Chapter 4 UCM Communication-Link Wiring
48 BMTW-SVN01F-EN
Comm2 Card
This card is used for UCP1 communication. It is the isolated link for use
with UCP1 chillers (CVHE, CVAD, RTHA, and CVHB). These are the
same chillers that previously connected to Tracer 100 series systems
through the system control panel (SCP). The use of an SCP is not
required nor is it supported for Tracer Summit installations. A maximum
of two of these cards per BCU can be used.
Note the color of the card (red), the numbers on the label, and the physi-
cal characteristics of the card as shown in Figure 17.
Figure 17. Comm2 UCM Communication Card
Figure Note:
Trane part number 4020 0905
Card identification tag: 50100756
Service part number: BRD0935
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