Generac Power Systems QT022 User manual

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

100

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.)

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

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

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.

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

194

TERMINAL NUMBERS

NUMBERS TO

MATCH WIRE

NOTE:

194

178

183

T1/LINE

NEUT

NEU

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

NEUTRAL

CONTACTOR

NOTE WIRE ORIENTATION

WARNING

TRANSFER

DC COMMON

CUSTOMER CONNECTIONS

194

+12VDC

GROUND

LOAD SHED

MODULE

194

T1N1 N2

48850-T

T1 E2 T2

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

QT022

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