Carrier VECTOR 1550 Series - Page 267

62-61753-21
11-5
11.2 DISPLAY HARNESS CONNECTIONS
Test Point
Pin
Color
Description
TP14
Pin 1
Black
+12 Vdc for Display backlighting and indicator LED-s
TP13
Pin 2
White
Ground for Backlighting and indicator LEDs
TP13
Pin 3
Red
Ground for Backlighting and indicator LEDs
TP12
Pin 4
Green
+5 Vdc for Display processor and LCD
TP11
Pin 5
Brown
Display ground
TP10
Pin 6
Orange
TX the serial communications from the control to the display
TP9
Pin 7
Blue
RX the serial communications from the display to the control
TP8
Pin 8
Yellow
Display ground
VOLTAGE TESTS:
Negative Test Lead
Positive Test Lead
Voltage Reading
TP13
TP14
12
TP13
TP12
5
TP13
TP11
0
TP13
TP8
0
TP11
TP14
12
TP11
TP8
0
TP8
TP14
12
11.3 WIRING SCHEMATIC
The wiring schematic is provided on the following page.
INDEX
A
Air Cleaner, 8-6
Air System, Engine, 2-9
Alarm, Out of Range, 2-16
Alarms, Driver/Operator, 7-3
Alarms, Electrical, 7-42
Alarms, Maintenance, 7-85
Alarms, Microprocessor, 7-89
Alarms, Pretrip, 7-71
Alarms, Sensor, 7-59
Alarms, Shutdown, 7-4
Alarms, Start-Up/Engine, 7-22
Alarms, View Active, 3-15
Alarms, View Inactive, 3-16
Alarms, Warning/Status, 7-33
B
Battery, 1-1
Battery Charger, 2-9, 8-28
Belt, 8-7
C
Coil, Condenser, 2-10, 8-19
Coil, Evaporator, 2-11, 8-18
Compressor, 2-10, 8-17
Configuration, Start-Stop, 4-3
Configurations, 5-8
Coolant, Engine, 1-1
Crankcase Breather, 8-7
D
Data Download, 5-4
Data Recording, 3-27
Data, Component Current Draw, 2-20
Data, Component Resistance, 2-20
Data, Compressor, 2-18
Data, Electrical, 2-19
Data, Engine, 2-17
Data, Refrigeration System, 2-18
Decals, Safety, 1-6
Display, 2-14