Trane PIC - Wiring PIC with UCM CLD;LCI-C Chillers; Wiring PIC with SMM Controllers

Installation
13BAS-SVX08D-E4
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.
Wiring PIC with CGAH/CXAH/CGCL/CCUH/CGWH/RAUL chillers
(SMM controller)
The following wiring diagram applies for units equipped with
SMM controller.
Protocol Interface
Controller
MODBUS
TxRx
RS485RS232
A Ref BRJ-45
Resistor
On
DIAG
USB
COMM3
1TxRx2 SHD
Service
PIN
LON
BABA 24VGND
CONFIGURATION
SW1 SW2 SW3 SW4
Rx
Serv.
0V
ON
24 V
Imax=0.5A
2
24V AC/DC
+6V/-12V
SMM
X5
1
2
X4
Protocol Interface
Controller
MODBUS
TxRx
RS485RS232
A Ref BRJ-45
Resistor
On
DIAG
USB
COMM3
1TxRx2 SHD
Service
PIN
LON
BABA 24VGND
CONFIGURATION
SW1 SW2 SW3 SW4
Rx
Serv.
0V
ON
24 V
Imax=0.5A
UCM CLD LCI-C
A56
J3A
1
2
3
4
2
24V AC/DC
+6V/-12V
Service
J2A