Enclosure E

Wiring diagrams

CONNECTOR 1

POWER SUPPLY & DIGITAL OUTPUTS

1 = POWER SUPPLY (+)

2 = POWER NEGATIVE (-)

3 = DISPLAY BACKLIGHT (+)

4 = ALARM O/P TEMP

5 = ALARM O/P DIGIT

CONNECTOR 3

DIGITAL INPUTS (configuration example)

1 = SUPPLY POSITIVE (+)

2 = REFRIGERATION (-)

3 = SUPPLY POSITIVE (+)

4 = BACK DOOR (-)

5 = SUPPLY POSITIVE (+)

6 = DEFROST RELAY (-)

7 = SUPPLY POSITIVE (+)

8 = SIDE DOOR (-)

CONNECTOR 4

TEMPERATURE INPUTS

1= TEMPERATURE 1 (-)

2= TEMPERATURE 1 (+)

3= TEMPERATURE 2 (-)

4= TEMPERATURE 2 (+)

5= TEMPERATURE 3 (-)

6= TEMPERATURE 3 (+)

7= TEMPERATURE 4 (-)

8= TEMPERATURE 4 (+)

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battery

Ignition key (+) (display backlight)

WARNING : NEVER CONNECT DISPLAY BACKLIGHT

DIRECTLY TO THE BATTERY

relay

door switch

defrost relay

door switch

62-61138-20 (02/03)

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Image 29
Carrier 500 T/R user manual Enclosure E Wiring diagrams, Digital Inputs configuration example