Magnum MMG75D Manual del operador descargar pdf (Pagina 35)

Note: UNITS WITHOUT A RECEPTACLE BUCK TRANSFORMER: When the voltage selector switch is in position

for 277/480V 3Ø, voltage at the two GFCI duplex receptacles is 139 volts and the voltage at the three twist-lock

receptacles is 139/240 volts. When the voltage selector switch is in position for 120/208V 3Ø, voltage at the two

GFCI duplex receptacles is 120 volts and the voltage at the three twist-lock receptacles is 120/208 volts. When the

voltage selector switch is in position for 120/240 3Ø (DELTA), voltage at the two GFCI duplex receptacles is 120

volts and the THREE TWIST-LOCK RECEPTACLES SHOULD NOT BE USED. When the voltage selector switch

is in position for 120/240V 1Ø, voltage at the two GFCI duplex receptacles is 120 volts and the voltage at the three

twist-lock receptacles is 120/240 volts.

Receptacles should not be used in the 480/277 voltage setting as the voltage will be higher

and equipment damage could result.

EMERGENCY STOP SWITCH

The unit is equipped with one Emergency Stop switch. For location of the Emergency

Stop switch, refer to “Component Locations” on page 13. The red switch is clearly

labeled “EMERGENCY STOP.” The switch can be accessed and activated with all

doors closed and locked.

Activate the Emergency Stop switch by pushing the red button in until it locks down.

This will trip the main circuit breaker which will open the contact, disconnecting the

load to the connection lugs. This will also open the fuel circuit, shutting down the

engine. The emergency stop fault will be displayed on the control panel.

The switch will remain closed until it is pulled out.

Use the Emergency Stop switch only when the unit must be shut down immediately. For

any other shut down, refer to “Shutting Down the Generator” on page 29.

MAIN CIRCUIT BREAKER

The main circuit breaker is located on the main control panel. When the breaker is in

the “OFF/O” position, power is interrupted between the customer connection lugs and

the generator. Once the connections have been made to the connection lugs and the

generator has been started and allowed to reach normal operating temperature, the

breaker may be switched to the “ON/I” position. Use the breaker handle extension

supplied with this unit to apply additional leverage to the switch.

The main circuit breaker will be tripped, disconnecting power to the connection lugs, if

any of the following items occur while the unit is running:

1. Overload of the generator circuits to the connection lugs (208/120V only).

2. The door covering the customer connection lugs is opened.

3. If the emergency stop switch is activated.

Make sure that any problems that cause the main circuit breaker to trip are corrected before returning the switch to

the “ON/I” position.

WARNING

The main circuit breaker interrupts power to the customer connection lugs only. The

customer receptacles have power even if the main circuit breaker is in the “OFF/O”

position. To disconnect power to the receptacles, use the individual circuit breakers

located near each receptacle.

ON/I

OFF/O

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Magnum MMG75D Manual del operador Pagina 35

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