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Screen
Screens 15-27 require access
code 754.
SCREEN 26 (Set up Screen)
Precooler Option
WARNING: The precooler must NOT
be installed in the process line for
temperature setpoints above 150°F
(65.5°C). The precooler hosing will
absorb too much heat and will result
in poor process temperature control.
SCREEN 27 (Set up Screen)
Precooler Flow Control Option
WARNING: The precooler must NOT
be installed in the process line for
temperature setpoints above 150°F
(65.5°C). The precooler hosing will
absorb too much heat and will result
in poor process temperature control.
Screen 28-43 require access
code 755.
SCREEN 28 (Test Mode Screen)
Function
Control Function Descriptions
(continued)
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 (65.5°C). If the screen is set
to "On" the control will assume the pre-
cooler is connected in the process line and
will only allow setpoints from 100 to
150
°F (37.8 to 65.5°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.
This screen shows how the precooler flow
control is set to operate. The precooler
flow control option must be installed for
this screen to appear. If the screen is set to
"On", the control will assume the precool-
er is installed in the process line and will
only allow setpoints from 100 to 150
°F
(37.8 to 65.5
°C). It will also assume the
water flow solenoid valve is piped in the
water line and the dryer control will regu-
late water flow to control temperature.
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 sec. and then shut off
automatically.
off
C13
C
off
1
H
off
C12
C
4-12 l Operation
Central
When supplied for
central drying appli-
cations, these func-
tions are not available.