Perma Pure GASS-2040 User Manual
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GASS-2040 User Manual | Original Instructions
Figure 7
To use the operator interface, simply press the “select” button until the indicating LED
lights up next to the desired parameter. If the parameter is either the enclosure or dryer
temperature, the current respective temperature is shown. If the parameter is a setpoint value,
pressing the “up arrow” or “down arrow” button will adjust the setpoint value.
Note that the dryer temperature can never be set lower than the enclosure temperature.
For instance:
1. If the enclosure temperature is set to 60
O
C, the minimum dryer setpoint temperature
allowed by the controller is 60
O
C.
2. If the Dryer Temperature setpoint is 60
O
C and the Enclosure Temperature setpoint is
raised above 60
O
C, the Dryer Temperature setpoint is automatically raised to the new
Enclosure Temperature setpoint.
4.2 Operator Interface
The operator interface panel shown in Figure 7 below serves both as a temperature display and a
time and temperature setpoint entry device.
1.
Enclosure Temperature – Current enclosure air temperature in
O
C
2.
Dryer Temperature – Current dryer air exhaust temperature in
O
C
3.
Drain Time Set (Optional feature) - Coalescing filter drain cycle interval time
setpoint. (Default cycle time is 8.0 hrs, Drain time fixed at 6 sec)
Range: 000.0 hrs (Always on for testing purposes) to 999.9 hrs (Disabled)
4.
Enclosure Temperature Set – Enclosure temperature setpoint in
O
C
Range: 0 to100
O
C, Default: 65
O
C
5.
Dryer Temperature Set – Dryer temperature set-point in
O
C
Range: Enclosure Temperature to 110
O
C, Default: 70
O
C
6.
Blow Back Time Set (Optional feature) - Probe filter blowback cycle interval time
setpoint. (Default cycle time is 8.0 hrs, Blowback time fixed at 2 sec)
Range 000.0 hrs (Always on for testing purposes) to 999.9 hrs (Disabled)