Magnum MMG75D Manual del operador descargar pdf (Pagina 36)

VOLTAGE REGULATION

The electronic voltage regulator controls the output of the generator by regulating the current into the exciter field.

The regulator has six screwdriver adjustable potentiometers that may be adjusted for U/F dip, under frequency

protection (U/F), droop, stabilty, voltage, and trim. The voltage regulator on your unit is adjusted before shipment

from the factory. Contact Magnum Power Products LLC for additional information before attempting to adjust the

voltage regulator.

Note: For units equipped with a Marathon DVR2000E+ digital voltage regulator, please refer to the Marathon operating

manual provided with the unit.

CONTROL PANEL RECEPTACLES

The generator is equipped with five receptacles. The large receptacles are

240/120VAC twist-lock receptacles rated at 50A each. The smaller recepta-

cles are 120VAC duplex receptacles rated at 20A each with Ground Fault

Circuit Interrupt (GFCI) protection. These receptacles are not routed through

the main circuit breaker. Each receptacle has its own circuit breaker, located

directly above or next to the receptacle. Each breaker is sized to the maximum

rating of the corresponding receptacle.

Power to the receptacles is available any time the

generator is running, EVEN IF THE MAIN CIRCUIT

BREAKER IS “OFF/O”. MAKE SURE THAT ANY

EQUIPMENT CONNECTED TO THE RECEPTACLES

IS TURNED OFF BEFORE TURNING THE BREAKERS

ON. Make sure that the voltage selector switch is in the

proper position and that the output voltage is correct for

the equipment that is connected to the receptacles.

Improper voltage may cause equipment damage or

malfunction.

Note: When the voltage selector switch is in position for 480/277V 3Ø, voltage at the two GFCI duplex receptacles

is 139 volts and the voltage at the three twist-lock receptacles is 240/139 volts. When the shorting board is in position

for 208/120V 3Ø, voltage at the three twist-lock receptacles and the two GFCI receptacles is 208/120 volts.

DERATING FOR ALTITUDE

All units are subject to derating for altitude and temperature; this will reduce the available power for operating tools

and accessories connected to the receptacles. Typical reductions in performance are 2-4% for every 1000 ft. (305

m) of elevation and 1% per 10ºF (5.6ºC) increase in ambient air temperature over 72ºF (22ºC).

REMOTE START TERMINAL BLOCK

The remote start terminal block provides a connection for installation of a remote start

switch which will allow the unit to be started by a remote dry-contact closure switch.

For location of the remote start terminal block, refer to “Main Control Panel Features,

Standard” on page 14

Before entering Auto mode, verify that the contacts on any remote switch linked to the

unit are OPEN. If the contacts on a remote switch are closed, the engine will crank

and start when Auto mode is entered. Attach the switch leads to the two unused

terminals on the unit’s remote start terminal block. For additional information on, refer

to ““Auto” (Remote) Starting of the Generator” on page 28.

Remote Start

Switch Terminals

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 51 52

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Magnum MMG75D Manual del operador Pagina 36

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