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Caution : Damage to the equipment or other properties
z In the event using the equipment to computers, microcomputers incorporated loads and pre-
cision equipment, there is a possibility for them to be mal-functioned or broken down.
<Caution>
z Be sure to use the power cord with crimping terminal to connect to output terminals.
z Volt meter reads the 3-Phase figures, even if the circuit breaker is positioned to OFF , when
the engine is driving.
After the engine starts (Refer to 7-1 Initializing/Preparation , operate the equipment as per the
following procedures.
Turn off the power switch in the load, and then turn the circuit breaker to OFF .
Connect the load to the output terminals or receptacles.
Close the output terminal cover, after finishing connections and fix the cover with bolts.
Turn the circuit breaker to ON .
When finishing the load operation, always turn the circuit breaker to OFF
The Circuit Breaker
Caution : Injuries
z Be sure to turn off the power switch in the load when turning the circuit breaker to ON ,
when the circuit breaker has activated.
When the electric supply exceeds the rated output (overload), the circuit breaker activates to trip
off in order to shut off the circuit. When the load in operation stops, check the breaker. When the
circuit breaker is positioned intermediary ON and OFF , check if the earth leakage indication
lamp turns ON or not. In the case the lamp turning ON, refer to 5-3 Earth Leakage Breaker . In
the case the lamp NOT turning ON, follow the next procedures to restore the circuit breaker.
Turn off all the power switches in the loads.
Turn (Push) down the circuit breaker to OFF once and then turn (push) up the circuit
breaker to ON
<Caution>
z Take care for overload, referring to 9-2 Output Limitation
z When the output selector switch is positioned to ECO and AC power is used, the circuit
breaker trips off to shut down the circuit. Stop using AC power and follow the above proce-
dures to restore the circuit breaker. (DGW311DM only)
10. Simultaneous Use of Welding and Generating
The circuit breaker reacts on the AC power supply circuit only. In the simultaneous use of welding
and generating, there sometimes happens overload to the engine.
Refer to the following table and limit the AC power use.
DGW311DM-(W)220B, DGW311L-(W)220B :
Limitation of AC Power Supply in the simultaneous use of welding and generating (60Hz)