Firman T04073, Operator'S Manual, Page: 37 / 144

SPECIFICATIONS
Model
Rated AC Voltage
Phase
Power Factor
Voltage Regulator
Alternator Type
Running Watts*
Starting Watts
Engine
Engine Type
Displacement
Low Oil Shutdown
Ignition System
Starting System
Fuel
Capacity Fuel Tank
Lubricating Oil Capacity
Carburetor Type
Air Cleaner
P.T.O. Shaft Rotation
120/240V
T04073
4000(GAS )/3600(LPG)/3200(NG) OLINE
AVR
Single
1
Single Cylinder, 4-Stroke OHV Air Cooled
223cc
Breakless Ignition Type, Flywheel Magneto
Unleaded Automotive Gasoline/LPG/NG
5.0 U.S. Gallons (19L)
20.3 oz (0.6L)
Counter Clockwise (Facing P.T.O.)
Float
Brushed
Polyurethane Type
Yes
5000(GASOLINE)/4500(LPG)/4000(NG)
FIRMAN
Rated Fequency
60Hz
Oil Type See “Add Engine Oil” Section
Recoil/Electric Start
English Customer Service: 1-844-FIRMAN1
AC Grounding System
7-11 inches water column (0.25-0.40 psi)(13-20mm mercury)(1.7-2.7 kpa)
36
Troubleshooting – Specifications
*
Generator certified in accordance with CSA (Canadian Standards Association) standard C22.2No. 100-14,
Motors and Generators and complies with PGMA (Portable Generator Manufacturers’ Association) standard
ANSI/PGMA G300-2018, Safety and Performance of Portable Generators.
Natural gas fuel pressure range
Neutral Bonded To Frame
Natural gas fuel consumption
No Load Half Load Full Load
3
19.35ft
3
/hr(0.54m /hr)
3
58ft
58,764 BTU/h (17,218 W)
3
/hr(1.7m /hr)
3
43ft
43,000 BTU/h (6,301 W)
3 /
hr(1.2m /hr
)
LPG fuel consumption
3
27.2ft
67,733 BTU/h (19,845 W)
/hr(2.8L/hr) 3
17.5ft
43,542 BTU/h (12,757 W)
/hr(1.8L/hr)
3
7.8ft
19,500 BTU/h (5,715 W)
/hr(0.8L/hr)
19,350 BTU/h (5,670 W)