Chapter 5 UCM Wiring and Addressing
80 BMTW-SVN01F-EN
The minimum software revision numbers required for compatibility with
Tracer Summit for each of UCM module are shown in Table 13.
Type of Communication Card: Comm4
Refer to “Comm4 Card” on page 51.
Wiring Notes
To establish wiring connections between the UCM and the BCU, Trane
requires that you use the communication-link wiring specified in this
manual. For wire selection specifications, see “UCM Communication-
Wire Characteristics” on page 55.
Use fiber-optic modems for building-to-building communication. If fiber
optics are not used, building-to-building communication wiring requires a
Transtector transient protector at each building. You can purchase Tran-
Table 13. Horizon and Dragon/Navigator Chiller Minimum Software
Revision Numbers
Horizon Chillers
Module Minimum Software Revision
Burner
2.0
Chiller
Circuit
CLD
Purge
Starter
Stepper
TCI4-Comm4 3.0
Dragon/Navigator Chillers
Module Minimum Software Revision
Burner
CCCLD
Chiller 1.0
Circuit
Stepper
TCI4-Comm4
Note:
The DIP switch block on the TCI4-Comm4 module should have
DIP switches 1 and 3 in the off position, with DIP switch 2 in
the on position.