Carel pRack PR100 User Manual

pRack +040000071 rel. 1.1 - 14.10.2011
11
ENG
2.1 Pre-confi guration 1: RS2
C1
NO1
B5/ID3
T suct
B3
NO2
B6/ID4
C2
F1
NO3
NO4
F2
NO5
T dis
B4
B7/ID5
Psuct
B1
Fig. 2.a
Description
2 reciprocating/ scroll compressors
2 fans
1 generic alarm for each compressor
1 generic alarm for condensers
HP/LP pressostats
pRack compact, PRK100X**
I/O list
Digital outputs
pRack PR100 Compact pRack PR100 S, M, L, XL
NO1 NO1 Compressor 1
NO2 NO2 Compressor 2
NO3 NO3 Fan 1
NO4 NO4 Fan 2
NO5 NO5 Alarms output
Digital inputs
ID1 ID1 Suction HP pressostat
ID2 ID2 Suction LP pressostat
B5 ID3 Generic compressor 1 alarm
B6 ID4 Generic compressor 2 alarm
B7 ID5 Generic condenser alarm
Analog inputs
B1 B1 Suction pressure probe 4...20 mA -0.5..7.0 barg
B3 B3 Suction temperature probe NTC
B4 B4 Discharge temperature probe HTNTC
Tab. 2.b
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 TEMPERATURE
Condenser regulation type Dab01 PROPORTIONAL BAND
Condenser setpoint Dab03 30.0 °C
Condenser diff erential Dab09 2.0 °C
High condenser pressure alarm threshold Dae01 55.0 °C
Low condenser pressure alarm threshold Dae03 5.0 °C
Tab. 2.c

Carel pRack PR100 Specifications

General

Brand	Carel
Model	pRack PR100
Category	Controller
Language	English