York R123 - Fig. 54 - Operation Sequence & Timing Diagram (Electro-Mechanical & Solid State Starter Applications); Fig. 55 - Operation Sequence & Timing Diagram (Compressor Motor Variable Speed Drive Applications)

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)
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System Op er at ing Pro ce dures
FIG. 55 – OPERATION SEQUENCE TIMING DIAGRAM
(COMPRESSOR MOTOR VARIABLE SPEED DRIVE APPLICATIONS)
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