PL-C1050-FCU (Fan Coil Unit Controller with two-pipe system)
Occupancy
M2000-RTU
M2000-HP
M2000-HYD
C1050-RTU
C1050-HP
Outside temperature
Two Pipe Temperature
NC2000
Occupancy (optional)
Outside temperature (optional)
Two Pipe Temperature (optional)
DO1
DO2
DO3
DO4
AO
DO124V DO2 DO3 DO4 AO HBEAT S TAT
NETREC NETSND INTREC INTSND
UI1
UI2
COM
UI3
DI
-
24VAC
COM
INT
+
B
NET
A
RS485
NET
RS485
INT
NET Port: Incoming RS485 network communication (Modbus)
DI - Alarm / Proof of fan
AI3 - Supply air temperature
Common for all the inputs
AI2 - Pipe water temperature / Changeover
AO1 - Modulating reheat
ON/OFF Valve
Power source of the controller (24 VAC)
DO4 - Reheat (ON/OFF, pulsed)
DO3 - Valve (ON/OFF)
AO1 - Modulating valve
Modulating Valve
DO4 - Reheat (ON/OFF, pulsed)
DO3 - N/A
DO2 - Fan speed 2
DO1 - Fan speed 1
AI1 - Outside air temperature
INT Port: Incoming Modbus RS485 communication from
digital sensor -OR- Remote computer with Prolon Focus Software
Power Supply to digital sensor (24VAC)
4-20
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