4-12 l Operation
Screen
Screens 15-27 require access
code 754.
SCREEN 26 (Set up Screen)
SCREEN 27 (Set up Screen)
Precooler Option
Screen 28-43 require access
code 755.
SCREEN 28 (Test Mode Screen)
Function
Control Function Descriptions
(continued)
Reserved function. This should always be
off.
This screen shows how the precooler is set
to operate. If it is set to "Off" the control
assumes the precooler is not installed in
the process line and will not control well
below 150
°F {66°C}. If the screen is set to
"On" the control will assume the precooler
is connected in the process line and will
only allow setpoints from 100 to 150°F
{38 to 66
°C}. The control will also
assume that the water flow rate is set
manually with a ball valve and make no
attempt to control water flow. The pre-
cooler option must be installed for this
screen to appear.
NOTE: If this function is set to Off, make
sure the water to the precooler is turned off.
This is the Test Mode screen for the
process blower. By pressing the (+) or (-)
keys, the setting can be changed. When
set to "On", the process blower output will
be turned on for 3 seconds and then shut
off automatically.
off
C13
C
off
1
H
off
C12
C
When supplied for
central drying appli-
cations, these func-
tions are not available.
✐
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