Firman WH03662OF, Operator'S Manual, Page: 12 / 47

English Customer Service: 1-844-FIRMAN1 10
FEATURES AND CONTROLS
10. DC 5V A USB Outlet 2.1/1.0
11. Ground Terminal – Consult an electrician or authority having jurisdiction for local grounding
requirements.
12. 120V, 20A Duplex - NEMA 5-20R (Not GFCI protected)
A maximum of 20 Amps current may be drawn from this duplex receptacle.
13. Circuit Breakers – The receptacles are protected by AC circuit protectors. If the generator is
overloaded or an external short circuit occurs, a circuit protector may trip. If tripping occurs,
disconnect all electrical loads and determine the cause before attempting to continue using the
generator. Reset any tripped circuit protectors.
If multiple receptacles are used at the same time, the total current must be kept with-in the
portable generator nameplate rating.
14. 120V, 50A RV – NEMA 14-50R (Not for 240V use)
A maximum of 30.4 Amps current may be drawn from this receptacle.
16. 120V, 30A Twist Lock – NEMA L5-30R
A maximum of 30 Amps current may be drawn from this receptacle.
15. Parallel Operation Outlets - These outlets are used for connecting two FIRMAN inverter
generators for parallel operation. A FIRMAN parallel kit(optional equipment) is required for
parallel operation.
17. Fuel Selector Switch – Use to select and turn on gasoline or LPG fuel source. Fuel (gasoline)
valve is closed when the switch is on “OFF” or “LPG” positions. Engine switch is on when the switch
is on “GAS” or “LPG” positions.
18. Choke Knob – Used to start a cold engine.
19. LPG Hose Connector (Inlet: 3/8" Flare Male) – Used to connect LPG hose to generator.
20. Indicator Light – When the main fuel selector switch is turned to the GAS or LPG position,
the indicator light will turn RED for up to 4 minutes (before going off). Starting the engine
successfully anytime during the 4 minutes will turn the indicator light OFF. See Indicator
light-Battery Power Saving Mode section for more information.