Festo PDAD-…-SP-12000 1611c English I 29
1. Close valves A, B, C and D.
2. Switch on the compressor.
3. Slowly open valve A.
Compressed air flows through the
desiccant cartridge and escapes into
the atmosphere via the silencer.
4. Check the dryer for leaks.
5. Commissioning
C
D
O
B
5. Switch on the power supply. All four LEDs on the display panel simultaneously flash
green four times and then red four times to confirm the power supply.
Observe the display panel during an entire operating cycle. The following cycle is
preset in the factory and starts automatically.
(i) The power supply LED POWER and reservoir LED X light up green.
(ii) After 120 seconds the reservoir LED X goes out and the condensate outlet LED Z lights
up green. The condensate drain valve opens for approx. two seconds.
(iii) After a further 50 seconds the condensate drain LED Z goes out and the reservoir LED
Y lights up green.
(iv) After a further 120 seconds the reservoir LED Y goes out.
(v) After a further 50 seconds the reservoir LED X lights up green.
(vi) The cycle described above repeats itself (i – v).
6. Reset the control device with the reset disc included in the service package (see the
chapter about resetting the controller).
7. Leave the dryer to run for at least six hours in order to ensure that the correct pressure
dew point is reached.
8. Slowly open valve B.
Z
X
Y
POWER
Z
X
Y
POWER