62-11039
4-4
NOTE
In the event that different values for both Per-
ishable and Frozen Start--Stop times are se-
lected in the Functional Parameter list, then the
Configuration is changed from Separate to To-
gether. The values from the Perishable times
will be the ones that will be used.
4.2.6 Charging Amps
A Configuration for Start--Stop Shutoff exists which
allows the microprocessor to monitor battery charging
amperage in addition to battery voltage. The battery
charging rate (as seen in the Data List) must be below
the selected amp setting to allow the unit to cycle off.
The Configuration may be set from 1.0 to 10.0 Amps in
0.5 amp increments. A weak or defective battery may
show a suitable voltage charge while the alternator is
putting a high charging rate into it, then not be
sufficiently charged to restart the engine at the end of a
Start-Stop Off Cycle.
The factory setting for this configuration is 6.5 amps.
This is a general setting that may need to be adjusted for
the operating environment of the unit. Units operated in
colder ambient temperatures may want to decrease this
setting to force a higher charge in the battery prior to
Start-Stop Off Cycle. Units operated in warmer ambient
temperatures may use a higher setting.
As a battery ages, it is normal for it to require longer
re-charging periods. If the running time is gradually
increasing in Start-Stop operation due to the battery
requiring a longer charging period, this run time may be
shortened by raising the amp setting. (This may be
seen by reviewing downloaded data and looking at the
amp reading during prolonged engine Start-Stop On
Cycles.)
4.2.7 Restart Voltage
A configuration for Start--Stop Restart on Battery
Voltage allows the microprocessor to restart the unit
when the voltage selection has been reached.
The Configuration may be set from 11.5 to 12.8 Amps in
0.1V increments. The factory setting for this
configuration is 12.2VA.
A lower voltage selection may result in a longer off cycle
(based on battery voltage) and possibly overall shorter
battery life. A higher voltage selection may result in a
shorter off cycle (based on battery voltage) and possibly
overall longer battery life.
4.3 CONTINUOUS RUN OPERATION
In the Continuous Run mode, the engine will not shut
down except for safeties or if the engine stalls. Continuous
Run operation is normally used for fresh produce and
other sensitive product loads. The Start-Stop/Continuous
key is pressed to switch between Continuous Run and
Start-Stop operating modes.
NOTE
The microprocessor may be locked so that the
unit will always operate in Start--Stop or in Con-
tinuous Run whenever the setpoint is within a
specific range. Refer to Section 4.5 -- Range
Lock for additional information.
NOTE
The unit will remain in low speed until water
temperature reads 79
°
F (26
°
C) in Continuous
Run Mode. High Speed Delay can be changed
from OFF to 255 minutes. Refer to Functional
Parameters in Section 3.16.
4.4 TEMPERATURE CONTROL
4.4.1 COOL MODE
When Compartment 1 is calling for cool (box
temperature is above setpoint), the EVXV will open to
the appropriate position and allow refrigerant to flow into
Compartment 1 evaporator.
When either the second or third compartment(s) are
calling for cool, the LSV for that compartment(s) will be
energized to allow refrigerant to flow into the evaporator
for that compartment.
For compartments with setpoints in the perishable
range [greater than 10
°
F (--12.2
°
C)]
When compartment 1 temperature reaches 1.5
_
F
(0.8
°
C) above setpoint, the EVXV will close to 0%.
When the second or third compartment temperature
reaches 1.5
_
F (0.8
°
C) above setpoint, the LSV for that
compartment will de--energize. Should all compartment
temperatures reach setpoint and stop cooling, the
compressor will turn off.
If the temperature within a compartment that has cycled
off should rise to 3.5
_
F (1.9
°
C) above setpoint, the
compartment will begin to cool again.
For compartments with setpoints in the frozen range
[less than 10
_
F (--12.2
°
C)] operating in Continuous
Run:
When temperature in compartment 1 reaches 3.5
_
F
(1.9
°
C) below setpoint, the EVXV will close to 0%.
When the second or third compartment temperature
reaches 3.5
_
F (1.9
°
C) below setpoint, the LSV for that
compartment will de--energize. Should all compartment
temperatures reach setpoint and stop cooling, the
compressor will turn off.
If the temperature within a compartment that has cycled
off should rise to setpoint that compartment will begin to
cool again.
For compartments with setpoints in the frozen range
[less than 10
°
F(--12.2
°
C)] operating in Start/Stop:
When temperature in compartment 1 reaches setpoint,
the EVXV will close to 0%. When the second or third
compartment temperature reaches setpoint, the LSV
for that compartment will de--energize. Should all
compartment temperatures reach setpoint and stop
cooling, the compressor and engine will turn off.
If the temperature within a compartment that has cycled
off should rise to 1
_
F (0.6
°
C) above setpoint, the
compartment will begin to cool again.
Содержание VECTOR 1800 MT
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