Carrier NDK33BN0KB, Руководство по эксплуатации и обслуживанию

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62-61753-21 4-2
Table 4-1. Glow Time
Engine Coolant Temp
Glow Time in Sec-
onds
SHORT LONG
Less than 0°C (32°F) 15 55
1°C to 10°C (33°F to 50°F) 10 40
11°C to 25°C (51°F to 77°F) 5 25
Greater than 26°C (78°F) 0 10
The second start attempt has 5 seconds of glow time
added to the time shown in the table. The third start
attempt will have 10 seconds added. See Figure 4-1.
If the CHECK ENGINE COOLANT SENSOR alarm is
active, the microprocessor assumes a temperature of
less than 0°C (32°F) for the glow timing.
MAXIMUM
10 Seconds
Checked at 2
Second Intervals
VARIABLE
0 to 55 SECONDS
GLOW
CRANK
GLOW
FIRST
ATTEMPT “A”
SECOND
ATTEMPT
THIRD
ATTEMPT
15 Seconds
STOP
REPEAT “A”
+ 5 Seconds
GLOW
1 5 Seconds
STOP
REPEAT “A”
+ 10 Seconds
GLOW
Figure 4-1. Auto Start Sequence
When the required glow time has elapsed the starter
solenoid relay will be energized for a maximum of ten
seconds while the engine condition is checked each
two seconds during the cranking period. The engine is
considered to be running, and the start sequence will
be stopped, when engine RPM is greater than 1000.
During the second and third attempts, the micropro-
cessor will monitor additional inputs.

When engine RPM reading is less that 1000, ambi-
ent temperature is above 0°C (32°F) and the
ENOPS is closed - the CHECK ENGINE SPEED
SENSOR alarm will be activated and the engine will
be considered running.

When engine RPM reading is less that 1000, ambi-
ent temperature is below 0°C (32°F), the ENOPS is
closed and DC current is more than 2 amps - the
CHECK ENGINE SPEED SENSOR alarm will be
activated and the engine will be considered run-
ning.
If the unit fails to start after three start attempts, the
FAILED TO START-AUTO MODE alarm will be acti-
vated.
4.2.3 Transition To High Speed
After a successful start, the microprocessor may call
for the engine to transition to high speed. Two factors
control this transition.

First, transition may be delayed if a time value is
entered in either the START-STOP HIGH SPEED
DELAY or CONTINUOUS RUN HIGH SPEED DE-
LAY Configuration. The delay may be set to OFF
or
from 0 to 255 minutes. The factory default setting
for Start-Stop Operation is 10 minutes while the
factory default setting for Continuous Operation is
OFF. If the entered value for the present mode of
operation is OFF, high speed operation is not al-
lowed for two minutes following start.

Second, the engine cannot transition if the SILENT
MODE functional parameter is set to YES. The val-
ue may be set to YES or NO. The factory default
setting is NO. (Refer to Section 3.15).
NOTE
The "Selected Probe" is the sensor chosen by
the user as the preferred probe for Tempera-
ture Control. The "Active Probe" is the sensor
actually used by the microprocessor to per-
form the temperature control. The "Active
Probe" will be sensor chosen by the user as
the preferred probe, unless that sensor is not
installed or is defective.
When high speed is allowed, transition will be based
on the difference between the active probe tempera-
ture (APT) and set point (SP) as follows.
When in Start/Stop Operation or in Continuous Opera-
tion with ECO Mode OFF: