Carel pCO Series Application Program

Carel srl: pCO Stage Controller
page 32
APPENDIX C: EXAMPLES OF APPLIANCES
This versatile instrument can be differently programmed according to the characteristics of the plant to be managed.
For this reason here the connection diagrams of some appliances are shown.
Refrigerator unit consisting of:
•
5 compressors
•
5 fans
•
1 compressor inverter
•
2 pressure probes
ID11R ID11 ID12R ID12
J21
NO12 C12 NO5 C5
J6
NO4 C4 NO3 C3 NO2 C2 NO1 C1
J5
ID1 ID2 ID3 ID4
J4
ID5 IDCM1 ID6 ID7 ID8 ID9
J3
ID10 IDCM2
B1 AVSS B2 B3
J2
AVSS B4 B5 AVSS B6
J1
+24V
BCP1
24V~
BCP2 BCP3 BCP4 BCP5 BF5 BF4 BF3 BF2
BF1
220V~
LP
HP
FAN1 CMP5 CMP4 CMP3 CMP2 CMP1
F
N
K K K K KK
PP1 PP2
POWER SUPPLY
ANALOG INPUTS
DIGITAL OUTPUTS
DIGITAL INPUTS
GG0
J17
VG0 VG1 Y1 Y0
J20
24V~ CINV
NO11 C11 NO10 C10
J22
NO9 C9 NO8 C8 NC7 C7
J24
NO6 C6
AL FAN2 FAN3 FAN4 FAN5
F
N
KK K K
ANALOG OUTPUTS
AND
INPUTS OUTPUTS
BCP compressor lock device AL general alarm
BF fan lock device CMP compressor
HP general high pressure switch FAN fan
LP general how pressure switch CINV compressor inverter (output 0÷10 volts / valve)
PP pressure probe
F Phase N neuter

Carel pCO Series Specifications

General

Connectivity	RS-485, Ethernet
Display	LCD
Input/Output	Configurable
Power Supply	24 VAC/DC
Type	Programmable Controller
Analog Outputs	Up to 4
Serial Communication	RS-485
Protocols	Modbus
Input Voltage	24 VAC/DC
Protection Rating	IP20
Communication	RS-485, Ethernet
Relay Outputs	Up to 8