Specification

G4-210 (14/20RESAL) 2/12a
Alternator Specifications
Alternator Specifications
Specifications
PowerBoostt Generator
1-Phase
Manufacturer Kohler
Output reconnectable 120/240
Type 2-Pole, Rotating Field
Leads, quantity 4
Voltage regulator Digital
Insulation: NEMA MG1-1.66
Material Class H
Temperature rise Class H
Bearing: quantity, type 1, Sealed Ball
Coupling Direct
Amortisseur windings Full
Voltage regulation, no-load to full-load
RMS
±1.0%
One-step load acceptance 100% of Rating
Peak motor starting kVA @ 240 V :
14RESAL 35
20RESAL 40.5
Alternator Features
D Compliance with NEMA, IEEE, and ANSI standards for
temperature rise
D Self-ventilated and dripproof construction
D Vacuum-impregnated windings with fungus-resistant
epoxy varnish for dependability and long life
D Superior voltage waveform and minimum harmonic
distortion from skewed alternator construction
D Digital voltage regulator with ±1.0% no-load to full-load
RMS regulation
D Rotating-field alternator with static exciter for excellent
load response
Application Data
Engine
Engine Specifications 14RESAL 20RESAL
Manufacturer Kohler
Engine: model, type CH740
4-Cycle
CH1000
4-Cycle
Cylinder arrangement V-2
Displacement, cm
3
(cu. in.) 725 (44) 999 (61)
Bore and stroke, mm (in.) 83 x 67
(3.27 x 2.64)
90 x 78.5
(3.54 x 3.1)
Compression ratio 9:1 8.8:1
Main bearings: quantity, type 2, Parent Material
Rated RPM 3600
Max. engine power at rated rpm, kW (HP)
LP vapor, 60 Hz 17.6 (23.6) 23.0 (30.9)
Natural gas, 60 Hz 15.3 (20.5) 20.2 (27.1)
Cylinder head material Aluminum
Valve material
Steel/Stelliter
Piston type and material Aluminum Alloy
Crankshaft material Heat Treated, Ductile Iron
Governor: type Electronic
Frequency regulation, no load to full load Isochronous
Frequency regulation, steady state ±0.5%
Air cleaner type Dry
Exhaust
Exhaust System 14RESAL 20RESAL
Exhaust temperature exiting the
enclosure at rated kW, dry, _C(_F)
260 (500)
Engine Electrical
Engine Electrical System 14RESAL 20RESAL
Ignition system Electronic,
Capacitive Discharge
Starter motor rated voltage (DC) 12
Battery (purchased separately):
Ground Negative
Volts (DC) 12
Battery quantity 1
Recommended cold cranking amps:
(CCA) rating for --18_C(0_F)
500
Group size 51
Lubrication
Lubricating System 14RESAL 20RESAL
Type Full Pressure
Oil capacity (with filter), L (qt.) 1.9 (2.0) 2.8 (3.0)
Oil filter: quantity, type 1, Cartridge
Oil cooler Integral
Fuel Pipe Size
Minimum Gas Pipe Size Recommendation, in. NPT
Pipe
Length,
m (ft.)
14RESAL 20RESAL
Natural
Gas
193,000
Btu/hr.
LP Vapor
203,000
Btu/hr.
Natural
Gas
281,000
Btu/hr.
LP Vapor
340,000
Btu/hr.
8 (25)
3/4 3/4 1 3/4
15 (50) 1 3/4 1 1
30 (100) 1 1 1 1/4 1
46 (150) 1 1/4 1 1 1/4 1 1/4
61 (200) 1 1/4 1 1 1/4 1 1/4