13-25-608 Page 81
SYMPTOM
POSSIBLE CAUSE
REMEDY
Compressor starts too
slowly
1.
[FS] Wye Delta switch
time set too long.
1.
Contact your Gardner
Denver distributor.
2.
Minimum Pressure Valve
is faulty.
2.
Inspect and/or replace.
3.
Supply voltage is too low.
3.
Check the supply voltage.
4.
Acceleration time on vfd
set tool long.
4.
Contact GD for help.
Compressor does not
reach load pressure
1.
Restricted air filter.
1.
Clean or replace filter.
2.
Partially closed inlet valve.
2.
Inspect, clean or replace
inlet valve.
3.
Minimum pressure valve
stuck closed.
3.
Inspect, clean or replace
inlet valve.
4.
Oil separator clogged.
4.
Replace.
5.
Condensate drain valve
remains open.
5.
Inspect, clean or replace
drain valve.
6.
Leaks in the compressed
air system.
6.
Check for leaks, fix any
leaks found.
7
Pressure limits incorrectly
set.
7
Check/correct pressure
limits in the AirSmart
Controller.
High discharge air
temperature
1.
Dirty or clogged cooler
core or fins.
1.
Clean cooler.
2.
Insufficient cooling air
flow.
2.
Provide unrestricted
supply of cooling air.
3.
Clogged oil filter or cooler
(interior).
3.
Replace filter or clean
cooler.
4.
Low compressor oil level.
4.
Add oil to proper level.
5.
Faulty temperature
sensor.
5.
Replace sensor.
6.
Thermostatic mixing valve
stuck open.
6.
Inspect and/or replace
valve.
Excessive oil
consumption
1.
Oil carryover through
lines.
1.
See
“Oil Carryover”, in this
section.
2.
Oil leaks at all fittings and
gaskets.
2.
Tighten or replace fittings
or gaskets.
3.
Shaft seal leaking.
3.
Inspect shaft seal
scavenge orifice
Summary of Contents for APEX25-30A
Page 11: ...13 25 608 Page 10 Figure 1 2 COMPRESSOR ILLUSTRATION VARIABLE SPEED 304USC797 A Ref Drawing...
Page 12: ...13 25 608 Page 11 Figure 1 3 COMPRESSOR ILLUSTRATION FIXED SPEED 305USC797 A Ref Drawing...
Page 27: ...13 25 608 Page 26 Figure 4 2 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 1 of 4...
Page 28: ...13 25 608 Page 27 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 2 of 4...
Page 29: ...13 25 608 Page 28 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 3 of 4...
Page 30: ...13 25 608 Page 29 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 4 of 4...
Page 31: ...13 25 608 Page 30 Figure 4 3 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 1 of 4...
Page 32: ...13 25 608 Page 31 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 2 of 4...
Page 33: ...13 25 608 Page 32 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 3 of 4...
Page 34: ...13 25 608 Page 33 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 4 of 4...
Page 45: ...13 25 608 Page 44 Figure 4 7 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 1 of 3...
Page 46: ...13 25 608 Page 45 Figure 4 8 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 2 of 3...
Page 47: ...13 25 608 Page 46 Figure 4 8 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 3 of 3...
Page 51: ...13 25 608 Page 50 Figure 4 8 PIPING AND INSTRUMENTATION ILLUSTRATIONJ 301USC797 C Ref Drawing...
