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13–11–602 Page 50
SYMPTOM
POSSIBLE CAUSE
REMEDY
Compressor is low on
1.
Restricted air filter.
1.
Clean or replace filter.
delivery and pressure.
2.
Sticking inlet valve.
2.
Inspect and clean inlet
valve.
3.
Unload pressure adjusted
3.
Adjust the unload pressure.
too low.
See Section 4, page 21.
4.
Minimum pressure valve
4.
Disassemble and clean
stuck closed.
valve.
High discharge air
1.
Dirty or clogged cooler face.
1.
Clean cooler.
temperature.
2.
Insufficient cooling
2.
Provide unrestricted supply
air flow.
of cooling air.
3.
Clogged water injection filter
3.
Replace filter or clean
or cooler (interior).
cooler.
Gardner Denver factory remanufactured replacement compressor air end units
are available from your authorized distributor, on an exchange basis, for all rotary
screw compressor units.
Summary of Contents for TWISTAIR EWDQ D
Page 14: ...13 11 602 Page 4 FIGURE 1 6 AIR WATER SCHEMATIC FIGURE 1 7 OIL SCHEMATIC...
Page 17: ...13 11 602 Page 7 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Page 18: ...13 11 602 Page 8 DECALS 216EAQ077 206EWD077 222EAQ077 221EAQ077 208EAQ077...
Page 35: ...13 11 602 Page 25 FIGURE 4 2 FLOW CHART FOR SET UP PROGRAMMING...
Page 44: ...13 11 602 Page 34 FIGURE 4 6 CONTROL TUBING SCHEMATIC 206EWD797 A Ref Drawing...
Page 48: ...13 11 602 Page 38 FIGURE 4 10 WIRING DIAGRAM FULL VOLTAGE 202EWD546 REF DRAWING...
Page 49: ...13 11 602 Page 39 FIGURE 4 11 WIRING DIAGRAM WYE DELTA 203EWD546 REF DRAWING...
Page 50: ...13 11 602 Page 40 FIGURE 4 12 AUTO SENTRY ES CONTROLLER DISPLAY...
Page 53: ...13 11 602 Page 43 FIGURE 5 2 FLOW DIAGRAM AIR COOLED 202EWD797 B Ref Drawing...
Page 54: ...13 11 602 Page 44 FIGURE 5 3 FLOW DIAGRAM WATER COOLED 203EWD797 A Ref Drawing...
Page 68: ......