Bedienungsanleitung Generac MMG175DI4 (Seite 37 von 68) (Englisch)

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Operation

33722 D MMG130DI4/175DI4/205DI4 Operating Manual 31

MAIN CIRCUIT BREAKER

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

OFF (O), power is interrupted between the connection lugs, the optional cam lock

receptacles, and the generator. Once the connections have been made to the

connection lugs or the optional cam lock receptacles, and the unit has been started

and allowed to reach normal operating temperature, the breaker may be switched ON

(I).

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

and the optional cam lock receptacles if any of the following items occur while the unit

is running:

1. Overload of the generator circuits to the connection lugs or the optional cam

lock receptacles (208/120V only).

2. The door covering the connection lugs or the optional cam lock receptacles is

opened.

3. If the emergency stop switch is activated.

4. LARGE MMG - If the door to the reconnect box (link board) is removed.

Make sure any problems that cause the main circuit breaker to trip are corrected before turning the switch ON (I).

The main circuit breaker interrupts power to the connection lugs and the optional cam lock

receptacles only. The control panel receptacles have power even if the main circuit breaker

is OFF (O). To disconnect power to these receptacles, use the individual circuit breakers

located near each receptacle.

EXHAUST FILTER CLEANING OPERATIONS

When enabled, the exhaust filter system goes through an automatic cleaning process known as regeneration. Under

normal circumstances, regeneration occurs without interruption of unit operation and with minimal operator involve-

ment. In the event there are conditions requiring the operation of the unit with the auto exhaust filter cleaning disabled,

the operator may be required to perform procedures to enable or disable the auto exhaust filter cleaning. The operator

may also be required to perform a manual regeneration. The following procedures describe how to perform these

functions.

WARNING

The area above and surrounding the exhaust system during an auto or manual exhaust

filter cleaning should be clear of any people and objects. Exhaust gases and compo-

nents can reach temperatures hot enough to ignite and melt common materials.

Note: Always park the unit in a safe location for elevated exhaust temperatures and check for adequate fuel level

before beginning the exhaust filter cleaning process. The cleaning cycle can take an extended period of time

(approximately 45 minutes). Cleaning is complete when the Regeneration indicator remains off.

TRANSFER SWITCH

The generator neutral is bonded to ground when shipped from the factory. The bonding

plate will need to be removed when the generator is used as a standby power supply.

Installation should be in compliance with the National Electrical Code (NEC), state and local

regulations.

On/I

Off/O

00452

Figure 3-9. Main

Breaker

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