CUMMINS ED-3 Installationshandbuch PDF herunterladen (Seite 32)

Natural Gas Generator Set Installation Manual-GF Series

Doc. 17855, Rel. 03/2014

4-6

4.7 Coolant Heater (Optional)

CAUTION

The coolant heater must not be operated while

the cooling system is empty or damage to the

heater will occur.

Coolant heaters keep the engine coolant warm when

the engine is shut down. It heats and circulates the

coolant within the engine. This reduces startup time

and lessens engine wear caused by cold starts. It is

electrically operated and thermostatically controlled.

Figure 4-2 shows a typical coolant heater. Connect

the heater to a source of power that will be on during

the time the engine is not running. Be sure the

voltage rating is correct for the heater element rating

and that the thermostat is set to the correct tempera-

ture prior to starting.

1. Coolant Outlet

2. Coolant Inlet

Figure 4-2 Coolant Heater

1. Heater Leads

2. Heater Terminal Box

3. Heater

Figure 4-3 Generator Heater Installation (Typical)

4.7.1 Battery Heater (Optional)

Battery heaters ensure the batteries are ready for

starting the engine in cold standby conditions. They

also protect against condensation during standby and

prevent corrosive damage of electrical components in

high humidity environments. Factory Battery Heater

requires power source to be wired. See owner’s

manual for instructions.

4.7.2 Control Heater (Optional)

Control heaters protect the control cabinet compo-

nents from condensation during standby and prevent

corrosive damage of electrical and mechanical com-

ponents in high humidity environments. Heaters are

available for most PowerCommand Controls models.

Factory Control heater is wired and requires no

further installation at site.

NG-00033

NG-00042

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