Generac QT04524ANSX Specifications, Stationary Emergency Generator, Engine, Cooling System, 100%

Specifications

SPECIFICATIONS

STATIONARY EMERGENCY GENERATOR

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)	45kW*

*NOTE: Generator rating and performance in accordance with ISO8528-5, BS5514, SAE J1349, ISO3046 and DIN 6271 Standards. KW rating is based on LPG fuel and may derate with natural gas.

Excitation System			Direct
Generator Output Voltage/kW - 60 Hz	kW	Amp	CB Size
120/240V, 1-phase, 1.0 pf	45	188	200
120/208V, 3-phase, 0.8 pf	45	156	175
120/240V, 3-phase, 0.8 pf	45	135	150
277/480V, 3-phase, 0.8 pf	45	68	80
Generator Locked Rotor KVA Available @ Voltage Dip of 35%
Single-phase or 208, 3-phase (45kW)			72 KVA
480V, 3-phase (45kW)			80 KVA

ENGINE

Make		Generac
Model		In Line
Cylinders and Arrangement		4
Displacement		2.4 Liter
Bore		3.41 in.
Stroke		3.94 in.
Compression Ratio		9.5-to-1
Air Intake System		Naturally Aspirated
Valve Seats		Hardened
Lifter Type		Hydraulic
Spark Plug Gap	1.07-1.17mm (0.042-0.046 inch)
Engine Parameters
Rated Synchronous RPM		60 Hz, 3600
Exhaust System
Exhaust Flow at Rated Output 60 Hz (45kW)		..................... 420 cfm
Exhaust Temp. at Rated Output (45kW)		1100° F
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz (45kW)		144 cfm
Governor
Type		Electronic
Frequency Regulation		Isochronous
Steady State Regulation		± 0.25%

Engine Lubrication System
Type of Oil Pump	Gear
Oil Filter	Full Flow Spin-on, Cartridge
Crankcase Oil Capacity	5.25 U.S. qts. (including filter capacity)

COOLING SYSTEM

Type	Pressurized Closed Recovery
Water Pump		Belt Driven
Fan Speed		2150 rpm
Fan Diameter		22 inches
Fan Mode		Puller
Air Flow (inlet air...........................................................including alternator and		2725 ft3/min.
combustion air)
Coolant Capacity		(3.0 U.S. gal.)
Heat Rejection to Coolant (45kW)		193,000 Btu/h
Maximum Operating Air Temp. on Radiator		60° C (150° F)
Maximum Ambient Temperature		50° C (140° F)

FUEL SYSTEM

Type of Fuel			Natural Gas, Propane Vapor
Carburetor					Down Draft
Secondary Fuel Regulator					Standard
Fuel Shut-off Solenoid					Standard
Operating Fuel Pressure			5 in. - 14 in. Water Column
Fuel Consumption - ft3/hr (Natural Gas/LPV)
Exercise		25%	50%	75%	100%
	Cycle	Load	Load	Load	Load
45kW	65/25	210/83	380/151	545/216	730/290
ELECTRICAL SYSTEM
Battery Charge Alternator				12V, 30 Amp
Static Battery Charger					2.5 Amp
Recommended Battery				Group 26, 525CCA
System Voltage					12 Volts
Voltage Regulator
Type					Electronic
Sensing				Single-phase
Regulation					± 1%
Features			Adjustable Voltage and Gain
Power Adjustment for Ambient Conditions
Temperature Deration
3% for every 10° C above °C (45kW)					25
1.65% for every 10° above °F (45kW)					77
Altitude Deration
1% for every 100 m above m (45kW)					183
3% for every 1000 ft. above ft. (45kW)					600
Controller					Nexus

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05/10 A .Rev GenSpec084