Sullair SD-1050 Series, User Manual

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USER MANUAL
Models SD-820 to SD-1710 with DDS
Rev 04 – October 2005
13

Perform a soap bubble test to check for leaks on all parts of the sample line,
connections and the humidity sample cell.

The digital display will read the dew point of the dryer system. It will take a
period of time for a humidity probe to be purged of humidity and read the correct
dew point.
NOTE: The dryer should be operated in the DRYER ON position at the time of
initial start-up and at all times when the hygrometer or humidity probe are
removed for service.
3.4 SHORT-TERM SHUT-DOWN
Follow this sequence when switching off the adsorption dryer:

First close all the isolation valves up- and downstream of dryer

Then immediately switch DRYER OFF.
Danger!
Dryer will remain pressurized.
3.5 SHUT-DOWN IN CASE OF A FAULT OR FOR MAINTENANCE
Follow this sequence when switching off the adsorption dryer:

First close all the isolation valves up- and downstream of the adsorption dryer,

Depressurize the dryer by using the manual vent valve at the bottom of the
afterfilter,

Then immediately switch DRYER OFF.
Danger!
Before any kind of maintenance or repair work is done, the dryer must
be depressurized and disconnected from the power source.
3.6 RESTARTING

Close the manual vent valve at the bottom of the afterfilter

Slowly open the inlet isolation valve and pressurize the adsorption dryer up to the
regular operating pressure by keeping the isolation valve mounted downstream
of the afterfilter closed.

Switch DRYER ON.