![background image](http://html1.mh-extra.com/html/quincy-compressor/qsb-series/qsb-series_instruction-manual_3851723066.webp)
Section VIII - Troubleshooting
Symptom/Probable Causes:
Corrective Action:
62
Quincy Compressor
®
- QSB/T
™
Excessive Water in Plant Air Distribution
System:
C
LOGGED
MOISTURE
SEPARATOR
/
TRAP
I
NSTALLATION
/A
PPLICATION
F
AULTY
COOLER
/
LEAKS
Pressure Relief Valve Exhausting:
D
IFFERENTIAL
PRESSURE
REGULATOR
NOT
SET
CORRECTLY
A
IR
PRESSURE
NOT
SET
CORRECTLY
A
IR
INLET
VALVE
NOT
CLOSING
PROPERLY
IN
RELATION
TO
AIR
DEMAND
P
LUGGED
SEPARATOR
F
AULTY
RECEIVER
PRESSURE
GAUGE
F
AULTY
PRESSURE
RELIEF
VALVE
Excessive Water Content In Fluid:
W
ATER
DRAIN
INTERVALS
D
ISCHARGE
TEMPERATURE
TOO
LOW
C
LEAN
OR
REPLACE
AS
REQUIRED
.
C
HECK
OTHER
COMPRESSORS
ON
SAME
SYSTEM
.
R
EPLACE
COOLER
.
A
DJUST
DIFFERENTIAL
PRESSURE
REGULATOR
TO
OBTAIN
DESIRED
MODULATION
RANGE
.
R
EADJUST
AIR
PRESSURE
SWITCH
SO
THAT
THE
COMPRESSOR
UNLOADS
AT
THE
DESIRED
PRESSURE
.
C
ORRECT
IN
ACCORDANCE
WITH
THE
INSTRUCTION
IN
“I
NLET
VALVE
NOT
OPENING
OR
CLOSING
IN
RELATION
TO
AIR
DEMAND
”
SECTION
OF
THIS
TROUBLESHOOTING
GUIDE
.
R
EPLACE
WITH
NEW
AIR
/
FLUID
SEPARATOR
.
C
HECK
GAUGE
FOR
ACCURACY
AND
REPLACE
IF
NECESSARY
. A
DJUST
CONTROL
SETTINGS
.
C
HECK
PRESSURE
RELIEF
VALVE
FOR
CORRECT
PRESSURE
SETTING
. I
F
VALVE
IS
STILL
LEAKING
,
REPLACE
IT
.
D
RAIN
WATER
AS
NEEDED
TO
REDUCE
WATER
CONTENT
IN
FLUID
BELOW
200 PPM.
C
HECK
OPERATION
OF
THERMOSTATIC
VALVE
OR
WATER
REGULATING
VALVE
. I
F
CONDITION
CONTINUES
,
CONSULT
Q
UINCY
SERVICE
DEPARTMENT
.
Summary of Contents for QSB Series
Page 2: ......
Page 9: ...Section I General Quincy Compressor QSB T 5 MODEL IDENTIFICATION...
Page 21: ...Quincy Compressor QSB T 17 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 27: ...Quincy Compressor QSB T 23 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 71: ...Quincy Compressor QSB T 67 THIS PAGE INTENTIONALLY LEFT BLANK...
Page 72: ...Appendix A Dimensional Drawings 68 Quincy Compressor QSB T QSB 15 50 HP air cooled...
Page 73: ...Appendix A Dimensional Drawings Quincy Compressor QSB T 69 QSB 15 50 HP water cooled...