Fig. 14 - I/O Board Digital Inputs - York MAXE OPTIVIEW YK Service Instructions Manual

I / O Board
MOTOR CONTROLLER SHUTDOWN
OIL PUMP VSD CYCLING SHUTDOWN
("P" compressors and style F and later chillers with
REMOTE LEAVING CHILLED LIQUID
CHILLED WATER FLOW SWITCH
(Style E and earlier chillers; optional style F and later chillers with Flash
Memory Card version C.MLM.01.08.xxx or later versions)
AUXILIARY SAFETY SHUTDOWN
CONDENSER WATER FLOW SWITCH
(Style E and earlier chillers; optional style F and later chillers with Flash
Memory Card version C.MLM.01.08.xxx or later versions)
FIG. 14 – I/O BOARD DIGITAL INPUTS
40
HIGH PRESSURE SAFETY
STOP SWITCH (LOCAL)
START SWITCH (LOCAL)
NOT USED
VANE MOTOR SWITCH
NOT USED
HIGH SPEED THRUST
BEARING LIMIT SWITCH
"G" and "H5-8" compressors)
REMOTE START
REMOTE STOP
115VAC
TEMP SETPOINT (PWM)
REMOTE CURRENT LIMIT
SETPOINT (PWM)
115VAC
REMOTE / LOCAL CYCLING
115VAC
MULTI-UNIT SEQUENCE
115VAC
NOT USED
115VAC
NOT USED
115VAC
115VAC
TB3 - 32
OPTO-
COUPLER
J2 - 1
TB3 - 30
TB3 - 28
TB3 - 71
TB3 - 70
TB3 - 18
TB3 - 80
TB3 - 81
TB4 - 1
115VAC
TB4 - 7
TB4 - 8
TB4 - 1
TB4 - 19
TB4 - 20
TB4 - 1
TB4 - 12
TB4 - 13
TB4 - 1
TB4 - 9
TB4 - 31
TB4 - 1
TB4 - 11
TB4 - 82
TB4 - 1
TB4 - 95
TB4 - 1
TB3 - 1
FORM 160.54-M1(503)
J1 -1
J1 -2
J1 -3
J1 -4
J1 -5
J1 -6
J1 -7
J1 -8
J1 -9
J1 -10
J1 -11
J1 -12
J1 -13
J1 -14
J1 -15
J1 -16
J1 -17
J1 -18
J1 -19
J1 -20
LD06856
YORK INTERNATIONAL