Trane VUV Installation, Operation And Maintenance Manual page 36

Installation - Controls
3. Tighten the terminal screw to 0.5 to 0.6 N-m (71 to 85 ozf-
in or 4.4 to 5.3 lbf-in.).
4. Tug on the wires after tightening the screws to ensure all
wires are secure as shown on the right.
Setting the Address
Note: Final addresses are subject to change based on final
job requirements. For pre-addressed controllers and
WCIs from the factory, verify addresses are set
correctly prior to powering the device.
The rotary address dials on the UC400-B/Symbio™ 400-B
controller serve one or two purposes depending upon the
network: they are always used for the MAC Address, which is
sometimes all or part of the BACnet® Device ID.
Use a 1/8 inch (3.2 mm) flathead screwdriver to set rotary
address dials. Dials rotate in either direction.
Figure 32. Setting rotary address dials
1 2 3
J1 4 - J S T
1 2 3 4 5 6
1 4 13 1 2 11 10 9 8 7 6 5 4
J1 7
J1 6
1 4 Pin AMP
P ho e nix
MAC Address
The MAC Address is required by the RS-485 communication
protocol on which BACnet® operates. A UC400-B/Symbio™
400-B controller can use a MAC Address from 001 to 120.
Important: Each device on the link must have a unique MAC
Address/Device ID. The controller rotary
addresses should be sequentially set, with no
gaps in the numbering, starting with 001 on each
link (for example 001, 002, 003, 004 and so on).
A duplicate address or a 000 address setting will
interrupt communications and cause the Tracer®
SC device installation process to fail.
36
Comm Out
Zone Sensor
Co m m -
Serv Tool
Ad d re s s
Connection
Co m m +
0 0 0 0
G ND
5 5 5 5
24VDC
Auxiliar y 24 V dc
Out p ut
1 3 4
2
3 2 1
J1 8
P ho e nix
Low Coil
Enterin g
Detection
Water
( NC )
Tem p
Condensate
Over ow ( NC )
BACnet® Device ID
The BACnet® Device ID is required by the BACnet® network.
Each device must have a unique number from 001 to 4094302.
Figure 33. BACnet® device ID
BACnet® networks without a Tracer® SC system
Comm In
controller
On BACnet® networks without a Tracer® SC system
controller, the Device ID can be assigned one of two ways:
• It can be the same number as the MAC Address,
determined by the rotary address dials on the
UC400-B/Symbio™ 400-B controller. For example, if the
rotary address dials are set to 042, both the MAC Address
and the BACnet® Device ID are 042.
• It can be soft set using the Tracer® TU service tool. If the
BACnet® Device ID is set using the Tracer® TU service
tool, the rotary address dials only affect the MAC Address,
they do not affect the BACnet® Device ID.
BACnet® networks with a Tracer® SC system
controller
On BACnet® networks with a Tracer® SC system controller,
the Device ID for the UC400-B/Symbio™ 400-B controller is
always soft set by the system controller using the following
scheme illustrated below.
Note: The BACnet® Device ID is displayed as the Software
Device ID on the Tracer® TU Controller Settings
page in the Protocol group.
Figure 34. Example of BACnet® link wiring with
multiple UC400-B/Symbio™ 400-B
controllers
+
Trane
BACnet
Terminator
Tracer SC
1 2 3 4
4 3 2 1 4 3 2 3 2 1 2 3 4 3 2
1 4 1 4 3 2 1 4
24VDC Gnd
24VDC Gnd
BACnet
BACnet BACnet
1 2 3 4 1 2 3 4
IMC
IMC
UC400-B/
UC400-B/
UC400-B/
Symbio™ 400-B
Symbio™ 400-B
Symbio™ 400-B
Zone Sensor Zone Sensor
UV-SVX005G-EN
1 2 3 4
1 4 3 2 1
24VDC Gnd
1 2 3 4
+
IMC
Zone Sensor