Carrier CCU Mode D'emploi page 45

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  • FRANÇAIS, page 1
2 - COMPOSITION
■ 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
4
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
5
6
7
1
2
3
4
6
7
1
2
3
4
5
6
7
8
9
1
2
Standby contact if P206=0 (or active if P206=1) in the summary of major faults
3
Active contact if P206=0 (or standby if P206=1) in the summary of major faults
4
5
Standby contact if P205=0 (or standby if P205=1) in the summary of minor faults
6
Active contact if P205=0 (or standby if P205=1) in the summary of minor faults
CCU Controller
Target temperature sensor (10 K Ω)
0 V
Supply air limit temperature sensor (10 K Ω)
Target relative humidity sensor (0 - 10 V)
0 V
+12 V
Remote control 
Fire detection/External safety
Supply air fan operation feedback 
Electric heater safety thermostat with manual reset
Humidifier fault or maintenance
Water leak
Logic input common terminal
Summary of condensation unit circuit 1 faults
Temperature setpoint shift
Summary of condensation unit circuit 2 faults
Hot water coil or electric heater
Summer or winter mode
Logic input common terminal 
Hot water coil three-way valve
0 V
Chilled water coil or mixed coil three-way valve
Progressive humidifier
0 V
Variation of the air flow rate
Free cooling damper
0 V
Electric heater (TRIAC)
Critical fault summary common terminal
Non-critical fault summary common terminal
45

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