Thermo King SR-2 SmartReefer2, Diagnostic Manual

Page: 65 / 431

Section 3 – SR-2 Software Description
High Speed Pulldown
Micro Rev
All
HMI Rev
All
Choices ENABLED or DISABLED
Factory Set ENABLED
Exceptions If OptiSet is active this feature is set
from the OptiSet Menu.
Description This feature allows High Speed Pull
Down for the selected range to be ENABLED or
DISABLED. If High Speed Pull Down is ENABLED,
the unit will run in high speed on initial start until
setpoint is reached in both cool and heat mode. If
High Speed Pull Down is DISABLED, the unit will
switch to low speed cool when the return air
temperature is below low speed switch point value
plus setpoint.
NOTE: There is a two minute delay on initial
startup before high speed operation is allowed.
If Fuel Saver II is ENABLED, there may be a delay
before high speed operation is allowed.
This feature does not apply to modulation operation.
Fresh Frozen Range
Micro Rev
All
HMI Rev All
Choices
24°F (-4°C) or 15°F (-9°C)
Factory Set 24°F (-4°C)
Exceptions If OptiSet is active this feature is set
from the OptiSet Menu. The setting selected is used
for all ranges.
Description The microprocessor uses one set
of control specifications when operating in the Fresh
range and a second set of control specifications
when operating in the Frozen range. Fresh/Frozen
Range Select [FRFZ] allows the line between Fresh
and Frozen range to be set to either 24°F (-4°C) or
15°F (-9°C).
Door Open Forces
Micro Rev
All
HMI Rev
All
Choices OFF or LOG ONLY
Factory Set LOG ONLY
Exceptions The optional door switch must be
installed.
Description If the optional door switch is
installed, this feature allows the Door Open action to
be set. If this feature is set OFF the microprocessor
shuts the unit down and logs the door opening 4
seconds after the door is opened. If the unit is in
defrost when the door is opened, the defrost cycle
will be completed before the unit shuts down.
If this feature is set LOG ONLY the door opening will
be logged after 4 seconds but the unit will continue
to run.
Door openings are logged in both the CargoWatch
and ServiceWatch data loggers. The door switch
must be open or closed for 4 seconds before the
event is logged to prevent false readings.
Door Open Timeout
Micro Rev
All
HMI Rev
All
Choices 1:00 to 4:00 (Hours) in 10 Min
Increments or OFF
Factory Set OFF
Exceptions Only appears if DOOR OPEN
FORCES feature is set OFF.
Description This feature allows the unit to
restart if the door open time exceeds the set limit.
Door Open Timeout for the selected range can be
set to Off or for a time limit from 1 to 4 hours, in 10-
minute increments. If set Off the unit will remain off
until the door is closed. If a time period is selected
the unit will restart and run 4 seconds after the time
period elapses. It will continue to run even if the
door is still open.
3-15
31 January 2005