Carel pRack PR100 User Manual

pRack +040000071 rel. 1.1 - 14.10.2011
19
ENG
I/O List
Digital outputs
NO1 Compressor 1
NO2 Compressor 2
NO3 Compressor 3
NO4 Compressor 4
NO5 Fan1
NO6 Fan2
NO7 Fan3
NO8 Fan4
NO9 Alarms output
Digital inputs
ID1 Suction HP pressostat
ID2 Suction LP pressostat
ID3 Compressor 1, thermal overload alarm
ID4 Compressor 1, oil alarm
ID5 Compressor 2, thermal overload alarm
ID6 Compressor 2, oil alarm
ID7 Compressor 3, thermal overload alarm
ID8 Compressor 3, oil alarm
ID9 Compressor 4, thermal overload alarm
ID10 Compressor 4, oil alarm
ID11 Common fan overload
Analog inputs
B1 Suction pressure probe 4...20 mA -0.5..7.0 barg
B2 Condensing pressure probe 4...20 mA 0.0..30.0 barg
B3 Suction temperature probe NTC
B4 Discharge temperature probe HTNTC
B5 External temperature probe NTC
Tab. 2.j
Main parameters
Parameter Mask index Value
Suction regulation by Cab01
PRESSURE
Suction regulation type Cab01
NEUTRAL ZONE
Suction setpoint Cab03 3.5,barg
Suction diff erential Cab08 0.3 barg
Compressors rotation type Caf10 FIFO
Refrigerant Caf04 R404A
High suction pressure alarm threshold Cae24 6.0 barg
Low suction pressure alarm threshold Cae26 0.0 barg
Condenser regulation by Dab01
PRESSURE
Condenser regulation type Dab01
PROPORTIONAL BAND
Condenser setpoint Dab03 12.0 barg
Condenser diff erential Dab07 2.0 barg
High condenser pressure alarm threshold Dae01 24.0 barg
Low condenser pressure alarm threshold Dae03 7.0 barg
Tab. 2.k

Carel pRack PR100 Specifications

General

Brand	Carel
Model	pRack PR100
Category	Controller
Language	English