Printed in U.S.A. 06/28/12
®
QT022
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