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57
TROUbLEShOOTING
7.7
MACHINE SHUTS DOWN WITH AIR DEMAND PRESENT
POSSIbLE CAUSE
REMEDY
Loss of control voltage
Reset breakers. If trouble persists, check transformer voltages.
Low incoming voltage
Consult power company.
Excessive operating pressure
Improperly set control pressure parameters in microprocessor.
Readjust or replace pressure transducers (P1 or P2).
Check unload pressure settings (refer to T1 Microprocessor
Controller Manual p/n 18730-048).
Separator requires maintenance. Check separator differential
under full load conditions. Differential pressure should be less
than 10 psi.
Excessive operating temperature
Monitor temperature: normal operating discharge temperature
should be 160–220°F (100°F above ambient). Shutdown is set at
240°F.
Cooling airflow restricted. Clean cooler and check for proper
ventilation.
Ambient temperature is too high. Provide sufficient ventilation.
Lubricant level low. Add lubricant.
Oil filter clogged. Change oil filter element.
Cooler thermostat not functioning properly. Replace thermostat.
CDT sensor defective. Replace CDT sensor.
Содержание UD Series
Страница 6: ...vi About This Manual ...
Страница 12: ...4 Introduction ...
Страница 24: ...16 Specifications 2 2 DIMENSIONS OPEN AIR COOLED 230V Figure 2 1 GA 30 40 50UD AC VFD 230V R00 ...
Страница 25: ...17 Specifications 2 3 DIMENSIONS OPEN AIR COOLED 460V Figure 2 2 GA 30 40 50UD AC MPC VFD OPEN 460V R00 ...
Страница 26: ...18 Specifications 2 4 DIMENSIONS ENCLOSED AIR COOLED 460V Figure 2 3 GA 40 50 60UDAC ENC S1 R00 ...
Страница 27: ...19 Specifications 2 5 DIMENSIONS ENCLOSED HEAVY DUTY INLET OPTION 460V Figure 2 4 GA 40 50 60UDAC VFD ENC R00 ...
Страница 28: ...20 Specifications 2 6 DIMENSIONS ENCLOSED AIR COOLED HD INLET NO BUSSEL Figure 2 5 GA 60UDAC ENC VFD NB R00 ...
Страница 29: ...21 Specifications 2 7 PIPING AND INSTRUMENTATION AIR COOLED Figure 2 6 P I 15 40D AC MPC VFD R02 ...
Страница 42: ...34 Component Description ...
Страница 52: ...44 Operation ...
Страница 66: ...58 Troubleshooting ...
Страница 74: ...66 Parts Catalog 8 5 COMPRESSOR FRAME AND DRIVE ASSEMBLY Figure 8 1 AS801 25UD 50UD VFD R00 ...
Страница 76: ...68 Parts Catalog 8 6 CONTROL ASSEMBLY OPEN Figure 8 2 1072190415 609 R00 ...
Страница 78: ...70 Parts Catalog 8 7 STARTER ASSEMBLY ENCLOSED Figure 8 3 AS802 405060 PANEL R03 ...
Страница 80: ...72 Parts Catalog 8 8 AIR INLET ASSEMBLY 15 30HP 13 12 11 13 12 4 5 2 3 14 1 Figure 8 4 AS805 030D7H TE R00 ...
Страница 94: ...86 Parts Catalog 8 15 COOLING ASSEMBLY AIR COOLED Figure 8 11 AS804 50UDAC INLINE R00 ...
Страница 100: ...NOTES ...
Страница 101: ...NOTES ...