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13-8-639 Page 66
SYMPTOM
POSSIBLE CAUSE
REMEDY
Compressor cycles from
load to unload
excessively
1.
Insufficient receiver
capacity.
1.
Increase receiver size.
2.
Restriction in service
piping.
2.
Inspect and clean service
piping.
3.
Restriction in control
tubing.
3.
Inspect and clean control
tubing.
4.
Plugged aftercooler.
4.
Inspect and clean
aftercooler.
5. Pressure
load/unload
settings set too close.
5.
Set load/unload pressure
settings farther apart.
Compressor runs
unloaded too often
1.
Volume of compressed air
system too small.
1.
Check the volume of the
piping and air receivers.
An additional air receiver
may be required.
2.
Pressure range too
narrow.
2.
Extend pressure range.
Compressor starts too
slowly
1.
Wye Delta switch time set
too long.
1.
Contact your Gardner
Denver distributor.
2. Minimum
Pressure/Check
Valve is faulty.
2.
Repair or replace.
3.
Supply voltage is too low.
3.
Check the supply voltage.
4.
Wrong oil type
4.
Use Gardner Denver
2000, 4000 or 9000SP
Lubricating Coolant.
Compressor is low on
delivery and pressure
1.
Restricted air filter.
1.
Clean or replace filter.
2.
Sticking inlet valve.
2.
Inspect and clean inlet
valve.
3.
Minimum pressure valve
stuck closed.
3.
Replace valve.
4.
Oil separator clogged.
4.
Replace.
5.
Intervals of moisture
separator drainage
incorrectly set.
5.
Check the setting in the
AirPilot controller.
6.
Condensate drain
solenoid valve is faulty.
6.
Replace.
7.
Leaks in the compressed
air system.
7.
Check for leaks, fix any
leaks found.
8.
V-Belts broken.
8.
Replace.
9.
V-Belts slipping.
9.
Test belt tensioning.
10.
Pressure limits incorrectly
set.
10.
Check/correct pressure
limits in the AirPilot
Controller.
11.
Aftercooler is frozen
11.
Thaw out. This machine
cannot operate in
temperatures below 32
°
F
(0
°
C).
Summary of Contents for INTEGRA EFA99F
Page 15: ...13 8 639 Page 15 Figure 2 2 OUTLINE UNIT PACKAGE 300EFA804 A Ref Drawing ...
Page 39: ...13 8 639 Page 39 WIRING DIAGRAMS 3 PHASE ...
Page 40: ...13 8 639 Page 40 WIRING DIAGRAMS 3 PHASE ...
Page 41: ...13 8 639 Page 41 WIRING DIAGRAMS 3 PHASE ...
Page 42: ...13 8 639 Page 42 WIRING DIAGRAMS 1 PHASE ...
Page 43: ...13 8 639 Page 43 WIRING DIAGRAM 1 PHASE ...