3–25
62-11640
Table 3–2 Functional Parameters
FUNCTION
PARAMETER
SELECTIONS
DESCRIPTION
NOTES:
• Selections in
BOLD
are the default settings.
• Any Function displayed with an asterisk (*) has been locked using the TRU-Tech program and cannot
be changed using the display mounted keys.
ECONOMY SETTINGS
FUEL SAVER (ECO)
MODE
NO
YES
NO = When in Continuous Operation, control for maximum
temperature protection.
YES = When in Continuous Operation, control for maximum
fuel economy.
LOW SPEED DELAY
S/S:
0 MINS TO 255MINS (in 1
minute increments)
10 MIN
Select the length of time the unit is to remain in low speed after
starting, before transitioning to high speed, when in Start-Stop
Operation.
LOW SPEED DELAY
CONT:
0 MINS TO 255MINS (in 1
minute increments)
0 MIN
Select the length of time the unit is to remain in low speed after
starting, before transitioning to high speed, when in Continu-
ous Operation
TEMPERATURE SETTINGS
DEFROST TIMER
SET FOR
1.5HRS
3HRS
6HRS
12HRS
The defrost timer will automatically put the unit into the defrost
cycle at the interval selected if DTT is below 40°F (4.4°C) or
the SAT is below 45°F (7.2°C).
Shorter times are generally used for warm, humid products like
produce.
Longer times can be used for dry and frozen products.
NOTE
The timer increments time toward the next defrost
only when the DTT is below 40°F and the unit is
running.
TEMP CONTROL
RETURN AIR
SUPPLY AIR
The evaporator has both a Return Air Sensor and a Supply Air
Sensor.
RETURN AIR = With this setting the unit will operate so that
the return air (air entering the evaporator) will be controlled to
setpoint. Return air temperature is generally considered to be
a good sampling of the actual product temperature.
SUPPLY AIR = The unit will operate so that the supply air (air
leaving the evaporator) will be controlled to setpoint whenever
the setpoint is in the perishable range (greater than 10.4°F (-
12°C). When the setpoint is in the frozen range the unit will
control the return air as described in the preceding Return Air
choice.
OUT OF RANGE
ALARM
Metric English
OFF OFF
2°C 4°F
3°C 5°F
4°C 7°F
The value entered here is the number of degrees away from
setpoint the temperature may drift before it is considered “Out-
Of-Range” and the configured alarm or alarm and shutdown
action will be activated. Refer to Alarm
for more information
Summary of Contents for Vector 8500
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