Product Manual

Owner’s Manual for Mobile Generator 33

Operation

transfer switch automatically returns the load back to the

normal source when power is restored back to operating

levels.

Figure 3-10. Transfer Switch Operation

Using Extended Run Fuel and

DEF System (If Equipped)

See Figure 3-11. Four components comprise the

extended run fuel and DEF system.

Figure 3-11. Extended Run Fuel and DEF System—

Connection Panel Components

1. Verify unit is OFF.

2. If connecting external DEF tank, ensure external

DEF tank pump and heating system are compatible

with electrical interface (D).

IMPORTANT NOTE: For external DEF tank heating, the

50A-125/250VAC twist-lock plug from tank manufacturer

must be plugged into generator.

3. Start unit. Verify controller displays status

Generator Available.

4. Connect external tanks to appropriate inputs (A, B).

NOTE: Double-check hose connections—verify secure

connection to respective inputs (A, B).

A Incoming utility power

Emergency distribution panel (generator

power)

C Main distribution panel (utility power)

D Transfer switch

E Power from generator

F Utility meter

WHITE Incoming utility power

GRAY Normal utility power circuit

BLACK Emergency generator power circuit

002807

A External DEF Input

9/16-18 37° flare fitting (male)

B External Fuel Input

1 1/16-12 37° flare fitting (male)

C System enable switch

D DEF Transfer Power Bulkhead Connector

Deutsch HD34-18-14PN

For external DEF pump and heating system

009301