Magnum MMG75D Manual do Operador descarregar pdf (Página 32)

OVERCRANK SHUTDOWN

1. Check the fuel level in the tank.

2. Check for proper operation of the fuel pump.

3. Check the air filter for blockage.

4. If the engine will not start, consult the engine operator’s manual for additional information on trouble-

shooting starting problems.

OVERSPEED OR UNDERSPEED SHUTDOWN

1. Disconnect all loads and restart the generator. Read the frequency (Hz) on the LCD display. With no

loads on the generator, the frequency should read 60.0 Hz.

2. If the frequency is above or below 60.0 Hz, the engine speed will have to be adjusted. Refer to the engine

operator’s manual for throttle adjustments on mechanically governed units and refer to the electronic

governor manual for electronically controlled units.

GENERATOR OUTPUT CONNECTION LUGS

The generator is equipped with connection lugs behind the lug box door located on the lower portion of the control

box. The lugs provide connection points for attachment of external loads to the generator. A large decal on the inside

of the connection lug door details the proper connections for selected voltages.

WARNING

It is HIGHLY RECOMMENDED that only a trained and licensed electrician perform any

wiring and related connections to the generator. Installation should be in compliance

with the National Electrical Code (NEC) as well as any local or state guidelines as

required by law. Failure to follow proper installation requirements may result in

equipment or property damage, personal injury, or death.

WARNING

Before any connections are made to the generator, make sure that the main circuit

breaker and control power switch are in the “OFF/O” position. Potentially lethal

voltages may be present at the generator connection lugs.

DANGER

IMPROPER OR INCORRECT CONNECTIONS TO A BUILDING’S ELECTRICAL SYSTEM

CAN CAUSE POTENTIALLY LETHAL VOLTAGES TO BACKFEED INTO UTILITY LINES.

THIS MAY RESULT IN INJURY OR ELECTROCUTION TO UTILITY WORKERS NEARBY.

MAKE SURE THE GENERATOR IS SUPPLYING POWER TO AN ISOLATED OBJECT

OR BUILDING THAT IS NOT CONNECTED TO ANY UTILITY LINES.

Connections to the lugs should be made by running the power cables up through the slot in the bottom of the box.

Use a hex-wrench to tighten the cable connections. The connection lug door is equipped with safety interlock switches

that will trip the main circuit breaker and disable the voltage regulator if the door is opened while the unit is operating.

WARNING

Never attempt to disable or modify the lug door safety switches. Equipment damage,

personal injury or death may result.

A ground connection is located next to the connection lugs. The unit MUST HAVE this ground lug connected to a

good earthen ground for proper operating safety. The generator neutral is bonded to ground when it is shipped from

the factory. The bonding plate will need to be removed when the generator is used as a standby power source.

INSTALLATION SHOULD BE IN COMPLIANCE WITH THE NATIONAL ELECTRICAL CODE (NEC), AS WELL

AS ANY STATE OR LOCAL GUIDELINES OR CODES.

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