Table 1-2 Auto Restart Preset Values

Indicator

Preset Value

Description

 

 

 

Overspeed

2100 RPM

Overspeed is the point at which the unit will signal for shutdown

 

 

 

Crank Disconnect

700 RPM

Crank Disconnect is the point at which the auto restart module

senses the engine has started and will disengage the starter

 

 

 

 

 

Shutdown Lockout

15 seconds

The oil pressure and water temperature inputs are ignored during

Delay

this 15 second delay (after start up)

 

 

 

 

 

30 seconds

The delay is used during start up. The intake heater delay begins

Intake Heater Delay

preheat

timing after the auto restart module signal is received. During the

3 minutes

entire delay, the intake heater circuit will be energized, an indicator

 

light will be illuminated, and an alarm will sound. When the delay

 

postheat

 

expires, the unit will crank.

 

 

 

 

 

Crank Attempts

18 attempts

A series of six attempts with three attempts in each series

(total of 18 attempts)

 

 

 

 

 

Table 1-3 Auto Restart Sequencing

*Engine crank and rest is repeated three times each series unless the engine starts.

 

Intake

 

Engine

Engine

Series

Heater

Fuel

Crank

Rest

Attempt

Energized

Solenoid

Duration

Duration

Number

in

Engaged

(Seconds)

(Seconds)

 

Seconds

 

 

 

 

 

1

30

X

Up To 15

25

2

30

X

Up To 15

25

3

30

X

Up To 15

25

Engine Status

If the engine starts:

a. Run sequence begins

b. Intake heater remains energized for 3 minutes

If the engine fails to start:

a.Intake heater will de--energize.

b.Fuel solenoid will de--energize.

c.Crank output will de--energize.

d.Overcrank LED will flash once. Wait two seconds and repeat.

e.Unit will rest 30 minutes and proceed to the next series.

If the engine starts:

a. Run sequence begins.

b. Intake heater remains energized for 3 minutes.

If the engine fails to start:

a.Intake heater will de--energize.

b.Fuel solenoid will de--energize.

c.Crank output will de--energize.

d.Overcrank LED will flash twice. Wait two seconds and repeat.

e.Unit will rest 30 minutes and proceed to the next series.

If the engine starts:

a. Run sequence begins. If the engine fails to start:

a.Intake heater will de--energize.

b.Fuel solenoid will de--energize.

c.Crank output will de--energize.

d.Overcrank LED will flash three times. Wait two seconds and repeat.

e.Unit will rest five hours and proceed to the next series.

1--9

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Carrier 69UG15 manual Auto Restart Preset Values Indicator Description, Auto Restart Sequencing, Intake Engine Series, Fuel