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SPACE SENSORS — The PremierLink controller is factory-
shipped configured for Space Sensor Mode. A Carrier T-55 or
T-56 space sensor must be used. T-55 space temperature sensor
provides a signal of space temperature to the PremierLink con-
troller. T-56 provides same space temperature signal plus it al-
lows for adjustment of space temperature setpoints from the
face of the sensor by the occupants.
1
2
3
4
5
6
WHT(GND)
SEN
SW1
BRN (GND)
BLU (SPT)
Fig. 47 — T-55 Space Temperature Sensor Wiring
Connect T-55 — See Fig. 47 for typical T-55 internal connec-
tions. Connect the T-55 SEN terminals to TB1 terminals 1 and
3 (see Fig. 48).
SEN
SEN
Fig. 48 — PremierLink™ Controller T--55 Sensor
Connect T-56 — See Fig. 49 for T-56 internal connections. In-
stall a jumper between SEN and SET terminals as illustrated.
Connect T-56 terminals to TB1 terminals 1, 3 and 5 (see
Fig. 50).
RED(+)
CCN COM
BLK(-)
SENSOR WIRING
TB1
PL
1
J6-7
J6-6
3
1
2
3
4
SEN
SW1
Cool
Fig. 49 — T-56 Internal Connections
SEN
SEN
Jumper
SET
SET
Fig. 50 — PremierLink Controller T-56 Sensor
CONNECT THERMOSTAT — A 7-wire thermostat con-
nection requires a 24-v power source and a common connec-
tion. Use the R and C terminals on the CTBT's THERMO-
STAT connection strip for these. Connect the thermostat's Y1,
Y2, W1, W2 and G terminals to PremierLink TB1 as shown in
Fig. 51.
If the 50TC unit is equipped with factory-installed smoke
detector(s), disconnect the factory BLU lead at TB1-6 (Y2) be-
fore connecting the thermostat. Identify the BLU lead originat-
ing at CTB-DDC-1; disconnect at TB1-6 and tape off. Confirm
that the second BLU lead at TB1-6 remains connected to Pre-
mierLink J4-8.
39
5
6
RED(+)
WHT(GND)
CCN COM
BLK(-)
SET
BLK
(T56)
BRN (GND)
SENSOR WIRING
BLU (SPT)
JUMPER
TERMINALS
AS SHOWN
Warm
TB1
1
TB1
3
5
PL
J6-7
PL
J6-6
J6-5
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