Technical data

4.4 - 7.7 - 11.1 - 12.5 KW GENERATOR SETS
TECHNICAL DATA
4.4KW 115 VAC 34.7 AMP at 115 VAC
7.7 KW 115 or 115/230 VAC 33.5 AMP at 230 VAC
11.1KW 115 or 115/230 VAC 48.2 AMP at 230 VAC
12.5KW 115 or 115/230 VAC 54.3 AMP at 230 VAC
Frequency 60 Hz
RPM 1800
Voltage
Normal 115 VAC 230 VAC
Maximum - No load 132 VAC 264 VAC
Minimum - Full load 108 VAC 216 VAC
Excitation Voltage 115 VAC
Separately Excited 12 VDC to Field (Approximately 50 to 70 VAC)
Field Coil Resistance
4.4KW 32.5ohms +/-1.7 ohms
7.7KW 22.2 ohms +/-1.2 ohms
11.1KW 14.2 ohms +/-0.7 ohms
12.5KW 14.2 ohms +/-0.7 ohms
Armature resistance Less than 1 ohm Ring to Ring (1-3 and 2-4)
TROUBLESHOOTING
No output Check for loose or open connections
Check rectifier
Check winding resistance, opens and grounds
Separately excite and check output
Low voltage - no load Check speed (1800 RPM nominal)
Check generator load
Check for loose connections
Check rectifier
Check winding resistance
Low voltage - full load Check speed (1800 RPM nominal)
Check generator load
Check for loose connections
Check winding resistance