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62-61753-21
3-8
3.6
START-STOP OPERATION
COOL
DEFROST
ALARM
START-STOP
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A
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P
M
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X
O
B
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ALARM LIST
SELECT
MANUAL
DEFROST
S
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START/STOP MODE SELECTED
START--STOP/
CONTINUOUS
1. Press the START--STOP / CONTINUOUS key until the
START--STOP Light on the microprocessor illuminates.
2. Verify that “START/STOP MODE SELECTED” is displayed on the MessageCenter and that the START-
STOP light is illuminated. The unit is now in Start-Stop operation.
START--STOP
LIGHT
+34.5
°
F
--20.0
Start-Stop is provided to reduce fuel or power con-
sumption. This feature allows full automatic control of
the unit starting and stopping by monitoring refrigerat-
ed compartment temperature, battery charging amps
and engine coolant temperature (Engine Operation
only). The main function of Start-Stop Operation is to
turn off the refrigeration system near setpoint to pro-
vide an efficient temperature control system and to
initiate a restart sequence after certain conditions are
met. The Start-Stop/Continuous key is pressed to se-
lect between Continuous Run and Start-Stop Opera-
tion. The corresponding LED will be iluminated. Refer
to
Section 4.3 for more detailed information on Start-
Stop Operation.
The microprocessor may be configured with Start-Stop
operation tied to the set point ranges for frozen and
perishable loads. The Start/Stop-Continuous key is
locked out if "START-STOP LOCKED" displays in the
MessageCenter when the key is pressed and the unit
is in Start-Stop Operation or "CONTINUOUS
LOCKED" displays in the MessageCenter when the
key is pressed and the unit is in Continuous Run Op-
eration. Refer to Section 5.1.1 for Configuration infor-
mation.
If the unit fails to start after three start attempts,
"FAILED TO START-AUTO MODE" alarm will be acti-
vated. While running, if the unit shuts down, an internal
counter keeps track of the shutdowns. Should the unit
shut down three consecutive times without running a
minimum of 15 minutes between shutdowns, the
"FAILED TO RUN MINIMUM TIME" Alarm will be acti-
vated. The shutdown counter is cleared when the unit
has run for 15 minutes.
NOTE
In Standby Operation, the unit will stop for a
minimum of 5 minutes instead of 15 minutes.
3.6.1 Start-Stop Parameters
The selectable parameters used by the microproces-
sor to determine when the unit will start or stop in-
clude:
MINIMUM RUN TIME
MINIMUM OFF TIME
OVERRIDE TEMP
MAXIMUM OFF TIME
FROZEN SHUTDOWN OFFSET
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