Section IX - Troubleshooting
Probable Causes:
Corrective Action:
56
Quincy Compressor-QSI
®
Compressor Does Not Revert To Load When Service Line Pressure Drops To Reset Pressure:
F
AULTY
AIR
PRESSURE
SWITCH
L
OOSE
WIRING
CONNECTION
J
AMMED
AIR
INLET
VALVE
ASSEMBLY
F
AULTY
SOLENOID
F
AULTY
TIMER
F
AULTY
DIFFERENTIAL
PILOT
VALVE
Compressor Will Not Time-out Or Shut Down When Unloaded (Auto/Dual Only):
F
AULTY
TIMER
L
EAKS
IN
CONTROL
LINES
L
EAKS
IN
SERVICE
LINES
F
AULTY
AIR
PRESSURE
SWITCH
F
AULTY
AIR
PRESSURE
SENSORS
Excessive Water in Plant Air Distribution System:
C
LOGGED
MOISTURE
SEPARATOR
/
TRAP
I
NSTALLATION
/A
PPLICATION
F
AULTY
COOLER
/
LEAKS
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
C
HECK
AND
TIGHTEN
WIRING
TERMINALS
.
C
HECK
AND
REPAIR
AIR
INLET
VALVE
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
C
HECK
AND
REPLACE
TIMER
.
O
RIFICE
PLUGGED
. C
LEAN
OR
REPLACE
AS
NECESSARY
.
C
HECK
AND
REPLACE
AS
NECESSARY
.
C
HECK
AND
REPAIR
ANY
LEAKS
.
C
HECK
PLANT
AIR
DISTRIBUTION
SYSTEM
FOR
LEAKS
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
R
EPLACE
AS
NECESSARY
.
C
LEAN
OR
REPLACE
AS
REQUIRED
.
C
HECK
OTHER
COMPRESSORS
ON
SAME
SYSTEM
.
R
EPLACE
COOLER
.
Summary of Contents for QSI 1000
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Page 7: ...This page intentionally left blank ...
Page 11: ...Section I General Quincy Compressor QSI 5 MODEL IDENTIFICATION ...
Page 25: ...Quincy Compressor QSI 19 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 65: ...Quincy Compressor QSI 59 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 66: ...Appendix A Dimensional Drawings 60 Quincy Compressor QSI QSI 220 245 air cooled ...
Page 67: ...Appendix A Dimensional Drawings Quincy Compressor QSI 61 QSI 220 245 water cooled ...
Page 68: ...Appendix A Dimensional Drawings 62 Quincy Compressor QSI QSI 250 300 air cooled ...
Page 69: ...Appendix A Dimensional Drawings Quincy Compressor QSI 63 QSI 250 300 water cooled ...
Page 70: ...Appendix A Dimensional Drawings 64 Quincy Compressor QSI QSI 335 370 air cooled ...
Page 71: ...Appendix A Dimensional Drawings Quincy Compressor QSI 65 QSI 335 370 water cooled ...
Page 72: ...Appendix A Dimensional Drawings 66 Quincy Compressor QSI QSI 440 500 air cooled ...
Page 73: ...Appendix A Dimensional Drawings Quincy Compressor QSI 67 QSI 440 500 water cooled ...
Page 74: ...Appendix A Dimensional Drawings 68 Quincy Compressor QSI QSI 540 600 air cooled ...
Page 75: ...Appendix A Dimensional Drawings Quincy Compressor QSI 69 QSI 540 600 water cooled ...
Page 76: ...Appendix A Dimensional Drawings 70 Quincy Compressor QSI QSI 675 750 air cooled ...
Page 77: ...Appendix A Dimensional Drawings Quincy Compressor QSI 71 QSI 675 750 water cooled ...
Page 78: ...Appendix A Dimensional Drawings 72 Quincy Compressor QSI QSI 925 1000 air cooled ...
Page 79: ...Appendix A Dimensional Drawings Quincy Compressor QSI 73 QSI 925 1000 water cooled ...
Page 80: ...Appendix A Dimensional Drawings 74 Quincy Compressor QSI QSI 1175 1250 1400 1500 air cooled ...
Page 81: ...Appendix A Dimensional Drawings Quincy Compressor QSI 75 QSI 1175 1250 1400 1500 water cooled ...
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