Trane PIC Installation Operation Maintenance/ Programming page 61

Operation
Step 2: Validate the PIC configuration
Once the PIC is configured and wired to Trane equipment, the configuration
has to be validated.
The PIC service pin has to be pressed for at least 15 seconds. This will save
the configuration and reset the PIC.
1 2 SHD Rx Tx USB RJ-45 Rx Tx A Ref B On
COMM3 DIAG RS232 MODBUS RS485 Resistor
Protocol Interface
Controller
Service Rx
CONFIGURATION LON 24 V
Imax=0.5A
SW3 SW4 A B A B
SW1 SW2 PIN Serv. ON 0V GND 24V
Service Pin
BAS-SVX08D-E4 61