Carel pRack PR100 User Manual

pRack +040000071 rel. 1.1 - 14.10.2011
15
ENG
I/O list
Digital outputs
NO1 Compressor 1
NO2 Compressor 1, unloader
NO3 Compressor 2
NO4 Compressor 2, unloader
NO5 Compressor 3
NO6 Compressor 3, unloader
NO7 Fan
NO8 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 Common fan overload
ID10 Inverter alarm
Analog outputs
Y1 Common condenser inverter
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.f
Main parameters
Parameter Mask index Value
Suction regulation by Cab01 PRESSURE
Suction regulation type Cab03 NEUTRAL ZONE
Suction setpoint Cab08 3.5,barg
Suction diff erential Caf10 0.3 barg
Compressors rotation type Caf04 FIFO
Refrigerant Cae24 R404A
High suction pressure alarm threshold Cae26 6.0 barg
Low suction pressure alarm threshold Cab01 0.0 barg
Condenser regulation by Dab01 PRESSURE
Condenser regulation type Dab03 PROPORTIONAL BAND
Condenser setpoint Dab07 12.0 barg
Condenser diff erential Dae01 2.0 barg
High condenser pressure alarm threshold Dae03 24.0 barg
Low condenser pressure alarm threshold Cab01 7.0 barg
Tab. 2.g

Carel pRack PR100 Specifications

General

Brand	Carel
Model	pRack PR100
Category	Controller
Language	English