Expansion Module Option - Trane Symbio 800 Installation Instructions Manual

The communications wiring will be terminated at the
Modbus distribution terminal (1X3) beside Symbio 800
using the 3 poles connector which provide in energy meter
kits.
Figure 34. Modbus distribution terminal
Figure 35. Communication wiring, ref. 50712792
480 Volts and Lower Installations
POTENTIAL INPUT – Install provided fused inputs to line
voltage per schematic.
CURRENT INPUT – Install provided Rogowski CTs per
schematic.
CDUB-SVN002B-EN
Figure 36. 480V energy meter wiring, ref. 50712756
ENERGY METER OPTION
2T50
T
T
T
T
T
T
X1 X2
L1
2P25
ENERGY METE R
(E23)
2F1 LINE SIDE
T
2F2 LINE SIDE
T
2F3 LINE SIDE
T

Expansion Module Option

CDUB retrofit panel reserve place of expansion module
beside Symbio 800 controller. There are few
configurations depend on I/O requirements and din rail
length. Currently din rail in CDUB panel is 13.9-inch, could
add one XM32 or two XM30 at most. If XM70 is selected a
20-inch din rail is required, in 0185-3495-0100. Detail I/O
information refer 50712794. Please note this option is only
applied for CDUA, CVRE aftermarket retrofit panel.
Figure 37. XM32 expansion module mounting
Figure 38. Two XM30 expansion module mounting
Installation
DETAIL A
TO 1X3
LINE 99
2T51
2T52
X1 X2 X1 X2 + - G
L2 L3
MODBUS
CT INPUT S
VOLT INPUTS
L1 L2 L3 N
2F52
0.5A
2F53
0.5A
2F54
0.5A
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