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13-20-604 Page 55
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.
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
AirSmart 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 Air Pilot
Controller.
11. Aftercooler
is
frozen
11.
Thaw out. This machine
cannot operate in
temperatures below 32
°
F
(0
°
C).
High discharge air
temperature
1.
Dirty or clogged cooler
face.
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.
4.
Add oil to proper level.
5. Faulty
temperature
sensor.
5. Replace
sensor.
6. Thermostatic
mixing
valve
stuck open.
6.
Repair 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.
Summary of Contents for INTEGRA EFD99E
Page 11: ...13 20 604 Page 10 Figure 1 2 COMPRESSOR ILLUSTRATION 300EFD797 B Ref Drawing ...
Page 30: ...13 20 604 Page 29 Figure 4 3 WIRING DIAGRAM FULL VOLTAGE 308EDE46 A Ref Drawing Page 1 of 2 ...
Page 31: ...13 20 604 Page 30 308EDE46 A Ref Drawing Page 2 of 2 ...
Page 32: ...13 20 604 Page 31 Figure 4 4 WIRING DIAGRAM WYE DELTA 309EDE546 A Ref Drawing Page 1 of 2 ...
Page 33: ...13 20 604 Page 32 309EDE546 A Ref Drawing Page 2 of 2 ...
Page 34: ...13 20 604 Page 33 Figure 4 5 WIRING DIAGRAM LESS STARTER 310EDE546 A Ref Drawing Page 1 of 2 ...
Page 35: ...13 20 604 Page 34 310EDE546 A Ref Drawing Page 2 of 2 ...
Page 59: ......