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Screen
Screens 15-27 require access
code 754.
SCREEN 20 (Set up Screen)
MDC Option
SCREEN 21 (Set up Screen)
SCREEN 22 (Set up Screen)
Setback Temperature Option
Function
Control Function Descriptions
(continued)
This screen shows the time delay setting
for the conveying blower on the MDC.
This is the minimum time the MDC will
wait before starting another load cycle.
This screen shows how the dryer is set to
index the bedplates, on Time "tim"or
Dewpoint "dew". To have the selection for
indexing on Dewpoint, the PM1 option
must be installed. By pressing the + or -
keys, the setting can be changed. When the
dryer is set to index on Dewpoint, it will
index on time (20 min.) for the first 3
indexes so that the desiccant tanks have
time to dry out. Then it will index on dew-
point. The regeneration cycle will still be
20 min. If at the end of the 20 min. regen-
eration cycle the process dewpoint is still
below the setpoint the dryer will turn off
the regeneration blower and heater and
wait for the process dewpoint to reach its
setpoint. If, however, the process dew-
point stays below setpoint for 2 hrs., the
dryer will index automatically.
This screen is the Setback Temperature
Band screen. This temperature is the
amount the return air out of the hopper has
to drop below the activate setback temper-
ature before the original process tempera-
ture is restored. For example, if the acti-
vate setback temperature was 180
°F
(82.2°C) and the dryer was in setback. The
actual temperature measured at the outlet
to the hopper would have to drop below
160
°F (71°C)to restore the original process
setpoint.
tim
C07
C
20
C08
C
10
C06
C
4-10 l Operation
Central
When supplied for
central drying appli-
cations, this function
is not available.
Central
When supplied for
central drying appli-
cations, this function
is not available.