Filter
Top Products
VAV-PRC003-EN 29
24 Vac
Line v
o
l
t
a
ge
Comm5
link
C
omm
5
lin
k
Comm5 UCMTr
ac
k
er
Splice
AA
BB
Twisted pair, shielded wire
perTrane specifications
Shield termination
Earth ground
Contact points
T
ransf
T
T
ormer
Termination resistor
Shield ground
=
=
=
=
=
=
=
T
e
rmin
a
tion Bo
a
r
d
TB2
Fi
g
ure not
e
=
Comm4
link
C
omm
4
lin
k
C
omm4
UCM
C
omm4
UCM
Splice
-
+
-
+
Le
g
en
d
Figure Notes:
1 All customer wiring must be in
accordance with national, state,
and local electrical codes.
2 Trane recommends a dedicated
transformer for 24 Vac power.
3 Do not apply voltage to the priority
shutdown and occupancy inputs.
4 Example of Comm5 communication
link wiring. See product-specific
literature for Comm5 wire connection
details.
Electrical Data
and Connections
Figure 32. Central control panel field wiring