System op er at ing pro ce dures – York R123 User Manual
Page 126
YORK INTERNATIONAL
126
FORM 160.55-O1 (604)
"SYSTEM SHUTDOWN"
DISPLAY
MESSAGE
"SYSTEM RUN"
"SYSTEM PRELUBE"
(OIL PUMP PRE-RUN)
"SYSTEM COASTDOWN"
(OIL PUMP POST-RUN)
0
25
30
330
1800
(0.4)
(0.5)
(5.5)
(30)
START
RESTART (IF
FIVE SUCCESSIVE
RESTARTS HAVE
NOT OCCURRED)
RESTART (ONLY
AFTER THE FIFTH
SUCCESSIVE RESTART)
TIME IN SECONDS (MINUTES)
ENERGIZE
(OPEN)
VENT
SOLENOID
CHECK
OIL PRESS.
150 SEC.
(2.5 MIN.)
"SYSTEM SHUTDOWN"
DISPLAY
MESSAGE
"SYSTEM RUN"
"SYSTEM PRELUBE"
(OIL PUMP PRE-RUN)
"SYSTEM COASTDOWN"
(OIL PUMP POST-RUN)
0
25
30
330
1800
(0.4)
(0.5)
(5.5)
(30)
START
TIME IN SECONDS (MINUTES)
ENERGIZE
(OPEN)
VENT LINE
SOLENOID
CHECK
OIL PRESS.
150 SEC.
(2.5 MIN.)
RESTART
FIG. 54 – OPERATION SEQUENCE TIMING DIAGRAM
(ELECTRO-MECHANICAL AND SOLID STATE STARTER APPLICATIONS)
LD04643
System Op er at ing Pro ce dures
FIG. 55 – OPERATION SEQUENCE TIMING DIAGRAM
(COMPRESSOR MOTOR VARIABLE SPEED DRIVE APPLICATIONS)
LD04644