Trane RTHC - READ THESE IMPORTANT NOTICES BEFORE SERVICING THE RTHC; Warnings and Cautions

Contents
RTHC-SVD01B-EN iii
Select Settings Group ...................................................................... 68
Passwords ........................................................................................ 69
Select Report Group and Select Settings Group Flowcharts ........... 69
Auto/Stop Keys ................................................................................ 70
Power Up ......................................................................................... 71
LEDs ................................................................................................ 72
Chiller Module (1U1) ........................................................................ 72
Test Points ....................................................................................... 72
I/O Terminals .................................................................................... 73
Starter Module (1U2) ........................................................................ 76
Test Points ....................................................................................... 76
I/O Terminals .................................................................................... 76
Stepper Module (1U3) ...................................................................... 79
Test Points ....................................................................................... 79
I/O Terminals .................................................................................... 79
Options Module (1U5) ...................................................................... 81
Test Points ....................................................................................... 81
I/O Terminals .................................................................................... 81
Switch SW2 ...................................................................................... 83
Switch SW3 ...................................................................................... 83
External Setpoint Inputs (4-20mA/2-10VDC) ................................... 83
TCI-COMM 3 and 4 (1U6) ................................................................ 86
Test Points ....................................................................................... 86
ICS Communications ....................................................................... 86
I/O Terminals .................................................................................... 87
Printer Interface (1U7) ...................................................................... 87
Test Points ....................................................................................... 87
Recommended Printer Setup ........................................................... 88
I/O Terminals .................................................................................... 89
Diagnostic Table ...................................................................91
General ............................................................................................ 91