102
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 6 - I/O BOARD
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
FIGURE 34 -
I/O BOARD DIGITAL INPUTS
LD09566
J1
J1
J1
J1
J1
J1
J1
J1
J1
-1
-2
-3
-4
-5
-6
-7
-8
-9
OPTO-
COUPLER
HIGH PRESSURE SAFETY
MOTOR CONTROLLER SHUTDOWN
STOP SWITCH (LOCAL)
START SWITCH (LOCAL)
VGD LIMIT SWITCH
OIL PUMP VSD CYCLING SHUTDOWN
VANE MOTOR SWITCH
NOT USED
HIGH SPEED THRUST
BEARING LIMIT SWITCH
("P" compressors and style F and later chillers with
"G, Q" and "H5-8" compressors)
FA
CT
OR
Y
CONNECTION
S
TB3 - 32
J2 - 1
TB3 - 30
TB3 - 28
TB3 - 71
TB3 - 70
TB3 - 18
TB3 - 80
TB3 - 81
J1
J1
J1
J1
J1
-10
-11
-12
-13
-14
FIELD CONNECTION
S
115VAC
115VAC
115VAC
TB4 - 7
TB4 - 1
TB4 - 8
TB4 - 1
TB4 - 19
TB4 - 20
TB4 - 1
TB4 - 12
REMOTE START
REMOTE STOP
CHILLED WATER FLOW SWITCH
REMOTE CURRENT LIMIT
SETPOINT (PWM)
REMOTE LEAVING CHILLED LIQUID
TEMP SETPOINT (PWM)
J1
J1
J1
J1
-15
-16
-17
-18
J1 -19
J1 -20
115VAC
115VAC
115VAC
115VAC
115VAC
TB4 - 13
TB4 - 1
TB4 - 9
TB4 - 31
TB4 - 1
TB4 - 11
TB4 - 82
TB4 - 1
TB4 - 95
TB4 - 1
TB3 - 1
REMOTE / LOCAL CYCLING
MULTI-UNIT SEQUENCE
AUXILIARY SAFETY SHUTDOWN
CONDENSER WATER FLOW SWITCH
NOT USED
NOT USED
(If equipped with Variable Geometry Diffuser)