Carrier CCU Controller Bedienungsanleitung Seite 43

● Designation of terminals
EA = Analogue inputs
EL = Logic inputs
SA = Analogue outputs
SL = Logic outputs
TERMINAL
J1
(EA)
J2
(EL)
J3
(EL)
J4
(SA)
J5
(SL)
1
2
3 Supply air limit temperature sensor (10 K Ω)
4 Target relative humidity sensor (0 - 10 V)
5
6 Sensor for controlling the differential pressure on the filter (0-10 V or 0.5 - 4.5 V)
7
1
2
3
4 Electric heater safety thermostat with manual reset
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
1 Critical fault summary common terminal
2 Critical fault summary standby contact
3 Critical fault summary active contact
4 Non-critical fault summary common terminal
5 Non-critical fault summary standby contact
6 Non-critical fault summary active contact.
CCU Controller
Target temperature sensor (10 K Ω)
0 V
0 V
+12 V
Remote control
Fire detection/External safety
Supply air fan operation feedback
Humidifier fault or maintenance
Water leak
Logic input common terminal
Not used
Not used
Not used
Not used
Not used
Summer or winter mode
Logic input common terminal
Hot water coil 3-way valve
0 V
Chilled water coil 3-way valve.
Progressive humidifier
0 V
Variation of the air flow rate
Free cooling damper
0 V
Electric heater (TRIAC)
EN - 5
EN