YORK INTERNATIONAL
18
FORM 160.54-M1(503)
0 10 13 45 50 65
110
(0.17) (0.22) (0.75) (0.83) (1.08)
(1.83)
START
VANES
START
TO
CLOSE
VANES
CLOSED
600
(10)
RESTART
(ONLY AFTER FIFTH
SUCCESSIVE RESTART)
FLOW
BYPASS
SWITCH
MAN. OIL
PUMP
DISABLED
AUTO ZEROING DIFFERENTIAL
OIL PRESSURE TRANSDUCERS
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)
"SYSTEM
COASTDOWN"
"SYSTEM
SHUTDOWN"
TIME IN SECONDS (MINUTES)
DISPLAY
MESSAGE
RESTART
(IF FIVE SUCCESSIVE
RESTARTS HAVE NOT
OCCURED)
"SYSTEM RUN"
"SYSTEM PRELUBE"
** "VANES CLOSING
BEFORE
SHUTDOWN"
0 10 13 45 50
110
(0.17)
(0.22)
(0.75)
(0.83)
(1.83)
START
VANES
START
TO
CLOSE
VANES
CLOSED
FLOW
BYPASS
SWITCH
MAN. OIL
PUMP
DISABLED
AUTO ZEROING DIFFERENTIAL
OIL PRESSURE TRANSDUCERS
ENERGIZE (OPEN)
OIL RETURN SOLENOID & LIQUID LINE
SOLENOID (J COMPRESSORS ONLY)
** VANES CLOSING - TIME
DEPENDENT ON INITIAL
VANE POSITION
OIL PRESSURE CHECK
OIL PUMP ON
150 SEC.
(2.5 MIN)
"SYSTEM
COASTDOWN"
"SYSTEM
SHUTDOWN"
TIME IN SECONDS (MINUTES)
DISPLAY
MESSAGE
600
(10)
RESTART
(ONLY AFTER FIFTH
SUCCESSIVE RESTART)
RESTART
(IF FIVE SUCCESSIVE
RESTARTS HAVE NOT
OCCURED)
"SYSTEM RUN"
"SYSTEM PRELUBE"
** "VANES CLOSING
BEFORE
SHUTDOWN"
TIMING DIAGRAM –
CHILLERS EQUIPPED WITH FIXED SPEED OIL PUMP (STYLE C)
TIMING DIAGRAM –
CHILLERS EQUIPPED WITH
VARIABLE SPEED OIL PUMP
(STYLE D/E/F)
LD06503
FIG. 6 –
OPERATION SEQUENCE TIMING DIAGRAM
(COMPRESSOR MOTOR VARIABLE SPEED DRIVE APPLICATIONS)
* The Liquid Line solenoid will only be energized during this period when the oil
temperature reaches > 140°F. It will then be de-en er gized when the temprature
is < 135°F.
**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. Remote Stop
(ISN Serial Port). Operator initiated Soft Shut down (Flash Memory Card
version C.MLM.01.06.xxx and lat er or C.MLM.04.02.xxx)
System Ar chi tec ture
LD06504
Summary of Contents for MAXE OPTIVIEW YK
Page 28: ...YORK INTERNATIONAL 28 FORM 160 54 M1 503 Microboard FIG 7 MICROBOARD LD07776...
Page 60: ...YORK INTERNATIONAL 60 FORM 160 54 M1 503 Keypad FIG 32 KEYPAD CONNECTOR LD04074...
Page 61: ...FORM 160 54 M1 503 61 YORK INTERNATIONAL FIG 33 KEYPAD LD04075 LD04076 8...
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