Connector
Input
Type
Description
J1
G
+24 Vac power supply
G0
Shared
J2
U1
0-10V
Supply air duct pressure sensor or
CO2
air quality measurement sensor
U2
NTC
Temperature sensor (see assignment table below)
U3
NTC
Temperature sensor (see assignment table below)
GND
Shared
J3
U4
NTC
Temperature sensor (see assignment table below)
U5
NTC
Supply air temperature sensor in the additional casing
+Vdc
Power supply to unit internal pressure sensors
+5VR
Not used
GND
Shared
J4
U6
0-10V
Filter differential pressure measurement (see assignment table below)
U7
0-10V
Fan differential pressure measurement (see assignment table below)
+Vdc
Not used
+5VR
Not used
GND
Shared
J5
U8
0-10V
Filter differential pressure measurement (see assignment table below)
U9
0-10V
Fan differential pressure measurement (see assignment table below)
U10
On/off
Setpoint 1 / Setpoint 2 contact
+Vdc
Not used
+5VR
Not used
GND
Shared
J6
GND
Shared
Y1
0-10V
Hydraulic coil 1 valve control or electric heater triac control
Y2
0-10V
Hydraulic coil 2 valve control
Y3
0-10V
Intake fan control
J7
DI1
Pump 1 fault
DI2
Pump 2 fault
DI3
Remote control
DI4
Fire fault
GND
Shared
J8
Not used
J9
Vout
Not used
FBus1 -
Remote display connection in Th-Tune room - Tx/Rx -
FBus1 +
Remote display connection in Th-Tune room - Tx/Rx +
GND
Remote display connection in Th-Tune room - common
J10
Not used
J11
BMS2 -
ModBus RS485 CMS connection - Tx/Rx -
BMS2 +
ModBus RS485 CMS connection - Tx/Rx +
GND
ModBus RS485 CMS connection - shared
J12
Not used
J13
BMS1
Location for KNX, LON, Bacnet IP, Modbus IP, Webserver expansion board
J14
pLAN -
pLAN - Rx/Tx-
pLAN +
pLAN - Rx/Tx+
GND
pLAN - shared
J15
pLAN connector for HMI terminal
J16
NO1
On/off
Pump 1 control contact
NC1
Not used
C1
+24 Vac power supply
J17
Out2
On/off
Supply air and return air dampers
C2
Shared
J18
Out3
On/off
Fresh air and exit dampers
C2
Shared
J19
Out4
On/off
Fresh air rate decrease (mixing damper)
C2
Shared
J20
Out5
On/off
Fresh air rate increase (mixing damper)
C2
Shared
J21
C2
Shared
V-IN
+24 Vac power supply
2 - THE CONTROL PLC
FLOWAY
EN-6