Section VII - Troubleshooting
Failure to Start:
P
OWER
NOT
TURNED
“ON”
B
LOWN
CONTROL
CIRCUIT
FUSE
S
AFETY
CIRCUIT
SHUTDOWN
RESULTING
FROM
HIGH
DISCHARGE
AIR
TEMPERATURE
T
HERMAL
OVERLOAD
RELAYS
TRIPPING
L
OW
VOLTAGE
F
AULTY
START
SWITCH
P
OWER
FAILURE
L
OOSE
WIRE
CONNECTIONS
F
AULTY
CONTROL
RELAY
F
AULTY
H
IGH
A
IR
T
EMPERATURE
(HAT) S
WITCH
F
AULTY
TRANSFORMER
Unscheduled Shutdown:
H
IGH
DISCHARGE
AIR
TEMPERATURE
T
HERMAL
MOTOR
OVERLOAD
RELAYS
TRIPPING
P
OWER
FAILURE
L
OOSE
WIRE
CONNECTIONS
F
AULTY
HAT
SENSORS
F
AULTY
CONTROL
RELAY
T
URN
THE
POWER
“ON”
BY
CLOSING
THE
MAIN
DISCONNECT
SWITCH
OR
CIRCUIT
BREAKER
.
R
EPLACE
FUSE
. F
IND
AND
CORRECT
CAUSE
.
C
ORRECT
THE
SITUATION
IN
ACCORDANCE
WITH
THE
INSTRUCTION
IN
THE
“H
IGH
D
ISCHARGE
A
IR
T
EMPERATURE
”
SECTION
OF
THIS
TROUBLESHOOTING
GUIDE
. R
ESTART
THE
COMPRESSOR
.
C
ORRECT
THE
CAUSE
OF
THE
OVERLOADED
CONDITION
,
RESET
OVERLOAD
RELAY
AND
PRESS
THE
START
BUTTON
.
A
SK
THE
POWER
COMPANY
TO
MAKE
A
VOLTAGE
CHECK
AT
YOUR
ENTRANCE
METER
,
THEN
COMPARE
THAT
READING
TO
A
READING
TAKEN
AT
THE
MOTOR
TERMINALS
. U
SE
THESE
TWO
READINGS
AS
A
BASIS
FOR
LOCATING
THE
SOURCE
OF
LOW
VOLTAGE
.
C
HECK
THE
SWITCH
FOR
MALFUNCTION
OR
LOOSE
CONNECTIONS
.
C
HECK
POWER
SUPPLY
TO
THE
UNIT
.
C
HECK
ALL
WIRING
TERMINALS
FOR
CONTACT
AND
TIGHTNESS
.
R
EPLACE
THE
RELAY
.
C
HECK
HAT
SWITCH
. C
ONTACT
A
QUALIFIED
SERVICE
TECHNICIAN
FOR
REPAIRS
.
C
HECK
SECONDARY
VOLTAGE
ON
TRANSFORMER
.
C
ORRECT
THE
SITUATION
IN
ACCORDANCE
WITH
THE
INSTRUCTION
IN
THE
“H
IGH
D
ISCHARGE
A
IR
T
EMPERATURE
”
SECTION
OF
THIS
TROUBLESHOOTING
GUIDE
. R
ESTART
THE
COMPRESSOR
.
C
ORRECT
THE
CAUSE
OF
THE
MOTOR
OVERLOADED
CONDITION
,
RESET
THE
OVERLOAD
RELAY
AND
PRESS
THE
RESET
BUTTON
.
C
HECK
POWER
SUPPLY
AND
TRANSFORMER
FUSES
.
C
HECK
ALL
WIRING
TERMINALS
FOR
CONTACT
AND
TIGHTNESS
.
C
ONTACT
A
QUALIFIED
SERVICE
TECHNICIAN
FOR
REPAIRS
.
R
EPLACE
RELAY
.
60
Содержание QGV-20
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Страница 70: ...Appendix A Dimensional Drawings QSI 90 120 140 micro 66...
Страница 71: ...Appendix A Dimensional Drawings QSI 90 120 140 micro dry 67...
Страница 72: ...Appendix A Dimensional Drawings QSI 90 120 140 micro tank mounted 68...
Страница 73: ...Appendix A Dimensional Drawings QSI 90 120 140 micro dry tank mounted 69...
Страница 74: ...Appendix A Dimensional Drawings QSI 90 120 140 guage 70...
Страница 75: ...Appendix A Dimensional Drawings QSI 90 120 140 guage dry 71...
Страница 76: ...Appendix A Dimensional Drawings QSI 90 120 140 guage tank mounted 72...
Страница 77: ...Appendix A Dimensional Drawings QSI 90 120 140 guage dry tank mounted 73...
Страница 78: ...Appendix A Dimensional Drawings QGV 20 25 30 460V 74...
Страница 79: ...Appendix A Dimensional Drawings QGV 20 25 30 460V dry 75...
Страница 80: ...Appendix A Dimensional Drawings QGV 20 25 30 460V tank mounted 76...
Страница 81: ...Appendix A Dimensional Drawings QGV 20 25 30 460V dry tank mounted 77...
Страница 91: ......