DEX HEATED REGENERATIVE DRYER
SECTION 6
36
Vessel #2 Re-pressurization
The re-pressurization valve did not
open.
Check the pilot solenoid valve for correct
operation. Check the valve actuator for
correct operation.
Vessel re-pressurized but the
alarm is on.
Check pressure switch PSH-2 for correct
operation.
Low operating pressure during
regeneration
Compressor not running
Check compressor for operation
System manual inlet isolation valve
closed.
Check all manual valves upstream of the
dryer and open as required.
Regeneration heater sheath over
temperature failure
Defective or open circuit
thermocouple.
Replace the thermocouple.
Low or no regeneration blower
flow.
Check the regeneration blower, motor,
motor overloads and inlet filter. Replace as
necessary.
Defective temperature switch.
Replace the temperature switch.
Symptom
Probable Cause
Remedy
Summary of Contents for DEX Series
Page 12: ...12 NOTES ...
Page 16: ...16 NOTES ...
Page 21: ...21 NOTES ...
Page 22: ...DEX HEATED REGENERATIVE DRYER SECTION 5 22 5 9 ID DEX 200 02250195 339 ...
Page 24: ...DEX HEATED REGENERATIVE DRYER SECTION 5 24 5 10 ID DEX 250 300 02250195 340 ...
Page 26: ...DEX HEATED REGENERATIVE DRYER SECTION 5 26 5 11 ID DEX 400 600 02250195 341 ...
Page 28: ...DEX HEATED REGENERATIVE DRYER SECTION 5 28 5 12 P I DEX 200 3500 02250195 360 ...
Page 32: ...DEX HEATED REGENERATIVE DRYER SECTION 5 32 5 14 ELECTRICAL SCHEMATIC 02250195 367 ...
Page 34: ...DEX HEATED REGENERATIVE DRYER SECTION 5 34 ...
Page 38: ...38 NOTES ...
Page 40: ...40 NOTES ...
Page 41: ...Section 9 41 DEX HEATED REGENERATIVE DRYER SPARE PARTS LIST ...
Page 45: ...Section 10 45 DEX HEATED REGENERATIVE DRYER COMPONENT BULLETINS ...
Page 46: ...46 NOTES ...
Page 47: ...NOTES 47 ...