Sterlco SDAP 90-225 CFM Series Drying and Conveying Systems - Manual (Page 32)

Page 32 SDAP Series PD 2 to PD 4 Drying and Conveying Systems
4-2 Process Air Dew Point Display
The Dew Point display indicates the current process air delivery moisture content. The display
uses a microprocessor-based controller for reading dew point air temperature. The controller is a
modular, self-contained removable unit in the mounting housing. All parameters are factory-set
and adjusted; no field adjustment to the internal controls is necessary. The high dew point alarm
is also factory adjusted.
4-3 Process Air Temperature Controller
Sterling dryers use a microprocessor-based PID temperature controller for maintaining process
air temperature. The controller is a modular, self-contained unit you can remove from the
mounting housing. All parameters except for the process air set point is factory set and adjusted;
no field adjustment to the internal controls is necessary.
4-4 Machine Loader Timer
Sterling SDAP systems use a solid-state analog-set 1/16 DIN machine loading timer. It has a
large dial for setting convey times and has several timing modes available.
4-5 Optional Drying Hopper Loader Timer
If installed, Sterling SDAP systems use a solid-state analog-set 1/16 DIN drying hopper loading
timer. It has a large dial for setting convey times, and has several timing modes.
4-6 Identifying Temperature Controller LED
Indicators
Process Value Numeric LED
During normal operation, the process value ( PV ) numeric LED indicator displays the process
temperature at the To Process thermocouple. It also lists parameters during setup and error
messages if any errors occur.
Set Value Numeric LED
During normal operation, the set value ( SV ) numeric LED indicator displays the process set
point you selected for the dryer. The dryer then maintains this set point temperature. This LED
indicator also displays parameter and pre-set function values during setup.
—— PV ——
—— SV ——