Carrier 500 T/R Manuel D’Utilisation

RS232 
 
 
a)  Serial communication with micro of the refrigeration unit without control panel 
 

 
 
 

1 = GND 

2 = RXD 

3 = TXD 

4 = CTS 

5 = RTS 

 

Communication cable 3 way

P/N : 22-60633-00 

Unit microprocessor 

connector 

DataCOLD 500 

 
 
 
b)  Serial communication with micro of the refrigeration unit with one control panel and “Y” 

 
 
 
 
 
 
1 = GND 
2 = RXD 
3 = TXD 
4 = CTS 
5 = RTS 

Unit microprocessor 

connector 

Communication cable 2 way

P/N : 22-60297-00 

"Y" communication

cable 

P/N : 22-60296-00  

Control panel 

connector 

DataCOLD 500 

 
 
 
c)  Serial communication with micro of the refrigeration unit with two control panels and RS232 interface 
 

 
 
 
 
 
 

1 = GND 
2 = RXD 
3 = TXD 
4 = CTS 
5 = RTS 

 

Power supply +12V 

Communication cable 

3 way 

P/N : 22-60633-00 

Control panel 1 

connector 

RS-232 

Interface

 

Control panel 

2 connector 

Unit 

microprocessor 

connector 

DataCOLD 500 

P/N : 12-60040-00 

 

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62-61138-20   (02/03)