CONTROL SOLUTIONS NTC
Network communication
■■ The NTC communicating con-troller can be connected on
an RS 485 bus, using the Carrier Comfort Network (CCN)
protocol.
■■ Units equipped with the NTC controller can be part of the
Aquasmart Evolution system.
Advanced functions
■■ Low Energy Consumption (LEC) variable speed control.
■■ The NTC controller can drive the fan speed continuously
within a configurable range for optimal thermal and
acoustic comfort.
■■ Hydronic control - The NTC controls both floating and
fixed-point value actuator types (230 V on-off and 230 V
three point).
■■ Demand controller ventilation (DCV) - On fan coils
equipped with CO2 sensors and fresh air dampers,
the NTC controller can adjust the amount of fresh air
admitted to the room, as required by the occupants.
■■ IAQ management - The NTC controller can control all
features related to Indoor Air Quality that are included in
Carrier terminal fan coil units.
Carrier Room Conroller (CRC2)
Simplified User Interface (SUI)
56
Zone User Interface (ZUI)
250
CONTROLS
Infrared Remote Control (IR2) and receiver
190
C
A
R
R
I
E
R
2
0
1
6
/
2
0
1
7
857