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DTX10 - DTX80 USER GUIDE
7.
Shutdown Procedures
Isolation
1.
Allow dryer to reach repressurization step and fully repressurize
2.
While fully repressurized, remove power from the dryer by turning off disconnect.
3.
Open bypass pipe.
4.
Close outlet isolation valve.
5.
Close inlet isolation valve.
Depressurization
1.
Open bypass piping.
2.
Close outlet isolation valve.
3.
Close inlet isolation.
4.
Allow dryer to run. The normal cycle will allow both tanks to blow down and depressurize.
5.
Disconnect power.
6.
With the “Basic Filter Package” dryers, open manual ball valves on filters to allow full
depressurization. Leave ball valves on filters open while servicing. Without the “Basic Filter
Package”, close control air filter off. Remove nylon tubing from control air filter or any control
solenoid. Reopen control air filter to fully depressurize. Leave control tubing off while servicing.
To restart, follow “Start-Up” procedure. IMPORTANT! Always remove all pressure and disconnect
all power before servicing the dryer.
IMPORTANT!
If DDS is installed and the dryer will be out of service for an extended period of time,
remove the probe and store in a safe, dry location. The probe will be damaged if exposed to prolonged
periods of saturated conditions.
