Installation Controls
This section covers information pertaining to the UC800
controller hardware. For information about the AdaptiV-
iew display, which is used to interface with the internal
chiller data and functions provided by the UC800, refer
to CTV-SVU01C-EN, Tracer AdaptiView™ Display for Wa-
ter-Cooled CenTraVac™ Chillers Operations Guide, or the
most recent version.
Specifications
Power Supply
The UC800 (1A22) receives 24 Vac (210 mA) power from
the 1A1 power supply located in the chiller control panel.
Wiring and Port Descriptions
illustrates the ports, LEDs, rotary switches, and
wiring terminations on the UC800 enclosure. The num-
bered list below
corresponds to the numbered
callouts in the illustration.
Figure 17. Wiring locations and connection ports
LINK
+
+
+
24
VDC
+
MBUS
6
Front View
Bottom View
7
8
9
6
1
10
11
2
3
4
5
1. Rotary Switches for setting BACnet MAC address or Modbus ID.
2. LINK for BACnet MS/TP, or Modbus Slave (two terminals, +/-)
Field wired if used.
3. LINK for BACnet MS/TP, or Modbus Slave (two terminals, +/-)
Field wired if used.
4. Machine bus for existing machine LLIDS (IPC3 Tracer™ bus
19.200 baud).
5. Power (210 mA at 24 Vdc) and ground terminations (same bus
as item 4) Factory wired.
6. Not used.
7. Marquee LED power and UC800 Status indicator (
8. Status LEDs for the BAS link, MBus link, and IMC link.
9. USB device type B connection for the service tool (Tracer TU).
10. Ethernet connection for the Tracer AdaptiView display (protocol
10/100).
11. USB Host (not used).
RELEASED 10/Mar/2020 06:59:20 GMT