Sterlco SDA Series Medium Capacity Dehumidifying Dryer - Manual (Page 22)

Cabinet Series Dehumidifying Dryer 22
Figure 4:
Display Readout for Mode Settings
PV
SV
SV
SV
SV
SV
SV
SV
Menu display
Level 0 mode
Level 1 mode
Level 2 mode
Setup mode
Expansion mode
Option mode
Calibration mode
4-6 Setting the Process Air Temperature
To change the process air temperature set point with the dryer running:
„ Press the Up Arrow button to increase the set point to the temperature you want.
„ Press the Down Arrow button to lower the set point to the temperature you want.
„ Press the Auto-tune button to initiate auto-tuning.
4-7 PLC Controller
The PLC controller uses an Allen-Bradley programmable logic controller (PLC). This “brick”-
type controller has 32 I/O points: twenty (20) inputs and twelve (12) outputs, all inputs and
outputs are 115 VAC.
All programming and logic is factory-installed on an EEPROM chip and cannot be modified. A
battery backup retains programming if power fails. Battery life is five (5) years at room
temperature.
If the alarm indicator blinks intermittently, replace the battery within one week.