Installation Instructions

CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER
33 EN0B-0085 IE10 R0420
Powering CPO-PC400-W/CPO-PC400-UW via Excel 500/600 Hardware Migration Kit
Fig. 24. Powering CPO-PC400-W/CPO-PC400-UW via Excel 500/600 hardware migration kit
Connecting I/O Modules and CPO-PC400-W/CPO-PC400-UW
Fig. 25. Connecting I/O modules and CPO-PC400-W/CPO-PC400-UW
NOTES:
— * The 24V~ and 24V0 terminals at RS485-4 Interface of the controller have an automatic resetting fuse protec-
tion. For more information, see “Wireless Connectivity” section on page 15.
— For controller RS485 interface connection details, see “Interfaces” section on page 5
Table 28. Connecting I/O Module and CPO-PC400-W/CPO-PC400-UW
RS485 Interface 4
Terminals
~ 24V~ Power supply for connected modules
0 24V~0 Power supply for connected modules
- (-) for RS485 Interface 4
+ (+) for RS485 Interface 4
24V~
24V0
FGND
TX
5V
GND
Isolaon
Barrier
RX
5V_ISO
-
+
GND_ISO
RS485-
RS485+
24V~
24V~0
XL500 Base
Migraon Kit
220 Vac+10%,-15%
230 Vac+6%,-10%
50 to 60 Hz
L
N
Backup Fuse
CR6
0
*
*
~
FGND
GND
CPO-PC400-W/CPO-PC400-UW
RT
110VAC/230VAC
24VAC
F1
24V~
24V0
FGND
TX
5V
GND
Isolaon
Barrier
RX
5V_ISO
-
+
GND_ISO
RS485-
RS485+
COM a
COM b
24V ~
24V ~ 0
XL500 Migraon Kit 4-Wire
Harness
RT
CH1+
CH1-
GND1
To next XL500 controller
in network
*
~
0
*
FGND
GND
RT
CPO-PC400-W/CPO-PC400-UW