Carrier 50TC*D17 Series Installation Instructions Manual page 24

Remote Occupied
Time Clock
Fig. 40 - - PremierLink Wiring Remote Occupied
Refer to Form 33CS- - 58SI for additional information on
configuring the PremierLink control for Door Switch
timer function.
Power Exhaust (output) - - Connect the accessory Power
Exhaust contactor coils(s) per Fig. 41.
Space Relative Humidity Sensor — The RH sensor is not
used with 50TC*D models at this time.
Power Exhaust
PEC TAN
GRA
Fig. 41 - - PremierLink Power Exhaust Output
Connection
CCN Communication Bus — The PremierLink controller
connects to the bus in a daisy chain arrangement.
Negative pins on each component must be connected to
respective negative pins, and likewise, positive pins on
each component must be connected to respective positive
pins. The controller signal pins must be wired to the signal
ground pins. Wiring connections for CCN must be made
at the 3- - pin plug.
At any baud (9600, 19200, 38400 baud), the number of
controllers is limited to 239 devices maximum. Bus length
may not exceed 4000 ft (1219 m), with no more than 60
total devices on any 1000- - ft (305 m) section. Optically
isolated RS- - 485 repeaters are required every 1000 ft
(305 m).
NOTE: Carrier device default is 9600 band.
COMMUNICATION BUS WIRE SPECIFICATIONS —
The CCN Communication Bus wiring is field- - supplied
and field- - installed. It consists of shielded 3- - conductor
cable with drain (ground) wire. The cable selected must
be identical to the CCN Communication Bus wire used for
the entire network.
See Table 7 for recommended cable.
Table 7 – Recommended Cables
MANUFACTURER
Alpha
American
Belden
Columbia
CTB
Thermostat
R
TB1
PL
2 J4-12
C08214
TB1 PL
J8-3
15
CTB
THERMOSTAT
C
C08120
CABLE PART NO.
2413 or 5463
A22503
8772
02525
NOTE: Conductors and drain wire must be at least 20
AWG (American Wire Gage), stranded, and tinned copper.
Individual conductors must be insulated with PVC,
PVC/nylon, vinyl, Teflon,
aluminum/polyester 100% foil shield and an outer jacket
of PVC, PVC/nylon, chrome vinyl, or Teflon with a
minimum operating temperature range of - - 20_C to 60_C
(4_F to 140_F) is required. Do not run communication
wire in the same conduit as or next to any AC voltage
wiring.
The communication bus shields must be tied together at
each system element. If the communication bus is entirely
within one building, the resulting continuous shield must
be connected to ground at only one single point. If the
communication bus cable exits from one building and
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 8 for the recommended color code.
Table 8 – Color Code Recommendations
CCN BUS WIRE
SIGNAL TYPE
COLOR
+
Ground
---
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. 42.
CCN Bus
+ (RED)
GND (WHT)
– (BLK)
Fig. 42 - - PremierLink CCN Bus Connections
24
or polyethylene.
CCN PLUG PIN
NUMBER
Red 1
White 2
Black 3
TB1
PL
12
J2-1
TB1
J2-2
14
TB1
J2-3
16
C08276
An