Wiring Pic With Rtaa/Rtab/Rtxa/Rtad/Rtwb/Rtra/Rtub Chillers (Ucm Cld Controller With Lci-C Interface); Wiring Pic With Cgah/Cxah/Cgcl/Ccuh/Cgwh/Raul Chillers (Smm Controller) - Trane PIC Installation Operation Maintenance/ Programming

BAS-SVX08D-E4
Installation
Wiring PIC with RTAA/RTAB/RTXA/RTAD/RTWB/RTRA/RTUB chillers
(UCM CLD controller with LCI-C interface)
The following wiring diagram applies for units equipped with Tracer UCM
CLD controller with the LCI-C (A56) communication interface.
UCM CLD LCI-C
Service
A56
J3A
1
2
3
4
Wiring PIC with CGAH/CXAH/CGCL/CCUH/CGWH/RAUL chillers
(SMM controller)
The following wiring diagram applies for units equipped with
SMM controller.
SMM
2
1
X4
J2A
1 2 SHD Rx
COMM3
CONFIGURATION
SW1 SW2 SW3
2
2
1 2 SHD
COMM3
X5
CONFIGURATION
SW1 SW2 SW3
Tx USB RJ-45 Rx Tx A Ref B On
DIAG RS232 MODBUS RS485 Resistor
Protocol Interface
Controller
Service Rx
LON 24 V
SW4 PIN Serv. A B A B 0V GND 24V
ON
24V AC/DC
+6V/-12V
Rx Tx USB RJ-45 Rx Tx A Ref B
DIAG RS232 MODBUS RS485 Resistor
Protocol Interface
Controller
Service Rx
LON 24 V
SW4 PIN Serv. A B A B 0V GND 24V
ON
24V AC/DC
+6V/-12V
Imax=0.5A
On
Imax=0.5A
13