Fig. 5 - Operation Sequence Timing Diagram; (Electro-Mechanical & Solid State Starter Applications) - York MAXE OPTIVIEW YK Service Instructions Manual

TIMING DIAGRAM – CHILLERS EQUIPPED WITH FIXED SPEED OIL PUMP (STYLE C)
DISPLAY
MESSAGE
"SYSTEM RUN"
"SYSTEM PRELUBE"
** "VANES CLOSING
BEFORE
SHUTDOWN"
"SYSTEM
COASTDOWN"
"SYSTEM
SHUTDOWN"
0 10
START (0.17) (0.22) (0.75) (0.83) (1.08)
TIMING DIAGRAM – CHILLERS EQUIPPED WITH
VARIABLE SPEED OIL PUMP
(STYLE D/E/F)
DISPLAY
MESSAGE
"SYSTEM RUN"
"SYSTEM PRELUBE"
** "VANES CLOSING
BEFORE
SHUTDOWN"
"SYSTEM
COASTDOWN"
"SYSTEM
SHUTDOWN"
0 10
START (0.17) (0.22) (0.75) (0.83)
TIME IN SECONDS (MINUTES)
FIG. 5 – OPERATION SEQUENCE TIMING DIAGRAM
(ELECTRO-MECHANICAL & SOLID STATE STARTER APPLICATIONS)
YORK INTERNATIONAL
AUTO ZEROING DIFFERENTIAL
OIL PRESSURE TRANSDUCERS
MAN. OIL
PUMP
DISABLED
FLOW
BYPASS
SWITCH
13 45 50 65
TIME IN SECONDS (MINUTES)
AUTO ZEROING DIFFERENTIAL
OIL PRESSURE TRANSDUCERS
MAN. OIL
PUMP
DISABLED
FLOW
BYPASS
SWITCH
13 45 50
ENERGIZE (OPEN) HIGH SPEED
THRUST SOLENOID
ENERGIZE (OPEN) LIQUID LINE, VENT LINE
& OIL RETURN SOLENOIDS
** VANES CLOSING - TIME
DEPENDENT ON INITIAL
VANE POSITION
OIL PRESSURE CHECK
OIL PUMP ON
150 SEC.
(2.5 MIN)
110
VANES VANES
(1.83) START CLOSED
TO
CLOSE
**Only applicable to the following shutdowns. When any of these
shutdowns are performed, the vanes are driv en fully closed before
the starter is de-energized. When the vane motor switch clos es
(or 210 seconds from start of vane clo sure have elapsed), the
starter is de-energized. 1. Low Water Tem per a ture; 2. Multi-Unit
Sequence (TB4-9); 3. Remote/Local Cycling (TB4-13); 4. Internal
Time Clock; 5. Remote Stop (TB4-8); 6. Re mote Stop (ISN Serial
Port). Operator initiated Soft Shut down (Flash Memory Card ver-
sion C.MLM.01.06.xxx and lat er or C.MLM.04.02.xxx)
ENERGIZE (OPEN)
OIL RETURN SOLENOID & LIQUID LINE
SOLENOID (J COMPRESSOR ONLY)
** VANES CLOSING - TIME
DEPENDENT ON INITIAL
VANE POSITION
OIL PRESSURE CHECK
OIL PUMP ON
150 SEC.
(2.5 MIN)
110
VANES VANES
(1.83) START CLOSED
TO
CLOSE
FORM 160.54-M1(503)
2
1800
LD06501
(30)
RESTART
1800
(30)
RESTART
LD06502
17