50TCQD
27
enters another building, the shields must be connected to
the grounds at a lightning suppressor in each building (one
point only).
Connecting CCN bus:
NOTE: When connecting the communication bus cable,
a color code system for the entire network is
recommended to simplify installation and checkout. See
Table 7 for the recommended color code.
Table 7 – Color Code Recommendations
SIGNAL TYPE
CCN BUS WIRE
COLOR
CCN PLUG PIN
NUMBER
+ Red 1
Ground White 2
--- Black 3
Connect the CCN (+) lead (typically RED) to the unit’s
TB1--12 terminal. Connect the CCN (ground) lead
(typically WHT) to the unit’s TB1--14 terminal. Connect
the CCN (--) lead (typically BLK) to the unit’s TB1--16
terminal. See Fig. 45.
CCN Bus
J2-1
J2-2
GND (WHT)
12
14
TB1
J2-3
– (BLK)
16
TB1
TB1
PL
+ (RED)
C08276
Fig. 45 -- PremierLink CCN Bus Connections
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