Installation Guide
FCU Controller
12
THERMOSTAT WIRING
DO NOT WIRE ANY THERMOSTAT OTHER THAN THE JCI
THERMOSTATS LISTED
BELOW TO THE STAT+ AND STAT-
TERMINALS ON THE FCU-01 BOARD.
•••••
••••
JCI INTELLIGENT THERMOSTAT
NXT-INT-01
•
JCI TSO THERMOSTAT NXT-TSO-01
THE THERMOSTAT CAN ONLY BE CONNECTED TO STAT+
AND STAT-. ANY OTHER CONNECTIONS WILL DAMAGE THE
THERMOSTAT AND VOID THE WARRANTY.
To connect a thermostat to the FCU-01:
1
. Connect the black wire to the
STAT -
terminal.
2
. Connect the red wire to the
STAT +
terminal.
The Intelligent STAT connections to the FCU-01 are shown in Figure 5 below:
NOTE
:
The Intelligent STAT and TSO STAT are both wired the same.
RED
BLACK
J10
Electronic Systems USA, Inc.
OVERRIDE
*
ROOM/
OUTSIDE
72 ° F
RoomTemp
ST
-
ST+
NET
-
NET+
Figure 5. Thermostat Wiring.